CIV 



Meteorological Observations. 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor GeneraVs Office, Calcutta, 



in the month of June, 1856. 



Monthly Besults. 



Mean height of the Barometer for the month, 

 Max. height of the Barometer, occurred at 10 a. m. on the 4th, 

 Min. height of the Barometer, occurred at 5 a. m. on the 14th, 

 Extreme range of the Barometer during the mouth, 



Inches* 

 29.545 

 29.745 

 29.352 

 0.393 



Mean Dry Bulb Thermometer for the month, 

 Max. Temperature, occurred at 1 p. m. on the 30th, 

 Min. Temperature, occurred at 4 a. m. on the 19th, 

 Extreme range of the Temperature during the month, 



o 

 83.3 

 91.8 

 76.4 

 15.4 



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 



Rained 22 days. Max. fall of Rain during 24 hours, 

 Total amount of rain during the month, 



80.2 



3.1 



78.0 



4.7 



Inches. 



0.958 



Troy grains. 



10.28 



1.65 



0.86 



Inches. 



2.34 



12.67 



