Meteorological Observations. 



Ix 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the /Surveyor Ueneral's Office, Calcutta, 



in the month of August 1873. 



Latitude 22° 33' 1" North. Longitude 88° 20' 34.." East. 



Height of the Cistern of the Standard Barometer above the sea level, 18.1 1 feet. 



Daily Means, &c. of the Observations and of the Hygronietrical elements 



dependent thereon. 



Date. 



1 



2 



3 



4 



5 



6 



7 



8 



9 



10 



11 



12 



13 



14 



15 



16 



17 



18 



19 



20 



21 



22 



23 



24 



25 



26 



27 



28 



29 



30 



31 



Range of the Barometer 

 during the day. 



Max. 



Min. 



Diff. 



Inches. 



0.143 

 .103 

 .132 

 .139 

 .108 

 .144 

 .113 

 .097 

 .092 

 .133 

 .108 

 .081 

 .108 

 .119 

 .120 

 .112 

 .095 

 .102 

 .143 

 .139 

 .133 

 .135 

 .115 

 .129 

 .128 

 .154 

 .113 

 .136 

 .107 

 .116 

 .111 



3 ^ 



rn to 



fig 

 a s 



3 



Range of the Tempera- 

 ture during the day. 



Max. 



81.8 

 82.5 

 83.6 

 84.5 

 82.3 

 81.2 

 81.3 

 82.7 

 83.3 

 80.9 

 80.2 

 79.5 

 80.2 

 82.1 

 83.3 

 84.2 

 84.9 

 83.3 

 84.0 

 83.9 

 86.5 

 86.0 

 83.8 

 85.3 

 86.1 

 85.5 

 85.7 

 83.2 

 82.7 

 83.0 

 84.3 



Min. 



Diff. 



6.0 



10.5 



10.9 



11.5 



5.5 



4.7 



3.5 



7.3 



4.3 



5.8 



7.3 



6.4 



6.7 



9.4 



10.5 



10.0 



7.5 



10.5 



11.5 



10.7 



9.8 



8.5 



6.9 



8.5 



10.1 



7.5 



10.3 



9.0 



9.0. 



7.4 



9.5 



The Mean Height of the Barometer, as likewise the Dry and Wet Bulb 

 Thermometer Means are derived, from the hourly observations, made at tli® 

 several hours during the day. 



