Meteorological Observations. 



lix 



Abstract of the Besults of the Hourly Meteorological Observations 

 talcen at the Surveyor GeneraVs Office, Calcutta, 

 in the month of December, 1860. 



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

 dependent thereon. 





o S ^ 



Range of the Ba 



■ometer 



a 2 



Range of the Temperature 





^ol"^ 



for each hour tl 



uring 





for 



each hour during 





.£P ? '— 



the month 







the month 





Hour. 



iS ' S o 







Qg 

























CO 00 

 0} -fcJ a 



Max. 



Min. 



Diff. 



c i: 



Max. 



Min. 



Diff. 





§ 









s 











Inches. 



Inches. 



Inches. 



Inches. 











o 



o 



Mid- 

 night. 



30.006 



30.100 



29.964 



0.136 



62.6 



66.4 



57.8 



8.6 



1 



.001 



.090 



.949 



.141 



62.0 



66.0 



57.0 



9.0 



2 



29.994 



.075 



.945 



.130 



61.3 



65.2 



56.5 



8.7 



3 



.988 



.067 



.938 



.129 



60.7 



64.4 



56.1 



8.3 



4 



.984 



.051 



.949 



.102 



60.2 



63.8 



56.8 



7.0 



5 



.999 



.079 



.963 



.116 



59.7 



64.0 



54.1 



9.9 



6 



30.019 



.108 



.989 



.119 



59.2 



63.4 



54.0 



9.4 



7 



.041 



.131 



30.005 



.126 



59.3 



64 8 



54.4 



10.4 



8 



.068 



.129 



.029 



.100 



62.6 



66.8 



58.1 



8.7 



9 



.090 



.172 



.041 



.131 



65.9 



71.4 



61.4 



10.0 



10 



.087 



.159 



.034 



.125 



69.8 



74.2 



64.6 



96 



11 



.071 



.140 



.021 



.119 



73.1 



77.0 



68.8 



8.2 



Noon. 



.039 



.116 



29.987 



.129 



75.6 



78.5 



72.4 



6.1 



1 



.006 



.096 



.952 



.144 



77.1 



80.0 



74.4 



5.6 



2 



29.982 



.059 



.924 



.135 



77.9 



80.4 



75.4 



5.0 



3 



.967 



.043 



.911 



.132 



77.4 



79.4 



74.8 



4.6 



4 



.961 



.037 



.905 



.132 



75.2 



77.0 



71.0 



6.0 



5 



.965 



.035 



.919 



.116 



73.2 



75.8 



70.6 



5.2 



6 



.974 



.056 



.927 



.129 



70.4 



73.0 



66.8 



6.2 



7 



.991 



.063 



.948 



.115 



68.2 



71.7 



64.4 



7.3 



8 



30.006 



.075 



.955 



.120 



66.6 



69.8 



62.4 



7.4 



9 



.016 



.070 



.962 



.108 



65.4 



69.8 



60.4 



9.4 



10 



.019 



.076 



.977 



.099 



64.4 



68.4 



59.8 



8.6 



11 



.016 



.067 



.968 



.099 



63.5 



67.2 



58.9 



8.3 



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

 Thermometers are derived from the observations made at the several hours 

 daring the month. 



