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. 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. 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 JANUARY AND FEBRUARY, 1836. ### 9 o'clock A.M. | Date | Barom. | Attach. Therm. | Barom. | Attach. Therm. | |------|--------|----------------|--------|----------------| | | | | | | ### 3 o'clock P.M. | Date | Barom. | Attach. Therm. | Dew Point at 9 A.M. in degrees of Fahr. | External Thermometer | |------|--------|----------------|-----------------------------------------|---------------------| | | | | | 9 A.M. s.p.M. Lowest | Highest | | | | | | | ### Rain, in inches. | Date | Barom. | Attach. Therm. | Direction of the Wind at 9 A.M. | |------|--------|----------------|-------------------------------| | | | | | ### REMARKS. | Date | Remarks | |------|---------| | | | ### MEANS. | Date | Barom. | Attach. Therm. | |------|--------|----------------| | | | | --- **Means of Barometer, corrected for Capillarity and reduced to 32° Fahr.** | Date | Barom. | Attach. Therm. | |------|--------|----------------| | | | | --- **Mean of Barometer, corrected for Capillarity and reduced to 32° Fahr.** | Date | Barom. | Attach. Therm. | |------|--------|----------------| | | | | | 1836 | 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, Head off at 9 A.M. | Direction of the Wind at 9 A.M. | REMARKS | |------|-----------------|-----------------|----------------------------------------|----------------------|----------------------------------|-------------------------------|----------| | | Barom. | Attach. Ther. | Barom. | Attach. Ther. | Fahrenheit | Self-registering | Highest. | | | T | 29.013 | 41.2 | 28.829 | 42.2 | 36 | 40.6 | 46.2 | 35.4 | 47.0 | S var. | | W | 29.285 | 43.8 | 29.299 | 45.3 | 37 | 42.2 | 48.8 | 38.9 | 49.4 | .194 | | O | 29.477 | 45.2 | 29.530 | 46.5 | 41 | 45.5 | 48.5 | 40.7 | 48.4 | S | | F | 29.532 | 46.6 | 29.497 | 47.4 | 40 | 43.3 | 49.0 | 40.4 | 48.7 | .072 | | S | 29.314 | 47.5 | 29.215 | 48.8 | 42 | 44.4 | 49.6 | 42.3 | 49.4 | .038 | | Q | 29.122 | 46.2 | 28.998 | 46.9 | 40 | 43.8 | 47.7 | 37.7 | 48.4 | .186 | | M | 29.247 | 45.3 | 29.217 | 47.2 | 37 | 42.2 | 48.6 | 36.4 | 48.7 | ENE | | T | 29.202 | 46.0 | 29.223 | 40.9 | 39 | 40.3 | 42.4 | 39.2 | 42.2 | .033 | | W | 29.287 | 44.5 | 29.126 | 45.6 | 34 | 38.4 | 45.2 | 33.8 | 45.5 | .088 | | T | 29.208 | 45.0 | 29.182 | 46.2 | 38 | 43.8 | 46.5 | 37.2 | 47.2 | .069 | | F | 28.916 | 47.8 | 28.964 | 48.7 | 42 | 47.7 | 51.2 | 42.5 | 51.2 | .052 | | N | 29.123 | 47.4 | 29.158 | 48.7 | 42 | 47.6 | 50.4 | 41.5 | 51.6 | S var. | | O | 29.412 | 47.3 | 29.489 | 48.6 | 40 | 43.0 | 50.8 | 39.2 | 50.4 | .227 | | M | 29.049 | 48.6 | 29.057 | 49.2 | 43 | 50.3 | 45.2 | 42.2 | 50.6 | .166 | | T | 28.891 | 48.2 | 29.143 | 49.7 | 41 | 44.9 | 48.5 | 40.3 | 50.7 | .444 | | W | 29.584 | 46.8 | 29.681 | 47.8 | 37 | 41.4 | 46.0 | 35.3 | 47.8 | SW | | T | 29.792 | 47.0 | 29.808 | 48.6 | 40 | 48.3 | 51.8 | 38.7 | 52.2 | .061 | | F | 30.322 | 51.2 | 30.346 | 58.8 | 47 | 52.2 | 58.8 | 47.7 | 59.4 | SW | | S | 30.245 | 52.6 | 30.148 | 57.2 | 47 | 47.8 | 61.5 | 45.5 | 61.6 | ENE | | O | 30.182 | 55.3 | 30.184 | 58.4 | 49 | 53.3 | 61.2 | 47.2 | 64.4 | SW | | M | 30.113 | 53.7 | 30.017 | 56.6 | 48 | 48.2 | 53.7 | 46.7 | 54.2 | SW | | T | 29.922 | 55.2 | 29.875 | 55.8 | 49 | 50.8 | 51.7 | 48.2 | 52.4 | S | | W | 29.720 | 51.7 | 29.588 | 54.5 | 45 | 48.2 | 49.0 | 42.3 | 50.7 | .047 | | T | 29.544 | 51.2 | 29.546 | 53.2 | 47 | 44.6 | 49.3 | 39.5 | 48.7 | .050 | | F | 28.938 | 49.6 | 29.027 | 53.2 | 45 | 47.7 | 49.2 | 41.3 | 51.3 | .105 | | S | 29.239 | 47.3 | 29.344 | 50.2 | 37 | 42.6 | 42.3 | 37.7 | 47.6 | .044 | | O | 29.556 | 46.4 | 29.506 | 49.9 | 38 | 39.6 | 47.9 | 31.8 | 48.2 | SW var. | | M | 28.662 | 44.0 | 28.675 | 46.5 | 40 | 40.2 | 45.6 | 36.2 | 45.5 | .244 | | T | 29.543 | 46.4 | 29.606 | 48.7 | 37 | 42.3 | 47.3 | 35.9 | 48.2 | .130 | | W | 29.677 | 46.6 | 29.336 | 49.2 | 42 | 47.2 | 52.2 | 41.2 | 53.3 | WSW | | T | 29.679 | 50.3 | 29.804 | 51.0 | 42 | 47.4 | 47.8 | 42.3 | 49.4 | .180 | **Means:** 29.445 47.9 29.433 49.7 41.4 45.2 49.5 40.2 50.5 **Sum:** 2,430 **Mean of Barometer, corrected for Capillarity and reduced to 32° Fahr.:** 29.401 29.384 --- **O** F 1 29.792 45.8 29.576 46.2 34 43.4 36.6 36.9 44.7 SW **O** S 2 29.511 43.2 29.609 46.4 37 39.3 40.9 33.7 44.3 .591 NW **O** G 3 29.913 42.9 30.072 45.3 36 41.6 43.5 33.8 45.0 .047 NW **O** M 4 30.366 43.6 30.336 46.4 35 39.7 46.2 32.3 46.6 .133 NW **O** T 5 30.179 43.0 30.003 47.0 35 42.3 48.8 34.7 50.2 SW **O** W 6 29.893 44.8 29.857 48.2 41 44.2 47.7 40.8 48.2 .111 SE var. **O** T 7 29.348 45.0 29.169 48.6 41 43.6 50.3 40.3 50.3 .061 SE var. **O** F 8 29.006 47.4 29.093 51.6 41 46.4 48.5 38.3 49.8 .355 SE var. **O** S 9 29.283 46.2 29.324 48.3 42 42.4 47.0 40.2 46.7 .036 E **O** Q 10 29.550 49.9 29.580 51.8 43 45.4 52.9 40.2 53.2 .194 N **O** M 11 29.707 47.0 29.722 50.0 43 43.7 47.7 42.8 48.8 .019 N **O** T 12 29.775 49.2 29.776 51.6 42 48.2 51.2 38.5 53.7 SW **O** W 13 29.816 51.3 29.756 54.5 46 51.4 55.7 45.2 56.4 SW **O** T 14 29.992 50.5 29.981 52.3 43 48.2 50.5 42.9 54.5 SW **O** F 15 30.152 53.4 30.180 56.6 49 50.3 53.5 47.5 54.2 NNW **O** S 16 30.162 49.3 30.095 52.3 45 43.4 52.7 38.8 52.6 .036 E **O** Q 17 30.115 50.0 30.162 50.5 43 46.6 47.5 42.3 47.8 .027 E **O** M 18 30.095 50.2 30.083 54.4 44 48.2 54.3 42.0 54.7 .061 S **O** T 19 30.117 53.4 30.093 56.2 45 51.2 54.0 44.3 56.2 S **O** W 20 29.984 55.3 29.893 56.8 47 53.3 54.3 48.5 55.2 SW var. **O** T 21 29.936 55.0 29.909 57.6 44 49.5 56.0 43.3 56.3 .063 SW **O** F 22 29.814 55.6 29.855 58.4 48 53.6 61.0 47.2 61.3 .061 SW **O** S 23 29.890 54.5 29.802 57.4 48 51.6 52.3 47.4 54.6 .094 SW **O** Q 24 29.609 52.3 29.740 52.7 46 46.9 47.6 45.3 47.9 .161 E **O** M 25 30.117 51.7 30.117 54.9 43 45.8 54.4 39.7 54.7 NW **O** T 26 30.111 55.6 29.981 55.2 43 50.6 52.4 44.4 53.5 NW **O** W 27 29.780 49.6 29.804 52.4 38 44.6 48.3 38.2 48.7 NW **O** T 28 29.938 53.0 29.800 53.3 38 46.3 51.7 37.5 52.3 .036 NW **O** F 29 29.903 53.3 29.849 51.9 32 39.4 46.6 35.5 46.7 .027 NW **O** S 30 29.774 50.3 29.718 51.6 32 42.3 49.6 32.2 49.4 WSW **Means:** 29.857 49.7 29.832 52.0 41.5 46.1 50.1 40.5 51.3 **Sum:** 2,488 **Mean of Barometer, corrected for Capillarity and reduced to 32° Fahr.:** 29.808 29.777 ## Meteorological Journal for May and June, 1836 | Date | Barom., A.M. | Attach., A.M. | Barom., P.M. | Attach., P.M. | Dew Point at 9 A.M. | External Thermometer | |------|-------------|---------------|--------------|---------------|--------------------|---------------------| | | | | | | | | | 9 o'clock | 29.794 | 48.7 | 29.800 | 52.3 | 39 | 43.6 | | 3 o'clock | 29.855 | 48.2 | 29.909 | 52.6 | 40 | 47.5 | | T | 29.940 | 48.8 | 29.853 | 53.8 | 40 | 46.3 | | W | 29.679 | 49.8 | 29.683 | 53.7 | 44 | 49.2 | | T | 29.699 | 49.3 | 29.780 | 53.2 | 43 | 45.7 | | F | 30.073 | 52.3 | 30.122 | 55.7 | 41 | 50.5 | | S | 30.295 | 57.2 | 30.267 | 56.7 | 42 | 53.3 | | O | 30.275 | 51.3 | 30.219 | 55.2 | 42 | 47.7 | | M | 30.259 | 58.7 | 30.237 | 61.2 | 44 | 49.7 | | T | 30.212 | 53.5 | 30.190 | 57.4 | 41 | 50.2 | | W | 30.204 | 57.2 | 30.150 | 59.3 | 43 | 53.6 | | T | 30.216 | 59.5 | 30.214 | 61.4 | 45 | 57.4 | | F | 30.356 | 61.9 | 30.348 | 63.4 | 47 | 58.5 | | S | 30.562 | 66.5 | 30.540 | 65.7 | 53 | 60.2 | | O | 30.608 | 64.5 | 30.523 | 65.8 | 50 | 57.7 | | M | 30.548 | 66.3 | 30.511 | 67.3 | 51 | 60.0 | | T | 30.564 | 66.0 | 30.507 | 66.9 | 52 | 59.3 | | W | 30.388 | 64.0 | 30.321 | 66.5 | 53 | 57.2 | | T | 30.311 | 58.3 | 30.339 | 61.7 | 49 | 51.4 | | F | 30.089 | 57.4 | 30.002 | 62.6 | 47 | 53.5 | | S | 30.016 | 61.5 | 30.033 | 64.8 | 52 | 56.7 | | O | 30.010 | 63.3 | 29.917 | 61.0 | 43 | 52.6 | | M | 29.846 | 54.7 | 29.899 | 60.4 | 45 | 52.3 | | T | 30.109 | 55.7 | 30.148 | 60.0 | 43 | 51.8 | | W | 29.265 | 57.3 | 30.253 | 60.9 | 45 | 51.2 | | T | 30.338 | 60.9 | 30.346 | 59.4 | 44 | 53.2 | | F | 30.425 | 60.0 | 30.395 | 59.0 | 42 | 54.6 | | S | 30.396 | 60.3 | 30.334 | 60.8 | 44 | 53.2 | | O | 30.380 | 65.0 | 30.330 | 63.6 | 45 | 54.7 | | M | 30.301 | 61.2 | 30.287 | 63.2 | 46 | 54.7 | | T | 30.109 | 62.4 | 29.998 | 64.2 | 46 | 55.3 | ### Mean Values: - **9 A.M.**: 30.197 in. (58.1°F) - **3 P.M.**: 30.176 in. (60.3°F) ### REMARKS: - **Cloudy—light wind.** - **Fine—cloudy and wind.** --- **Means:** - **Barometer:** 29.964 in. - **Temperature:** 68.6°F --- **Notes:** - The barometer was corrected for Capilary and reduced to 32°F. - The temperatures are given in Fahrenheit. --- **Locations:** - **NW** - **NE** - **SW** - **SE** --- **Special Conditions:** - **Evening**: Fine—or night rain. - **Cloudy**: Fine—cloudy and wind. --- **Additional Observations:** - **Weather conditions noted** throughout the entries. - **Mean values calculated** for each day.