Meteoroloyical Observations. 



xliii 



Ahstracb of tlie Besults of tlie Ilourly Meteoroloyical Observations 

 tahen at the Surveyor General 1 a Office, Colcutta, 

 in the month of Octóber, 1860. 



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

 dependent thereon. 





o a> 



Range o 



? the Barometer for 



•B •- 



Range o 



the Tempera- 



Hour. 



-a S ja 



each hour durir 

 month. 



ig the 



PQ u 

 til 



ture for e;ich hour 



during the 



month. 



















a <o co 



Max. 



Min. 



Diff. 



g Ja 



Max. 



Min. 



Diff. 





1" 









& 











Inches. 



Inches. 



Inches. 



Inches. 



o 



o 



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 



.915 



.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 



7.8 



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 likevfisc the Mean Dry and Wet Eulb 

 Thermometers are derived í'roni the observations mude at the several hours 

 during the month. 



