Meteorological Observations. 



lv 



Abstract of the Results of the Hourly Meteorological Observations 

 taken at th.6 Surveyor OeneraVs Office, Calcutta, 

 in the month of July, 18G5. 



Monthly Kesults. 



Mean height of the Barometer for the mouth, „. 



Max. height of the Barometer occurred at 9 & 10 a. si. on the 28th, 



Min. height of the Barometer occurred at 3 p. m. on the 7th, 



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, „. 



Inches 

 29.575 

 29.803 

 29.380 



0.423 

 29,625 

 29.519 



0.106 



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



Max. Temperature occurred at 1 p. M. on the 3rd, 

 Min. Temperature occurred at Midnight on the 30th, 

 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, . . 



83.9 

 92.6 



77.4 

 15,0 

 88.5 

 80.5 

 8.0 



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 Yapour for the month, ,. ., 



80.8 

 3.1 



78.6 



5.3 



Inches 



0.958 



Troy grains 

 Mean Weight of Vapour for the month, .. .. .. 10.2S 



Additional Weight of Vapour required for complete saturation, .. 1,85 



Mean degree of humidity for the month, complete saturation being unity, 0.S5 



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

 Total amount of rain during the month, 

 Prevailing direction of the Wind, .. ., 



Inches 

 2 79 

 12.19 

 S. & S. E, 



