Meteorological Observations. xv 



Abstract of the Results of tlie Hourly Meteorological Observations 



talcen at the Surveyor GeneraVs Office, Calcutta, 



in the month of August, 1S62. 



Monthly Eesitlts. 



Mean height of the Barometer for the mouth, 

 Max. height of the Barometer occurred at 9 A. M. on the 1st, 

 Min. height of the Barometer occurred at 4 P. M. on the 16th, 

 Extreme range of the Barometer during the month. 

 Mean of the Daily Mas. Pressures, ,. .. 



Ditto ditto Min. ditto, 

 Mean daily range of the Barometer during the month, 



Indies 

 29.539 

 29.718 

 29.312 



0.406 

 29.595 

 29.479 



0.116 



Mean Dry Bulb Thermometer for the month, 

 Max. Temperature occurred at 3 p. m. on the 8th, 

 Min. Temperature occurred at 3 A. M. on the 27th, 

 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, 



Mean Elastic force of Vapour for the month, 



Mean Weight of Vapour for the month, 



Additional Weight of Vapour required for complete saturation, 



Mean degree of humidity for the month, complete saturation being unity, 



91.0 



77.0 

 14.0 

 87.1 

 80.2 



6.9 

 80.0 



3.0 

 78.5 



4,5 



Inches 

 0.955 



Troy grains 

 .. 10.25 



Rained 25 days, Max. fall of rain during 24 hours, 

 Total amount of rain during the month, .. 



Prevailing direction of the Wind, .. 



1.57 



0.87 



Inches 



2.69 



12.03 



S. & E, 



