ex Meteorological Observations. 



Abstract of the Results of the Sourly Meteorological Observations 



taken at the Surveyor General s Office, Calcutta, 



for the month of July, 1856. 



Monthly Eesults. 



Inches. 

 Mean height of the Barometer, for the month, .. .. 29.492 



Max. height of the Barometer, occurred at 9 a. m. on the 4th, .. 29.643 



Min. height of the Barometer, occurred at 4 p. m. on the 21st, .. 29.316 



Extreme range of the Barometer, during the month, .. .. 0.327 



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Mean Dry Bulb Thermometer, for the month, .« .. 83.2 



Max. Temperature, occurred at 1 p. m. on the 8th, .. .. 91.7 



Min. Temperature, occurred at Noon on the 18th, .. .. 76.9 



Extreme range of the Temperature, during the month, .. ,. 14.8 



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Mean Wet Bulb Thermometer, for the month, .. .. .. 80.2 



Mean Dry Bulb Thermometer, above Mean Wet Bulb Thermometer, .. 3.0 



Computed Mean Dew-point for the month, .. .. .. 78.7 



Mean Dry Bulb Thermometer above computed Mean Dew-point, .. 4.5 



Inches. 

 Mean elastic force of vapour for the month, .. .. 0.961 



Troy grains- 

 Mean weight of vapour for the month, .. .. .. 10.31 



Additional weight of vapour required for complete saturation, .. 1.58 



Mean degree of Humidity for the month, complete saturation being unity. 0.87 



Inches. 



Rained 29 days. Max. fall of rain during 24 hours, .. .. 1.52 



Total amount of rain during the month, .. .. 10.94 



