cxx 



Meteorological Observations. 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of September, 1856. 



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

 dependent thereon. 





o £ . 



Range of the Barometer 



,0 il 



3 2 



Range 



of the Temperature 





2 S ■% 



for each hour during 



i 



for 



each hour during 





.SPOfe 



the month. 



£>g 





the month. 



Hour. 



33 « oi 





























05 -S "t? 



Max. 



Min. 



DifF. 



C 2 



68 H 



Max. 



Min. 



Diff. 





aj *^> so 









i 











Inches. 



Inches. 



Inches. 



Inches. 



o 



o 







o 



Mid- 

 night. 



29.688 



29.818 



29 262 



0.556 



81.9 



84.4 



78.6 



58 



1 



.672 



.808 



.224 



.584 



81.4 



83.9 



78.0 



5.9 



2 



.657 



.798 



.209 



.589 



81.4 



83.4 



78.9 



4.5 



3 



.652 



.792 



.178 



.614 



81.1 



83.6 



77.4 



6.2 



4 



.650. 



.H00 



.156 



.644 



80.9 



83.4 



77.4 



6.0 



5 



.658 



805 



.165 



.640 



80.8 



83.6 



77.4 



6.2 



6 



.673 



.823 



.176 



.647 



80.7 



83.6 



77.0 



6.6 



7 



.693 



.840 



.191 



.649 



81.4 



84.0 



78.4 



5.6 



8 



.713 



.858 



.200 



.658 



82.5 



85.7 



76.6 



9.1 



9 



.724 



.870 



.207 



.663 



83 7 



87-2 



78.0 



9.2 



10 



.727 



.877 



.216 



.661 



84.9 



88 2 



78.4 



9.8 





.717 



.858 



.243 



• 615 



86.1 



89-6 



78.6 



11.0 



Noon. 



.698 



.848 



.262 



.586 



86.9 



90.6 



78.0 



12.6 



1 



.670 



.813 



.284 



.529 



87.0 



90.8 



80.0 



10.8 



2 



.641 



.780 



.280 



.500 



87.0 



91.6 



82-0 



y.6 



3 



.624 



.761 



.284 



.477 



86.1 



90.3 



80.6 



9.7 



4 



.613 



.762 



.279 



.483 



85.8 



90.3 



79.8 



10 5 



5 



.616 



.748 



.280 



.468 



85.0 



89.4 



80.2 



9.2 



6 



.629 



.766 



.265 



.501 



84.0 



87.8 



78.4 



94 



7 



.650 



.794 



.287 



.507 



83.4 



86.4 



79.4 



7.0 



8 



.676 



.825 



.311 



.514 



82.9 



85 8 



80.0 



5.8 



9 



.698 



.843 



.323 



.520 



82.6 



85.4 



79.8 



5 6 



10 



.707 



.854 



.319 



.535 



82.3 



85.2 



79 3 



59 



11 



.702 



.854 



• 307 



.547 



81.9 



84.7 



78.6 



6.1 



