Meteorological Ohsernafious. 



x\ni 



Dalracl of the Re.siUts of the ITourli/ MeleomJoficnl Ohaerraftont 

 taken at the Siirveijor Genernl'a Offire, Calcntta 

 t u th e m outh of March 1 8 7 4< . 

 Monthly Khsults. 



IticIios, 



Mean lieiglit of tlie Barometer for tlie moiit]i ... ... ,_ 29 831 



Max. height of the J^arometer occurred at '10 a. m. oii tlie 12th 3()<)7l 



Min. lieiglit of tlie Barometer occurred at 5 p. m. oh the 24th ... 29.580 



Extreme range o^ tlie Barometer during the mouth ... ... ().49[ 



Mean of the daily ]\Iax. Pressures ... ... ... _._ 29.914 



Ditto ditto jMin. ditto ... ... ... _.. 29.7(12 



Mean daily range of the Barometer during the month ... ... 0.152 



o 



Mean Dry Bulb Tliermometer for the month ... ... ... 7^.2 



Max. Temperature occurred at 3 & 4 p. m. on the 30th ... ... 96.4, 



Min. Temperature occurred at 6 a. m. on the 13tli... ... ... 63.4 



Extreme range of tlie Temperature during the month ... ... 33.0 



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



Ditto ditto Min. ditto, ... ... ... ... 70. G 



Mean daily range oi the Temperature during the month ... ... 17.6 



Mean Wet Bull) Tliermometer for the month ... ... ... 70.2 



Mean Dry Bulb Tliermometer above Mean Wet Bulb Thermometer 8.0 



Computed Mean Dew-point for the month ... ... ... 64.6 



Mean. Dry Bulb Thermometer above computed mean Dew-point ... 13.6 



Indies. 

 Mean Elastic force of Yapour for the month ... ... ... 0.609 



Troy grain. 

 Mean Weight of Vapour for the month ... ... ... 6.59 



Additional Weight of Vapour required for complete saturation ... 3.66 

 Mean degree of humidity for the month, complete saturation being unity 0.64 



o 

 Mean Max. Solar radiation Thermometer for the month ... ... 139.6 



Inches. 



Rained 9 days,— Max. fall of rain during 24 hours ... ... 0.78 



Total amount of rain during the month ... ... ••• T94 



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



meter during the month ... ... ••■ ••;. -rtr""o w"* 



Prevailing direction of the Wind ... S. W., S. b. ^ . & VV. b. VV. 



* II eight 70 feet 10 inches above ground. 



