xxir Meteorological Obsercatious. 



Ahatract of the llesulls of the llourli/ Meteorological Olservations 



taken at the Siirvei/or General's 0[jice, Calcutta, 



in the month of March 1876. 



Monthly Hesults. 



Indies. 



Mean lieit(lit of tlie IBarometer for tlie montli ... ... ... 29.825 



Mas. lieiglifcof the 13aroiiiet;ei- oecurredat 10 A. m. on tlie 13tli ... 30.033 



Mill. Leiglifc of the Baronieter occTiri-ed at 6 p. m. on the 2Si'd .., 29.577 



2<!xtreme range o'i the Earonieter during the month ... ... O.4o6 



Mean of the daily ]Max. Pressures ... ... ... ...29.899 



Ditto ditto J\rin. ditto ... ... ... ... 29.756 



Mean dailg range of the IJarometer during the luontli ... ... 0.143 







Jlean 'nr3" Bulb Tliermometer for tlie month ... ... ... 81.1 



]Max. Temperature occurred at 4 p. m. on the 30th... ... ... 95.5 



IMin. Temperature occurred at 5 & 6 a. m. on tlie 3rd ... ... 67.5 



E.vtrenie range o^ the Temperature during the month ... ... 28.0 



Mean of the daily Max. Tem])erature ... ... ... ... 89.6 



Ditto ditto jMin. ditto, ... ... ... ... 74.5 



Mean dailg range of the Temperature during the month ... ... 15.1 



]\rean Wet Bull) Tliermometer for the month ... ... ... 74.6 



Mean Dry Bulb Thermometer above Mean Wet Bulb Thermometer 6.5 



Computed Mean Dew-point for the uionth ... ... ... 70.0 



Mean Dry Bulb Thermometer above computed mean Devi'-point ... 11.1 



Inches. 

 Mean IClastic force of Yapour for the month ... ... ... 0.727 



Troy grain. 

 Mean Weight of Va.pour for the month ... ... ... 7.82 



Additional Weight of Vapour required for com])lete saturation ... 3.35 



Mean degree of humidity for tlie month, complete saturation being unity 0.70 



o 

 Mean Max. Solar radiation Thermometer for the month ... ... 138.6 



Inches. 

 Bained 10 days, — Max. fall of rain during 24 liours ... ... 1.53 



Total amount of rain during the month ... ... ,,. 4.36 



Total amountof rain indicated by the Gauge* attached to the anemo- 

 meter during the month ... ... ... ... ... 3.74 



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



* Ujin^Ut 73 fjtft 10 iackcs above gi'ound, 



