Meteorological Observations. xci 



Abstract of the Results of tie Hourly Meteorological Observations 



taken at the Surveyor General } s Office, Calcutta, 



in the month of December, 186-1. 



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

 dependent thereon. 





°t« 



Range 



of the Barometer 



"3 £ 



Range of the Temperature 





!^ 



for each hour c 



uring 



CO v 

 h> o 



a g 



e 2 



for 



each hour during 



Hour. 



03 J3 4J 



1 



:he month 







the month 



• 





Max. 



Min. 



Diff. 



Max. 



Min. 



Diff. 





s 









3 











Inches. 



Inches. 



Inches. 



Inches. 



o 











o 



Mid- 

 night. 



30.026 



30.112 



29.953 



0.159 



66.5 



70.4 



60.0 



10.4 



1 



.024 



.103 



.943 



.160 



65.8 



69.9 



59.4 



10.5 



2 



.016 



.103 



.938 



.165 



65.3 



69.8 



58.6 



11.2 



3 



.004 



.086 



.940 



.146 



64.8 



69.6 



57.9 



11.7 



4 



.009 



.098 



.934 



.164 



64.0 



68.8 



57.4 



11.4 



5 



.023" 



.105 



.940 



.165 



63.7 



68.4 



ms 



11.8 



6 



.039 



.122 



.949 



.173 



63.0 



68.0 



56.2 



11.8 



7 



.062 



.146 



.974 



.172 



63.0 



67.8 



56.4 



11.4 



8 



.088 



.171 



30.002 



.169 



66.3 



70.4 



59.4 



11.0 



9 



.111 



.191 



.027 



.164 



70.0 



74.1 



64.8 



9.3 



10 



.108 



.186 



.027 



.159 



73.2 



76.4 



68.0 



8.4 



HI 



.088 



.176 



.005 



.171 



75.5 



78.0 



70.8 



7.2 



&oon 



.057 



.145 



29.969 



.176 



77.3 



80.8 



72.8 ' 



8.0 



i 



.024 



.115 



.930 



.185 



78.4 



81.8 



74.0 



7.8 



2 



.001 



.101 



.904 



.197 



79.3 



82.8 



74.4 



8.4 



3 



29.989 



.096 



.898 



.198 



79.0 



83.0 



74.4 



8.6 



4 



.985 



.094 



.901 



.193 



77.2 



81.0 



72.2 



8.8 



5 



.993 



.095 



.906 



.189 



75,4 



79.2 



70.4 



8.8 



6 



30.008 



.119 



.916 



.203 



73.2 



77.0 



68.0 



9.0 



7 



.024 



,141 



.933 



.208 



71.2 



75.1 



65.4 



9.7 



8 



.038 



.153 



.949 



.204 



69.7 



73.2 



63.9 



9.3 



9 



.047 



.160 



.967 



.193 



68.7 



72.4 



63.0 



9.4 



10 



.049 



.146 



.967 



.179 



67.8 



71.6 



62.4 



9.2 



11 : 



.040 



.140 



.960 



.180 



66.9 



71.2 



60.2 



11.0 



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

 mometer Means are derived from the Observations made at the several koirs 

 daring the month. 



