Meteorological Observations. XX111 
Abstract of the Results of the Hourly Meteorological Observations 
taken at the Surveyor General's Office, Calcutta, in the 
mouth of March 1866. 
Monraty ReEsutts. 
Inches. 
Mean height of the Barometer for the month.... ... 29.811 
Max. height of the Barometer occurred at 10 4. mM. on the 12th, ... 30.060 
Min. height of the Barometer occurred at 5 Pp. mM. on the 22nd, ... 29.619 
Extreme} range of the Barometer during the month, us w. 0.441 
Mean of the daily Max. Pressures, ... Bi oe ... 29.893 
Ditto ditto Min. ditto fhe ... 29.740 
Mean daily range of the Barometer duri ing the month, ... ree ODS 
o) 
Mean Dry Bulb Thermometer for the month, ... ou jap By) 
Max. Temperature occurred at 4p. M. on the 22nd, Be OSG 
Min. Temperature occurred at 7 a. m. on the 6th, Ba tue) Meee 
Extreme range of the Temperature oe the month, ... Foon (ler 
Mean of the daily Max. Temperature .. be ee Wao OARS 
Ditto ditto Min. ditto, A ee Oe fim! 
Mean daily range of the Temperature during the month... bichin 2 bShm 
Mean Wet Bulb Thermometer for the month, ... 75.1 
Mean Dry Bulb Thermometer above Mean Wet Bulb Thermometer, 8.8 
Computed Mean Dew-point for the month, ie ~ Gel) 
Mean Dry Bulb Thermometer above computed mean Dew- -point. . 15.0 
ne aee 
Mean Elastic force of Vapour for the month, ... oF ee OO 
Troy grains. 
Mean Weight of Vapour for the month Me Nees Sayfa. 
Additional Weight of Vapour required for complete saturation, ... 4.62 
Mean degree of humidity for the month, complete saturation being unity 0.62 
Inches. 
Drizzled 2 days,—Max. fall of rain during 24 hours ie veh Nil 
Total amount of rain during the month, aes se Nil 
Prevailing direction of the Wind, a see S.&W.&S. W. 
