Meteorological Observations. 



six 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor QeneraVs Office, Calcutta, 



in the month of September, 1862. 



Hourly Means, Sec. of the Observations and of the Hygrometrical elements 

 dependent thereon. 



Hour. 



Height of 

 Barometer 

 52° Faht. 



Range of the Barometer for 



each hour during the 



month. 



5 u 



Q 3 



Range of the Tempera- 

 ture for each hour 

 during the 

 month. 









1 











«s -a •" 



<t> -fcj oS 



Max. 



Min. 



Diff. 



S H 



Max. 



Min. 



Diff. 





§ 









s 











Inches. 



Inches. 



Inches. 



Inches. 







o 



o 



o 



Mid- 

 night. 



29.717 



29.840 



29.563 



0.277 



81.2 



83.8 



78.4 



5.4 



1 



.703 



.837 



.560 



.277 



80.9 



83.8 



78.4 



5.4 



2 



.695 



.824 



.554 



.270 



80.7 



83.4 



78.2 



5.2 



3 



.685 



.821 



.545 



.276 



80.5 



83.2 



77.8 



5.4 



4 



.678 



.791 



.548 



.243 



80.3 



83.0 



76.6 



6.4 



5 



.698 



.841 



.561 



.280 



80.3 



83.0 



76.4 



6.6 



6 



.716 



.847 



.595 



.252 



80.1 



82.8 



76.2 



6.6 



7 



.732 



.856 



.604 



.252 



80.8 



84.0 



77.2 



6.8 



8 



.751 



.873 



.615 



.258 



82.4 



85.4 



78.5 



6.9 



9 



.763 



.878 



.629 



.249 



83.8 



86.8 



78.8 



8.0 



10 



.760 



.880 



.625 



.255 



84.9 



88.0 



79.8 



8.2 



11 



.749 



.851 



.605. 



.246 



86.0 



90.4 



77.8 



12.6 



Noon. 



.728 



.830 



.582 



.248 



86.3 



90.8 



77.8 



13.0 



1 



.699 



.805 



.549 



.256 



86.4 



91.1 



78.0 



13.1 



2 



.671 



.782 



.522 



.260 



85.4 



91.8 



78.4 



13.4 



3 



.653 



.758 



.510 



.248 



85.1 



92.2 



■77.8 



14.4 



4 



.647 



.747 



.491 



.256 



84.8 



91.8 



78.4 



13.4 



5 



.647 



.751 



.492 



.259 



83.8 



90.0 



79.0 



11.0 



6 



.658 



.757 



.514 



.243 



82.9 



88.4 



78.6 



9.8 



7 



.678 



.781 



.538 



.243 



82.5 



86.8 



77.8 



9.0 



8 



.703 



.808 



.581 



.227 



82.1 



86.0 



77.8 



8.2 



9 



.720 



.830 



.591 



.239 



81.8 



85.8 



78.4 



7.4 



10 



.725 



.833 



.581 



.252 



81.5 



85.2 



78.2 



7.0 



11 



.728 



.826 



.602 



.224 



81.2 



84.4 



78.6 



5.8 



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

 Thermometers are derivod from the Observations made at the several hours 

 during the month. 



