XXIV 



Meteorological OLservatlons, 



Alstracl of the JRcsuUs of the Hourly Meteorological Olservaiions 



tali: en at the Surveyor GeneraVs Office, Calcutta j 



in the month of March 1877. 



Monthly Eesults. 



Ij)clies. 



Mean licii^lit of tlie Barometer for tlie moiitli ... ... ... 29.900 



Max.lieiejlitof tlicliaroiiieter occurrcdat 9 A. M. ou tlfc 3rd ... ... 30.078 



Min. lieiglit of the Barometer occurred at 5 p. m. ou the 22iid ... 29.725 



Sxtreme range of tlie Barometer during the month ... ... 0.353 



Mean of tlie daily Max. Pressures ... ... ... ... 29.973 



Ditto ditto Min. ditto ... ... ... ... 29.835 



Mean daily range of the Barometer during tlie mouth ,., ... 0.138 



o 



Mean Dry Biilh Tliermomcter for the month ... ... ... 79.5 



Max. Temperature occurred at 2 p. m. on the 22nd ... ... 93.9 



Min. Temperature occurred at 7 A. m. on the 1st ... ... 66.0 



Extreme range o^ the Temperature during the montli ... ... 27.9 



Mean of the daily Max. Temperature ... ... .., ... 88.2 



Ditto ditto Min. ditto, ... ... ... ... 72.7 



Mean daily range of the Temperature during the montli ... ... 15.5 



Mean Wet Bull) Thermometer for the montli ... ... ... 72.5 



Mean Dry Bulb Thermometer above Mean Wet Bulb Thermometer 7.0 



Computed Mean Dew-point for the'montli ... ... ... 67.6 



Mean Dry Bulb Thermometer above computed mean Dew-point ... 11.9 



Inches. 

 Mean Elastic force of Yapour for the montli ... ... ... 0.672 



Grain. 

 Mean Weight of Yapour for the month ... ... ... 7.26 



Additional AVeight of Yapour required for complete saturation ... 3.40 

 Mean degree of humidity for the month, complete saturation being unity 0.68 



o 

 Mean Max. Solar radiation Thermometer for the month ... ... 112.5 



Inches. 

 Pained 12 days,— Max. fall of rain during 21 hours ..• ... 0.70 



Total amount of rain during the month ... ... ... 0.88 



Total amount of rain indicated by the Gauge* attached to the anemo- 

 meter during the month ... ... ... ... 0.58 



Prevailing direction of the Wind ... ... S S W & S by W 



* ncight 70 feet 10 inches above ground, 



