Meteorological Observations. 



xci 



Abstract of the Results of the Hourly Meteorological Observations 

 taken at the Surveyor General* s Office, Calcutta, 

 in the month of December \ 1858. 



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

 dependent thereon. 





o a> 



Range of the Barometer for 



each hour during the 



month. 





Range of the Tempera- 

 ture for each hour 

 during the 



Hour. 



03 £ 









ofi 



month. 























Max. 



Min. 



Diff. 





Max, 



Min. 



Diff. 





1" 









^ 











Inches. 



Inches. 



Inches. 



Inches. 



o 



o 



o 



o 



Mid- 

 night. 

 1 



30.029 



30.095 



29.960 



0.135 



63.4 



71.2 



60.2 



11.0 



.020 



.085 



.945 



.140 



62.7 



70.8 



59.6 



11.2 



2 



.010 



.065 



.936 



.129 



62.2 



69.8 



58.4 



11.4 



3 



.002 



.064 



.930 



.134 



61.9 



69.7 



59.0 



10.7 



4 



.002 



.084 



.934 



.150 



61.3 



69.5 



57.8 



11.7 



5 



.016 



.097 



.943 



.154 



60.9 



69.2 



57.2 



12.0 



6 



.033 



.112 



.962 



.150 



60.5 



69.2 



56.6 



12.6 



7 



.056 



.147 



.981 



.166 



60.4 



69.2 



56.4 



12.8 



8 



.090 



.181 



30.007 



.174 



63.5 



69.6 



59.6 



10.0 



9 



.108 



.205 



.032 



.173 



66.1 



70.8 



63.2 



7.6 



10 



.110 



.206 



.034 



.172 



68.3 



72.0 



65.4 



6.6 



11 



.091 



.184 



.018 



.166 



71.0 



73.6 



67.6 



6.0 



* 



Noon. 



.060 



.138 



29.984 



.154 



73.2 



76.1 



70.2 



5.9 



1 



.028 



.111 



.950 



.161 



74.5 



77.5 



70.2 



7.3 



2 



.003 



.082 



.921 



.161 



75.1 



78.6 



69.8 



8.8 



3 



29.990 



.073 



.906 



.167 



74.6 



78.8 



69.2 



9.6 



4 



.984 



.062 



.902 



.160 



72.9 



76.4 



68.6 



7.8 



5 



.991 



.063 



.907 



.156 



71.3 



75.2 



68.2 



7.0 



6 



30.003 



.063 



•922 



.141 



69.1 



72.4 



66.2 



6.2 



7 



.019 



.082 



.937 



.145 



67.7 



71.7 



65.0 



6.7 



8 



.033 



.097 



.945 



.152 



66.6 



70.0 



64.0 



6.0 



9 



.043 



.101 



.956 



.145 



65.6 



69.4 



62.8 



6.6 



10 



.049 



.113 



.964 



.149 



64.8 



69.8 



61.4 



8.4 



11 



.042 



.096 



.953 



.143 



64.0 



70.0 



61.2 



8.8 



The Mean height of the Barometer, as likewise the Mean Dry and Wet Eulb 

 Thermometers are derived from the observations made at the several hour;* 

 during the month. 



