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. The usual Observanda, requiring some alteration, in consequence of the new Barometer, will (for the present year) be placed at the end of this Journal. | Date | Time | Barometer (uncorrected) | Att. Ther. | Barometer (uncorrected) | Att. Ther. | External Thermometer | Rain in inches | Direction of the Wind at 9 A.M. | Remarks | |------|------|------------------------|-----------|------------------------|-----------|---------------------|---------------|---------------------------------|---------| | 1837 | 9 o'clock, A.M. | Flint Glass | Crown Glass | Flint Glass | Crown Glass | Fahrenheit | Self-registering | Read off at 9 A.M. | Direction of the Wind at 9 A.M. | Remarks | | | 3 o'clock, P.M. | Flint Glass | Crown Glass | Flint Glass | Crown Glass | Dew Point at 9 A.M. | Lowest | Highest | NW | Fine—light clouds and wind throughout the day. Evening, Fine and clear. | | | External Thermometer | 9 A.M. | 3 P.M. | 9 A.M. | 3 P.M. | 9 A.M. | 3 P.M. | 9 A.M. | 3 P.M. | 9 A.M. | 3 P.M. | | | Barometer corrected | Mean Barometer corrected | Mean Barometer corrected | Mean Barometer corrected | Mean Barometer corrected | Mean Barometer corrected | Mean Barometer corrected | Mean Barometer corrected | Mean Barometer corrected | Mean Barometer corrected | Mean Barometer corrected | --- **REMARKS:** - **NW**: Fine—light clouds and wind throughout the day. Evening, Fine and clear. - **A.M.**: Light fog, with rapid thaw. P.M. Overcast—deposition. - **SSW**: A.M. This fog, with thaw. Snow nearly all gone. P.M. Overcast—light rain with high wind throughout the day. Evening, Very light rain. - **SSE**: A.M. Overcast—light rain with brisk wind. P.M. Fine—light clouds and wind. - **SW**: A.M. Fine and cloudless—light wind and snow. Evening, Cloudy—light wind. - **S**: A.M. Fine and cloudless—light wind and snow. Evening, Fine and starlight. --- **Mean Barometer corrected:** - **9 A.M.**: 29.915 - **3 P.M.**: 29.889 --- **Mean Barometer corrected:** - **9 A.M.**: 29.907 - **3 P.M.**: 29.881 ## METEOROLOGICAL JOURNAL FOR MARCH AND APRIL, 1837. | Date | Barometer uncorrected | Att. Ther. | Barometer uncorrected | Att. Ther. | External Thermometers | Self-registering | |------|-----------------------|------------|-----------------------|------------|-----------------------|------------------| | | Flint Glass | Crown Glass| Flint Glass | Crown Glass| 9 A.M. | 3 P.M. | | | | | | | Lowest | Highest | | | | | | | | | | 1837 | W 1 | 30.376 | 30.366 | 37.7 | 30.382 | 30.378 | | | T 2 | 30.352 | 30.346 | 37.5 | 30.250 | 30.248 | | | F 3 | 30.310 | 30.304 | 38.8 | 30.250 | 30.248 | | | S 4 | 30.056 | 30.052 | 40.9 | 30.076 | 30.070 | | | Q 5 | 30.084 | 30.076 | 40.6 | 29.958 | 29.952 | | | M 6 | 29.956 | 29.952 | 41.5 | 30.000 | 29.994 | | | T 7 | 30.078 | 30.072 | 40.9 | 30.102 | 30.098 | | | W 8 | 30.224 | 30.218 | 41.5 | 30.180 | 29.176 | | | T 9 | 30.088 | 30.084 | 42.3 | 29.996 | 29.992 | | | F 10 | 29.638 | 29.634 | 44.7 | 29.416 | 29.412 | | | S 11 | 29.300 | 29.296 | 43.9 | 29.274 | 29.265 | | | O 12 | 29.386 | 29.382 | 43.6 | 29.454 | 29.448 | | | M13 | 29.820 | 29.816 | 40.8 | 29.986 | 29.980 | | | T14 | 30.354 | 30.348 | 41.9 | 30.310 | 30.306 | | | W15 | 30.186 | 30.180 | 40.2 | 30.094 | 30.084 | | | T16 | 30.070 | 30.064 | 40.2 | 30.100 | 30.094 | | | F17 | 29.206 | 30.288 | 40.9 | 30.292 | 30.284 | | | S 18 | 30.230 | 30.226 | 41.2 | 31.060 | 30.154 | | | O 19 | 30.050 | 30.046 | 42.3 | 29.968 | 29.964 | | | M20 | 29.904 | 29.900 | 41.2 | 29.884 | 29.878 | | | T21 | 29.876 | 29.870 | 36.0 | 29.784 | 29.780 | | | O 22 | 29.780 | 29.772 | 35.8 | 29.794 | 29.790 | | | T23 | 29.720 | 29.716 | 34.2 | 29.694 | 29.683 | | | F24 | 29.746 | 29.740 | 35.0 | 29.776 | 29.772 | | | S25 | 29.800 | 29.796 | 34.3 | 29.754 | 29.748 | | | O 26 | 29.726 | 29.720 | 38.6 | 29.740 | 29.736 | | | M27 | 30.004 | 30.000 | 39.2 | 30.026 | 30.018 | | | T28 | 29.966 | 29.960 | 39.9 | 29.900 | 29.892 | | | W29 | 29.710 | 29.704 | 42.3 | 29.670 | 29.664 | | | T30 | 29.782 | 29.778 | 41.7 | 29.766 | 29.760 | | | F31 | 29.922 | 29.918 | 45.7 | 29.920 | 29.914 | | | MEAN. | 29.961 | 29.956 | 40.2 | 29.934 | 29.929 | | | | | | | 41.4 | 31.5 | | | | | | | 0.23 | 37.4 | | | | | | | 41.3 | 33.9 | | | | | | | 42.6 | 0.433 | ### REMARKS - **NW** Overcast—light brick wind throughout the day. Evening, Cloudy. - **NNE** A.M. Cloudy—light brick wind. P.M. Cloudy. Evening, Light rain. - **N** Lightly overcast, with light brick wind throughout the day. - **WNW** (A.M.) Fine—light clouds and high wind. Rain early—high wind throughout the day. Evening, Cloudy. - **WSW** A.M. Light fog and wind. P.M. Cloudy. Evening, Very light rain. - **N** Cloudy—light brick wind throughout the day. - **SW** (A.M.) Overcast—light wind. P.M. Fine—light clouds and wind. - **SSW** (A.M.) Fine—light clouds—haze and wind throughout the day. Evening, Cloudy. - **S** A.M. Fine—light clouds and wind. P.M. Cloudy—light wind. - **SE** (A.M.) Cloudy—high wind. P.M. Overcast—high wind. Evening, Overcast—light rain. - **S** Fine—clouds and wind throughout the day. Evening, Fine & clear. - **SW** (A.M.) Fine—nearly cloudless—light wind. P.M. Overcast—light rain. - **NNW** Overcast—light brick wind throughout the day. Evening, Cloudy. - **NE** Fine—nearly cloudless—light wind throughout the day. Ev. Cloudy. - **E** Overcast—brick wind throughout the day. Ev. Very light rain. - **N** Overcast—light mist and wind nearly the whole day. - **NW** Overcast—light brick wind throughout the day. Evening, Cloudy. - **N** Cloudy—light brick wind throughout the day. - **NNE** A.M. Fine—light clouds & wind. P.M. Cloudy—Fine & clear. - **NE** (A.M.) Fine—light clouds, with brick wind. P.M. Cloudy—snow. - **WNW** (A.M.) Overcast—light brick wind. Sharp frost during the night. P.M. Cloudy—brick wind. - **WSW** Cloudy—light brick wind throughout the day. Evening, Cloudy. - **SW** (A.M.) Fine and cloudless. Sharp frost during the night. P.M. Fine and cloudless. Evening, Cloudy. - **NNW** (A.M.) Fine—light wind. P.M. Fine—light clouds and wind. - **NE** A.M. Overcast—brick wind. P.M. Fine—light clouds and wind. - **N** A.M. Cloudy—brick wind. P.M. Cloudy—snow—hail & very light rain. Evening, Cloudy. - **NNE** Fine—clouds—brick wind throughout the day. Ev. Fine & clear. - **NW** (A.M.) Cloudy—brick wind. Sharp frost during the night. P.M. Fine—clouds—brick wind. - **NE** Overcast—light wind throughout the day. Ev. Light snow & wind. - **N** Overcast—light brick wind throughout the day. (At noon, light snow & wind—cloudy change). - **NW** Overcast—light brick wind throughout the day. Evening, Cloudy. - **N** A.M. Overcast, wind moderate. P.M. Fine—light clouds & wind. - **S** A.M. Cloudy. P.M. Fine—nearly cloudless. Evening, Cloudy. - **W** Overcast—light snow and wind. - **SW** Overcast—light brick wind throughout the day. - **N** Overcast—light wind throughout the day. - **SW** Overcast throughout the day. Evening, Fine and clear. - **SW** (A.M.) Cloudy—light wind. P.M. Overcast—light rain. Evening, Overcast—continued rain. - **SSE** Overcast—light rain nearly the whole day. - **SSW** (A.M.) Fine—light clouds & wind. P.M. Cloudy, also the evening. Fine—light rain. - **SW** (A.M.) Cloudy—light wind. P.M. Fine—light clouds. Evening, Overcast—light rain. - **SSW** (A.M.) Overcast—heavy rain with light wind. P.M. Overcast. - **SSW** Evening, Cloudy. (Overcast—light rain nearly the whole of the day. Evening, Overcast—less—light brick wind. Evening, Fine and clear.) --- **Note:** From the 21st to the 27th of March, both inclusive, the water in the cistern attached to the Wet and Dry Bulb Thermometer was frozen. On the 10th and 11th of April, the water within the glass cisterns, which is attached to the Wet and Dry Bulb Thermometer, was frozen. ## METEOROLOGICAL JOURNAL FOR MAY AND JUNE, 1837. | 9 o'clock A.M. | 3 o'clock P.M. | |----------------|----------------| | Barometer uncorrected | Att. Ther. | | Flint Glass | Crown Glass | Flint Glass | Crown Glass | | New Point of Wet Bulb Thermometer | Diff. of Dry and Wet Bulb Thermometers | | External Thermometers | | Fahrenheit | Self-registering | | 9 A.M. | 3 P.M. | | Lowest | Highest | | Rain in inches | Direction of the Wind | | 1837. | ### REMARKS. (A.M.) Cloudy—brick wind. P.M. Fine—light clouds and wind. Evening, Fine and clear. (A.M.) Cloudy—light wind. P.M. Fine—light clouds and wind. Evening, Fine and clear. Overcast—cloudless throughout the day. Evening, Cloudy. (A.M.) Overcast—light wind. P.M. Fine—light clouds and wind. Cloudy, light wind. (A.M.) Fine—cloudless—light wind. P.M. Cloudy. Evening, Fine and clear. Fine and clear throughout the day. Evening, Fine and clear. (A.M.) Foggy—very light rain. Evening, Cloudy. (A.M.) Overcast—light rain throughout the day. Evening, Cloudy. (A.M.) Dark heavy clouds—light wind. P.M. Cloudy—half rain and hail. Evening, Cloudy. (A.M.) Light brick wind—hail, snow, and rain. P.M. Fine—light clouds. (A.M.) Cloudy—half with rain, P.M. Cloudy remainder of the day. (A.M.) Fine—light clouds and wind. P.M. Cloudy, with occasional showers. Evening, Overcast—light rain. (A.M.) Thick fog. P.M. Overcast—heavy rain, with thunder and lightning. Evening, Fine and clear. Overcast—light brick wind throughout the day. (A.M.) Cloudy—light brick wind. P.M. Fine and cloudless. Evening, Fine and cloudless—light wind. P.M. Cloudy—light wind. Evening, Cloudy. Cloudy with brisk wind throughout the day. (A.M.) Overcast—light rain with brisk wind. P.M. Cloudy. Evening, Fine and clear. (A.M.) Overcast—light wind. P.M. Hail storm. Overcast—light brick wind throughout the day. Overcast—light brick wind throughout the day. Lightly overcast—light wind throughout the day. Evening, Cloudy. (A.M.) Fine—cloudless—light wind. P.M. Fine—light clouds and wind. Evening, Fine and clear. (A.M.) Fine—cloudless—light wind. P.M. Fine—light clouds and wind. Evening, Fine and clear. (A.M.) Overcast—light brick wind. P.M. Cloudy—brick wind. (A.M.) Overcast—light brick wind throughout the day. (A.M.) Overcast—light rain and wind. P.M. Overcast—light wind. (A.M.) Fine and cloudless—light breeze. P.M. Fine—light clouds. Fine—light clouds and wind throughout the day. Evening, Cloudy. (A.M.) Overcast—light rain and wind. P.M. Overcast—occasional light rain. Evening, Cloudy. --- ### MEAN. | 29.966 | 29.961 | 56.9 | 29.938 | 29.933 | 55.5 | 44.3 | 50.0 | 50.6 | 55.6 | 44.4 | 57.6 | 1.674 | Mean Barometer corrected ……………… F. 29.992 .. 29.970 C. 29.996 .. 29.964 --- ### MEAN. | 30.035 | 30.036 | 65.3 | 30.011 | 30.005 | 64.9 | 55.4 | 63.3 | 61.4 | 67.0 | 53.8 | 68.5 | .890 | Mean Barometer corrected ……………… F. 30.040 .. 30.017 C. 30.036 .. 30.010