Meteorological Observations. 



ixv 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in (lie month of April IS73. 



Latitude 22° 33' I" North. Longitude 88° 20' 34" East. 



Height of the Cistern of (lie Standard Barometer above the sea level, 18.11 feet. 



Daily Means, Sec. of the Observations and of the Ifygrometricul elements 



dependent thereon. 



The Mean Height of the Barometer, as likewise the Dry and Wet Bn!b 

 Thermometer Means are-derived, from the hourly observations, made at the 

 solera! hours daring the day. 



