Meteorological Observations. 



XI 



Abstract of the Results of tie Hourly Meteorological Observations 

 taken at the Surveyor General s Office, Calcutta, 

 in the month of July, 1859. 



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

 dependent thereon. 





*o % . 



Range of the Bar 



ometer 



"5 3 



Range 



of the Temperature 





3 S ~Z 



for each hour d 



uring 



« S 



for 



each hour c 



uring 





# bp p p^ 



the month 





b § 





the month 





Hour. 



'I i: 

 33^ & 

































rt "5 Is 



Max. 



Min. 



Diff. 





Max. 



Min. 



Diff. 





1" 









£ 











Inches. 



Indies. 



Inches. 



Inches. 















o 



Mid- 

 night. 



1 



29.543 



29.726 



28.933 



0.793 



82.9 



85.6 



78.2 



7.4 



.518 



.723 



.866 



.857 



82.8 



85.0 



78.8 



6.2 



2 



.513 



.719 



.816 



.903 



82.5 



85.2 



78.8 



6.4 



3 



.502 



.704 



.726 



.978 



82.2 



85.0 



78.8 



6.2 



4 



.499 



.698 



.721 



.977 



82.1 



84.7 



78.8 



5.9 



5 



.516 



.708 



.749 



.959 



82.0 



84.6 



78.8 



5.8 



6 



.531 



.728 



.796 



.932 



82.0 



84.4 



78.0 



6.4 



7 



.546 



.737 



.870 



.867 



82.7 



85.0 



78.6 



6.4 



8 



.563 



.754 



.969 



.785 



84.4 



86.6 



78.0 



8.6 



9 



.572 



.758 



29.064 



.694 



85.9 



88.4 



78.4 



10.0 



10 



.572 



.762 



.140 



.622 



87.7 



91.0 



78.6 



12.4 



11 



.564 



.760 



.183 



.577 



89.1 



92.2 



79.2 



13.0 



Noon. 



.553 



.745 



.177 



.568 



89.6 



93.2 



80.9 



12.3 



1 



.536 



.723 



.156 



.567 



90.1 



94.0 



80.6 



13.4 



2 



.518 



.710 



.140 



.570 



90.3 



94.1 



82.8 



11.3 



3 



.499 



.680 



.126 



.554 



89.6 



94.8 



82.2 



12.6 



4 



.478 



.651 



.100 



.551 



88.3 



93.6 



81.2 



12.4 



5 



.482 



.670 



.069 



.601 



87.4 



92.1 



79.9 



12.2 



6 



.495 



.685 



.063 



.622 



86.4 



90.4 



80.4 



10.0 



7 



.513 



.700 



.064 



.636 



85.2 



89.2 



79.5 



9.7 



8 



.533 



.718 



.069 



.649 



84.4 



88.2 



78.9 



9.3 



9 



.554 



.737 



.082 



.655 



84,0 



87.4 



77.8 



9.6 



10 



.559 



.740 



.040 



.700 



83.6 



86.6 



78.8 



7.8 



11 



.555 



.738 



.012 



.726 



83.3 



86.8 



78.8 



8.0 



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

 i Thermometers are derived from the observations made at the several hours 

 ! during the month. 



