Meteorological Observations 



Abstract of the liesults of the Hourly meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of December 1875. 



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



dependent thereon. 



ffour. 



o ^ 



be a; rd 



•s a rf 



MS 



fct 



IM 



Range of the Barometer 



for each hour during 



the month. 



Max. 



Min. 



Diff. 



Mean Dry Bulb 

 Thermometer. 



Range of the Tempera- 

 ture for each hour 

 during the month. 



Max. 



Min. 



Di(F. 





Inches. 



Inches. 



Inches. 



Inches. 











o 



o 



Mid- 



















night. 



30.019 



30.138 



29.915 



0.223 



65.3 



71.0 



61.5 



9.5 



1 



.009 



.116 



.896 



.220 



64.7 



70.5 



60.4 



10.1 



2 



.002 



.103 



.881 



.222 



64.0 



70.2 



59.5 



10.7 



3 



29.993 



.090 



.867 



.223 



63.4 



69.7 



59.0 



10.7 



4 



.989 



.076 



.870 



!206 



62.8 



69.4 



58.5 



10.9 



6 



30.001 



.094 



.888 



.206 



62.2 



68.8 



57.6 



11.2 



6 



.018 



.116 



.918 



.198 



61.7 



68.8 



57.3 



11.5 



7 



.040 



.133 



.945 



.188 



61.6 



69.0 



57.7 



11.3 



8 



.067 



.155 



.961 



.194 



63.9 



71.3 



60.8 



10.5 



9 



.090 



.185 



.985 



.200 



67.9 



74.3 



62.8 



11.5 



10 



.090 



.179 



.986 



.193 



71.6 



77.0 



66.0 



11.0 



11 



.072 



.175 



.967 



.208 



74.3 



80.0 



70.0 



10.0 



Noon. 



.043 



■ 

 .152 



.942 



.210 



76.3 



82.5 



72.5 



10.0 



1 



.005 



.117 



.900 



.217 



77.4 



83.5 



74.3 



9.2 



2 



29.980 



.080 



.879 



.201 



78.2 



84.2 



75.2 



9.0 



3 



.965 



.063 



.872 



.191 



78.1 



83.9 



75.3 



8.6 



4 



.961 



.056 



.874 



.182 



76.8 



82.6 



73.7 



8.9 



5 



.969 



.060 



.872 



.188 



75.0 



30.5 



72.2 



8.3 



6 



.981 



.082 



.877 



.205 



72.4 



77.5 



69.0 



8.5 



7 



.997 



.102 



.899 



.203 



70.5 



75.7 



67.5 



8.2 



8 



30.014 



.129 



.915 



• .214 



69.1 



74.3 



66.2 



8.1 



9 



.028 



.145 



.924 



.221 



67.9 



73.0 



64.8 



8.2 



10 



.037 



.153 



.935 



.218 



66.8 



72.2 



63.8 



1 8.4 



11 



.031 



.149 



.926 



.223 



65.9 



71-7 



62.7 



9.0 



The Mean Height of the Barometer, as likewise the Dry and Wei Bulb. 

 Thermometer Means are derived from the observations made at the several 

 hours during the month. 



