Meteorological Observations. 



Abstract of tie Besults of the Hourly Meteorological Observations 



taken at tie Surveyor General' 's Office, Calcutta, 

 in tie month of September, 1859. 



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

 dependent thereon. 





* : 3 . 



Range of the Bai 



ometer 



'a 2 



Range of the Temperature 





Sal 



for ea 



ch hour d 



uring 



PQ £ 



for 



each hour during 



Hour. 



£ ja ^ 



the month 









the montl 























Max. 



Min. 



Diff. 





Max. 



Min. 



Diff. 





Inches. 



Inches. 



Inches. 



Inches. 



o 







o 







Mid- 

 night. 

 1 



29.705 

 .693 



29.869 

 .853 



29.546 

 .542 



0.323 

 .311 



81.8 

 81.5 



85.4 

 85.2 



78.4 

 78.6 



7.0 

 6.6 



2 



.684 



.845 



.524 



.321 



81.3 



85.0 



78.4 



6.6 



3 



.679 



.851 



.516 



.335 



81.1 



84.8 



78.0 



6.8 



4 



.669 



.850 



.496 



.354 



80.8 



84.6 



77.5 



7.1 



5 



.689 



.848 



.514 



.334 



80.6 



83.0 



76.0 



7.0 



6 



.702 



.856 



.520 



.336 



80.4 



83.0 



76.5 



6.5 



7 



.725 



.883 



.536 



.347 



81.2 



83.8 



76.2 



7.6 



8 



.748 



.908 



.565 



.343 



83.0 



85.6 



76.7 



8.9 



9 



.760 



.938 



.581 



.357 



84.2 



87.2 



77.0 



10.2 



10 



.756 



.936 



.577 



.359 



85.4 



88.6 



77.5 



11.1 



11 



.745 



.922 



.567 



.355 



86.1 



90.6 



78.2 



12.4 



Noon. 



.722 



.893 



.547 



.346 



86.9 



91.6 



79.1 



12.5 



1 



.699 



.864 



.511 



.353 



87.0 



91.8 



80.5 



11.3 



2 



.676 



.834 



.507 



.327 



86.8 



91.8 



80.6 



11.2 



3 



.654 



.824 



.482 



.342 



86.5 



92.0 



81.0 



11.0 



4 



.646 



.817 



.474 



.343 



86.5 



91.6 



80.6 



11.0 



5 



.646 



.800 



.477 



.323 



85.3 



90.0 



80.2 



9.8 



6 



.662 



.814 



.506 



.308 



84.3 



88.8 



80.1 



8.7 



7 



.677 



.843 



.535 



.308 



83.5 



87.8 



80.0 



7.8 



8 



.698 



.875 



.560 



.315 



83.0 



88.0 



80.0 



8.0 



9 



.715 



.889 ' 



.562 



.327 



82.5 



86.4 



78.6 



7.8 



10 



.725 



.900 



.579 



.321 



82.1 



86.0 



77.7 



8.3 



11 



.714 



.888 



.554 



.334 



81.7 



85.6 



77.6 



8.0 



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

 Thermometers are derived from the observations made at the several hours 

 during the month. 



