lxxxvi 
Meteorological Observations . 
Abstract of the Results of the Hourly Meteorological Observations 
taken at the Surveyor General's Office, Calcutta, 
in the month of February, 1862. 
Monthly Kestjlts. 
Inches 
Mean height of the Barometer for the month, .. 29.925 
Max. height of the Barometer occurred at 10 A. M. on the 12th, 30.177 
Min. height of the Barometer occurred at 4 p. m. on the 27th, 29.620 
Extreme range of the Barometer during the month, .. 0.557 
Mean of the Daily Max. Pressures, 30.001 
Ditto ditto Min. ditto, .. .. 29.865 
Mean daily range of the Barometer during the month, 0.136 
Mean Dry Bulb Thermometer for the month, 
Max. Temperature occurred at 3 p. m. on the 27th, 
Min. Temperature occurred at 6 & 7 A. M.on the 7th, 
Extreme range of the Temperature during the month, 
Mean of the daily Max. Temperature, 
Ditto ditto Min. ditto, 
Mean daily range of the Temperature during the month, 
Mean Wet Bulb Thermometer for the month,.. 
Mean Dry Bulb Thermometer above Mean Wet Bulb Thermometer, 
Computed Mean Dew-point for the month, 
Mean Dry Bulb Thermometer above computed Mean Dew-point, 
73.4 
91.0 
56.4 
34.6 
83.1 
65.5 
17.6 
66.3 
7.1 
62.7 
10.7 
Mean Elastic force of Vapour for the month, 
Inches 
0.572 
Troy grains 
Mean Weight of Vapour for the month, 6.25 
Additional Weight of Vapour required for complete saturation, 2.62 
Mean degree of humidity for the month, complete saturation being unity, 0.71 
Rained no days, Max. fall of rain during 24 hours, 
Total amount of rain during the month, 
Prevailing direction of the Wind, .. 
Inches 
Nil. 
Nil. 
S. & W. 
