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

METEOROLOGICAL JOURNAL, KEPT BY THE ASSISTANT SECRETARY AT THE APARTMENTS OF THE ROYAL SOCIETY, BY ORDER OF THE PRESIDENT AND COUNCIL. MDCCCXXVIII. ## METEOROLOGICAL JOURNAL FOR JANUARY, 1828. | 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. | |-----------------|-----------------|----------------------------------------|----------------------|-----------------------------------|-------------------------------|----------| | Barom. | Attach. Therm. | Barom. | Attach. Therm. | Fahrenheit. | Self-registering. | Rain. | | 1 | 29.531 | 44.7 | 29.379 | 45.8 | 45 | 45.8 | 46.6 | 38.2 | 46.6 | 0.044 SE | Overcast and foggy. Showery. | | O | 29.893 | 43.0 | 29.740 | 43.7 | 38 | 37.7 | 43.2 | 36.0 | 49.2 | 0.522 WSW | Overcast. Showery. | | 3 | 29.439 | 46.7 | 29.582 | 47.7 | 45 | 45.4 | 43.8 | 37.2 | 46.8 | 0.128 WSW | Fine and cloudless. Showery. | | 4 | 29.853 | 42.3 | 29.656 | 44.8 | 37 | 37.1 | 39.6 | 34.3 | 42.3 | SW | A.M. Fine—light clouds. P.M. Heavy rain—brisk wind. | | 5 | 29.625 | 40.7 | 29.615 | 41.3 | 35 | 35.0 | 35.7 | 32.6 | 35.8 | 0.283 SW | Cloudy—continued snow, with rain. | | O | 29.702 | 40.2 | 29.796 | 40.7 | 36 | 36.3 | 37.0 | 34.4 | 37.7 | 0.261 ESE | Lightly overcast—foggy. | | 7 | 29.963 | 39.3 | 29.923 | 39.3 | 34 | 35.3 | 35.0 | 32.6 | 35.3 | ESE | Overcast and hazy. | | 8 | 29.868 | 37.3 | 29.899 | 38.7 | 27 | 34.3 | 36.8 | 32.7 | 36.8 | NNE | Hazy. A.M. Overcast. P.M. Cloudless. | | O | 30.004 | 36.7 | 29.950 | 36.6 | 30 | 33.2 | 32.1 | 32.1 | 32.3 | SSW | Overcast and foggy. Light fall of snow at night. | | 10 | 29.710 | 34.6 | 29.628 | 36.2 | 27 | 30.2 | 31.9 | 28.2 | 31.9 | N var. | Overcast. Showery. | | 11 | 29.523 | 34.2 | 29.525 | 36.2 | 30 | 30.6 | 34.9 | 28.0 | 40.7 | SW | Strong fog. Violent wind, with rain in the night. | | 12 | 29.763 | 37.6 | 29.719 | 39.3 | 37 | 37.6 | 42.7 | 29.8 | 46.2 | 0.230 SW | Lowering. Strong wind, with rain. | | O | 29.149 | 43.4 | 29.278 | 44.4 | 47 | 46.6 | 45.8 | 36.8 | 46.6 | 0.569 SSW | Overcast and foggy. Evening showery. | | 14 | 29.564 | 43.3 | 29.543 | 44.3 | 41 | 40.7 | 41.3 | 39.8 | 41.8 | SW | Overcast & hazy. Snow in the evening. | | 15 | 29.721 | 41.3 | 29.790 | 41.7 | 36 | 36.4 | 36.2 | 35.2 | 36.4 | 0.242 N | Overcast and foggy. | | O | 29.547 | 39.3 | 29.806 | 40.2 | 36 | 36.3 | 38.2 | 32.7 | 43.2 | 0.472 E | Overcast and foggy. | | 17 | 29.922 | 41.2 | 29.944 | 43.8 | 44 | 44.0 | 47.8 | 35.4 | 50.0 | 0.208 ESE | Overcast and foggy. Rain. | | O | 30.124 | 47.8 | 30.177 | 51.0 | 51 | 50.6 | 53.7 | 43.3 | 54.5 | 0.128 S | Overcast and foggy. | | 19 | 30.263 | 49.8 | 30.244 | 52.8 | 46 | 47.7 | 52.8 | 45.8 | 53.8 | 0.005 SSW | Fine and cloudless—hazy. | | O | 30.303 | 51.3 | 30.295 | 51.9 | 50 | 50.3 | 51.2 | 46.4 | 51.2 | SW | A.M. Cloudy. P.M. Fine and nearly cloudless. | | 21 | 30.274 | 48.8 | 30.235 | 50.8 | 43 | 43.0 | 49.3 | 41.7 | 49.3 | SW | A.M. Lightly overcast. P.M. Clear and cloudless. | | O | 30.113 | 50.0 | 30.149 | 52.5 | 49 | 49.2 | 52.7 | 42.3 | 53.4 | SSW | Fine—light clouds. | | 23 | 30.267 | 49.4 | 30.282 | 51.8 | 47 | 46.8 | 51.2 | 43.2 | 51.2 | WSW | A.M. Dull—dissolving clouds. P.M. Clear and cloudless. | | 24 | 30.367 | 49.4 | 30.334 | 51.7 | 46 | 46.6 | 50.8 | 43.3 | 50.8 | SW | Overcast and hazy. | | O | 30.206 | 51.8 | 30.127 | 52.8 | 50 | 49.7 | 51.2 | 46.1 | 51.5 | S | Lowering—light haze. | | 26 | 30.261 | 49.2 | 30.321 | 51.3 | 43 | 42.7 | 48.3 | 41.2 | 48.3 | 0.018 W | Fine and cloudless—light haze. | | O | 30.398 | 48.6 | 30.409 | 51.6 | 44 | 44.4 | 50.0 | 41.9 | 50.0 | WSW | A.M. Fine and nearly cloudless. P.M. Dull—hazy. | | 28 | 30.432 | 45.8 | 30.374 | 47.1 | 39 | 39.2 | 41.1 | 36.7 | 42.8 | WSW | Overcast and foggy. | | O | 30.215 | 46.6 | 30.174 | 48.0 | 43 | 43.7 | 45.2 | 38.5 | 45.3 | S | A.M. Foggy. P.M. Fine and cloudless. | | 30 | 30.100 | 45.7 | 30.055 | 47.7 | 43 | 42.7 | 45.3 | 38.8 | 45.3 | SSW | Fine—hazy. | | O | 30.002 | 45.7 | 29.968 | 47.8 | 43 | 42.8 | 47.8 | 38.2 | 49.0 | SSE | Overcast. Rain. | **Mean** | Mean | Mean | Mean | Mean | Mean | Mean | Mean | Mean | Sum | |------|------|------|------|------|------|------|------|-----| | 29.939 | 44.1 | 29.933 | 45.6 | 40.7 | 41.4 | 43.8 | 37.5 | 3.159 | Monthly Mean of the Barometer, corrected for Capillarity and reduced to 32° Fahr. ................. { 9 A.M. 3 P.M. } { 29.912 29.902 } ### OBSERVANDA. Height of the Cistern of the Barometer above a Fixed Mark on Waterloo Bridge...................... = 83 feet 2½ in. .......................................................... above the mean level of the Sea (presumed about) .......... = 95 feet. The External Thermometer is 2 feet higher than the Barometer Cistern. Height of the Receiver of the Rain Gauge above the Court of Somerset House ....................... = 79 feet 0 in. The hours of observation are of Mean Time, the day beginning at Midnight. The Thermometers are graduated by Fahrenheit's Scale. The Barometer is divided into inches and decimals. | 1828. February | 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 Run off at 9 A.M. | Direction of the Wind at 9 A.M. | Remarks | |---------------|----------------|-----------------|----------------------------------------|---------------------|-------------------------------|-----------------------------|---------| | | Barom. Attach. Therm. | Barom. Attach. Therm. | Fahrenheit | Self-registering | Lowest | Highest | Sum | | O 1 | 29.942 | 49.8 | 30.057 | 53.3 | 49 | 49.8 | 50.8 | 43.4 | 52.2 | 0.139 | SSW | A.M. Lowering and showery. P.M. Fine—lightly overcast. | | h 2 | 30.124 | 49.9 | 30.103 | 51.2 | 47 | 46.8 | 48.0 | 45.2 | 48.0 | SW | Lightly overcast—hazy. | | O 3 | 30.439 | 46.8 | 30.477 | 48.3 | 37 | 39.2 | 45.2 | 37.7 | 46.7 | W | Fine and cloudless—hazy. | | D 4 | 30.250 | 47.3 | 30.263 | 49.9 | 47 | 47.4 | 51.2 | 38.3 | 51.2 | 0.019 | WSW | Lightly overcast—hazy. | | d 5 | 30.192 | 49.7 | 30.140 | 51.6 | 48 | 48.6 | 51.3 | 46.8 | 51.3 | SW | Lowering. | | O 6 | 30.054 | 50.6 | 30.010 | 52.3 | 48 | 48.7 | 52.8 | 47.2 | 52.8 | 0.012 | SW | Cloudy. | | u 7 | 29.944 | 50.4 | 29.901 | 52.6 | 45 | 45.2 | 49.2 | 44.5 | 49.8 | SW | Foggy—rain. | | O 8 | 29.911 | 49.3 | 29.831 | 47.3 | 41 | 42.3 | 45.3 | 41.2 | 45.8 | 0.097 | N | A.M. Cloudless. P.M. Lightly overcast. | | h 9 | 29.660 | 45.8 | 29.681 | 46.2 | 41 | 45.4 | 40.3 | 39.3 | 40.3 | 0.039 | N | Overcast—rain. | | O 10 | 29.812 | 42.7 | 29.772 | 43.6 | 36 | 36.2 | 36.9 | 34.4 | 36.9 | 0.059 | N | Lowering. | | D 11 | 29.454 | 38.2 | 29.602 | 40.6 | 32 | 33.2 | 33.2 | 30.2 | 34.2 | NNE | Continued fall of snow. | | d 12 | 29.955 | 35.8 | 29.983 | 37.2 | 30 | 30.8 | 31.7 | 29.0 | 31.7 | 0.186 | NNW | Overcast. Fall of snow A.M. | | O 13 | 30.115 | 35.0 | 30.098 | 36.3 | 30 | 30.8 | 32.3 | 28.8 | 32.3 | NNE | Overcast and hazy. | | u 14 | 29.723 | 36.8 | 29.489 | 37.6 | 31 | 33.4 | 34.8 | 30.0 | 34.8 | SE | Overcast. Fall of snow P.M. | | O 15 | 29.667 | 38.2 | 29.742 | 41.1 | 34 | 34.7 | 39.4 | 31.2 | 39.4 | W | Fine and cloudless—hazy. | | h 16 | 29.872 | 38.0 | 29.836 | 39.8 | 32 | 32.6 | 38.0 | 29.8 | 38.0 | 0.086 | WSW | Overcast.—Strong haze A.M. | | O 17 | 29.721 | 37.8 | 29.632 | 40.6 | 32 | 33.8 | 39.2 | 30.2 | 39.2 | SE | A.M. Cloudless. P.M. Lightly overcast. | | D 18 | 29.394 | 37.4 | 29.297 | 42.0 | 34 | 34.6 | 42.2 | 30.8 | 42.3 | E | Dull—light clouds. | | d 19 | 29.303 | 39.7 | 29.333 | 42.6 | 36 | 38.7 | 45.9 | 33.8 | 45.9 | 0.078 | WSW | Fine—light clouds. | | O 20 | 29.277 | 41.8 | 29.202 | 45.3 | 41 | 42.8 | 47.4 | 37.3 | 47.7 | SSE | Fine and clear—light clouds. Snow in the evening. | | u 21 | 29.017 | 43.6 | 28.971 | 47.0 | 40 | 40.3 | 46.8 | 39.2 | 46.8 | 0.011 | E | Lowering. | | O 22 | 29.004 | 46.3 | 29.044 | 48.7 | 43 | 42.8 | 45.3 | 38.8 | 47.5 | 0.053 | SE | Lowering. | | h 23 | 29.292 | 46.1 | 29.418 | 46.7 | 43 | 42.7 | 41.8 | 41.3 | 42.7 | N | Overcast and foggy. Light rain A.M. | | O 24 | 29.771 | 44.8 | 29.797 | 47.3 | 41 | 41.6 | 46.3 | 37.7 | 49.7 | 0.033 | WSW | A.M. Overcast. P.M. Fine—light clouds. | | D 25 | 29.857 | 48.1 | 29.867 | 50.2 | 49 | 49.8 | 51.6 | 41.0 | 52.0 | S | Lowering—light breeze—showery. | | d 26 | 30.029 | 51.3 | 30.012 | 53.3 | 51 | 52.2 | 55.0 | 48.8 | 55.2 | 0.090 | S | Lowering. | | O 27 | 30.115 | 52.3 | 30.144 | 54.3 | 51 | 51.3 | 53.2 | 49.1 | 53.7 | SSE | Overcast. | | u 28 | 30.322 | 52.3 | 30.329 | 54.3 | 49 | 48.9 | 50.3 | 47.2 | 50.7 | N | Overcast and foggy. | | O 29 | 30.240 | 52.7 | 30.257 | 54.8 | 50 | 50.3 | 53.6 | 41.7 | 53.6 | NNW | Cloudy—light breeze. | Mean Mean Mean Mean Mean Mean Mean Mean Sum 29.809 44.8 29.803 46.7 40.9 41.9 44.8 38.4 45.2 0.902 Monthly Mean of the Barometer, corrected for Capillarity and reduced to 32° Fahr. 9 A.M. 3 P.M. 29.780 29.769 OBSERVANDA. Height of the Cistern of the Barometer above a Fixed Mark on Waterloo Bridge = 83 feet 2½ in. above the mean level of the Sea (presumed about) = 95 feet. The External Thermometer is 2 feet higher than the Barometer Cistern. Height of the Receiver of the Rain Gauge above the Court of Somerset House = 79 feet 0 in. The hours of observation are of Mean Time, the day beginning at Midnight. The Thermometers are graduated by Fahrenheit's Scale. The Barometer is divided into inches and decimals. | 1828. 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 | |-------------|-----------------|-----------------|----------------------------------------|----------------------|----------------------------------|--------------------------|---------| | | Barom. Attach. Therm. | Barom. Attach. Therm. | Fahrenheit. | Self-registering. | Lowest. Highest. | | | | O h 1 | 30.290 | 50.0 | 30.175 | 50.7 | 44 | 44.2 | 47.9 | N | Overcast—light fog. | | ⊙ 2 | 30.061 | 50.3 | 30.057 | 51.3 | 45 | 46.5 | 48.2 | NNE | Cloudy—light wind. | | D 3 | 30.006 | 47.7 | 29.897 | 49.6 | 43 | 42.8 | 47.8 | SSW | Cloudy and hazy. | | δ 4 | 29.974 | 47.8 | 29.858 | 52.0 | 44 | 43.9 | 49.2 | NW | Cloudy—light fog. | | χ 5 | 29.689 | 47.8 | 29.682 | 45.1 | 39 | 42.3 | 42.0 | NW | Brisk wind. A.M. Fine and nearly cloudless. P.M. Cloudy. | | η 6 | 29.900 | 40.0 | 29.978 | 42.6 | 22 | 33.9 | 38.8 | N | Fine—cloudy—light wind. | | Φ 7 | 30.235 | 40.2 | 30.174 | 44.3 | 27 | 33.7 | 41.8 | SW | A.M. Fine—hazy. P.M. Overcast. | | h 8 | 30.082 | 44.3 | 30.151 | 48.3 | 46 | 46.8 | 54.7 | WSW | Overcast and foggy. | | ⊙ 9 | 30.262 | 48.3 | 30.210 | 51.0 | 48 | 48.2 | 55.8 | WSW | A.M. Overcast. P.M. Fine—light clouds. | | D 10 | 30.242 | 49.8 | 30.307 | 58.3 | 48 | 49.2 | 56.9 | WNW | A.M. Lowering. P.M. Fine—light clouds. | | δ 11 | 30.260 | 49.6 | 30.226 | 53.2 | 46 | 46.0 | 54.0 | SW | A.M. Overcast and foggy. P.M. Fine—light clouds. | | χ 12 | 30.078 | 50.7 | 30.025 | 53.6 | 48 | 48.2 | 53.8 | S | A.M. Overcast. P.M. Fine—hazy. | | η 13 | 30.135 | 52.6 | 30.131 | 55.8 | 50 | 50.3 | 59.5 | SW | Clear and cloudless. | | Φ 14 | 30.284 | 56.0 | 30.276 | 58.6 | 53 | 54.0 | 59.3 | SW | Fine and cloudless. | | h 15 | 30.368 | 54.3 | 30.358 | 58.6 | 48 | 48.1 | 59.6 | SW | Fine—light clouds. | | ⊙ 16 | 30.346 | 55.8 | 30.248 | 59.6 | 52 | 52.7 | 60.8 | WSW | Fine—cloudy. Showery at night. | | D 17 | 30.169 | 56.3 | 30.140 | 54.5 | 53 | 53.4 | 56.6 | NW | Lowering. | | δ 18 | 30.074 | 53.5 | 30.053 | 57.7 | 50 | 50.6 | 55.8 | NW | Fine—lightly overcast. | | χ 19 | 29.462 | 54.0 | 29.522 | 55.3 | 43 | 50.3 | 51.7 | WSW | Fine—light clouds—strong brisk wind. | | η 20 | 29.439 | 50.7 | 29.262 | 54.3 | 45 | 46.8 | 48.7 | WSW | Lowering. Rain. | | Φ 21 | 29.065 | 51.7 | 28.998 | 53.8 | 46 | 46.2 | 48.7 | SSW | Cloudy. At 3 P.M. Hail storm, with thunder. | | h 22 | 29.294 | 49.3 | 29.281 | 51.2 | 34 | 43.5 | 47.9 | WSW | Fine and clear—cloudy. Showery P.M. | | ⊙ 23 | 29.419 | 46.6 | 29.449 | 49.3 | 36 | 40.6 | 46.8 | WSW | Fine, and nearly cloudless. | | D 24 | 29.655 | 45.8 | 29.685 | 48.3 | 36 | 41.8 | 46.3 | N | Fine—cloudy. | | δ 25 | 29.806 | 44.6 | 29.808 | 47.2 | 35 | 43.3 | 42.3 | N | Lowering—brisk wind. Rain and hail P.M. | | χ 26 | 29.561 | 41.3 | 29.791 | 45.6 | 35 | 35.7 | 44.3 | WSW | Fine—light clouds—hazy. | | η 27 | 29.465 | 44.4 | 29.430 | 49.3 | 43 | 43.8 | 51.2 | ESE | Lowering. Showery. | | Φ 28 | 29.476 | 46.7 | 29.594 | 47.5 | 42 | 41.7 | 43.4 | N | Overcast—brisk wind. Rain. | | h 29 | 29.813 | 44.3 | 29.822 | 47.3 | 39 | 39.2 | 42.8 | WSW | Cloudy and hazy. | | ⊙ 30 | 29.988 | 45.0 | 30.040 | 47.3 | 41 | 41.7 | 45.7 | N | Lowering. | | D 31 | 30.280 | 43.7 | 30.292 | 47.3 | 41 | 41.7 | 47.8 | E | Fine—light clouds—hazy. | Monthly Mean of the Barometer, corrected for Capillarity and reduced to 32° Fahr. ............... { 9 A.M. 3 P.M. } Mean 29.919 Mean 48.5 Mean 29.899 Mean 51.2 Mean 42.6 Mean 44.8 Mean 50.0 Mean 51.0 Mean 0.751 OBSERVANDA. Height of the Cistern of the Barometer above a Fixed Mark on Waterloo Bridge......................... = 83 feet 2½ in. ..............................................................above the mean level of the Sea (presumed about) ............ = 95 feet. The External Thermometer is 2 feet higher than the Barometer Cistern. Height of the Receiver of the Rain Gauge above the Court of Somerset House.......................... = 79 feet 0 in. The hours of observation are of Mean Time, the day beginning at Midnight. The Thermometers are graduated by Fahrenheit’s Scale. The Barometer is divided into inches and decimals. | 1828. April | 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 | |------------|----------------|----------------|----------------------------------------|---------------------|----------------------------------|-----------------------------|---------| | | Barom. Attach. Therm. | Barom. Attach. Therm. | Fahrenheit | Self-registering | Lowest | Highest | | | 1 | 30.387 44.0 | 30.162 48.2 | 37 42.3 | 48.2 | 34.2 | 48.8 | ESE | A.M. Cloudless. P.M. Lowering. | | 2 | 30.031 46.3 | 30.029 48.5 | 44 45.0 | 46.5 | 39.2 | 47.2 | N | A.M. Fine—light clouds. P.M. Overcast. | | 3 | 30.095 44.2 | 30.034 47.2 | 36 41.2 | 44.6 | 36.4 | 44.7 | N | Cloudy—brisk wind. | | 4 | 29.938 43.8 | 29.943 45.8 | 36 44.2 | 43.0 | 36.2 | 43.8 | N | Lowering—brisk wind. | | 5 | 29.798 43.8 | 29.682 48.2 | 36 44.6 | 50.3 | 32.8 | 51.3 | W | Lowering—Showery P.M. | | 6 | 29.560 47.8 | 29.597 49.9 | 41 46.8 | 47.9 | 38.9 | 50.2 | 0.186 | WNW | A.M. Fine—cloudy. P.M. Lowering. | | 7 | 29.352 46.2 | 29.334 49.2 | 43 43.7 | 50.3 | 40.2 | 50.4 | 0.075 | ESE | Cloudy. Rain. | | 8 | 29.337 46.8 | 29.322 49.3 | 43 44.2 | 48.7 | 38.3 | 48.7 | 0.136 | E | A.M. Lowering. P.M. Fine—cloudy. | | 9 | 29.312 47.7 | 29.400 52.4 | 44 46.7 | 54.3 | 41.6 | 55.3 | S | A.M. Lowering—light breeze. P.M. Clear—cloudy. | | 10 | 29.388 49.7 | 29.415 52.8 | 49 49.7 | 52.7 | 41.8 | 57.4 | 0.025 | S | A.M. Cloudy and showery. P.M. Fine—broken clouds. | | 11 | 29.752 52.1 | 29.739 53.8 | 44 50.4 | 55.4 | 40.3 | 56.9 | 0.047 | WSW | A.M. Clear. P.M. Lightly overcast. | | 12 | 29.664 55.0 | 29.619 56.4 | 52 55.7 | 56.4 | 48.2 | 57.7 | SW | Lowering—Showery. | | 13 | 29.501 56.2 | 29.506 57.8 | 46 54.0 | 56.8 | 49.3 | 57.2 | 0.019 | SSW | Fine and clear—light clouds and strong wind. | | 14 | 29.783 56.2 | 29.765 58.2 | 49 53.3 | 56.4 | 43.8 | 59.0 | S | A.M. Fine. P.M. Lowering & showery. | | 15 | 29.782 53.4 | 29.648 56.4 | 51 51.3 | 53.7 | 45.6 | 55.8 | 0.158 | SSE | Lowering—Frequent showers and strong wind. | | 16 | 29.630 57.4 | 29.445 56.8 | 52 55.4 | 50.4 | 46.4 | 55.4 | 0.039 | S var. | A.M. Fine—brisk wind. P.M. Overcast—rain. | | 17 | 29.423 56.4 | 29.378 58.0 | 50 54.6 | 56.8 | 45.8 | 57.2 | 0.028 | S var. | Brisk wind.—A.M. Fine and clear. P.M. Cloudy—rain. | | 18 | 29.344 55.6 | 29.400 56.7 | 51 51.5 | 52.3 | 43.8 | 54.2 | 0.444 | SSE | Dark and overcast. Rain. | | 19 | 29.537 54.7 | 29.600 55.6 | 51 50.8 | 52.7 | 47.2 | 52.7 | 0.350 | NE | Overcast and foggy. | | 20 | 29.836 53.8 | 29.840 55.8 | 51 51.7 | 51.6 | 46.4 | 51.8 | 0.078 | N | Overcast and hazy. | | 21 | 29.704 52.0 | 29.662 52.8 | 47 47.8 | 47.8 | 44.2 | 48.7 | 0.014 | NNW | Cloudy—Showery A.M. | | 22 | 29.639 50.0 | 29.663 51.2 | 43 44.3 | 46.3 | 39.8 | 46.8 | 0.058 | WSW | Lowering—Light showers P.M. | | 23 | 29.797 49.7 | 29.819 53.0 | 45 47.7 | 54.2 | 42.7 | 54.2 | 0.019 | W | Cloudy.—A.M. Hazy. P.M. Clear. Evening showery. | | 24 | 29.782 54.8 | 29.839 56.3 | 46 53.3 | 59.0 | 46.0 | 59.5 | 0.200 | W | Fine and clear—light clouds. | | 25 | 29.869 55.4 | 29.811 58.7 | 53 53.7 | 56.3 | 49.9 | 58.6 | 0.011 | SSW | Lowering—light wind.—In the evening, rain with strong wind. | | 26 | 29.965 57.4 | 30.060 58.7 | 42 52.4 | 59.7 | 44.0 | 60.2 | 0.139 | NW | Very fine and clear—brisk wind. | | 27 | 30.282 58.2 | 30.263 59.6 | 49 54.4 | 61.1 | 43.0 | 63.3 | SSW | Very fine—clear and cloudless—gentle wind. | | 28 | 30.290 60.8 | 30.270 61.3 | 52 59.3 | 66.6 | 46.8 | 67.7 | S | Fine and clear—light clouds—gentle wind. | | 29 | 30.257 64.7 | 30.209 63.9 | 52 67.3 | 68.8 | 46.8 | 70.7 | SSE | Fine and clear—light clouds. | | 30 | 30.316 61.3 | 30.356 64.8 | 59 59.7 | 61.8 | 54.2 | 63.7 | N | Overcast—dissolving clouds—brisk wind. | Mean Mean Mean Mean Mean Mean Mean Mean Sum 29.775 52.5 29.757 54.6 46.5 50.6 53.7 43.1 55.0 2.026 Monthly Mean of the Barometer, corrected for Capillarity and reduced to 32° Fahr. 9 A.M. 3 P.M. 29.727 29.703 OBSERVANDA. Height of the Cistern of the Barometer above a Fixed Mark on Waterloo Bridge......................... = 83 feet 2½ in. above the mean level of the Sea (presumed about) ............... = 95 feet. The External Thermometer is 2 feet higher than the Barometer Cistern. Height of the Receiver of the Rain Gauge above the Court of Somerset House ....................... = 79 feet 0 in. The hours of observation are of Mean Time, the day beginning at Midnight. The Thermometers are graduated by Fahrenheit’s Scale. The Barometer is divided into inches and decimals. | 1828. May | 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 | |-----------|----------------|----------------|----------------------------------------|----------------------|-------------------------------|-----------------------------|---------| | | Barom. Attach. Therm. | Barom. Attach. Therm. | Fahrenheit. Self-registering. Lowest. Highest. | 9 A.M. 3 P.M. | | | | 1 | 30.384 58.8 | 30.314 62.1 | 52 52.4 61.7 46.8 62.7 | E | A.M. Strong haze. P.M. Fine and clear—nearly cloudless. | | 2 | 30.260 57.3 | 30.182 62.0 | 51 51.4 57.8 44.3 60.4 | ESE | Fine—light clouds. Lowering. Rain. | | 3 | 30.017 56.5 | 29.994 60.3 | 53 53.6 56.4 48.2 58.5 0.014 | ESE | Fine and clear.—A.M. Heavy shower. P.M. Distant thunder. | | 4 | 29.788 59.4 | 29.719 61.7 | 55 56.8 60.8 51.6 63.3 0.042 | S | Fine—cloudy. | | 5 | 29.707 54.7 | 29.683 58.8 | 49 54.2 56.8 45.8 57.8 0.081 | WNW | A.M. Fine and cloudless. P.M. Thunder and lightning at 2h. | | 6 | 29.748 60.7 | 29.742 59.3 | 45 53.6 57.7 43.8 60.8 | SSW | A.M. Overcast. P.M. Fine—cloudy. | | 7 | 29.849 54.9 | 29.851 59.3 | 49 50.5 58.6 45.4 59.3 | N | A.M. Overcast. P.M. Fine and clear—gentle wind. | | 8 | 29.883 54.3 | 29.901 59.0 | 49 48.9 58.3 46.2 59.5 0.186 | N | Fine—lightly overcast. | | 9 | 30.070 55.9 | 30.114 59.6 | 46 51.5 59.4 42.7 60.5 | W | A.M. Fine and cloudless. P.M. Slightly lowering. | | 10 | 30.179 59.6 | 30.136 62.0 | 45 58.0 61.6 45.0 64.3 | S | A.M. Lowering. P.M. Fine—light clouds. | | 11 | 30.085 59.4 | 30.060 61.8 | 55 57.5 62.8 51.2 63.8 | WSW | Fine & clear—nearly cloudless—light wind. | | 12 | 30.238 61.2 | 30.257 62.6 | 46 58.7 63.3 48.2 64.7 | N | Fine and cloudless—light haze. | | 13 | 30.316 62.4 | 30.240 62.3 | 48 58.3 64.0 46.7 64.8 | SSW | Fine and clear—fleecy clouds. | | 14 | 30.192 60.3 | 30.127 63.6 | 56 58.6 66.4 50.0 68.0 | NNE | Fine—light stretching clouds. | | 15 | 30.070 61.8 | 30.029 64.3 | 51 60.7 66.2 47.0 66.4 | E | Fine—light clouds. Thunder at 7h. | | 16 | 29.883 63.8 | 29.860 67.3 | 59 64.3 67.3 56.0 69.5 | NE | Fine and cloudless—light wind. | | 17 | 29.832 66.8 | 29.811 66.7 | 54 63.2 66.8 55.9 67.3 | E | Clear and cloudless—light wind. | | 18 | 29.816 63.7 | 29.826 64.5 | 51 61.7 61.9 55.0 63.7 | E | Clear and cloudless—light wind. | | 19 | 29.832 64.6 | 29.829 63.2 | 46 62.2 62.7 46.8 63.7 | ESE | A.M. Fine. P.M. Cloudy. | | 20 | 29.803 61.4 | 29.760 63.2 | 50 59.4 60.7 45.0 66.2 | E | Cloudy. Light showers. | | 21 | 29.856 57.7 | 29.555 62.8 | 54 55.8 61.7 50.0 63.1 | ENE | Lowering. Light showers. | | 22 | 29.574 55.7 | 29.569 60.3 | 52 53.4 58.7 51.0 59.5 0.036 | E | Fine—cloudy—light wind. | | 23 | 29.611 60.3 | 29.593 63.0 | 49 57.7 62.1 49.8 62.6 0.014 | NNE | A.M. Heavy rain, early. Fine & clear. | | 24 | 29.481 61.3 | 29.422 65.0 | 54 58.8 63.8 55.1 66.6 0.294 | S | P.M. Lowering, strong wind, showery. | | 25 | 29.704 63.7 | 29.813 64.3 | 55 61.7 64.0 55.6 65.4 0.041 | SW | Fine and clear—light clouds—brisk wind. | | 26 | 29.756 63.3 | 29.635 65.2 | 54 62.5 65.0 53.6 66.8 | ESE | Cloudy—light wind. | | 27 | 29.601 65.3 | 29.552 65.8 | 53 64.5 61.8 52.9 68.6 | ESE | A.M. Fine and clear. P.M. Cloudy—brisk wind. Rain. | | 28 | 29.554 62.8 | 29.649 63.8 | 54 59.3 61.8 53.3 64.3 0.353 | SW | Cloudy—light wind. | | 29 | 29.702 63.9 | 29.704 65.4 | 56 62.3 65.3 56.3 67.2 0.033 | S | Fine—brisk wind. Showery. | | 30 | 29.950 67.4 | 29.959 68.2 | 53 65.3 70.4 55.3 72.1 | N | Fine—cloudy. Rain at night. | | 31 | 29.840 63.8 | 29.792 67.2 | 60 60.5 67.1 56.1 68.4 0.213 | SSW | A.M. Lowering—light wind. P.M. Fine—cloudy. | Monthly Mean of the Barometer, corrected for Capillarity and reduced to 32° Fahr. .......... { 9 A.M. 3 P.M. } { 29.820 29.784 } **OBSERVANDA.** Height of the Cistern of the Barometer above a Fixed Mark on Waterloo Bridge ......................... = 83 feet 2½ in. .......................................................... above the mean level of the Sea (presumed about) ............... = 95 feet. The External Thermometer is 2 feet higher than the Barometer Cistern. Height of the Receiver of the Rain Gauge above the Court of Somerset House ......................... = 79 feet 0 in. The hours of observation are of Mean Time, the day beginning at Midnight. The Thermometers are graduated by Fahrenheit’s Scale. The Barometer is divided into inches and decimals. ## METEOROLOGICAL JOURNAL FOR JUNE, 1828. | 1828. June | 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 | |------------|-----------------|-----------------|----------------------------------------|----------------------|----------------------------------|-----------------------------|---------| | | Barom. | Attach. Therm. | Barom. | Attach. Therm. | Fahrenheit. | Self-registering. | Highest. | | 1 | 30.066 | 67.8 | 30.069 | 67.0 | 51 | 63.7 | 69.3 | 52.0 | 70.0 | WSW | Fine—light breeze. | | 2 | 29.958 | 67.9 | 29.924 | 66.6 | 51 | 62.3 | 65.4 | 55.8 | 67.8 | 0.050 | Fine and clear—cloudy—light breeze. | | 3 | 29.994 | 63.4 | 29.973 | 64.7 | 55 | 59.8 | 61.8 | 51.5 | 64.3 | 0.033 | Heavy shower P.M. | | 4 | 29.621 | 61.7 | 29.494 | 64.0 | 57 | 57.6 | 61.7 | 56.1 | 62.4 | 0.250 | SW | Lowering. | | 5 | 29.388 | 61.2 | 29.489 | 62.6 | 47 | 55.7 | 62.9 | 49.8 | 63.2 | 0.583 | NW var. | | 6 | 29.656 | 63.3 | 29.708 | 63.7 | 50 | 60.3 | 63.3 | 51.7 | 64.8 | 0.033 | Fine and clear—light wind. | | 7 | 30.003 | 57.3 | — | — | 45 | 54.5 | — | 49.3 | 61.0 | 0.139 | W | Fine and clear—cloudy. At 28m. | | 8 | 30.189 | 60.9 | 30.194 | 63.3 | 46 | 60.9 | 63.3 | 51.1 | 65.6 | WSW | Fine—light breeze. | | 9 | 30.247 | 62.0 | 30.226 | 65.3 | 53 | 61.7 | 66.8 | 52.7 | 67.7 | W | Fine—cloudy. | | 10 | 30.285 | 64.8 | 30.260 | 66.3 | 56 | 61.4 | 66.9 | 51.7 | 67.7 | NW | Fine—cloudy. | | 11 | 30.241 | 64.6 | 30.232 | 68.3 | 57 | 63.8 | 68.9 | 57.7 | 71.5 | W | Fine—cloudy. | | 12 | 30.242 | 63.7 | 30.247 | 66.2 | 51 | 62.4 | 63.5 | 58.7 | 65.3 | NNW | Cloudy. | | 13 | 30.281 | 70.7 | 30.245 | 68.3 | 53 | 63.8 | 69.7 | 53.8 | 72.7 | N | Clear and cloudless—light wind. | | 14 | 30.268 | 70.0 | 30.230 | 68.0 | 54 | 68.3 | 67.8 | 52.3 | 69.8 | W | Clear and cloudless—light wind. | | 15 | 30.106 | 63.4 | 30.081 | 67.8 | 62 | 62.7 | 68.3 | 55.6 | 70.2 | E | A.M. Cloudy. P.M. Fine and clear. | | 16 | 29.973 | 67.7 | 29.905 | 67.4 | 63 | 66.8 | 64.3 | 59.8 | 71.6 | E | Brisk wind. | | 17 | 29.590 | 68.7 | 29.547 | 69.4 | 63 | 70.7 | 68.6 | 57.9 | 72.3 | NE | Fine—cloudy—brisk wind. | | 18 | 29.424 | 64.8 | 29.560 | 68.8 | 59 | 59.7 | 68.6 | 57.7 | 69.8 | 0.064 | Fine—cloudy. Light showers. | | 19 | 29.962 | 67.4 | 29.994 | 69.7 | 61 | 63.7 | 69.8 | 59.3 | 71.7 | S | A.M. Lowering. P.M. Fine.—Light wind. | | 20 | 30.009 | 66.7 | 29.989 | 70.2 | 60 | 66.0 | 70.0 | 60.6 | 70.8 | S | Lightly overcast—brisk wind. | | 21 | 29.857 | 63.8 | 29.855 | 67.8 | 59 | 59.1 | 65.8 | 58.2 | 68.4 | 0.605 | A.M. Heavy rain, early. P.M. Clear—cloudy—light wind. | | 22 | 29.923 | 68.3 | 29.950 | 67.9 | 57 | 65.0 | 62.6 | 55.9 | 69.8 | 0.028 | Cloudy. Heavy showers and frequent thunder at 23h. P.M. | | 23 | 30.091 | 71.3 | 30.110 | 69.3 | 58 | 64.7 | 68.7 | 53.8 | 69.6 | 0.583 | Fine and clear—cloudy—light wind. | | 24 | 30.291 | 63.8 | 30.297 | 67.6 | 58 | 62.8 | 69.7 | 55.7 | 71.5 | N | Fine—lightly overcast. | | 25 | 30.328 | 73.3 | 30.297 | 72.6 | 57 | 70.2 | 72.7 | 56.3 | 76.6 | SW | Fine and clear. A.M. Cloudless. | | 26 | 30.385 | 71.3 | 30.346 | 72.7 | 60 | 70.7 | 77.6 | 59.2 | 78.4 | NW | P.M. Cloudy. | | 27 | 30.272 | 75.7 | 30.182 | 74.2 | 61 | 74.8 | 76.7 | 62.7 | 78.3 | E | Fine—light clouds. | | 28 | 30.095 | 74.8 | 30.045 | 75.3 | 65 | 73.7 | 73.9 | 59.6 | 77.8 | E | Clear and cloudless—light wind. | | 29 | 29.949 | 66.7 | 29.948 | 72.9 | 64 | 66.3 | 74.3 | 59.3 | 76.8 | N | A.M. Fine and cloudless. P.M. Lightly overcast—light wind. | | 30 | 30.015 | 76.7 | 29.967 | 74.3 | 60 | 68.7 | 75.9 | 60.3 | 78.2 | N | Fine—light clouds—gentle wind. | | Mean | Mean | Mean | Mean | Mean | Mean | Mean | Mean | Mean | Sum | | Fine and clear—light clouds. | Monthly Mean of the Barometer, corrected for Capillarity and reduced to 32° Fahr. ................. { 9 A.M. 3 P.M. } { 29.938 29.922 } ### OBSERVANDA. Height of the Cistern of the Barometer above a Fixed Mark on Waterloo Bridge ...................... = 83 feet 2½ in. ................................................................. above the mean level of the Sea (presumed about) = 95 feet. The external Thermometer is 2 feet higher than the Barometer Cistern. Height of the Receiver of the Rain Gauge above the Court of Somerset House ....................... = 79 feet 0 in. The hours of observation are of Mean Time, the day beginning at Midnight. The Thermometers are graduated by Fahrenheit's Scale. The Barometer is divided into inches and decimals.