Meteorological Observations. 



xt 



Abstract of the Results of the Hourly Meteorological Observations 

 taken at the Surveyor GeneraVs Office, Calcutta, 

 in the month of February, 1858. 



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

 dependent thereon. 



Hour. 



ean Height of 

 the Barometer 

 at 32° Fabt. 



Ran^e of the Barometer for 



each hour during the 



month. 



* s 



*! 



pa 



g'-S 



Range of the Tempera- 

 ture for each hour 

 during the 

 month. 





Max. 



Min. 



Diff. 



Max. 



Min. 



Diff. 





S 









2 











Inches. 



Inches. 



Inches. 



Inches. 







o 



o 



o 



Mid- 

 night. 

 1 



29.984 



30.051 



29.886 



0.165 



66.4 



72.4 



61.2 



11.2 



.976 



.045 



.876 



.169 



65.5 



71.6 



58.8 



12.8 



2 



.965 



.028 



.870 



J 58 



64.8 



71.4 



58.0 



13.4 



3 



.955 



.029 



.863 



.166 



64.3 



71.1 



56.6 



14.5 



4 



.952 



.036 



.868 



.168 



63.8 



70.4 



58.8 



11.6 



5 



.962 



.040 



.879 



.161 



63.1 



70.2 



55.6 



14.6 



6 



.978 



.069 



.901 



.168 



62.4 



70.0 



55.2 



14.8 



7 



30.005 



.086 



.935 



.151 



62.1 



69.6 



55.0 



14.6 



8 



.033 



.111 



.957 



.154 



65.2 



71.6 



58.0 



13.6 



9 



.053 



.128 



.977 



.151 



69.6 



75.0 



64.0 



11.0 



10 



.060 



.142 



.977 



.165 



73.0 



77.6 



66.6 



11.0 



11 



.044 



.128 



.963 



.165 



75.7 



80.8 



69.2 



11.6 



Noon. 



.013 



.101 



.933 



.168 



78.3 



83.2 



71.2 



12.0 



1 



29.978 



.073 



.892 



.181 



80.0 



85.2 



72.5 



12.7 



2 



.950 



.043 



.856 



.187 



80.9 



86.6 



73.0 



13.6 



3 



.929 



.024 



.838 



.186 



81.3 



86.9 



72.0 



14.9 



4 



.921 



.007 



.821 



.186 



80.4 



85.5 



69.6 



15.9 



5 



.922 



.013 



.821 



.192 



79.1 



84.4 



67.4 



17.0 



6 



.928 



.024 



.824 



.200 



75.7 



81.4 



67.4 



14.0 



7 



.945 



.036 



.839 



.197 



73.1 



79.0 



66.8 



12.2 



8 



.967 



.061 



.865 



.196 



71.3 



78.2 



64.6 



13.6 



9 



.979 



.063 



.874 



.189 



70.0 



77.1 



64.6 



12.5 



10 



.985 



.074 



.880 



.194 



68.6 



74.2 



63.0 



11.2 



11 



.985 



.060 



.876 



.184 



67.7 



72.0 



61.8 



10.2 



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

 Thermometers are derived from the observations made at the several hours 

 during the month. 



