Meteorological Observations. 



xi 



Abstract of the Results of the Hourly Meteorological Observations 

 taken at the Surveyor General's Office, Calcutta, 

 in the month of 'February^ 1859. 



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

 dependent thereon. 



Hour. 



o <u 



-C g -G 



H2 -? ° 



Ran^e of the Barometer for 



each hour during the 



month. 



C o 

 Q S 



Range of the Tempera- 

 ture for each hour 

 during the 

 month. 





^ 33 o) 



re _a -w 

 oj «-> a 



Max. 



Min. 



Diff. 



re ^ 



Max. 



Min. 



Diff. 





Inches. 



Inches. 



Inches. 



Inches. 



O 



o 



o 



o 



Mid- 

 night. 

 1 



29.984 



30.050 



29.898 



0.152 



70.2 



75.2 



64.8 



10.4 



.975 



.051 



.891 



.160 



69.6 



75.0 



64.0 11.0 



2 



.966 



.045 



.873 



.172 



68.9 



75.0 



63.2 1 11.8 



3 



.958 



.039 



.867 



.172 



68.8 



74.8 



63.0 



11.8 



4 



.958 



.038 



.856 



.182 



67.8 



74.0 



62.3 



11.7 



5 



.964 



.046 



.867 



.179 



67.5 



74.4 



62.0 



12.4 



6 



.982 



.059 



.881 



.178 



67.0 



74.8 



61.2 



13.6 



7 



30.006 



.089 



.902 



.187 



66.9 



740 



61.0 



13.0 



8 



.037 



.123 



.942 



.181 



69.6 



76.0 



, 65.5 



10.5 



9 



.057 



.138 



.958 



.180 



72.8 



78.4 



69.0 



9.4 



10 



.065 



.146 



.963 



.183 



75.6 



81.0 



70.6 



10.4 



11 



.051 



.126 



.954 



.172 



78.4 



82.8 



74.0 



8.8 



Noon. 



.024 



.114 



.911 



.203 



81.1 



85.4 



77.0 



8.4 



1 



29.987 



.081 



.881 



.200 



83.1 



87.9 



78.6 



9.3 



2 



.956 



.050 



.855 



.195 



84.0 



88.9 



79.6 



9.3 



3 



.932 



.023 



.838 



.185 



84.5 



89.6 



80.6 



9.0 



4 



.921 



.013 



.825 



.188 



83.5 



89.3 



79.2 



10.1 



5 



.921 



.017 



,826 



.191 



82.1 



87.2 



78.4 



8.8 



6 



.925 



.028 



•823 



.205 



79.2 



84.5 



75.6 



8.9 



7 



.939 



.037 



.845 



.192 



76.8 



81.9 



72.6 



9.3 



8 



.964 



.058 



.854 



.204 



74.6 



79.2 



70.0 



9.2 



9 



.980 



.071 



.884 



.187 



73.3 



78.0 



68.8 



9.2 



10 



.990 



.077 



.898 



.179 



71.9 



76.6 



68.0 



8.6 



11 



.987 



.062 



.883 



.179 



71.1 



75.9 



66.6 



9.3 



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

 Thermometers are derived from the observations made at the several hours 

 during the month. 



