xli Meteor oloijical Od-serfaf/ons. 



Jbslracl of (he Bemi/ls of (lie llourit/ Ileleoroloylcdl 0bserra/'i<jv8 

 taken at, the Sttrvefjor General's O/Jiee, Calcut/a, 

 ill Ihe month of 31a// 1876. 



MONTULY IvKSUI/rS. 



Indies. 



Mean lieiirlit of tlie Barometer for tlie nioiitli ... ... ... 29.653 



Max.lieighfcof the liai'onieter occurred at 9 a. m. on tlie IStb... ... 29.800 



]\Jiu. lieiglit of tlie Barometer occurred at 5 p. M. oil the 30tli ... 29.509 



Sxtreme range of the Barometer duriug the month ... ... 0.291. 



Mean of the daily Max. Pressures ... ... ... ...29.716 



Ditto ditto IJin. ditto ... ... ... ... 29.580 



Mean daiJt/ )-ange oi the Barometer during the mouth ... ... 0.136 



o 



Mean Dry Bulb Thermometer for tlie montli ... ... ... 86.5 



Max. Temperature occurred at 2, 3 & 4 p- m. ou the lltli& 21st ... 98.5 



Min. Temperature occurred at 10 p. M. on the 15th. ... ... 75.5 



Extreme range of the Temperature duriug the montli ... ... 23.0 



Mean of the daily Mas. Temperature ... ... ... ... 94.8 



Ditto ditto Min. ditto, ... ... ... ... 80.4 



Mean dally range oi the Temperature during the montli ... ... 14.4 



Mean Wet Bull) Thermometer for the month ... ... ... 80.4 



Mean Diy Bulb Thermometer al)ove Mean TVet Bulb Thermometer 6.1 



Computed Mean Dev\"-point for the month ... ... ... 76.7 



Mean Diy Bulb Thermometer above computed mean Dew-point ... 9.8 



Inches. 

 Mean Elastic force of Vapour for the month ... ... ... 0.902 



Troy grain. 

 Mean Weight of Vapour for the month ... ... ... 9.60 



iidditional Weight of Vapour required for complete saturation ... 3.50 

 Mean degree of humidity for the month, complete saturation being unity 0.73 



o 

 Mean Max. Solar radiation Thermometer for the month ... ... 142.0 



Inches. 

 Ivaincd 10 days, — IMax. fall of rain durijig 24 hours ... ... ].0o 



Total amount of rain during the month ... ... ... 2.93 



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

 meter during the month ... ... ... ... ,,. 2.14 



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



* IlcigUt 70 feet 10 ioelics above ground. 



