Meteorological Observations. 



Abstract of tie Results of tie Hourly Meteorological Observations 

 tahen at tie Surveyor General's Office, Calcutta, 

 in the month of December, 1859. 



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

 dependent thereon. 





°!*5 



Range of the Bai 



ometer 



,0 £ 



Range of the Temperature 





S si 



for each hour d 



aring 





for each hour during 







the month. 







the month. 



Hour. 



£ * o 



S3 PQ <n 









a! 























do; 50 



Max. 



Min. 



Diff. 



as tr< 



Max. 



Min. 



Diff. 





§ 









$ 











Inches. 



Inches. 



Inches. 



Inches. 



















Mid- 

 night. 

 1 



30.002 



30.120 



29.880 



0.240 



65.3 



73.4 



58.4 



15.0 



29.998 



.108 



.870 



.238 



64.5 



73.0 



57.4 



15.6 



2 



.988 



.087 



.841 



.246 



64.0 



72.8 



57.0 



15.8 



3 



.981 



.078 



.836 



.242 



63.3 



72.6 



56.6 



16.0 



4 



.982 



.080 



.842 



.238 



62.6 



72.6 



56.0 



16.6 



5 



.994 



.103 



.864 



.239 



62.4 



72.2 



55.2 



17.0 



6 



30.012 



.122 



.878 



.244 



61.9 



71.8 



54.0 



17.8 



7 



.033 



.132 



.892 



.240 



61.7 



70.8 



54.0 



16.8 



8 



.065 



.173 



.914 



.259 



64.3 



71.6 



58.3 



13.3 



9 



.082 



.195 



.930 



.265 



67.1 



72.4 



61.8 



10-.6 



10 



.083 



.184 



.936 



.248 



70.1 



76.0 



66.6 



9.4 



11 



.066 



.174 



.925 



.249 



72.9 



77.8 



69.8 



8.0 



Noon. 



.037 



.140 



.916 



.224 



75.5 



79.8 



72.4 



7.4 



1 



.004 



.108 



.884 



.224 



77.1 



81.9 



74.2 



7.7 



2 



29.978 



.083 



.843 



.240 



77.7 



81.4 



75.0 



6.4 



3 



.964 



.075 



.835 



.240 



77.2 



81.3 



74.2 



7.1 



4 



.959 



.065 



.824 



.241 



75.5 



79.8 



72.4 



7.4 



5 



.965 



.070 



.821 



.249 



73.6 



78.8 



70.2 



8.6 



6 



.979 



.090 



.854 



.236 



71.6 



77.8 



67.6 



10.2 



7 



.994 



.104 



.857 



.247 



69.9 



76.2 



64.5 



11.7 



8 



30.009 



.119 



.863 



.256 



68.8 



75.8 



63.3 



12.5 



9 



.022 



.126 



.868 



.258 



67.7 



75.0 



61.8 



13.2 



10 



.023 



.140 



.876 



.264 



66.9 



74.7 



60.6 



14.1 



11 



.016 



.129 



.882 



.247 



66.1 



74.4 



59.2 



15.2 



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. 



