lxii Meteorological Observations. 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General* s Office, Calcutta, 



in the month of January, 1856. 



Monthly Eesults. 



Inches. 

 Mean height of the Barometer for the month, .. .... 30.049 



Max. height of the Barometer occurred at 9 a. m. on the 10th, .... 30.243 



Min. height of the Barometer, occurred at 4 p. m. on the 31st, .... 29.867 



Extreme Range of the Barometer, during the month, .. .... 0.376 



o 

 Mean Dry Bulb Thermometer for the month, .. .... 68.6 



Max. Temperature occurred at 3 p. m. on the 26th, .. .... 82.2 



Min. Temperature, occurred at 6 a. m. on the 3rd, .. .... 55.0 



Extreme Range of the Temperature, during the month, .. .... 27.2 



Mean Wet Bulb Thermometer for the month, .. .... 63.1 



Mean Dry Bulb Thermometer above Mean Wet Bulb Thermometer, .... 5.5 



Computed Mean Dew Point for the month, .. .... 60.3 



Mean Dry Bulb Thermometer above computed Mean Dew Point for the month, 8.3 



Inches. 

 Mean elastic force of vapour for the month, .. .... 0.528 



Troy grains. 

 Mean weight of vapour for the month, .. .. .... 5.84 



Additional weight of vapour required for complete saturation 1.83 



Mean degree of Humidity for the month complete saturation being unity, 0.76 



Inches. 

 Rained 2 days. Max. fall of Rain during 24 hours, .. .... 1.06 



Total amount of rain during the month, .. .... 1.06 



