meteorological Observations. 



xliii 



Abstract of tne Besults of the Hourly Meteorological Observations 

 taken at the Surveyor General 'a Office, Calcutta, 

 in the month of October, 1860. 



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

 dependent thereon. 



Hour. 



3an Height of 

 the Barometer 

 it 32° Faht. 



Range of the Barometer for 



each hour during the 



month. 



"3 3 

 pa % 



p a 



g J] 



Range of the Tempera- 

 ture for each hour 

 during the 

 month. 





Max. 



Min. 



Diff. 



Max. 



Min. 



Diff. 





S 









*?. 











Inches. 



Inches. 



Inches. 



Inches. 



o 















Mid- 

 night. 



29.803 



29.888 



29.655 



0.233 



79.6 



83.2 



76.6 



6.6 



1 



.795 



.880 



.633 



.247 



79.3 



82.8 



75.6 



7.2 



2 



.789 



.873 



.621 



.252 



78.8 



82.5 



74.6 



7.9 



3 



.788 



.850 



.623 



.227 



78.4 



82.3 



74.0 



8.3 



4 



.785 



.869 



.613 



.256 



78.3 



82.6 



73.5 



9.1 



5 



.810 



.884 



.613 



.271 



77.6 



81.2 



72.6 



8.6 



6 



.818 



.900 



.635 



.265 



77.8 



82.2 



72.8 



9.4 



7 



.839 



.919 



.658 



.261 



78.3 



81.8 



73.2 



8.6 



8 



.857 



.945 



.682 



.263 



80.4 



84.0 



75.4 



8.6 



9 



.875 



.956 



.679 



.277 



82.4 



85.4 



78.4 



7.0 



10 



.873 



.959 



.671 



.288 



83.7 



87.0 



79.2 



78 



11 



.855 



.944 



.663 



.281 



85.2 



88.2 



79.2 



9.0 



Noon. 



.831 



.909 



.647 



.262 



86.3 



89.6 



79.4 



10.2 



1 



.806 



.885 



.604 



.281 



86.7 



90.6 



80.2 



10.4 



2 



.779 



.851 



.589 



.262 



86.9 



91.2 



81.3 



9.9 



3 



.766 



.837 



.570 



.267 



86.4 



90.4 



81.2 



9.2 



4 



.761 



.835 



.580 



.255 



86.0 



89.3 



81.6 



7.7 



5 



.761 



.835 



.586 



.249 



84.9 



89.2 



81.2 



8.0 



6 



.772 



.856 



•599 



.257 



83.2 



86.2 



80.4 



5.8 



7 



.791 



.887 



.611 



.276 



82.0 



85.4 



78.8 



6.6 



8 



.806 



.893 



.648 



.245 



81.2 



84.2 



77.6 



6.6 



9 



.821 



.896 



.657 



.239 



80.7 



83.6 



76.4 



7.2 



10 



.825 



.903 



.673 



.230 



80.2 



83.6 



76.0 



7.6 



11 



.828 



.903 



.674 



.229 



79.8 



83.6 



75.2 



8.4 



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

 Thermometers are derived from the observations made at the several hours 

 daring the month. 



