liv 



Meteorological Ohservations. 



Abstrae í of the Besults of the Ilourly Meteorological Ohservations 

 tallen at the Surveyor General' s Office, Calcutta, 

 in tlie month of JVovemher, 1860. 



MONTHLY KESULTS. 



Inclies. 



Mean height of the Barometer for the month, .. .. 29.930 



Max. height of the Barometer, oceurred at 10 A. M. on the 27th, . . 30.167 



Min. height of the Barometer, oceurred at 3 & 5 P. M. on the 19tb, .. 29.743 



Extreme range of the Barometer during the month, . . . . 0.427 



Mean of the Daily Max. Pressures, . . . . . . 30.000 



Ditto ditto Min. ditto, .. .. .. 29.874 



Mean daily range of the Barometer during the month, . . . . 0.126 



Mean Dry Bulb Thermometer for the month, 

 Max. Temperature oceurred at 2 P. M. on the 19th, 

 Min. Temperature oceurred at 6 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, 



o 



75.5 

 88.6 

 60.4 

 28.2 

 84.4 

 68.8 

 15.6 



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 forcé of vapour for the month, 



o 



68.5 



7.0 



65.0 



10.5 



Inches 



0.617 



Troy grains 

 Mean weight of Vapour for the month, . . . . . . 6.72 



Additional weight of Vapour required for complete saturation, .. 2.74 



Mean degree of humidity for the month, complete saturation being unity, 0.71 



Eained No day, Max. fall of rain during 24 hours, 

 Total amount of rain during the month, 

 Prevailing direction of the Wind, 



Inches 

 Jffil. 



Nil. 



N.&m. w. 



