{ "id": "687b9e74f33c34d21a6af2351fcaf9dda760e2ca", "text": "METEOROLOGICAL JOURNAL,\n\nKEPT BY THE ASSISTANT SECRETARY\n\nAT THE APARTMENTS OF THE\n\nROYAL SOCIETY,\n\nBY ORDER OF\n\nTHE PRESIDENT AND COUNCIL.\n\nMDCCCXXXIII.\n## METEOROLOGICAL JOURNAL FOR JANUARY, 1833.\n\n| 1833. | January. | 9 o'clock, A.M. | 3 o'clock, P.M. | Dew Point at 9 A.M., in degrees of Fahr. | External Thermometer. | Rain, in inches. | Direction of the Wind at 9 A.M. | Remarks. |\n|-------|----------|-----------------|-----------------|----------------------------------------|----------------------|----------------|-----------------------------|---------|\n| | | Barom. | Attach. Therm. | Barom. | Att. ch. Toerm. | Fahrenheit. | Self-registering. | Lowest. | Highest. | 9 A.M. | 3 P.M. | Sum | |\n| ☀️ 1 | 30.453 | 41.2 | 30.426 | 42.2 | 34 | 34.7 | 38.0 | 33.7 | 42.7 | 0.088 | WSW | ☀️ A.M. Overcast. P.M. Fine—light clouds. |\n| ☀️ 2 | 30.082 | 43.8 | 30.031 | 45.2 | 43 | 43.7 | 46.6 | 34.3 | 46.6 | 0.017 | SSW | ☀️ Strong fog. |\n| ☀️ 3 | 30.426 | 45.0 | 30.492 | 45.4 | 42 | 41.9 | 43.0 | 40.5 | 43.0 | NNE | ☀️ Overcast—light fog. |\n| ☀️ 4 | 30.589 | 42.7 | 30.517 | 42.3 | 35 | 36.7 | 36.5 | 34.7 | 36.5 | N | ☀️ Overcast—light haze. |\n| ☀️ 5 | 30.386 | 40.6 | 30.334 | 41.5 | 31 | 34.4 | 38.0 | 30.3 | 38.0 | N | ☀️ Lightly cloudy—light wind. |\n| ☀️ 6 | 30.455 | 40.7 | 30.485 | 41.4 | 28 | 35.0 | 35.9 | 29.9 | 35.9 | W | ☀️ Fine—lightly overcast. |\n| ☀️ 7 | 30.589 | 38.8 | 30.592 | 39.8 | 31 | 32.6 | 37.8 | 29.3 | 37.8 | WSW | ☀️ Lightly overcast—hazy.—Hoar frost A.M. |\n| ☀️ 8 | 30.695 | 39.8 | 30.681 | 40.8 | 36 | 36.7 | 39.0 | 31.0 | 39.0 | N | ☀️ Foggy. |\n| ☀️ 9 | 30.608 | 39.8 | 30.539 | 39.7 | 28 | 34.8 | 35.8 | 34.0 | 35.8 | E | ☀️ Overcast. |\n| ☀️ 10 | 30.288 | 37.2 | 30.146 | 37.0 | 28 | 28.8 | 31.7 | 27.7 | 31.7 | ENE | ☀️ Fine and cloudless—light haze. |\n| ☀️ 11 | 29.928 | 36.3 | 29.814 | 38.7 | 32 | 32.2 | 38.0 | 27.8 | 38.0 | E | ☀️ Overcast—hazy.—Hoar frost, A.M. |\n| ☀️ 12 | 29.861 | 38.2 | 29.838 | 40.0 | 34 | 34.9 | 39.5 | 31.5 | 39.5 | ENE | ☀️ Overcast—hazy—Rain at night. Hoar frost A.M. |\n| ☀️ 13 | 29.909 | 40.7 | 29.958 | 42.3 | 39 | 39.3 | 41.6 | 34.3 | 41.6 | E | ☀️ Fog and deposition.—Light wind P.M. |\n| ☀️ 14 | 30.229 | 42.8 | 30.213 | 45.5 | 41 | 41.8 | 41.8 | 38.6 | 41.8 | E | ☀️ A.M. Fog and deposition. P.M. Light rain and wind. |\n| ☀️ 15 | 30.192 | 41.6 | 30.138 | 43.2 | 38 | 39.1 | 40.2 | 35.6 | 40.2 | E | ☀️ Overcast. |\n| ☀️ 16 | 30.211 | 42.4 | 30.180 | 43.7 | 34 | 39.6 | 41.2 | 36.8 | 41.2 | NNE | ☀️ Overcast—light haze. |\n| ☀️ 17 | 30.164 | 42.4 | 30.079 | 46.0 | 37 | 38.1 | 42.2 | 36.4 | 42.7 | NNE | ☀️ A.M. Cloudless—light haze and wind. |\n| ☀️ 18 | 30.099 | 42.4 | 30.126 | 43.3 | 35 | 37.6 | 39.7 | 35.8 | 39.7 | NNE | ☀️ P.M. Light rain. |\n| ☀️ 19 | 30.268 | 41.5 | 30.271 | 42.2 | 32 | 36.3 | 37.9 | 35.3 | 37.9 | NNE | ☀️ Overcast—hazy. |\n| ☀️ 20 | 30.264 | 41.7 | 30.313 | 42.7 | 36 | 37.7 | 36.8 | 35.6 | 37.7 | ENE | ☀️ Overcast—light haze. |\n| ☀️ 21 | 30.324 | 38.4 | 30.297 | 39.2 | 30 | 36.5 | 35.8 | 29.7 | 36.5 | E | ☀️ Fine and cloudless—light haze. |\n| ☀️ 22 | 30.398 | 36.4 | 30.426 | 38.2 | 25 | 29.8 | 35.0 | 27.8 | 35.0 | ESE | ☀️ Fine and cloudless. |\n| ☀️ 23 | 30.564 | 36.3 | 30.566 | 37.8 | 27 | 28.9 | 36.6 | 27.3 | 36.6 | E | ☀️ A.M. Haze. P.M. Cloudless—light haze. |\n| ☀️ 24 | 30.479 | 36.4 | 30.416 | 38.7 | 33 | 34.0 | 36.3 | 27.9 | 36.3 | NNE | ☀️ A.M. Haze and hoar frost. P.M. Fine and cloudless. |\n| ☀️ 25 | 30.237 | 36.8 | 30.168 | 38.2 | 31 | 31.7 | 35.6 | 29.3 | 35.6 | ☀️ Overcast—hoar frost. |\n| ☀️ 26 | 30.132 | 38.7 | 30.110 | 40.3 | 34 | 34.3 | 39.7 | 31.1 | 39.7 | W | ☀️ Overcast—light haze. |\n| ☀️ 27 | 30.169 | 39.6 | 30.092 | 42.5 | 34 | 34.3 | 41.2 | 31.6 | 41.2 | W | ☀️ Clear and cloudless.—Light haze and hoar frost A.M. |\n| ☀️ 28 | 29.982 | 40.7 | 29.885 | 43.6 | 36 | 38.2 | 44.2 | 33.7 | 44.2 | WSW | ☀️ Fine—lightly cloudy.—Light wind and haze A.M. |\n| ☀️ 29 | 29.427 | 43.3 | 29.263 | 44.0 | 40 | 40.2 | 41.2 | 37.6 | 41.2 | E | ☀️ Overcast—light rain. |\n| ☀️ 30 | 29.543 | 43.4 | 29.663 | 43.8 | 38 | 39.3 | 39.3 | 36.8 | 39.3 | WSW | ☀️ A.M. Light fog. P.M. Fine light clouds and wind. |\n| ☀️ 31 | 29.740 | 40.8 | 29.614 | 41.7 | 31 | 33.2 | 37.0 | 30.7 | 37.0 | WNW | ☀️ A.M. Light haze and hoar frost. P.M. Snow. |\n\nMean Mean Mean Mean Mean Mean Mean Mean Mean Mean Mean Mean\n\nMean Mean Mean Mean Mean Mean Mean Mean Mean Mean Mean Mean\n\nMonthly Mean of the Barometer, corrected for Capillarity and reduced to 32° Fahr. ................. { 9 A.M. 3 P.M. }\n{ 30.191 30.154 }\n\n### OBSERVANDA.\n\nHeight of the Cistern of the Barometer above a Fixed Mark on Waterloo Bridge.......................... = 83 feet 2½ in.\n\n——— above the mean level of the Sea (presumed about) ........................................... = 95 feet.\n\nThe External Thermometer is 2 feet higher than the Barometer Cistern.\n\nHeight of the Receiver of the Rain Gauge above the Court of Somerset House.......................... = 79 feet.\n\nThe hours of observation are of Mean Time, the day beginning at Midnight.\n\nThe Thermometers are graduated by Fahrenheit's Scale.\n\nThe Barometer is divided into inches and decimals.\n## METEOROLOGICAL JOURNAL FOR FEBRUARY, 1833.\n\n| 1833. February | 9 o'clock, A.M. | 3 o'clock, P.M. | Dew Point at 9 A.M. | External Thermometer | Rain, in inches. Read off at 9 A.M. | Direction of the Wind at 9 A.M. | Remarks |\n|----------------|-----------------|-----------------|--------------------|----------------------|----------------------------------|-------------------------------|---------|\n| | Barom. Attach. Therm. | Barom. Attach. Therm. | Self-registering | Lowest. Highest. | | | |\n| | | | Fahrenheit. | | | | |\n| | | | 9 A.M. | 3 P.M. | | | |\n| Q 1 | 29.435 | 41.9 | 29.608 | 42.3 | 36 | 37.2 | 39.2 | 32.4 | 44.7 | NW var. |\n| h 2 | 29.971 | 44.0 | 28.794 | 46.7 | 44 | 45.3 | 52.6 | 34.7 | 52.6 | SSW var. |\n| O 3 | 29.041 | 46.5 | 29.299 | 49.4 | 42 | 46.3 | 48.3 | 41.3 | 49.0 | WSW var. |\n| O D 4 | 29.679 | 46.7 | 29.768 | 49.8 | 44 | 44.0 | 54.2 | 41.3 | 54.2 | WSW |\n| O 5 | 29.875 | 51.3 | 29.913 | 53.8 | 51 | 51.2 | 55.2 | 43.5 | 55.2 | SW |\n| O 6 | 30.039 | 51.9 | 29.952 | 54.2 | 48 | 48.8 | 50.7 | 44.7 | 51.2 | SSW |\n| O 7 | 29.823 | 52.0 | 29.938 | 53.8 | 49 | 49.4 | 52.3 | 46.5 | 52.3 | W |\n| Q 8 | 29.739 | 52.6 | 29.742 | 55.2 | 49 | 50.4 | 54.3 | 44.8 | 54.6 | SSW |\n| h 9 | 29.660 | 51.3 | 29.750 | 52.5 | 43 | 43.1 | 47.0 | 42.2 | 47.0 | SSW |\n| O O 10 | 29.390 | 50.4 | 29.271 | 52.6 | 47 | 47.6 | 51.8 | 39.4 | 52.2 | SSW |\n| O 11 | 29.420 | 51.2 | 29.471 | 53.3 | 42 | 48.2 | 52.0 | 46.4 | 52.3 | SW |\n| O 12 | 29.555 | 50.3 | 29.645 | 52.8 | 44 | 47.8 | 50.7 | 40.7 | 51.6 | WSW |\n| O 13 | 29.353 | 51.5 | 29.332 | 53.2 | 48 | 48.2 | 50.3 | 45.7 | 50.6 | W |\n| O 14 | 29.286 | 50.8 | 29.475 | 52.4 | 42 | 46.2 | 48.3 | 44.3 | 48.7 | WSW |\n| Q 15 | 29.160 | 48.3 | 29.338 | 49.4 | 36 | 41.1 | 43.6 | 37.3 | 44.6 | NNW |\n| h 16 | 29.657 | 45.3 | 29.688 | 47.7 | 33 | 36.6 | 44.2 | 33.0 | 44.2 | WSW |\n| O 17 | 29.739 | 44.7 | 29.617 | 47.4 | 33 | 39.5 | 44.1 | 35.6 | 44.5 | WSW |\n| O 18 | 29.525 | 45.8 | 29.573 | 48.3 | 41 | 41.7 | 47.5 | 38.8 | 47.5 | WSW |\n| O 19 | 29.847 | 45.3 | 29.871 | 48.0 | 37 | 40.7 | 45.6 | 36.6 | 46.1 | WNW |\n| O 20 | 29.083 | 48.3 | 29.080 | 47.6 | 40 | 45.2 | 44.7 | 40.2 | 44.7 | SSW var. |\n| O 21 | 29.760 | 46.3 | 29.917 | 48.0 | 42 | 43.2 | 45.8 | 39.8 | 45.8 | N var. |\n| Q 22 | 30.031 | 45.7 | 29.998 | 47.2 | 40 | 41.3 | 42.3 | 39.6 | 43.6 | E |\n| h 23 | 29.880 | 43.4 | 29.798 | 45.5 | 35 | 37.3 | 42.4 | 33.0 | 42.4 | NNE |\n| O 24 | 29.521 | 43.2 | 29.413 | 44.6 | 39 | 38.9 | 42.3 | 35.3 | 42.3 | E |\n| O 25 | 29.571 | 44.6 | 29.558 | 47.2 | 41 | 41.2 | 46.0 | 37.3 | 46.3 | WSW |\n| O 26 | 29.329 | 47.0 | 29.202 | 49.0 | 45 | 47.1 | 49.2 | 38.8 | 49.2 | SSE |\n| Q 27 | 29.097 | 47.3 | 29.083 | 49.3 | 43 | 43.5 | 46.2 | 41.3 | 46.2 | ESE |\n| O 28 | 29.287 | 46.3 | 28.948 | 47.5 | 40 | 41.0 | 42.3 | 35.7 | 43.7 | SE |\n\nMean Mean Mean Mean Mean Mean Mean Mean Sum\n\n| Mean Mean Mean Mean Mean Mean Mean Mean |\n|----------------------------------------|\n| 29.563 47.6 29.537 49.6 41.9 44.0 47.6 39.6 48.1 1,241 |\n\nMonthly Mean of the Barometer, corrected for Capillarity and reduced to 32° Fahr. ................. { 9 A.M. 29.510 } { 3 P.M. 29.478 }\n\n### OBSERVANDA.\n\nHeight of the Cistern of the Barometer above a Fixed Mark on Waterloo Bridge ...................... = 83 feet 2½ in.\n\n— above the mean level of the Sea (presumed about) .................. = 95 feet.\n\nThe External Thermometer is 2 feet higher than the Barometer Cistern.\n\nHeight of the Receiver of the Rain Gauge above the Court of Somerset House ..................... = 79 feet.\n\nThe hours of observation are of Mean Time, the day beginning at Midnight.\n\nThe Thermometers are graduated by Fahrenheit’s Scale.\n\nThe Barometer is divided into inches and decimals.\n## METEOROLOGICAL JOURNAL FOR MARCH, 1833.\n\n| 1833. March | 9 o'clock, A.M. | 3 o'clock, P.M. | Dew Point at 9 A.M. in degrees of Fahr. | External Thermometer | Rain, in inches. Read off at 9 A.M. | Direction of the Wind at 9 A.M. | Remarks |\n|-------------|-----------------|-----------------|----------------------------------------|---------------------|-----------------------------------|-----------------------------|---------|\n| | Barom. Attach. Therm. | Barom. Attach. Therm. | Fahrenheit. | Self-registering. Lowest. Highest. | 9 A.M. | 3 P.M. | SW | Fine—light clouds and wind. |\n| ♀ 1 | 29.023 | 46.3 | 29.162 | 48.7 | 38 | 41.9 | 47.3 | 37.3 | 47.3 | 0.008 | SW | Fine—light clouds and wind. |\n| ♀ 2 | 29.730 | 45.3 | 29.810 | 48.3 | 36 | 40.2 | 48.8 | 35.3 | 48.8 | WSW | Cloudless—haze. |\n| ♀ 3 | 29.792 | 49.3 | 29.742 | 51.7 | 44 | 47.9 | 52.7 | 39.7 | 53.8 | S | Fine—light clouds and haze. |\n| ♀ 4 | 29.705 | 50.0 | 29.772 | 52.7 | 44 | 47.8 | 53.8 | 45.7 | 54.2 | ESE | Fine—lightly cloudy. |\n| ♀ 5 | 30.004 | 48.3 | 30.037 | 51.7 | 38 | 39.8 | 51.9 | 37.8 | 51.9 | SW | A.M. Cloudless. P.M. Hazy. |\n| ♀ 6 | 30.123 | 48.7 | 30.142 | 49.8 | 42 | 43.1 | 45.4 | 39.5 | 45.4 | NNW | Lightly cloudy—light wind. |\n| ♀ 7 | 30.273 | 46.2 | 30.309 | 47.3 | 37 | 40.7 | 43.2 | 36.5 | 43.3 | NNE | Fine—light clouds and wind. |\n| ♀ 8 | 30.291 | 42.8 | 30.265 | 43.5 | 27 | 36.2 | 36.9 | 32.7 | 37.3 | NNE | Fine—light clouds and wind.—Light snow at 1 P.M. |\n| ♀ 9 | 30.144 | 39.7 | 30.041 | 42.3 | 33 | 35.1 | 39.4 | 30.2 | 38.5 | NNE | A.M. Light snow. P.M. Fine—light clouds. |\n| ♀ 10 | 29.956 | 40.3 | 29.950 | 42.7 | 30 | 37.8 | 40.4 | 33.3 | 40.4 | NNEvar. | A.M. Overcast. P.M. Fine—light brisk wind. |\n| ♀ 11 | 30.037 | 39.4 | 30.039 | 41.8 | 34 | 35.7 | 39.8 | 32.3 | 39.8 | N | Cloudy—light wind. |\n| ♀ 12 | 30.045 | 38.8 | 29.893 | 41.0 | 26 | 35.8 | 39.3 | 33.3 | 39.3 | NNE | Cloudy—light wind. |\n| ♀ 13 | 29.742 | 39.3 | 29.590 | 40.3 | 25 | 34.3 | 37.9 | 29.4 | 37.9 | ESE | Overcast—light haze. |\n| ♀ 14 | 29.352 | 37.7 | 29.295 | 40.7 | 24 | 31.2 | 38.2 | 27.8 | 38.3 | E | Cloudless—light haze and wind. |\n| ♀ 15 | 29.389 | 38.6 | 29.419 | 42.6 | 31 | 37.2 | 43.2 | 29.8 | 43.2 | E | Fine—light clouds and wind. |\n| ♀ 16 | 29.495 | 42.7 | 29.451 | 46.5 | 41 | 42.5 | 46.7 | 36.5 | 47.3 | E | Light wind.—A.M. Cloudy. P.M. Cloudless. |\n| ♀ 17 | 29.547 | 43.2 | 29.566 | 43.7 | 36 | 40.1 | 39.6 | 38.7 | 39.6 | ENE | A.M. Overcast—light fog and wind. P.M. Rain. |\n| ♀ 18 | 29.687 | 42.4 | 29.752 | 43.7 | 40 | 40.3 | 40.5 | 37.2 | 40.7 | 0.167 | N | A.M. Rain, early. P.M. Overcast. |\n| ♀ 19 | 29.965 | 41.9 | 29.980 | 45.3 | 35 | 38.8 | 44.2 | 35.2 | 44.2 | 0.019 | N | Overcast. |\n| ♀ 20 | 30.125 | 41.3 | 30.029 | 44.6 | 32 | 36.5 | 43.5 | 29.8 | 43.5 | NNW | A.M. Overcast—light wind and haze. P.M. Fine—light clouds. |\n| ♀ 21 | 29.877 | 42.3 | 29.837 | 44.7 | 35 | 38.8 | 39.4 | 32.6 | 42.3 | W | A.M. Overcast. P.M. Cloudless. |\n| ♀ 22 | 29.908 | 41.3 | 29.899 | 44.2 | 28 | 36.8 | 40.7 | 33.4 | 40.7 | N | Overcast.—Snow at 3½ P.M. |\n| ♀ 23 | 29.914 | 39.5 | 29.896 | 42.4 | 33 | 33.9 | 40.0 | 28.4 | 40.0 | 0.008 | N | A.M. Snow early. P.M. Cloudy. |\n| ♀ 24 | 29.934 | 38.9 | 29.903 | 43.3 | 31 | 35.8 | 42.0 | 30.1 | 42.0 | N | Overcast—light haze.—Evening, light rain and snow. |\n| ♀ 25 | 29.830 | 41.4 | 29.780 | 43.4 | 38 | 38.8 | 42.7 | 34.8 | 42.7 | 0.058 | NNE | A.M. Fine—light clouds and haze. P.M. Overcast. |\n| ♀ 26 | 29.850 | 42.3 | 29.905 | 45.3 | 33 | 38.4 | 43.2 | 3.8 | 43.2 | 0.319 | S | A.M. Snow early. Fine. P.M. Overcast. |\n| ♀ 27 | 30.076 | 42.8 | 30.039 | 44.6 | 37 | 40.4 | 42.0 | 34.4 | 42.0 | ESE | A.M. Fine. P.M. Overcast. |\n| ♀ 28 | 30.011 | 44.3 | 29.970 | 48.0 | 42 | 42.2 | 50.2 | 35.2 | 50.7 | SSE | Fine—light clouds. |\n| ♀ 29 | 29.920 | 45.6 | 29.792 | 49.7 | 36 | 42.6 | 50.9 | 36.5 | 51.7 | SW | Lightly overcast—foggy. |\n| ♀ 30 | 29.710 | 47.6 | 29.728 | 51.6 | 40 | 43.9 | 50.4 | 37.7 | 50.8 | 0.008 | W | A.M. Cloudless. P.M. Cloudy. |\n| ♀ 31 | 29.795 | 47.8 | 29.703 | 51.7 | 38 | 43.6 | 52.7 | 36.9 | 53.5 | WNW | A.M. Cloudless—haze. P.M. Fine and clear—light clouds. |\n\nMean Mean Mean Mean Mean Mean Mean Mean Sum\n\n| Mean | Mean | Mean | Mean | Mean | Mean | Mean | Mean | Sum |\n|------|------|------|------|------|------|------|------|-----|\n| 29.847 | 43.1 | 29.829 | 45.7 | 35.0 | 39.2 | 44.1 | 34.6 | 44.3 | 0.587 |\n\nMonthly Mean of the Barometer, corrected for Capillarity and reduced to 32° Fahr. ................. {9 A.M. 3 P.M.} {29.811 29.784}\n\n### OBSERVANDA.\n\nHeight of the Cistern of the Barometer above a Fixed Mark on Waterloo Bridge...................... = 83 feet 2½ in.\n\nabove the mean level of the Sea (presumed about) .................. = 95 feet.\n\nThe External Thermometer is 2 feet higher than the Barometer-Cistern.\n\nHeight of the Receiver of the Rain Gauge above the Court of Somerset House ...................... = 79 feet.\n\nThe hours of observation are of Mean Time, the day beginning at Midnight.\n\nThe Thermometers are graduated by Fahrenheit’s Scale.\n\nThe Barometer is divided into inches and decimals.\n## METEOROLOGICAL JOURNAL FOR APRIL, 1833.\n\n| 9 o'clock, A.M. | 3 o'clock, P.M. | External Thermometer | Rain, in inches. Read off at 9 A.M. | Direction of the Wind at 9 A.M. | Remarks |\n|-----------------|-----------------|----------------------|-----------------------------------|-------------------------------|---------|\n| Barom. | Attach. Therm. | Barom. | Attach. Therm. | Fahrenheit. | Self-registering. Lowest. Highest. |\n| 9 A.M. | 3 P.M. | | | | |\n| 1833. April. | | | | | |\n| D 1 | 29.130 | 48.0 | 28.968 | 52.2 | 46 | 46.1 | 54.1 | 41.9 | 54.5 | 0.222 | E |\n| D 2 | 29.033 | 51.7 | 29.093 | 52.2 | 45 | 49.8 | 51.1 | 45.6 | 51.1 | 0.161 | SSW |\n| D 3 | 29.488 | 52.3 | 29.594 | 55.3 | 50 | 50.6 | 57.0 | 46.4 | 57.3 | 0.014 | WSW |\n| O 4 | 29.521 | 52.4 | 29.469 | 56.7 | 49 | 49.4 | 57.0 | 44.3 | 57.0 | SSE |\n| O 5 | 29.817 | 54.8 | 29.917 | 57.3 | 42 | 49.6 | 55.4 | 44.3 | 55.6 | 0.033 | W |\n| I 6 | 30.002 | 54.4 | 29.942 | 56.3 | 39 | 48.0 | 55.0 | 44.1 | 55.4 | 0.103 | W |\n| O 7 | 29.857 | 50.3 | 29.827 | 54.3 | 42 | 43.3 | 53.6 | 38.3 | 53.8 | 0.014 | NNE |\n| D 8 | 29.965 | 51.1 | 29.994 | 54.8 | 43 | 47.8 | 54.7 | 40.2 | 55.2 | NNE |\n| D 9 | 30.108 | 51.7 | 30.027 | 55.3 | 43 | 47.7 | 52.2 | 39.3 | 55.1 | WSW |\n| D 10 | 29.857 | 53.7 | 29.701 | 56.4 | 47 | 52.8 | 55.4 | 45.4 | 57.3 | 0.007 | WSW |\n| D 11 | 29.409 | 53.5 | 29.315 | 54.4 | 41 | 48.7 | 51.4 | 40.8 | 52.0 | 0.153 | WSW |\n| D 12 | 29.346 | 51.9 | 29.453 | 53.5 | 39 | 46.8 | 48.8 | 37.4 | 51.0 | 0.133 | SW |\n| I 13 | 29.747 | 51.2 | 29.687 | 53.0 | 36 | 46.1 | 51.2 | 40.3 | 52.3 | 0.047 | NNE |\n| O 14 | 29.425 | 50.7 | 29.463 | 52.8 | 38 | 44.3 | 49.2 | 40.6 | 50.4 | 0.044 | NNW |\n| D 15 | 29.526 | 49.7 | 29.345 | 51.3 | 39 | 46.9 | 46.2 | 35.4 | 50.3 | 0.111 | SSW |\n| D 16 | 29.404 | 47.6 | 29.467 | 50.6 | 36 | 44.2 | 46.9 | 34.0 | 48.6 | 0.294 | NNE |\n| D 17 | 29.584 | 46.8 | 29.566 | 49.4 | 37 | 42.8 | 44.3 | 34.7 | 48.6 | NNW |\n| D 18 | 29.661 | 46.3 | 29.720 | 49.4 | 37 | 42.2 | 49.0 | 38.3 | 49.0 | 0.039 | NNE |\n| D 19 | 29.978 | 49.3 | 30.011 | 51.3 | 36 | 45.2 | 51.6 | 36.6 | 54.3 | 0.019 | SW |\n| D 20 | 30.086 | 49.4 | 30.089 | 53.4 | 44 | 48.0 | 54.8 | 40.8 | 55.8 | 0.019 | W |\n| D 21 | 30.196 | 51.7 | 30.187 | 53.4 | 40 | 49.3 | 53.9 | 41.3 | 55.2 | 0.012 | E |\n| D 22 | 30.219 | 51.8 | 30.196 | 54.3 | 42 | 50.8 | 58.0 | 40.7 | 59.3 | W |\n| D 23 | 30.204 | 52.9 | 30.162 | 55.3 | 44 | 50.3 | 58.4 | 44.7 | 58.4 | N |\n| D 24 | 30.023 | 54.6 | 30.025 | 57.0 | 46 | 52.8 | 54.2 | 49.8 | 56.2 | 0.008 | E |\n| D 25 | 30.231 | 53.3 | 30.249 | 54.3 | 45 | 49.8 | 50.2 | 46.4 | 50.4 | 0.014 | NE |\n| D 26 | 30.265 | 54.4 | 30.208 | 58.3 | 44 | 50.0 | 61.2 | 40.2 | 61.4 | 0.014 | WSW |\n| D 27 | 30.071 | 58.2 | 29.994 | 60.4 | 53 | 54.2 | 60.4 | 50.3 | 62.4 | WSW |\n| D 28 | 29.764 | 58.7 | 29.746 | 60.4 | 44 | 54.6 | 54.4 | 50.3 | 58.3 | 0.061 | WNW |\n| D 29 | 29.630 | 56.9 | 29.562 | 58.4 | 42 | 49.2 | 55.2 | 40.3 | 56.5 | 0.017 | W |\n| D 30 | 29.655 | 56.5 | 29.645 | 58.7 | 39 | 49.6 | 56.4 | 38.7 | 59.6 | W |\n\n### Monthly Mean of the Barometer, corrected for Capillarity and reduced to 32° Fahr.\n\n| Mean | Mean | Mean | Mean | Mean | Mean | Mean | Mean | Sum |\n|------|------|------|------|------|------|------|------|-----|\n| 29.773 | 52.2 | 29.754 | 54.7 | 42.3 | 48.4 | 53.3 | 41.7 | 54.7 | 1,539 |\n\n### OBSERVANDA.\n\nHeight of the Cistern of the Barometer above a Fixed Mark on Waterloo Bridge = 83 feet 2½ in.\n\nabove the mean level of the Sea (presumed about) = 95 feet.\n\nThe External Thermometer is 2 feet higher than the Barometer Cistern.\n\nHeight of the Receiver of the Rain Gauge above the Court of Somerset House = 79 feet.\n\nThe hours of observation are of Mean Time, the day beginning at Midnight.\n\nThe Thermometers are graduated by Fahrenheit's Scale.\n\nThe Barometer is divided into inches and decimals.\n## METEOROLOGICAL JOURNAL FOR MAY, 1833.\n\n| 9 o'clock, A.M. | 3 o'clock, P.M. | Dew Point at 9 A.M. in degrees of Fahr. | External Thermometer | Rain, in inches, Read off at 9 A.M. | Direction of the Wind at 9 A.M. | Remarks |\n|-----------------|-----------------|----------------------------------------|---------------------|-----------------------------------|-------------------------------|---------|\n| Barom. | Attach. Ther. | Barom. | Attach. Ther. | Fahrenheit. | Self-registering Lowest. Highest. | SSE |\n| 29.703 | 59.3 | 29.628 | 60.2 | 44 | 53.3 | 54.3 | 43.4 | 57.7 | 0.011 | SSE |\n| 29.529 | 56.4 | 29.586 | 58.0 | 51 | 53.2 | 56.7 | 50.7 | 57.8 | SSE |\n| 29.824 | 58.8 | 29.857 | 62.8 | 54 | 56.5 | 65.2 | 50.7 | 66.3 | S |\n| 29.942 | 64.6 | 29.966 | 67.2 | 59 | 63.3 | 74.3 | 54.8 | 75.6 | SSE |\n| 30.300 | 68.7 | 30.344 | 68.8 | 51 | 62.3 | 70.4 | 57.3 | 70.4 | S |\n| 30.527 | 65.6 | 30.509 | 68.4 | 49 | 60.3 | 65.0 | 50.3 | 70.3 | E |\n| 30.441 | 65.6 | 30.328 | 67.2 | 46 | 60.3 | 65.3 | 48.8 | 68.0 | E |\n| 30.109 | 60.9 | 30.006 | 64.9 | 53 | 54.0 | 65.8 | 51.6 | 66.7 | E |\n| 29.851 | 66.2 | 29.808 | 68.7 | 57 | 66.2 | 72.2 | 52.3 | 73.4 | E |\n| 29.971 | 64.3 | 30.006 | 67.0 | 55 | 58.0 | 65.6 | 50.8 | 66.4 | SSW |\n| 30.105 | 62.7 | 30.095 | 65.5 | 52 | 57.8 | 66.2 | 52.2 | 66.5 | NW |\n| 30.113 | 68.9 | 30.029 | 69.6 | 56 | 65.8 | 73.8 | 53.8 | 75.7 | SSE |\n| 30.071 | 71.3 | 30.103 | 70.8 | 54 | 67.2 | 72.4 | 57.0 | 73.7 | W |\n| 30.246 | 68.8 | 30.176 | 70.3 | 54 | 64.2 | 72.8 | 53.5 | 74.3 | WSW |\n| 30.031 | 72.4 | 29.950 | 72.6 | 55 | 73.8 | 79.5 | 58.4 | 81.4 | E |\n| 29.950 | 76.8 | 29.961 | 75.3 | 56 | 74.2 | 78.6 | 63.4 | 80.3 | S |\n| 29.874 | 76.8 | 29.901 | 75.7 | 59 | 76.6 | 79.5 | 61.2 | 81.0 | ESE |\n| 30.274 | 67.3 | 30.192 | 66.6 | 49 | 61.7 | 56.3 | 52.6 | 64.3 | NNE |\n| 30.145 | 65.9 | 30.186 | 70.0 | 57 | 61.1 | 70.0 | 54.2 | 71.1 | 0.361 |\n| 30.422 | 69.6 | 30.393 | 70.4 | 56 | 62.2 | 72.6 | 53.3 | 73.7 | SSW |\n| 30.433 | 71.0 | 30.384 | 71.1 | 57 | 66.2 | 71.5 | 54.2 | 72.8 | 0.008 |\n| 30.428 | 71.3 | 30.376 | 71.2 | 58 | 65.8 | 73.2 | 52.3 | 73.4 | WNW |\n| 30.348 | 72.3 | 30.259 | 72.0 | 56 | 67.7 | 74.8 | 52.7 | 75.7 | E |\n| 30.119 | 74.7 | 30.026 | 74.7 | 51 | 70.5 | 75.4 | 56.9 | 80.4 | NNE |\n| 30.234 | 64.6 | 30.263 | 67.3 | 39 | 55.8 | 60.4 | 52.4 | 61.7 | NE var. |\n| 30.344 | 66.3 | 30.281 | 65.8 | 36 | 57.2 | 62.8 | 47.2 | 63.4 | E |\n| 30.288 | 69.3 | 30.192 | 68.3 | 47 | 62.8 | 71.7 | 48.3 | 71.8 | WSW |\n| 30.194 | 71.3 | 30.184 | 69.3 | 47 | 62.8 | 64.2 | 50.3 | 65.4 | N |\n| 30.301 | 70.3 | 30.277 | 67.9 | 48 | 61.3 | 61.3 | 50.3 | 64.7 | E |\n| 30.289 | 69.4 | 30.234 | 67.5 | 45 | 64.2 | 68.2 | 46.3 | 70.8 | E |\n\nMean Mean Mean Mean Mean Mean Mean Mean Sum\n\n| 30.152 | 67.8 | 30.123 | 68.7 | 51.7 | 62.8 | 68.7 | 52.9 | 70.4 | 0.380 |\n\nMonthly Mean of the Barometer, corrected for Capillarity and reduced to 32° Fahr. ............... { 9 A.M. 3 P.M. }\n{ 30.044 30.012 }\n\n### OBSERVANDA.\n\nHeight of the Cistern of the Barometer above a Fixed Mark on Waterloo Bridge ...................... = 83 feet 2½ in.\nabove the mean level of the Sea (presumed about) ........................................... = 95 feet.\n\nThe External Thermometer is 2 feet higher than the Barometer Cistern.\n\nHeight of the Receiver of the Rain Gauge above the Court of Somerset House .................... = 79 feet.\n\nThe hours of observation are of Mean Time, the day beginning at Midnight.\n\nThe Thermometers are graduated by Fahrenheit's Scale.\n\nThe Barometer is divided into inches and decimals.\n## METEOROLOGICAL JOURNAL FOR JUNE, 1833.\n\n| 9 o'clock, A.M. | 3 o'clock, P.M. | External Thermometer. | Rain, in inches. Read off at 9 A.M. | Direction of the Wind at 9 A.M. | Remarks. |\n|-----------------|-----------------|-----------------------|-----------------------------------|-------------------------------|----------|\n| Barom. | Attach. Therm. | Barom. | Attach. Therm. | Fahrenheit. | Self-registering. Lowest, Highest. |\n| 1833. June. | | | | | |\n| 1 | 30.114 | 70.9 | 30.021 | 69.3 | 50 | 70.4 | 74.3 | 51.7 | 76.3 | SE | Cloudbess.—A.M. Light cloudiness. |\n| O | 2 | 29.746 | 67.5 | 29.656 | 70.4 | 46 | 64.8 | 70.8 | 60.5 | W | Overcast.—Rain, evening and night. |\n| D | 3 | 29.537 | 73.4 | 29.552 | 70.6 | 50 | 62.7 | 67.6 | 53.7 | SW | Fine and clear—cloudy. |\n| G | 4 | 29.624 | 70.3 | 29.617 | 69.9 | 50 | 62.5 | 64.3 | 49.7 | S | Fine—lightly cloudy. |\n| Y | 5 | 29.756 | 72.8 | 29.756 | 70.0 | 49 | 63.8 | 68.7 | 50.0 | WSW| Fine—lightly cloudy.—Light shower |\n| U | 6 | 29.855 | 72.3 | 29.833 | 70.7 | 50 | 67.9 | 70.7 | 51.8 | S | Fine—light clouds. |\n| F | 7 | 30.045 | 74.0 | 30.070 | 72.4 | 56 | 67.6 | 73.5 | 58.3 | W | Lightly cloudy. |\n| H | 8 | 30.182 | 71.3 | 30.218 | 72.3 | 57 | 65.4 | 70.4 | 57.8 | WSW| A.M. Lowering. P.M. Fine—light clouds and wind. |\n| O | 9 | 30.347 | 77.3 | 30.328 | 73.5 | 55 | 68.7 | 78.0 | 54.3 | WNW| Fine and cloudless—light airs. |\n| D | 10 | 30.307 | 70.6 | 30.181 | 73.2 | 58 | 65.5 | 79.5 | 56.3 | WSW| Fine.—A.M. Cloudless—haze. P.M. Light clouds. |\n| G | 11 | 29.746 | 77.8 | 29.710 | 73.3 | 60 | 68.8 | 62.8 | 61.4 | SSWvar.| Fine and clear—cloudy—violent high wind. |\n| Y | 12 | 29.778 | 68.7 | 29.800 | 69.8 | 49 | 60.3 | 61.2 | 52.3 | W var.| Cloudy—light unsteady wind. |\n| U | 13 | 29.641 | 64.4 | 29.497 | 66.2 | 53 | 56.7 | 59.8 | 51.7 | S | Overcast—light rain and wind. |\n| F | 14 | 29.431 | 70.6 | 29.513 | 67.4 | 51 | 60.9 | 60.8 | 50.3 | WNW| Lightly overcast and cloudy. |\n| H | 15 | 29.891 | 65.5 | 29.909 | 66.0 | 44 | 59.2 | 61.7 | 46.6 | 0.014| E | A.M. Cloudless—faint haze. P.M. Clear. |\n| O | 16 | 29.687 | 63.3 | 29.742 | 67.8 | 59 | 59.4 | 69.9 | 56.3 | SSEvar.| A.M. Rain. P.M. Clear—cloudy. |\n| D | 17 | 29.884 | 71.3 | 29.875 | 69.7 | 51 | 65.6 | 67.2 | 54.6 | SSW| Evening and clear—light brisk wind. |\n| G | 18 | 30.122 | 73.3 | 30.130 | 69.9 | 54 | 66.8 | 70.0 | 52.8 | SSW| Fine—lightly cloudy.—Evening, rain, rain P.M. |\n| Y | 19 | 30.087 | 68.8 | 30.027 | 70.2 | 53 | 65.3 | 66.7 | 56.7 | SSW| Lightly overcast and cloudy.—Light A.M. Lightly cloudy. P.M. Fine. |\n| U | 20 | 29.950 | 67.7 | 29.920 | 70.3 | 57 | 61.7 | 69.9 | 59.4 | WSW| Fine and clear—light clouds and wind. |\n| F | 21 | 30.059 | 73.7 | 29.998 | 71.9 | 58 | 66.8 | 73.3 | 52.8 | SSW| Fine and clear—cloudy.—Rain, evening and night. |\n| H | 22 | 30.013 | 76.8 | 29.978 | 72.7 | 50 | 66.7 | 67.8 | 58.3 | W | Lightly cloudy—shower about noon. |\n| O | 23 | 29.606 | 68.0 | 29.544 | 70.3 | 53 | 60.8 | 61.8 | 54.3 | SSW| A.M. Fine. P.M. Dark and lowering. |\n| D | 24 | 29.671 | 71.7 | 29.707 | 68.4 | 48 | 61.3 | 61.8 | 50.8 | WSW| Thunder and heavy rain at 1½ P.M. |\n| G | 25 | 29.945 | 73.3 | 29.920 | 69.8 | 50 | 64.1 | 66.8 | 48.3 | SSW| Fine and clear—light clouds. |\n| Y | 26 | 29.804 | 63.3 | 29.698 | 68.8 | 53 | 58.7 | 68.2 | 52.2 | NNE| A.M. Cloudy. P.M. Fine. At 5 P.M. dark and lowering, with light rain. |\n| U | 27 | 29.737 | 67.2 | 29.893 | 67.8 | 53 | 61.7 | 64.7 | 55.8 | SSW| Cloudy—brisk wind—frequent light showers P.M. |\n| F | 28 | 29.867 | 68.3 | 29.759 | 70.0 | 55 | 66.7 | 73.7 | 56.4 | SSE| Fine and lightly cloudy.—Evening clear. |\n| H | 29 | 29.816 | 72.7 | 29.833 | 71.2 | 58 | 68.2 | 70.3 | 61.3 | SSE| Fine and clear—cloudy—light brisk wind. |\n| O | 30 | 29.954 | 75.2 | 29.936 | 71.9 | 54 | 67.6 | 69.1 | 57.5 | SSW| Fine and clear—cloudy—light brisk wind. |\n\nMean Mean Mean Mean Mean Mean Mean Mean Sum\n\n29.873 70.7 29.854 70.2 52.8 64.2 68.2 54.5 70.6 1,909\n\nMonthly Mean of the Barometer, corrected for Capillarity and reduced to 32° Fahr. ................. { 9 A.M. 3 P.M. }\n{ 29.754 29.737 }\n\n### OBSERVANDA.\n\nHeight of the Cistern of the Barometer above a Fixed Mark on Waterloo Bridge ...................... = 83 feet 2½ in.\nabove the mean level of the Sea (presumed about) .................. = 95 feet.\n\nThe external Thermometer is 2 feet higher than the Barometer Cistern.\n\nHeight of the Receiver of the Rain Gauge above the Court of Somerset House ....................... = 79 feet.\n\nThe hours of observation are of Mean Time, the day beginning at Midnight.\n\nThe Thermometers are graduated by Fahrenheit's Scale.\n\nThe Barometer is divided into inches and decimals.", "source": "olmocr", "added": "2026-01-12", "created": "2026-01-12", "metadata": { "Source-File": "/home/jic823/projects/def-jic823/royalsociety/pdfs/108015.pdf", "olmocr-version": "0.3.4", "pdf-total-pages": 8, "total-input-tokens": 13372, "total-output-tokens": 17015, "total-fallback-pages": 0 }, "attributes": { "pdf_page_numbers": [ [ 0, 0, 1 ], [ 0, 154, 2 ], [ 154, 6755, 3 ], [ 6755, 14192, 4 ], [ 14192, 20279, 5 ], [ 20279, 27311, 6 ], [ 27311, 35138, 7 ], [ 35138, 43925, 8 ] ], "primary_language": [ "en", "en", "en", "en", "en", "en", "en", "en" ], "is_rotation_valid": [ true, true, true, true, true, true, true, true ], "rotation_correction": [ 0, 0, 0, 0, 0, 0, 0, 0 ], "is_table": [ false, false, true, true, true, true, true, true ], "is_diagram": [ false, false, false, false, false, false, false, false ] }, "jstor_metadata": { "identifier": "jstor-108015", "title": "Meteorological Journal, Kept by the Assistant Secretary at the Apartments of the Royal Society, by Order of the President and Council", "authors": null, "year": 1833, "volume": "123", "journal": "Philosophical Transactions of the Royal Society of London", "page_count": 8, "jstor_url": "https://www.jstor.org/stable/108015" } }