Meteorological Observations. 
Vil 
Abstract of the Results of the Hourly Meteorological Observations 
taken at the Surveyor General's Office, Calcutta, 
in the month of August, 1863. 
Montuty Resuvrs. 
Inches 
Mean height of the Barometer for the month, o6 oe 29.555 
Max. height of the Barometer occurred at 10 a. mM. on the 27th, 29.746 
Min. height of the Barometer occurred at 5 a. M. onthe 17th, 50 29.350 
EHatreme range of the Barometer during the month, bo 0.396 
Mean of the daily Max. Pressures, O10 29.606 
Ditto ditto Min. ditto, ss 29.497 
Mean daily range of the Barometer during the month, .. 0.109 
0) 
Mean Dry Bulb Thermometer for the month, oC 60 82.8 
Max. Temperature occurred at 3 Pp. M. on the 15th, ie oo 90.6 
Min. Temperature occurred at 5 A. M. on the 25th, se 50 75.4 
Extreme range of the Temperature during themouth, .. c 15.2 
Mean of the daily Max. Temperature, 60 oe 87.3 
Ditto ditto Min. ditto, a Ae f 79.8 
Mean daily range of the Temperature during the month, oe 7.5 
Oo) 
Mean Wet Bulb Thermometer for the month, ce Ay 79.7 
Mean Dry Bulb Thermometer above Mean Wet Bulb Thermometer,. . 3.1 
Computed Mean Dew-point for the month, os ee 97.5 
Mean Dry Bulb Thermometer above computed Mean Dew-point, 5.3 
Inches 
Mean Elastic force of Vapour for the month,.. 60 ae 0.925 
Troy grains 
Mean Weight of Vapour for the month, ae Bt oe 9.94, 
Additional Weight of Vapour required for complete saturation, ae 1.81 
Mean degree of humidity for the month, complete saturation being unity, 0.85 
Inches 
Rained 24 days, Max. fall of rain during 24 hours, .. 66 3.50 
Total amount of rain during the month, .. 4c 14,10 
Prevailing direction of the Wind, es a S.&58. H. & H. 
