Meteorological Observations. 



XXIX 



Abstract of the Results of the Hourly Meteorological Observations 

 taken at the Surveyor General' s Office, Calcutta, 

 in the month of September, 1855. 



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



feet. 

 Height of the cistern of the Standard Barometer above the level of the Sea, 18.1 1 



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

 dependent thereon. 



Date. 



ean Height of 

 the Barometer 

 at 32° Faht. 



Range of the Barometer 

 during the day. 



x> £ 



-3 S 



Qg 

 <u E-* 



Range of the Tempe- 

 rature during 

 the day. 





Max. 



Min. 



Diff. 



Max. 



Min. 



Diff. 





% 









S 











Inches. 



Inches. 



Inches. 



Inches. 











o 



o 



1 



29.624 



29.693 



29.531 



0.162 



84.9 



91.0 



80.7 



10.3 



2 

 3 



Sunday. 

 .630 



.683 



.551 



.132 



83.4 



87.2 



80.4 



68 



4 



.638 



.690 



.576 



.114 



82.8 



87.7 



80.4 



7.3 



5 



.639 



.687 



.575 



.112 



82.2 



86.0 



80.2 



5.8 



6 



.595 



.654 .523 



.131 



81.4 



87.1 



78.8 



8.3 



7 



•595 



.645 



.532 



.113 



81.5 



87.4 



78.8 



8.6 



8 



.643 



.726 



.570 



.156 



79.3 



80.8 



77.6 



3.2 



9 



10 



Sunday. 

 .773 



.833 



.725 



.108 



80.4 



83.6 



79.0 



4.6 



11 



.796 



.856 



.735 



.121 



81.1 



85.6 



78.8 



6.8 



12 



.757 



.821 



.677 



.144 



82.8 



87.6 



78.6 



9.0 



13 



.722 



.771 



.662 



.109 



81.9 



84.6 



80.2 



4.4 



14 



.703 



.751 



.647 



.104 



81.3 



85.1 



79.2 



59 



15 



.689 



.748 



.613 



.135 



82.2 



88.5 



79.2 



9.3 



16 

 17 



Sunday. 

 .580 



.626 



.509 



.117 



81.0 



85.6 



79.0 



6.6 



18 



.534 



.580 



.477 



.103 



78.7 



79.7 



77.4 



2.3 



19 



.574 



.639 



.540 



.099 



81.4 



85.0 



78.6 



6.4 



20 



.594 



.677 



.539 



.138 



83.3 



88.2 



78.5 



9.7 



21 



.690 



.757 



.631 



.126 



83.8 



87.2 



79.6 



7.6 



22 



.748 



.828 



.689 



.139 



83.9 



89.4 



80.3 



9.1 



23 

 24 



Sunday. 



.752 



.807 



.685 



.122 



83.5 



89.0 



80.2 



8.8 



25 



.780 



.851 



.728 



.123 



83.8 



88.1 



80.4 



7.7 



2G 



.811 



.868 



.736 



.132 



83.9 



89.8 



80.2 



9.6 



27 



.797 



.862 



.713 



.149 



84.0 



90.4 



80.4 



10.0 



28 



.792 



.847 



.724 



.1*3 



82.8 



89.6 



79.4 



10.2 



29 



.792 



.852 



.740 



.112 



82.1 



85.6 



80.0 



5.6 



30 



Sunday. 

















