# Meteorological Journal, Kept at the Apartments of the Royal Society, by Order of the President and Council

**Author(s):** Anonymous  
**Year:** 1816  
**Journal:** Philosophical Transactions of the Royal Society of London  
**Volume:** 106  
**Pages:** 27 pages  
**Identifier:** jstor-107523  
**JSTOR URL:** <https://www.jstor.org/stable/107523>  

---

METEOROLOGICAL JOURNAL,

KEPT AT THE APARTMENTS

OF THE

ROYAL SOCIETY,

BY ORDER OF THE

PRESIDENT AND COUNCIL.

MDCCCXVI.
## METEOROLOGICAL JOURNAL

for January, 1815.

| Time | Therm. without. | Therm. within. | Barom. Inches | Hygro-meter. | Winds Points | Winds Str. | Weather |
|------|----------------|----------------|---------------|--------------|-------------|------------|---------|
| Jan. |                |                |               |              |             |            |         |
| 1    | 8 o           | 36             | 47            | 30.20        | W           | Hazy.      |
| 2    | 8 o           | 41             | 48            | 30.29        | NW          | Fine.      |
| 3    | 8 o           | 35             | 46            | 30.46        | N           | Foggy.     |
| 3    | 8 o           | 36             | 48            | 30.47        | NE          | Cloudy.    |
| 3    | 8 o           | 33             | 47            | 30.45        | E           | Cloudy.    |
| 3    | 8 o           | 35             | 50            | 30.37        | N           | Cloudy.    |
| 4    | 8 o           | 32             | 45            | 30.21        | E           | Cloudy.    |
| 3    | 8 o           | 34             | 47            | 30.16        | NE          | Cloudy.    |
| 5    | 8 o           | 31             | 43            | 30.10        | N           | Cloudy.    |
| 3    | 8 o           | 34             | 47            | 30.11        | NE          | Fine.      |
| 6    | 8 o           | 32             | 43            | 30.07        | NW          | Cloudy.    |
| 3    | 8 o           | 35             | 47            | 30.07        | E           | Cloudy.    |
| 7    | 8 o           | 29             | 43            | 30.01        | E           | Cloudy.    |
| 8    | 8 o           | 34             | 44            | 29.83        | W           | Cloudy.    |
| 8    | 8 o           | 33             | 42            | 29.51        | W           | Cloudy.    |
| 9    | 8 o           | 35             | 43            | 29.57        | NW          | Fine.      |
| 9    | 8 o           | 27             | 41            | 30.05        | W           | Hazy.      |
| 10   | 8 o           | 35             | 46            | 30.02        | W           | Fine.      |
| 10   | 8 o           | 41             | 44            | 29.78        | NNW         | Cloudy.    |
| 11   | 8 o           | 38             | 46            | 29.71        | W           | Cloudy.    |
| 11   | 8 o           | 39             | 50            | 29.56        | W           | Fine.      |
| 12   | 8 o           | 35             | 45            | 29.64        | W           | Fine.      |
| 12   | 8 o           | 38             | 49            | 29.99        | NW          | Hazy.      |
| 13   | 8 o           | 28             | 44            | 30.18        | W           | Hazy.      |
| 13   | 8 o           | 37             | 49            | 30.08        | S           | Rain.      |
| 14   | 8 o           | 38             | 46            | 29.82        | N           | Rain.      |
| 15   | 8 o           | 43             | 50            | 29.82        | N           | Cloudy.    |
| 15   | 8 o           | 34             | 47            | 30.19        | SE          | Hazy.      |
| 16   | 8 o           | 34             | 45            | 30.27        | E           | Cloudy.    |
| 16   | 8 o           | 31             | 43            | 30.33        | N           | Hazy.      |
| 3    | 8 o           | 34             | 47            | 30.27        | W           | Cloudy.    |
## METEOROLOGICAL JOURNAL

for January, 1815.

| Time | Therm. without | Therm. within | Barom. Inches | Hygro-meter | Winds Points | Winds Str. | Weather |
|------|----------------|---------------|---------------|-------------|--------------|------------|----------|
| H. M. | °              | °             | Inches        |             |              |            |          |
| Jan. 17 | 8 o 36       | 45           | 30.28         | 74          | N            | I          | Cloudy.  |
|       | 3 o 38       | 50           | 30.31         | 68          | N            | I          | Cloudy.  |
| 18    | 8 o 32       | 44           | 30.18         | 67          | N            | I          | Fine.    |
|       | 3 o 35       | 47           | 30.13         | 70          | N            | I          | Snow.    |
| 19    | 8 o 29       | 43           | 30.02         | 73          | N            | I          | Cloudy.  |
|       | 3 o 32       | 48           | 29.90         | 70          | N            | I          | Fine.    |
| 20    | 8 o 30       | 42           | 29.70         | 73          | N            | I          | Fine.    |
|       | 3 o 27       | 45           | 29.81         | 69          | N            | I          | Cloudy.  |
| 21    | 8 o 30       | 42           | 29.81         | 74          | E            | N          | Cloudy.  |
|       | 3 o 32       | 46           | 29.81         | 73          | N            | I          | Snow.    |
| 22    | 8 o 30       | 42           | 29.83         | 74          | NE           | I          | Snow.    |
|       | 3 o 33       | 40           | 29.83         | 74          | N            | I          | Snow.    |
| 23    | 8 o 30       | 40           | 29.88         | 75          | N            | I          | Cloudy.  |
|       | 3 o 33       | 41           | 29.88         | 71          | W            | I          | Cloudy.  |
| 24    | 8 o 22       | 39           | 29.78         | 73          | W            | I          | Cloudy.  |
|       | 3 o 29       | 43           | 29.64         | 73          | I            | Thick fog. |
| 25    | 8 o 27       | 40           | 29.64         | 73          | E            | I          | Cloudy.  |
|       | 3 o 29       | 44           | 29.62         | 73          | E            | I          | Cloudy.  |
| 26    | 8 o 29       | 40           | 29.47         | 74          | NE           | I          | Snow.    |
|       | 3 o 34       | 46           | 29.31         | 73          | NW           | I          | Cloudy.  |
| 27    | 8 o 28       | 41           | 29.00         | 71          | Rain this Month 0.435 Inches | E | 2 | Snow. |
|       | 3 o 32       | 45           | 28.95         | 75          | E            | I          | Cloudy.  |
| 28    | 8 o 35       | 42           | 28.94         | 78          | E            | I          | Fine.    |
|       | 3 o 38       | 49           | 29.01         | 72          | E            | I          | Cloudy.  |
| 29    | 8 o 45       | 44           | 29.11         | 75          | SSE          | I          | Cloudy.  |
|       | 3 o 40       | 44           | 29.19         | 74          | SE           | I          | Cloudy.  |
| 30    | 8 o 36       | 43           | 29.27         | 77          | E            | I          | Cloudy.  |
|       | 3 o 39       | 47           | 29.27         | 72          | E            | I          | Thick and cloudy. |
| 31    | 8 o 39       | 49           | 29.36         | 78          | E            | I          | Thick and cloudy. |
|       | 3 o 43       | 50           | 29.38         | 78          | E            | I          | Cloudy.  |
## METEOROLOGICAL JOURNAL

for February, 1815.

| Time | Therm. without | Therm. within | Barom. Inches | Hygro-meter | Winds Points | Str. | Weather |
|------|----------------|---------------|---------------|-------------|--------------|-----|---------|
| Feb. |                |               |               |             |              |     |         |
| 1    | 8 o           | 44            | 48            | 29.38       | S            | I   | Cloudy. |
|      | 3 o           | 45            | 52            | 29.40       | S            | I   | Cloudy. |
|      | 8 o           | 40            | 48            | 29.52       | E            | I   | Cloudy. |
|      | 3 o           | 44            | 54            | 29.57       | E            | I   | Hazy.   |
|      | 8 o           | 40            | 51            | 29.68       | E            | I   | Cloudy. |
|      | 3 o           | 44            | 54            | 29.65       | S            | I   | Cloudy. |
|      | 8 o           | 40            | 50            | 29.57       | W            | I   | Cloudy. |
|      | 3 o           | 49            | 54            | 29.51       | W            | I   | Cloudy. |
|      | 8 o           | 44            | 51            | 29.90       | W            | I   | Fine.   |
|      | 3 o           | 47            | 52            | 29.97       | W            | I   | Fine.   |
|      | 8 o           | 44            | 52            | 29.81       | S            | I   | Cloudy. |
|      | 3 o           | 45            | 56            | 29.69       | SSE          | I   | Cloudy. |
|      | 8 o           | 45            | 52            | 29.59       | S            | I   | Cloudy. |
|      | 3 o           | 49            | 56            | 29.71       | W            | I   | Cloudy. |
|      | 8 o           | 44            | 53            | 29.80       | S            | I   | Cloudy. |
|      | 3 o           | 47            | 56            | 29.69       | S            | I   | Cloudy. |
|      | 8 o           | 40            | 54            | 29.71       | W            | I   | Cloudy. |
|      | 3 o           | 44            | 55            | 29.74       | SE           | I   | Cloudy. |
|      | 8 o           | 39            | 55            | 29.69       | E            | I   | Cloudy. |
|      | 3 o           | 42            | 55            | 29.65       | W            | I   | Rain.   |
|      | 8 o           | 45            | 54            | 29.51       | E            | I   | Cloudy. |
|      | 3 o           | 47            | 56            | 29.44       | S            | I   | Cloudy. |
|      | 8 o           | 47            | 53            | 29.46       | SW           | I   | Cloudy. |
|      | 3 o           | 48            | 53            | 29.44       | W            | I   | Showery.|
|      | 8 o           | 47            | 53            | 29.46       | S            | I   | Cloudy. |
|      | 3 o           | 49            | 57            | 29.57       | W            | I   | Fine.   |
|      | 8 o           | 40            | 54            | 29.56       | E            | I   | Hazy.   |
|      | 3 o           | 48            | 57            | 29.53       | E            | I   | Cloudy. |
|      | 8 o           | 41            | 51            | 29.70       | W            | I   | Cloudy. |
|      | 3 o           | 49            | 57            | 29.73       | S            | I   | Cloudy. |
|      | 8 o           | 48            | 55            | 29.64       | SW           | I   | Rain.   |
|      | 3 o           | 51            | 57            | 29.54       | W            | I,2 | Cloudy. |
## METEOROLOGICAL JOURNAL

for February, 1815.

| Year | Time | Therm. without | Therm. within | Barom. Inches | Hygro-meter | Winds Points | Str. | Weather |
|------|------|----------------|--------------|---------------|-------------|-------------|-----|---------|
| 1815 | Feb. 17 | 8 o | 45 | 56 | 29.57 | 73 | W | I | Cloudy. |
|      |       | 3 o | 48 | 58 | 29.71 | 71 | W | I | Cloudy. |
|      |       | 8 o | 45 | 53 | 29.84 | 73 | W | I | Cloudy. |
|      |       | 3 o | 45 | 55 | 29.81 | 69 | SW | I | Cloudy. |
|      |       | 8 o | 45 | 53 | 30.26 | 75 | W | I | Cloudy. |
|      |       | 3 o | 48 | 53 | 30.20 | 70 | W | I | Cloudy. |
|      |       | 8 o | 47 | 53 | 29.77 | 74 | SW | I | Cloudy. |
|      |       | 3 o | 48 | 56 | 29.70 | 71 | W | I | Fine. |
|      |       | 8 o | 50 | 55 | 29.89 | 76 | W | 2 | Cloudy. |
|      |       | 3 o | 54 | 57 | 30.04 | 72 | W | I | Cloudy. |
|      |       | 8 o | 48 | 53 | 30.20 | 73 | W | I | Cloudy. |
|      |       | 3 o | 53 | 57 | 30.25 | 71 | W | I | Cloudy. |
|      |       | 8 o | 43 | 53 | 30.25 | 72 | W | I | Fine. |
|      |       | 3 o | 38 | 58 | 30.24 | 70 | SW | I | Fine. |
|      |       | 8 o | 46 | 56 | 30.09 | 71 | SW | I | Cloudy. |
|      |       | 3 o | 50 | 58 | 30.06 | 68 | W | I | Fine. |
|      |       | 8 o | 47 | 55 | 30.04 | 74 | W | I | Cloudy. |
|      |       | 3 o | 49 | 58 | 30.05 | 71 | SW | I | Cloudy. |
|      |       | 8 o | 48 | 53 | 29.99 | 70 | NE | 1,2 | Cloudy. |
|      |       | 3 o | 48 | 55 | 30.10 | 72 | NW | I | Rain. |
|      |       | 8 o | 38 | 50 | 30.43 | 71 | W | I | Hazy. |
|      |       | 3 o | 46 | 57 | 30.51 | 63 | W | I | Fine. |
|      |       | 8 o | 36 | 50 | 30.49 | 71 | W | I | Foggy. |
|      |       | 3 o | 43 | 58 | 30.41 | 65 | E | I | Fine. |

Rain this Month 0.675 Inches.
## METEOROLOGICAL JOURNAL

for March, 1815.

| Time | Therm. without | Therm. within | Barom. Inches | Hygro-meter | Winds Points | Str. | Weather |
|------|----------------|---------------|---------------|-------------|--------------|-----|---------|
| Mar. 1 | 8 o | 49 | 52 | 29.21 | E | 1 | Hazy. |
|      | 3 o | 49 | 59 | 29.95 | S | 1 | Fine. |
|      | 2 o | 40 | 55 | 30.26 | SW | 1 | Cloudy. |
|      | 3 o | 45 | 58 | 30.30 | N by E | 1 | Rain. |
|      | 8 o | 39 | 51 | 30.25 | W | 1 | Cloudy. |
|      | 4 o | 48 | 58 | 30.26 | S | 1 | Cloudy. |
|      | 3 o | 45 | 53 | 30.27 | SW | 1 | Cloudy. |
|      | 3 o | 50 | 57 | 30.28 | SW | 1 | Cloudy. |
|      | 5 o | 46 | 54 | 30.19 | SW | 1 | Cloudy. |
|      | 3 o | 51 | 55 | 30.16 | SW | 1 | Cloudy. |
|      | 6 o | 42 | 54 | 30.23 | W | 1 | Cloudy. |
|      | 3 o | 50 | 60 | 30.20 | S | 1 | Fine. |
|      | 7 o | 46 | 54 | 29.96 | SW | 1 | Cloudy. |
|      | 3 o | 49 | 57 | 29.85 | SW | 1 | Rain. [night. |
|      | 8 o | 46 | 55 | 29.41 | W | 2 | Rain. Gale of wind in the |
|      | 3 o | 48 | 57 | 29.40 | W | 1 | Rain. |
|      | 9 o | 39 | 48 | 29.54 | SW | 1 | Cloudy. |
|      | 3 o | 45 | 56 | 29.48 | NW | 1 | Cloudy. |
|      | 10 o | 37 | 52 | 29.19 | W | 1 | Cloudy. |
|      | 3 o | 42 | 54 | 29.29 | W | 1 | Cloudy. |
|      | 11 o | 34 | 49 | 29.38 | WNW | 1 | Cloudy. |
|      | 3 o | 44 | 57 | 29.49 | S | 1 | Fine. |
|      | 12 o | 38 | 49 | 29.54 | SSW | 1 | Cloudy. |
|      | 3 o | 48 | 55 | 29.18 | W | 1 | Rain. |
|      | 13 o | 42 | 50 | 28.92 | W | 2,3 | Cloudy. |
|      | 3 o | 47 | 54 | 28.90 | W | 1,2 | Cloudy. |
|      | 14 o | 40 | 49 | 29.53 | W | 1 | Cloudy. |
|      | 3 o | 45 | 55 | 29.75 | NNE | 1 | Cloudy. |
|      | 15 o | 39 | 49 | 30.01 | W | 1 | Cloudy. |
|      | 3 o | 50 | 55 | 29.90 | W | 1 | Fine. |
|      | 16 o | 52 | 54 | 29.72 | W | 2 | Rain. |
|      | 3 o | 54 | 58 | 29.86 | NNW | 1 | Cloudy. |

Rain this Month 1,3250 Inches.
## METEOROLOGICAL JOURNAL

for March, 1815.

| Time | Therm. without | Therm. within | Barom. Inches | Hygro-meter | Winds | Weather |
|------|----------------|---------------|---------------|-------------|-------|---------|
|      | H. M.          |               |               |             | Points | Str.    |
| Mar.17 | 8 o 46        | 55            | 29.97         | 73          | W     | I       |
|       | 3 o 51        | 58            | 30.03         | 59          | NNW   | I       |
| 18    | 8 o 47        | 53            | 30.95         | 70          | NW    | I       |
|       | 3 o 52        | 57            | 30.07         | 66          | NW    | I       |
| 19    | 8 o 50        | 55            | 29.96         | 78          | W     | I       |
|       | 3 o 55        | 55            | 29.95         | 66          | N     | I       |
| 20    | 8 o 49        | 55            | 29.97         | 74          | W by N| I       |
|       | 3 o 55        | 59            | 29.96         | 66          | SW    | I       |
| 21    | 8 o 49        | 55            | 29.82         | 72          | W     | I       |
|       | 3 o 53        | 57            | 29.72         | 68          | S     | I       |
| 22    | 8 o 49        | 55            | 29.65         | 73          | SW    | 1,2     |
|       | 3 o 54        | 59            | 29.57         | 70          | SW    | I       |
| 23    | 8 o 52        | 56            | 29.37         | 73          | W     | I       |
|       | 3 o 52        | 59            | 29.24         | 60          | W by N| 2       |
| 24    | 8 o 46        | 53            | 29.49         | 68          | W     | I       |
|       | 3 o 51        | 57            | 29.48         | 71          | W     | 1,2,3   |
| 25    | 8 o 44        | 54            | 29.31         | 71          | S     | I       |
|       | 3 o 48        | 56            | 29.46         | 65          | W     | I       |
| 26    | 8 o 42        | 49            | 29.77         | 68          | SW    | I       |
|       | 3 o 47        | 55            | 29.71         | 70          | SSW   | 2       |
| 27    | 8 o 48        | 52            | 29.51         | 75          | SW    | 2,3     |
|       | 3 o 53        | 56            | 29.49         | 72          | SW    | I       |
| 28    | 8 o 52        | 54            | 29.56         | 73          | W     | 2       |
|       | 3 o 55        | 58            | 29.83         | 58          | NW    | I       |
| 29    | 8 o 49        | 54            | 30.03         | 70          | S by E| I       |
|       | 3 o 58        | 62            | 29.93         | 63          | S     | 1,2     |
| 30    | 8 o 48        | 56            | 30.01         | 74          | W     | I       |
|       | 3 o 55        | 59            | 29.97         | 70          | WSW   | I       |
| 31    | 8 o 47        | 55            | 29.95         | 74          | E     | I       |
|       | 3 o 63        | 63            | 29.89         | 58          | E     | I       |

Rain this Month 13259 Inches.

Cloudy.
Fine.
Cloudy.
Cloudy.
Cloudy.
Cloudy.
Cloudy.
Cloudy.
Cloudy.
Cloudy.
Cloudy.
Cloudy.
Cloudy.
Cloudy.
Cloudy.
Cloudy.
Cloudy.
Cloudy.
Cloudy and squally.
Cloudy and squally.
Rain.
Cloudy.
Cloudy.
Cloudy.
Cloudy.
Cloudy.
Hazy.
Fair.
## METEOROLOGICAL JOURNAL

for April, 1815.

| Time | Therm. without | Therm. within | Barom. Inches | Hygro-meter | Winds Points | Str. | Weather |
|------|----------------|---------------|---------------|-------------|--------------|-----|---------|
| H. M. | °               | °             | Inches        |             |              |     |         |
| April 1 | 7 30 | 55 | 59 | 29.72 | 70 | ENE | I | Fair. |
|       | 3 0 | 63 | 67 | 29.67 | 56 | S   | 2 | Fair. |
|       | 2 7 30 | 54 | 60 | 29.81 | 70 | W   | I | Cloudy. |
|       | 3 0 | 58 | 64 | 29.90 | 60 | W   | I | Fine. |
|       | 3 7 30 | 49 | 57 | 29.86 | 70 | W   | I | Hazy. |
|       | 3 0 | 54 | 62 | 29.88 | 60 | NW  | I | Fine. |
|       | 4 7 30 | 43 | 57 | 29.98 | 69 | SW  | I | Fine. |
|       | 3 0 | 57 | 60 | 29.96 | 58 | W   | I | Cloudy. |
|       | 5 7 30 | 42 | 55 | 30.24 | 66 | NW  | I | Cloudy. |
|       | 3 0 | 54 | 58 | 30.27 | 60 | NW  | I | Fine. |
|       | 6 7 30 | 48 | 53 | 30.22 | 70 | NW  | I | Fine. |
|       | 3 0 | 59 | 62 | 30.19 | 65 | W   | I | Cloudy. |
|       | 7 7 30 | 55 | 57 | 30.15 | 73 | S   | I | Fine. |
|       | 3 0 | 60 | 65 | 30.07 | 61 | E   | I | Fair. |
|       | 8 7 30 | 51 | 57 | 30.01 | 72 | E   | I | Cloudy. |
|       | 3 0 | 56 | 62 | 29.94 | 64 | E   | I | Fine. |
|       | 9 7 30 | 52 | 56 | 29.88 | 69 | E   | I | Cloudy. |
|       | 3 0 | 56 | 59 | 29.88 | 68 | E   | I | Cloudy. |
|       | 10 7 30 | 46 | 56 | 29.91 | 76 | NE  | I | Rain. |
|       | 3 0 | 53 | 57 | 29.92 | 79 | ESE | I | Cloudy. |
|       | 11 7 0 | 50 | 57 | 30.00 | 77 | SW  | I | Cloudy. |
|       | 3 0 | 59 | 61 | 30.00 | 65 | S   | I | Fine. |
|       | 12 7 0 | 53 | 57 | 29.97 | 73 | NE  | I | Hazy. |
|       | 3 0 | 60 | 60 | 29.91 | 64 | E   | I | Cloudy. |
|       | 13 7 0 | 48 | 55 | 29.86 | 72 | W   | I | Hazy. |
|       | 3 0 | 56 | 59 | 29.69 | 68 | W   | I | Rain and thunder. |
|       | 14 7 0 | 42 | 51 | 29.67 | 68 | N   | I | Cloudy. |
|       | 3 0 | 47 | 52 | 29.87 | 65 | NNE | I | Cloudy. |
|       | 15 7 0 | 41 | 52 | 30.07 | 65 | NE  | I | Cloudy. |
|       | 3 0 | 45 | 54 | 30.11 | 60 | N   | I | Cloudy. |
|       | 16 7 0 | 40 | 51 | 30.16 | 64 | N   | I | Cloudy. |
|       | 3 0 | 49 | 53 | 30.15 | 56 | N   | I | Cloudy. |

Rain this Month 1660 Inches.
## METEOROLOGICAL JOURNAL

for April 1815.

| Time | Therm. without | Therm. within | Barom. Inches | Hygro-meter | Winds Points | Str. | Weather |
|------|----------------|---------------|--------------|-------------|--------------|-----|---------|
| Apr. 17 | 7 o | 43 | 50 | 30.17 | N | Fine. |
|       | 3 o | 48 | 53 | 30.19 | NE | Cloudy. |
| 18    | 7 o | 40 | 50 | 30.32 | N | Fine, rather hazy. |
|       | 3 o | 50 | 54 | 30.31 | NNE | Cloudy. |
| 19    | 7 o | 42 | 50 | 30.26 | NNE | Fine. |
|       | 3 o | 50 | 53 | 30.13 | N | Cloudy. |
| 20    | 7 o | 45 | 51 | 29.92 | N | Cloudy. |
|       | 3 o | 50 | 55 | 29.81 | N | Cloudy. |
| 21    | 7 o | 43 | 52 | 29.35 | S | Cloudy. |
|       | 3 o | 45 | 55 | 28.92 | E | Rain. |
| 22    | 7 o | 43 | 51 | 28.78 | E | Cloudy. |
|       | 3 o | 45 | 54 | 28.92 | N | Cloudy. |
| 23    | 7 o | 45 | 51 | 29.11 | Variable | Cloudy. |
|       | 3 o | 45 | 52 | 29.22 | N | Rain. |
| 24    | 7 o | 42 | 50 | 29.30 | NE | Cloudy. |
|       | 3 o | 47 | 53 | 29.50 | N | Cloudy. |
| 25    | 7 o | 40 | 50 | 29.68 | WNW | Fine. |
|       | 3 o | 48 | 54 | 29.71 | NE | Cloudy. |
| 26    | 7 o | 46 | 52 | 29.94 | E | Cloudy. |
|       | 3 o | 50 | 58 | 30.09 | E | Fine. |
| 27    | 7 o | 45 | 52 | 30.13 | NE | Cloudy. |
|       | 3 o | 54 | 56 | 30.07 | E | Cloudy. |
| 28    | 7 o | 49 | 55 | 30.60 | N | Cloudy. |
|       | 3 o | 58 | 60 | 29.91 | NE | Cloudy. |
| 29    | 7 o | 49 | 55 | 29.73 | Variable | Cloudy. |
|       | 3 o | 50 | 57 | 29.70 | E | Cloudy. |
| 30    | 7 o | 46 | 54 | 29.59 | E | Cloudy. |
|       | 3 o | 50 | 54 | 29.58 | E | Rain. |

MDCCCXVI.
## METEOROLOGICAL JOURNAL

for May, 1815.

| Time | Therm. without. | Therm. within. | Barom. | Hygro- meter. | Winds. | Weather. |
|------|----------------|----------------|--------|--------------|--------|----------|
| H. M. |                |                | Inches.|              | Points.| Str.     |
|      |                |                |        |              |        |          |
| May 1 | 7 o           | 51             | 55     | 29.71        | E      | Fine.    |
|      | 3 o           | 60             | 60     | 29.72        | E      | Cloudy.  |
|      | 2 o           | 55             | 56     | 29.74        | E      | Fine.    |
|      | 3 o           | 60             | 59     | 29.75        | E      | [distance] |
|      | 3 o           | 51             | 56     | 29.78        | NE     | Cloudy, much thunder at a distance. |
|      | 3 o           | 64             | 60     | 29.73        | E      | Cloudy.  |
|      | 4 o           | 50             | 57     | 29.77        | NE     | Fine.    |
|      | 3 o           | 60             | 61     | 29.74        | NE     | Cloudy.  |
|      | 5 o           | 53             | 59     | 29.75        | W      | Rain, and thunder at a distance. |
|      | 3 o           | 60             | 61     | 29.75        | W      | Fine.    |
|      | 6 o           | 50             | 58     | 29.78        | W      | Thick and cloudy. |
|      | 3 o           | 61             | 61     | 29.78        | SW     | Fine.    |
|      | 7 o           | 50             | 59     | 29.76        | S      | Cloudy.  |
|      | 3 o           | 62             | 60     | 29.75        | SW     | Cloudy.  |
|      | 8 o           | 54             | 59     | 29.75        | S      | Cloudy.  |
|      | 3 o           | 62             | 64     | 29.74        | SW     | Cloudy.  |
|      | 9 o           | 53             | 59     | 29.88        | W      | Cloudy.  |
|      | 3 o           | 62             | 62     | 29.96        | NE     | Cloudy.  |
|      | 10 o          | 53             | 59     | 30.00        | SW     | Rain.    |
|      | 3 o           | 62             | 61     | 29.98        | SW     | Cloudy.  |
|      | 11 o          | 57             | 59     | 29.91        | SW     | Fine.    |
|      | 3 o           | 66             | 65     | 29.82        | S      | Fine.    |
|      | 12 o          | 56             | 60     | 29.63        | W      | 2 Cloudy. |
|      | 3 o           | 62             | 62     | 29.68        | SW     | 2 Cloudy. |
|      | 13 o          | 55             | 60     | 29.75        | S      | 1,2 Cloudy. |
|      | 3 o           | 62             | 65     | 29.73        | SW     | Fine.    |
|      | 14 o          | 51             | 59     | 29.83        | W      | Fine.    |
|      | 3 o           | 60             | 62     | 29.88        | W      | 1,2 Fine. |
|      | 15 o          | 53             | 58     | 29.87        | S      | 1 Cloudy. |
|      | 3 o           | 61             | 60     | 29.83        | S      | 1,2 Cloudy. |
|      | 16 o          | 50             | 58     | 30.01        | SW     | Fine.    |
|      | 3 o           | 61             | 62     | 30.11        | W      | Cloudy.  |
## METEOROLOGICAL JOURNAL

for May, 1815.

| Time. | Therm. without. | Therm. within. | Barom. Inches. | Hygro-meter. | Winds. Points. | Str. | Weather. |
|-------|-----------------|----------------|---------------|--------------|---------------|-----|----------|
| H., M. | °               | °              |               |              |               |     |          |
| May 17 |                 |                |               |              |               |     |          |
| 7 o   | 53              | 58             | 30.32         | 66           | W             | I   | Cloudy.  |
| 3 o   | 64              | 62             | 30.33         | 56           | W             | I   | Cloudy.  |
| 18    | 59              | 60             | 30.30         | 72           | W             | I   | Cloudy and hazy. |
| 3 o   | 65              | 62             | 30.29         | 64           | NW            | I   | Cloudy.  |
| 19    | 60              | 61             | 30.23         | 68           | N             | I   | Cloudy.  |
| 3 o   | 65              | 62             | 30.17         | 62           | N             | I   | Cloudy.  |
| 20    | 58              | 60             | 29.96         | 68           | W             | I   | Fine.    |
| 3 o   | 61              | 64             | 29.74         | 65           | W             | I   | Cloudy.  |
| 21    | 54              | 60             | 29.62         | 62           | W             | I   | Cloudy.  |
| 3 o   | 63              | 63             | 29.62         | 58           | N             | I   | Fine.    |
| 22    | 52              | 56             | 29.85         | 64           | N             | I   | Cloudy.  |
| 3 o   | 59              | 59             | 29.92         | 58           | N             | I   | Cloudy.  |
| 23    | 50              | 57             | 29.97         | 64           | SW            | I   | Cloudy.  |
| 3 o   | 59              | 58             | 29.84         | 61           | W             | I   | Rain.    |
| 24    | 51              | 56             | 29.88         | 74           | W             | I   | Rain.    |
| 3 o   | 61              | 60             | 29.90         | 64           | WNW           | I   | Cloudy.  |
| 25    | 56              | 58             | 30.07         | 71           | W             | I   | Cloudy.  |
| 3 o   | 66              | 64             | 30.10         | 59           | W             | I   | Fine.    |
| 26    | 58              | 59             | 30.22         | 71           | W             | I   | Cloudy.  |
| 3 o   | 68              | 64             | 30.22         | 57           | N             | I   | Fine.    |
| 27    | 57              | 60             | 30.22         | 69           | E             | I   | Fine.    |
| 3 o   | 62              | 67             | 30.15         | 58           | E             | I   | Fine.    |
| 28    | 60              | 61             | 29.99         | 65           | E             | I   | Fair.    |
| 3 o   | 66              | 69             | 29.93         | 61           | E             | I   | Fine.    |
| 29    | 61              | 63             | 29.85         | 69           | E             | I   | Cloudy and hazy. |
| 3 o   | 59              | 63             | 29.84         | 66           | SW            | I   | Cloudy.  |
| 30    | 54              | 60             | 29.88         | 66           | S             | I   | Cloudy.  |
| 3 o   | 63              | 63             | 29.89         | 60           | N             | I   | Cloudy.  |
| 31    | 53              | 60             | 29.92         | 68           | W             | I   | Cloudy.  |
| 3 o   | 63              | 63             | 29.87         | 58           | SW            | I   | Fine.    |

Rain this Month 0.667 Inches;
## METEOROLOGICAL JOURNAL

for June, 1815.

| Time | Therm. without. | Therm. within. | Barom. Inches. | Hygro-meter. | Winds. Points. | Str. | Weather. |
|------|----------------|---------------|---------------|--------------|---------------|-----|----------|
| 1815 |                |               |               |              |               |     |          |
| H. M. | ° | ° | Inches. | ° | Points. | Str. |          |
| June 1 | 7 | 55 | 60 | 29.79 | E | I | Cloudy. |
|       | 3 | 62 | 63 | 29.89 | E | I | Cloudy. |
| 2 | 7 | 55 | 57 | 30.11 | W | I | Fine. |
| 3 | 7 | 67 | 64 | 30.08 | W | I | Fine. |
| 3 | 7 | 57 | 59 | 30.02 | W | I | Rain. |
| 3 | 65 | 63 | 29.97 | W | I | Cloudy. |
| 4 | 7 | 61 | 62 | 29.93 | W | I | Fine. |
| 3 | 68 | 67 | 29.82 | W | I | Fine. |
| 5 | 7 | 57 | 62 | 29.67 | W | I | Cloudy. |
| 3 | 63 | 64 | 29.59 | NW | I | Cloudy. |
| 6 | 7 | 57 | 59 | 29.53 | S | I | Cloudy. |
| 3 | 60 | 62 | 29.45 | N | I | Rain. |
| 7 | 7 | 53 | 58 | 29.53 | NW | I | Cloudy. |
| 3 | 62 | 62 | 29.66 | S | I | Fine. |
| 8 | 7 | 57 | 60 | 29.70 | N | I | Cloudy. |
| 3 | 63 | 62 | 29.74 | NE | I | Cloudy. |
| 9 | 7 | 59 | 60 | 29.85 | E | I | Fine. |
| 3 | 65 | 64 | 29.85 | E | I | Fine. |
| 10 | 7 | 58 | 59 | 29.87 | NW | I | Fine. |
| 3 | 66 | 65 | 29.89 | NNW | I | Fine. |
| 11 | 7 | 58 | 62 | 29.87 | SW | I | Fine. |
| 3 | 67 | 66 | 29.81 | SW | I | Cloudy. |
| 12 | 7 | 55 | 61 | 29.84 | E | I | Cloudy. |
| 3 | 62 | 64 | 29.77 | SE | I | Fine. |
| 13 | 7 | 52 | 61 | 29.59 | E | I | Rain. |
| 3 | 61 | 64 | 29.53 | W | I | Cloudy. |
| 14 | 7 | 55 | 60 | 29.30 | S | I | Cloudy. |
| 3 | 62 | 64 | 29.32 | S | I | Fine. |
| 15 | 7 | 57 | 61 | 29.49 | W | I | Cloudy. |
| 3 | 66 | 66 | 29.67 | S | I | Cloudy. |
| 16 | 7 | 59 | 60 | 29.88 | SSE | I | Fine. |
| 3 | 68 | 66 | 29.82 | SW | I | Fine. |

Rain this Month 1,752 Inches.
## METEOROLOGICAL JOURNAL

for June, 1815.

| Time | Therm. without. | Therm. within. | Barom. Inches | Hygro-meter | Winds Points | Str. | Weather |
|------|----------------|----------------|---------------|-------------|--------------|-----|---------|
| 1815 |                |                |               |             |              |     |         |
| H. M. | ° | ° | Inches | | Points | Str. |         |
| June 17 | 7 o | 61 | 63 | 29.61 | E | I | Cloudy, much rain in the night. |
|       | 3 o | 67 | 65 | 29.59 | W | I | Cloudy. |
| 18    | 7 o | 58 | 63 | 29.61 | W | I | Cloudy. |
|       | 3 o | 67 | 65 | 29.62 | W | I | Cloudy. |
| 19    | 7 o | 62 | 61 | 29.72 | W | I | Fine. |
|       | 3 o | 67 | 64 | 29.71 | W | I | Cloudy. |
| 20    | 7 o | 62 | 63 | 29.71 | E | I | Cloudy. |
|       | 3 o | 67 | 67 | 29.70 | S | 1,2 | Fine. |
| 21    | 7 o | 60 | 63 | 29.77 | N | 1,2 | Fine. |
|       | 3 o | 64 | 65 | 29.84 | E | I | Cloudy. |
| 22    | 7 o | 58 | 60 | 29.92 | W | I | Cloudy and hazy. |
|       | 3 o | 66 | 66 | 29.89 | N | I | Cloudy. |
| 23    | 7 o | 58 | 61 | 29.92 | W | I | Cloudy. |
|       | 3 o | 65 | 65 | 30.00 | W | I | Fine. |
| 24    | 7 o | 59 | 62 | 30.07 | NW | I | Cloudy. |
|       | 3 o | 67 | 67 | 30.06 | W | I | Fine. |
| 25    | 7 o | 59 | 63 | 29.98 | N | I | Cloudy. |
|       | 3 o | 61 | 64 | 30.05 | N | I | Cloudy. |
| 26    | 7 o | 58 | 60 | 30.11 | N | I | Cloudy. |
|       | 3 o | 66 | 65 | 30.10 | N | I | Cloudy. |
| 27    | 7 o | 56 | 62 | 30.11 | N | I | Fine, rather hazy. |
|       | 3 o | 68 | 68 | 30.11 | E | I | Fine. |
| 28    | 7 o | 62 | 63 | 30.20 | E | I | Cloudy. |
|       | 3 o | 68 | 70 | 30.24 | E | I | Fair. |
| 29    | 7 o | 60 | 65 | 30.29 | E | I | Cloudy. |
|       | 3 o | 69 | 70 | 30.27 | E | I | Fair. |
| 30    | 7 o | 60 | 64 | 30.24 | E | I | Cloudy. |
|       | 3 o | 70 | 70 | 30.20 | E | I | Cloudy. |

Rain this Month 07.52 Inches.
## METEOROLOGICAL JOURNAL

for July, 1815.

| Time | Therm. without | Therm. within | Barom. Inches | Hygro- meter | Winds Points | Str. | Weather |
|------|----------------|---------------|---------------|--------------|-------------|------|---------|
| H. M. |                |               |               |              |             |      |         |
| July 1 | 7 o 60        | 64            | 30,14         | 66           | N           | I    | Cloudy and hazy. |
|       | 3 o 71        | 72            | 30,11         | 56           | N           | I    | Fine. |
|       | 7 o 58        | 65            | 30,15         | 62           | N           | I    | Cloudy. |
|       | 3 o 67        | 68            | 30,09         | 53           | N           | I    | Fine. |
|       | 7 o 58        | 62            | 30,06         | 57           | NE          | I    | Cloudy. |
|       | 3 o 65        | 66            | 30,01         | 52           | N           | I    | Cloudy. |
|       | 7 o 60        | 62            | 30,01         | 62           | E           | I    | Cloudy. |
|       | 3 o 64        | 65            | 30,01         | 57           | E           | I    | Cloudy. |
|       | 7 o 59        | 62            | 30,08         | 57           | NNW         | I    | Cloudy. |
|       | 3 o 66        | 67            | 30,09         | 52           | N           | I    | Fine. |
|       | 7 o 59        | 63            | 30,08         | 59           | W           | I    | Cloudy. |
|       | 3 o 66        | 67            | 29,99         | 51           | N           | I    | Fair. |
|       | 7 o 55        | 62            | 30,08         | 64           | N           | I    | Cloudy. |
|       | 3 o 60        | 65            | 30,03         | 52           | N           | I    | Cloudy. |
|       | 7 o 56        | 61            | 30,12         | 59           | NW          | I    | Fine. |
|       | 3 o 63        | 64            | 30,12         | 50           | NW          | I    | Cloudy. |
|       | 7 o 62        | 62            | 30,06         | 60           | N           | I    | Cloudy. |
|       | 3 o 63        | 64            | 30,11         | 56           | NE          | I    | Cloudy. |
|       | 7 o 60        | 62            | 30,19         | 59           | NW          | I    | Fine. |
|       | 3 o 62        | 67            | 30,17         | 58           | W           | I    | Fine. |
|       | 7 o 60        | 63            | 30,19         | 59           | N           | I    | Fine. |
|       | 3 o 68        | 70            | 30,16         | 53           | W           | I    | Fine. |
|       | 7 o 62        | 64            | 30,12         | 60           | S           | I    | Fair. |
|       | 3 o 70        | 69            | 30,07         | 53           | S           | I    | Fine. |
|       | 7 o 62        | 64            | 30,06         | 60           | S           | I    | Fair. |
|       | 3 o 70        | 69            | 30,02         | 51           | W           | I    | Fine. |
|       | 7 o 63        | 65            | 30,09         | 61           | W           | I    | Cloudy. |
|       | 3 o 72        | 70            | 30,08         | 55           | SW          | I    | Cloudy. |
|       | 7 o 67        | 67            | 30,06         | 61           | SW          | I    | Fine. |
|       | 3 o 71        | 70            | 30,00         | 57           | SW          | 2   | Cloudy. |
|       | 7 o 64        | 66            | 29,98         | 62           | W           | I    | Cloudy. |
|       | 3 o 71        | 69            | 30,05         | 55           | NW          | I    | Cloudy. |

Rain this Month 1,581 Inches.
## METEOROLOGICAL JOURNAL

for July, 1815.

| Time. | Therm. without. | Therm. within. | Barom. Inches. | Hygro-meter. | Winds. Points. | Str. | Weather. |
|-------|-----------------|----------------|----------------|--------------|---------------|------|----------|
|       |                 |                |                |              |               |      |          |
| **July** |                 |                |                |              |               |      |          |
| 17    | 7 o             | 63             | 67             | 30.00        | W             | 1    | Cloudy.  |
|       | 3 o             | 71             | 69             | 29.86        | W             | 2    | Cloudy.  |
| 18    | 7 o             | 58             | 66             | 29.82        | W             | 2    | Cloudy.  |
|       | 3 o             | 70             | 70             | 29.83        | W             | 1    | Fine.    |
| 19    | 7 o             | 56             | 65             | 29.76        | SW            | 1    | Rain.    |
|       | 3 o             | 62             | 66             | 29.62        | W             | 1    | Rain.    |
| 20    | 7 o             | 57             | 64             | 29.73        | N             | 1    | Cloudy.  |
|       | 3 o             | 62             | 65             | 29.82        | N             | 1    | Cloudy.  |
| 21    | 7 o             | 56             | 63             | 29.94        | N             | 1    | Fine.    |
|       | 3 o             | 64             | 68             | 29.94        | NW            | 1    | Fine.    |
| 22    | 7 o             | 58             | 63             | 29.95        | NNE           | 1    | Cloudy.  |
|       | 3 o             | 65             | 65             | 29.92        | N             | 1    | Cloudy.  |
| 23    | 7 o             | 57             | 62             | 29.93        | N             | 1    | Cloudy.  |
|       | 3 o             | 65             | 65             | 29.92        | N             | 1    | Cloudy.  |
| 24    | 7 o             | 59             | 63             | 29.99        | N             | 1    | Fine.    |
|       | 3 o             | 66             | 65             | 30.01        | NE            | 1    | Cloudy.  |
| 25    | 7 o             | 62             | 64             | 30.00        | E             | 1    | Fine.    |
|       | 3 o             | 67             | 66             | 30.11        | NW            | 1    | Cloudy.  |
| 26    | 7 o             | 62             | 64             | 30.09        | NE            | 1    | Rain.    |
|       | 3 o             | 65             | 65             | 30.15        | SW            | 1    | Cloudy.  |
| 27    | 7 o             | 56             | 62             | 30.19        | NE            | 1    | Fair.    |
|       | 3 o             | 61             | 63             | 30.21        | NEb.E         | 1    | Cloudy.  |
| 28    | 7 o             | 57             | 61             | 30.18        | NNE           | 1    | Fair.    |
|       | 3 o             | 65             | 67             | 30.17        | SE            | 1    | Fair.    |
| 29    | 7 o             | 61             | 63             | 30.16        | W             | 1    | Fine.    |
|       | 3 o             | 68             | 65             | 30.09        | SW            | 1    | Cloudy.  |
| 30    | 7 o             | 63             | 64             | 30.02        | S             | 1    | Fair.    |
|       | 3 o             | 70             | 66             | 30.05        | NE            | 1    | Fair.    |
| 31    | 7 o             | 58             | 54             | 30.12        | SSW           | 1    | Cloudy.  |
|       | 3 o             | 61             | 64             | 30.15        | SE            | 1    | Cloudy.  |

Rain this Month 5.81 Inches.
## METEOROLOGICAL JOURNAL

for August, 1815.

| Time | Therm. without | Therm. within | Barom. Inches | Hygro-meter | Winds Points | Str. | Weather |
|------|----------------|---------------|--------------|-------------|-------------|------|---------|
| Aug. 1 |                |               |              |             |             |      |         |
| 7    | 57             | 62            | 30.23        | 59          | NW          | I    | Cloudy. |
| 4    | 64             | 51            | 30.27        | 57          | NE          | I    | Cloudy. |
| 2    | 62             | 61            | 30.22        | 65          | SE          | I    | Cloudy. |
| 4    | 67             | 66            | 30.18        | 54          | NNE         | I    | Fair.   |
| 3    | 64             | 65            | 30.21        | 69          | SW          | I    | Fair.   |
| 4    | 61             | 63            | 30.17        | 70          | SSE         | I    | Cloudy. |
| 4    | 51             | 64            | 30.08        | 69          | NE          | I    | Fair.   |
| 4    | 63             | 69            | 30.04        | 65          | SW          | I    | Cloudy. |
| 5    | 61             | 65            | 29.79        | 70          | SSW         | I    | Fine.   |
| 4    | 60             | 61            | 29.77        | 69          | SW          | I    | Fair.   |
| 6    | 55             | 63            | 29.71        | 63          | W           | I    | Fair.   |
| 4    | 67             | 66            | 29.68        | 69          | W           | I    | Fine.   |
| 7    | 60             | 62            | 29.69        | 66          | W           | I    | Fair.   |
| 4    | 69             | 63            | 29.81        | 63          | S           | I    | Fair.   |
| 8    | 59             | 57            | 29.86        | 65          | SW          | I    | Cloudy. |
| 4    | 62             | 61            | 29.81        | 67          | W           | I    | Cloudy. |
| 9    | 65             | 65            | 29.86        | 69          | S           | I    | Fair.   |
| 4    | 68             | 69            | 29.81        | 66          | SSE         | I    | Fair.   |
| 10   | 67             | 63            | 29.89        | 65          | SSW         | I    | Fine.   |
| 4    | 65             | 63            | 29.89        | 66          | SW          | I    | Cloudy. |
| 11   | 66             | 64            | 29.56        | 69          | SE          | I    | Fine.   |
| 4    | 62             | 69            | 29.56        | 68          | SW          | I    | Fair.   |
| 12   | 68             | 66            | 29.57        | 65          | SSE         | I    | Fine.   |
| 4    | 69             | 66            | 29.57        | 68          | SW          | I    | Cloudy. |
| 13   | 66             | 62            | 29.78        | 66          | SSW         | I    | Fair.   |
| 4    | 68             | 67            | 29.78        | 68          | SW          | I    | Fine.   |
| 14   | 65             | 66            | 29.87        | 59          | S           | I    | Cloudy. |
| 4    | 69             | 68            | 29.89        | 63          | W           | I    | Cloudy. |
| 15   | 64             | 62            | 30.07        | 65          | SW          | I    | Cloudy. |
| 4    | 62             | 51            | 30.08        | 62          | E           | I    | Fair.   |
| 16   | 68             | 61            | 30.11        | 65          | SE          | I    | Cloudy. |
| 4    | 69             | 66            | 30.08        | 67          | W           | I    | Cloudy. |
## METEOROLOGICAL JOURNAL

for August, 1815.

| Time | Therm. without | Therm. within | Barom. Inches | Hygro-meter | Winds Points | Str. | Weather |
|------|----------------|---------------|---------------|-------------|-------------|------|---------|
| Aug. 17 |                |               |               |             |             |      |         |
| 7    | 65             | 63            | 30.07         | 66          | SE          | I    | Fair    |
| 4    | 68             | 67            | 30.01         | 68          | SE          | I    | Cloudy  |
| 18   | 62             | 67            | 29.97         | 66          | SE          | I    | Fair    |
| 4    | 62             | 65            | 29.91         | 69          | W           | I    | Cloudy  |
| 19   | 68             | 66            | 29.97         | 66          | W           | I    | Fair    |
| 4    | 66             | 54            | 29.98         | 65          | SW          | I    | Cloudy  |
| 20   | 60             | 66            | 30.01         | 64          | SW          | I    | Cloudy  |
| 4    | 63             | 65            | 30.08         | 62          | SW          | I    | Cloudy  |
| 21   | 54             | 54            | 29.97         | 59          | SW          | I    | Fine    |
| 4    | 64             | 56            | 29.91         | 57          | SSE         | I    | Fine    |
| 22   | 52             | 56            | 29.88         | 58          | W           | I    | Fair    |
| 7    | 69             | 63            | 29.81         | 68          | S           | I    | Cloudy  |
| 4    | 66             | 58            | 29.76         | 62          | S           | I    | Cloudy  |
| 23   | 55             | 63            | 29.78         | 67          | SW          | I    | Cloudy  |
| 4    | 63             | 52            | 29.98         | 66          | SE          | I    | Fair    |
| 24   | 52             | 62            | 30.01         | 61          | W           | I    | Cloudy  |
| 7    | 65             | 64            | 30.11         | 54          | SSW         | I    | Cloudy  |
| 4    | 68             | 66            | 30.17         | 52          | SW          | I    | Fair    |
| 25   | 63             | 65            | 30.01         | 68          | SE          | I    | Fine    |
| 4    | 65             | 63            | 30.01         | 65          | SW          | I    | Fair    |
| 26   | 62             | 67            | 29.99         | 64          | E           | I    | Cloudy  |
| 7    | 63             | 65            | 29.92         | 68          | W           | I    | Cloudy  |
| 4    | 64             | 59            | 29.99         | 67          | S           | I    | Fair    |
| 28   | 65             | 67            | 29.92         | 62          | SSW         | I    | Fine    |
| 4    | 68             | 56            | 29.99         | 61          | SW          | I    | Cloudy  |
| 29   | 69             | 69            | 29.98         | 66          | S           | I    | Cloudy  |
| 4    | 67             | 58            | 30.05         | 59          | SE          | I    | Hazy    |
| 30   | 62             | 61            | 30.18         | 54          | SW          | I    | Cloudy  |
| 7    | 66             | 61            | 30.17         | 52          | S           | I    | Fine    |
| 4    | 61             | 64            | 30.11         | 51          | W           | I    | Fine    |

MDCCCXVI.
## METEOROLOGICAL JOURNAL

for September, 1815.

| Time. | Therm. without. | Therm. within. | Barom. Inches. | Hygro-meter. | Winds. Points. | Str. | Weather. |
|-------|-----------------|----------------|---------------|--------------|---------------|-----|----------|
| Sep. 1 | 7 o 68          | 62             | 30.19         | 62           | E             | I   | Cloudy.  |
|       | 3 o 61          | 69             | 30.19         | 66           | NE            | I   | Fair.    |
|       | 7 o 65          | 59             | 29.99         | 65           | W             | I   | Fine.    |
|       | 3 o 67          | 67             | 30.01         | 62           | SSW           | I   | Fine.    |
|       | 7 o 66          | 63             | 30.03         | 64           | W             | I   | Fine.    |
|       | 3 o 69          | 65             | 30.03         | 68           | NW            | I   | Fair,    |
|       | 7 o 68          | 67             | 30.08         | 63           | E             | I   | Cloudy.  |
|       | 3 o 65          | 64             | 30.01         | 58           | W             | I   | Cloudy.  |
|       | 7 o 67          | 62             | 29.99         | 59           | NNNW          | I   | Cloudy.  |
|       | 3 o 60          | 63             | 29.98         | 64           | N             | I   | Cloudy.  |
|       | 7 o 62          | 61             | 30.19         | 62           | NE            | I   | Cloudy.  |
|       | 3 o 69          | 62             | 30.19         | 65           | W             | I   | Fine.    |
|       | 7 o 65          | 63             | 30.18         | 69           | NN            | I   | Fair.    |
|       | 3 o 63          | 69             | 30.17         | 68           | NNNW          | I   | Fair.    |
|       | 7 o 61          | 64             | 30.17         | 63           | S             | I   | Fine.    |
|       | 3 o 68          | 68             | 30.11         | 67           | SSE           | I   | Cloudy.  |
|       | 7 o 67          | 63             | 30.19         | 69           | W             | L2 | Fine.    |
|       | 3 o 64          | 61             | 30.19         | 67           | NWbW          | I   | Fine.    |
|       | 7 o 66          | 68             | 30.19         | 68           | E             | I   | Fine.    |
|       | 3 o 65          | 58             | 30.20         | 69           | N             | I   | Cloudy.  |
|       | 7 o 69          | 54             | 30.20         | 62           | W             | I   | Fine.    |
|       | 3 o 68          | 69             | 30.16         | 69           | E             | I   | Cloudy.  |
|       | 7 o 54          | 59             | 30.17         | 68           | N             | I   | Cloudy.  |
|       | 3 o 61          | 59             | 30.19         | 62           | W             | I   | Cloudy.  |
|       | 7 o 69          | 68             | 29.99         | 67           | E             | I   | Fine.    |
|       | 3 o 65          | 63             | 29.99         | 61           | N             | I   | Fine.    |
|       | 7 o 68          | 64             | 29.88         | 65           | NW            | I   | Fine.    |
|       | 3 o 63          | 66             | 29.89         | 69           | E             | I   | Cloudy.  |
|       | 7 o 62          | 61             | 29.89         | 59           | N             | I   | Cloudy.  |
|       | 3 o 69          | 69             | 29.81         | 58           | NE            | I   | Cloudy.  |
|       | 7 o 69          | 59             | 29.83         | 56           | E             | I   | Cloudy.  |
|       | 3 o 67          | 62             | 29.81         | 62           | NE            | I   | Fair.    |
## METEOROLOGICAL JOURNAL

for September, 1815.

| Time | Therm. without | Therm. within | Barom. Inches | Hygrometer | Winds Points | Str. | Weather |
|------|----------------|---------------|---------------|------------|--------------|-----|---------|
| H. M.| °              | °             | Inches        |            |              |     |         |
| Sept. 17 | 7° 67          | 56            | 29.90         | 65         | W            | I   | Cloudy. |
|       | 3° 63          | 69            | 29.99         | 69         | N            | I   | Cloudy. |
| 18    | 7° 66          | 54            | 30.06         | 66         | NNE           | I   | Cloudy. |
|       | 3° 65          | 68            | 30.19         | 63         | W            | I   | Fair.   |
| 19    | 7° 70          | 57            | 30.11         | 59         | S            | I   | Fine.   |
|       | 3° 62          | 69            | 30.13         | 57         | SW           | I   | Fine.   |
| 20    | 7° 68          | 59            | 29.98         | 60         | SSE           | I   | Fine.   |
|       | 3° 68          | 62            | 29.99         | 61         | N            | I   | Fine.   |
| 21    | 7° 66          | 58            | 29.98         | 63         | NE           | I   | Cloudy. |
|       | 3° 67          | 66            | 29.97         | 62         | E            | I   | Cloudy. |
| 22    | 7° 61          | 61            | 29.79         | 68         | W            | I   | Cloudy. |
|       | 3° 63          | 62            | 29.77         | 69         | N            | I   | Cloudy. |
| 23    | 7° 59          | 67            | 29.71         | 67         | NW           | I   | Fair.   |
|       | 3° 61          | 61            | 29.78         | 63         | NW           | I   | Fair.   |
| 24    | 7° 66          | 68            | 29.79         | 62         | NW           | I   | Cloudy. |
|       | 3° 59          | 66            | 29.79         | 61         | W            | I   | Cloudy. |
| 25    | 7° 68          | 64            | 29.81         | 68         | S            | I   | Fine.   |
|       | 3° 60          | 68            | 29.86         | 67         | SW           | I   | Fine.   |
| 26    | 7° 59          | 63            | 29.78         | 65         | NW           | I   | Fine.   |
|       | 3° 58          | 64            | 29.77         | 64         | NW           | I   | Fine.   |
| 27    | 7° 60          | 69            | 29.91         | 66         | NNE           | I   | Fine.   |
|       | 3° 63          | 62            | 29.98         | 63         | E            | I   | Fair.   |
| 28    | 7° 67          | 70            | 29.97         | 61*        | N            | I   | Fair.   |
|       | 3° 64          | 67            | 29.99         |            | S            | I   | Cloudy. |
| 29    | 7° 66          | 66            | 29.49         |            | NW           | I   | Cloudy. |
|       | 3° 62          | 63            | 29.49         |            | W            | I   | Fine.   |
| 30    | 7° 61          | 62            | 29.57         |            | WNW          | I   | Cloudy. |
|       | 3° 63          | 65            | 29.59         |            | E            | I   | Fine.   |

* The Hygrometer was broken by the workmen employed in repairing the building.
## METEOROLOGICAL JOURNAL

for October, 1815.

| Time | Therm. without. | Therm. within. | Barom. Inches | Hygro-meter | Winds Points | Str. | Weather |
|------|----------------|----------------|---------------|-------------|--------------|-----|---------|
| Oct. 1 | 7 o 59 | 62 | 29.77 | W | I | Fair. |
|      | 3 o 63 | 59 | 29.86 | E | I | Fair. |
|      | 7 o 53 | 49 | 30.16 | S | I | Fine, rather foggy. |
|      | 3 o 55 | 52 | 30.19 | N | I | Cloudy. |
|      | 7 o 57 | 54 | 30.02 | SE | I | Cloudy. |
|      | 3 o 57 | 57 | 30.03 | S | I | Cloudy. |
|      | 7 o 56 | 53 | 30.03 | S | I | Fine. |
|      | 3 o 59 | 56 | 30.04 | SE | I | Fine. |
|      | 7 o 57 | 51 | 30.04 | E | I | Hazy. |
|      | 3 o 60 | 60 | 29.97 | S | I | Cloudy. |
|      | 7 o 58 | 60 | 29.89 | SE | I | Rain. |
|      | 3 o 59 | 60 | 30.05 | E | I | Cloudy. |
|      | 7 o 49 | 57 | 30.16 | N | I | Fine. |
|      | 3 o 57 | 62 | 30.18 | NNE | I | Fine. |
|      | 7 o 51 | 57 | 30.28 | NE | I | Hazy. |
|      | 3 o 54 | 60 | 30.29 | E | I | Fine. |
|      | 7 o 48 | 56 | 30.28 | E | I | Fine. |
|      | 3 o 52 | 59 | 30.21 | E | I | Fine. |
|      | 7 o 48 | 56 | 30.11 | E | I | Fine. |
|      | 3 o 53 | 61 | 30.00 | E | I | Fine. |
|      | 7 o 49 | 56 | 29.82 | E | I | Cloudy. |
|      | 3 o 52 | 57 | 29.75 | E | I | Rain. |
|      | 7 o 48 | 55 | 29.70 | NE | I | Cloudy. |
|      | 3 o 52 | 57 | 29.71 | NNW | I | Cloudy. |
|      | 7 o 47 | 54 | 29.78 | E | I | Cloudy. |
|      | 3 o 56 | 59 | 29.80 | SE | I | Rain. |
|      | 7 o 55 | 56 | 29.72 | W | I | Fine. |
|      | 3 o 55 | 58 | 29.76 | W | I | Fine. |
|      | 7 o 53 | 57 | 29.80 | W | I | Fine. |
|      | 3 o 57 | 58 | 29.92 | W | I | Cloudy. |
|      | 7 o 56 | 58 | 29.86 | WSW | I | Fine. |
|      | 3 o 59 | 63 | 29.87 | W | I | Fine. |

Rain this Month 1.889 Inches.
## METEOROLOGICAL JOURNAL

for October, 1815.

| Time | Therm. without | Therm. within | Barom. Inches | Hygro-meter | Winds Points | Str. | Weather |
|------|----------------|---------------|--------------|-------------|--------------|-----|---------|
| Oct. 17 |                |               |              |             | W            |     | Fair    |
|       | 7 o           | 52            | 59           | 29.82       | W            |     | Fair    |
|       | 3 o           | 54            | 62           | 29.87       | W            |     | Rain    |
|       | 7 o           | 44            | 57           | 29.94       | S            |     | Rain    |
|       | 3 o           | 54            | 60           | 29.85       | W            |     | Rain    |
|       | 7 o           | 53            | 58           | 29.59       | S            |     | Rain    |
|       | 3 o           | 61            | 63           | 29.44       | WSW          | 2   | Cloudy  |
|       | 7 o           | 59            | 61           | 29.33       | S            |     | Fine    |
|       | 3 o           | 59            | 63           | 29.42       | SW           |     | Fine    |
|       | 7 o           | 53            | 60           | 29.54       | WNW          |     | Fine    |
|       | 3 o           | 56            | 63           | 29.65       | NW           |     | Fine    |
|       | 7 o           | 46            | 57           | 29.88       | W            |     | Cloudy  |
|       | 3 o           | 55            | 60           | 29.93       | S            |     | Fine    |
|       | 7 o           | 56            | 59           | 29.71       | S            |     | Rain    |
|       | 3 o           | 55            | 60           | 29.63       | S            |     | Rain    |
|       | 7 o           | 53            | 58           | 29.57       | W            |     | Fine    |
|       | 3 o           | 56            | 62           | 29.55       | SW           |     | Fine    |
|       | 7 o           | 49            | 58           | 29.53       | S            |     | Fine    |
|       | 3 o           | 54            | 62           | 29.45       | SW           |     | Fine    |
|       | 7 o           | 44            | 57           | 29.47       | S            |     | Fine    |
|       | 3 o           | 52            | 61           | 29.50       | W            |     | Hazy    |
|       | 7 o           | 47            | 57           | 29.53       | N            |     | Rain    |
|       | 3 o           | 49            | 58           | 29.52       | E            |     | Hazy and cloudy |
|       | 7 o           | 48            | 56           | 29.74       | N            |     | Rain    |
|       | 3 o           | 50            | 60           | 29.92       | E            |     | Fine    |
|       | 7 o           | 48            | 56           | 30.05       | N            |     | Fair    |
|       | 3 o           | 53            | 58           | 29.99       | N            |     | Cloudy  |
|       | 7 o           | 49            | 55           | 29.91       | NW           |     | Fine    |
|       | 3 o           | 50            | 57           | 29.92       | N            |     | Cloudy  |
|       | 7 o           | 46            | 55           | 29.99       | N            |     | Fine    |
|       | 3 o           | 48            | 58           | 30.03       | E            |     | Fine    |

Rain this Month 1.889 Inches.
## METEOROLOGICAL JOURNAL

for November, 1815.

| Time | Therm. without | Therm. within | Barom. Inches | Winds Points | Winds Str. | Weather |
|------|----------------|---------------|---------------|--------------|------------|---------|
| Nov. 1 |                |               |               |              |            |         |
| 8 o   | 43             | 54            | 30.03         | W            | I          | Cloudy and hazy. |
| 3 o   | 48             | 57            | 30.04         | NE           | I          | Cloudy. |
| 2     | 45             | 53            | 30.03         | W            | I          | Hazy. |
| 3     | 46             | 55            | 30.20         | NW           | I          | Hazy. |
| 3     | 39             | 51            | 30.28         | N            | I          | Fine. |
| 3     | 45             | 48            | 30.34         | NW           | I          | Cloudy. |
| 4     | 36             | 48            | 30.49         | W            | I          | Foggy. |
| 3     | 43             | 50            | 30.37         | W            | I          | Fine. |
| 5     | 43             | 49            | 30.32         | W            | I          | Cloudy. |
| 3     | 48             | 51            | 30.28         | W            | I          | Cloudy. |
| 6     | 44             | 49            | 30.24         | W            | I          | Cloudy. |
| 3     | 50             | 50            | 30.19         | W            | I          | Cloudy. |
| 7     | 49             | 51            | 30.13         | W            | I          | Rain. |
| 3     | 48             | 52            | 30.12         | NW           | I          | Fine. |
| 8     | 42             | 50            | 30.10         | W            | I          | Rain. |
| 3     | 50             | 55            | 30.03         | W            | I          | Cloudy. |
| 9     | 52             | 54            | 29.83         | W            | I          | Rain. |
| 3     | 54             | 58            | 29.93         | W            | I          | Cloudy. |
| 10    | 49             | 56            | 30.11         | W            | I          | Cloudy. |
| 3     | 54             | 58            | 30.15         | W            | I          | Cloudy. |
| 11    | 50             | 56            | 30.17         | W            | I          | Cloudy. |
| 3     | 53             | 58            | 30.11         | W            | I          | Cloudy. |
| 12    | 51             | 56            | 29.96         | W            | I          | Cloudy. |
| 3     | 54             | 57            | 29.84         | SW           | I          | Cloudy. |
| 13    | 48             | 56            | 29.06         | SW           | I          | Rain. |
| 3     | 45             | 58            | 29.05         | W            | 2          | Fine. |
| 14    | 39             | 52            | 29.14         | W            | I          | Fine. |
| 3     | 45             | 57            | 29.15         | W            | I          | Fine. |
| 15    | 39             | 52            | 29.06         | N            | I          | Cloudy. |
| 3     | 42             | 55            | 29.17         | N            | I          | Fine. |
| 16    | 36             | 51            | 29.33         | NW           | I          | Cloudy. |
| 3     | 38             | 53            | 29.48         | W            | I          | Fair. |

Rain this Month 1536 Inches.
## METEOROLOGICAL JOURNAL

for November, 1815.

| Time | Therm. without. | Therm. within. | Barom. Inches | Hygro-meter. | Winds Points | Str. | Weather |
|------|-----------------|----------------|---------------|--------------|-------------|-----|---------|
| Nov. 17 |                |                |               |              |             |     |         |
| 8 o   | 31              | 49             | 29.55         | 0            | W           | I   | Foggy.  |
| 3 o   | 38              | 53             | 29.70         |              | NW          | I   | Fine.   |
| 18    | 8 o            | 30             | 48             | 29.94        | W           | I   | Cloudy. |
| 3 o   | 38              | 52             | 30.02         |              | W           | I   | Fine.   |
| 19    | 8 o            | 29             | 46             | 30.09        | W           | I   | Fine.   |
| 3 o   | 35              | 45             | 30.09         |              | N           | I   | Cloudy. |
| 20    | 8 o            | 44             | 44             | 29.77        | N           | I   | Fine.   |
| 3 o   | 40              | 48             | 29.68         |              | NE          | I   | Fine.   |
| 21    | 8 o            | 46             | 46             | 29.67        | N           | I   | Fine.   |
| 3 o   | 42              | 48             | 29.69         |              | N           | I   | Cloudy. |
| 22    | 8 o            | 40             | 40             | 29.83        | N           | I   | Cloudy. |
| 3 o   | 36              | 50             | 29.89         |              | N           | I   | Cloudy. |
| 23    | 8 o            | 45             | 45             | 30.14        | N           | I   | Fine.   |
| 3 o   | 40              | 50             | 30.18         |              | N           | I   | Fair.   |
| 24    | 8 o            | 47             | 47             | 30.21        | N           | I   | Hazy.   |
| 3 o   | 41              | 49             | 30.38         |              | NE          | I   | Rain.   |
| 25    | 8 o            | 47             | 47             | 30.49        | N           | I   | Foggy.  |
| 3 o   | 43              | 47             | 30.61         |              | NE          | I   | Hazy.   |
| 26    | 8 o            | 46             | 46             | 30.61        | N           | I   | Foggy.  |
| 3 o   | 45              | 45             | 30.50         |              | NE          | I   | Thick and hazy. |
| 27    | 8 o            | 46             | 46             | 30.36        | NE          | I   | Thick and hazy. |
| 3 o   | 48              | 48             | 30.27         |              | E           | I   | Fine.   |
| 28    | 8 o            | 46             | 46             | 30.00        | N           | I   | Thick and hazy. |
| 3 o   | 47             | 30.07         |              |              | NW          | I   | Cloudy. |
| 29    | 8 o            | 45             | 45             | 30.05        | W           | I   | Hazy.   |
| 3 o   | 45             | 30.00         |              |              | S           | I   | Cloudy. |
| 30    | 8 o            | 45             | 29.93         |              | ESE         | I   | Rain.   |
| 3 o   | 48             | 29.90         |              |              | S           | I   | Rain.   |

Rain this Month 1.336 Inches.
## METEOROLOGICAL JOURNAL

for December, 1815.

| Time | Therm. without. | Therm. within. | Barom. Inches. | Hygro-meter. | Winds. Points. | Str. | Weather. |
|------|----------------|----------------|----------------|--------------|---------------|-----|----------|
| Dec. 1 | 8 o 48 | 49 | 29.81 | S | Rain. |
|       | 3 o 48 | 53 | 29.91 | W | Cloudy. |
|       | 8 o 46 | 52 | 30.11 | W | Fine. |
|       | 3 o 48 | 54 | 30.13 | W | Cloudy. |
|       | 8 o 47 | 51 | 30.03 | S | Cloudy. |
|       | 3 o 48 | 51 | 30.00 | W | Fine. |
|       | 8 o 44 | 50 | 29.79 | S | Rain. |
|       | 3 o 43 | 52 | 29.78 | W | Fine. |
|       | 8 o 39 | 50 | 29.96 | W | Cloudy and hazy. |
|       | 3 o 42 | 52 | 29.72 | W | Rain. |
|       | 8 o 39 | 50 | 29.39 | W | Fine. |
|       | 3 o 43 | 53 | 29.38 | NW | Cloudy. |
|       | 8 o 37 | 49 | 29.78 | E | Cloudy. |
|       | 3 o 35 | 50 | 29.94 | N | Cloudy |
|       | 8 o 27 | 46 | 30.00 | N | Fine. |
|       | 3 o 31 | 50 | 30.00 | N | Fair. |
|       | 8 o 26 | 44 | 30.07 | N | Fine. |
|       | 3 o 32 | 48 | 30.14 | N | Fine |
|       | 8 o 32 | 43 | 30.37 | NNE | Cloudy. |
|       | 3 o 36 | 44 | 30.38 | N | Cloudy. |
|       | 8 o 34 | 42 | 30.38 | N | Cloudy and hazy. |
|       | 3 o 37 | 45 | 30.40 | W | Cloudy. |
|       | 8 o 36 | 44 | 30.27 | N | Fine, rather hazy. |
|       | 3 o 38 | 48 | 30.40 | W | Cloudy. |
|       | 8 o 37 | 44 | 30.29 | W | Cloudy. |
|       | 3 o 43 | 49 | 30.22 | W | Rain. |
|       | 8 o 32 | 49 | 30.32 | W | Fine. |
|       | 3 o 38 | 49 | 30.29 | W | Fine. |
|       | 8 o 45 | 48 | 29.83 | W | 2 Cloudy. |
|       | 3 o 46 | 52 | 29.74 | W | Cloudy. |
|       | 8 o 44 | 50 | 29.04 | W | Cloudy. |
|       | 3 o 42 | 52 | 29.05 | W | Fine. |

Rain this Month 0.650 Inches.
## METEOROLOGICAL JOURNAL

for December, 1815.

| Time | Therm. without. | Therm. within. | Barom. Inches. | Hygro-meter. | Points. | Str. | Weather. |
|------|----------------|----------------|----------------|--------------|---------|-----|----------|
| Dec. 17 | 8 o | 34 | 45 | 28.95 | W | I | Cloudy. |
|       | 3 o | 36 | 47 | 29.08 | WNW | 2 | Cloudy. |
|       | 8 o | 29 | 43 | 29.39 | W | I | Hazy. |
|       | 3 o | 37 | 49 | 29.39 | W | I | Fair. |
|       | 8 o | 28 | 44 | 29.59 | W | I | Fine. |
|       | 3 o | 33 | 47 | 29.58 | SSE | I | Snow. |
|       | 8 o | 44 | 46 | 29.19 | S | 2 | Rain. |
|       | 3 o | 43 | 49 | 28.98 | W | 2,3 | Rain. |
|       | 8 o | 37 | 46 | 29.32 | W | I | Cloudy. |
|       | 3 o | 38 | 49 | 29.45 | N | I | Rain. |
|       | 8 o | 37 | 41 | 29.60 | W | I | Fine, rather hazy. |
|       | 3 o | 37 | 50 | 29.67 | W | I | Cloudy. |
|       | 8 o | 32 | 46 | 29.76 | W | I | Cloudy. |
|       | 3 o | 40 | 49 | 29.53 | W | I | Cloudy. |
|       | 8 o | 41 | 47 | 29.35 | W | I | Fine. |
|       | 3 o | 42 | 48 | 29.33 | W | I | Fine. |
|       | 8 o | 33 | 44 | 29.53 | W | I | Hazy. |
|       | 3 o | 34 | 49 | 29.76 | SE | I | Cloudy. |
|       | 8 o | 38 | 42 | 29.59 | S | I | Cloudy. |
|       | 3 o | 43 | 46 | 29.30 | SW | 2,3 | Rain. |
|       | 8 o | 40 | 45 | 29.02 | N | I | Cloudy. |
|       | 3 o | 34 | 48 | 29.46 | N | I | Fine. |
|       | 8 o | 33 | 44 | 29.91 | S | I | Snow. |
|       | 3 o | 42 | 47 | 29.84 | W | I | Rain. |
|       | 8 o | 46 | 47 | 29.95 | W | I | Cloudy. |
|       | 3 o | 48 | 50 | 29.98 | W | I | Cloudy. |
|       | 8 o | 42 | 48 | 30.15 | W | I | Fine. |
|       | 3 o | 44 | 50 | 30.39 | NW | I | Fine. |
|       | 8 o | 33 | 46 | 30.54 | W | I | Fine. |
|       | 3 o | 39 | 47 | 30.52 | W | I | Cloudy. |

Rain this Month 0.861 Inches.

MDCCCXVI.
| Thermometer without | Thermometer within | Barometer.* | Hygrometer. | Rain.+ |
|---------------------|--------------------|-------------|-------------|--------|
| Greatest height, Deg. | Least height, Deg. | Mean height, Deg. | Greatest height, Inches | Least height, Inches | Mean height, Inches | Greatest height, Deg. | Least height, Deg. | Mean height, Deg. | Inches |
| January             | 45                 | 22          | 34.0        | 50     | 39    | 45.0 | 30.47 | 28.94 | 29.55 | 78   | 62   | 71.7 | 0.435 |
| February            | 54                 | 36          | 43.6        | 58     | 48    | 54.2 | 30.51 | 29.38 | 29.81 | 79   | 63   | 73.3 | 0.675 |
| March               | 63                 | 34          | 47.6        | 63     | 48    | 55.1 | 30.30 | 28.90 | 29.75 | 79   | 58   | 70.2 | 1.325 |
| April               | 63                 | 40          | 49.4        | 67     | 50    | 55.6 | 30.60 | 28.78 | 29.66 | 79   | 55   | 67.0 | 1.660 |
| May                 | 68                 | 50          | 58.2        | 69     | 55    | 60.4 | 30.33 | 29.62 | 29.74 | 75   | 56   | 65.4 | 0.667 |
| June                | 70                 | 52          | 61.6        | 70     | 57    | 63.2 | 30.29 | 29.30 | 29.84 | 74   | 50   | 61.6 | 1.752 |
| July                | 72                 | 55          | 62.9        | 74     | 54    | 65.0 | 30.21 | 29.62 | 30.03 | 67   | 48   | 57.8 | 1.581 |
| August              | 69                 | 52          | 63.5        | 69     | 52    | 63.0 | 30.27 | 29.56 | 29.94 | 70   | 51   | 63.9 | 0.222 |
| September           | 70                 | 54          | 64.7        | 70     | 54    | 63.6 | 30.20 | 29.49 | 29.97 | 69   | 56   | 61.8 | 0.776 |
| October             | 63                 | 44          | 53.2        | 63     | 49    | 59.0 | 30.29 | 29.33 | 30.33 | —    | —    | —    | 1.889 |
| November            | 54                 | 29          | 41.2        | 58     | 44    | 50.5 | 30.61 | 29.05 | 29.97 | —    | —    | —    | 1.336 |
| December            | 48                 | 26          | 38.7        | 54     | 41    | 47.8 | 30.54 | 28.95 | 29.79 | —    | —    | —    | 0.650 |
| Whole year          | 51.6               | 56.9        |             |         |       |      | 29.86 |       |       |      |      | 12.968 |

* The quicksilver in the basin of the barometer, is 81 feet above the level of low water spring tides at Somerset-house.

† The Society's Rain Gage is 114 feet above the same level, and 75 feet 6 inches above the surrounding ground.

Mean Variation of the Magnetic Needle, June, 1815, 24° 17' 50" West.