Meteorological Observations, 



xliii 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of December, 1862. 



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

 dependent tbereon. 



Hour. 



san Height of 

 the Barometer 

 at 32° Faht. 



Ransje of the Barometer for 



each hour during the 



month. 



CO v 



* 3 



Q | 



Range of the Tempera- 

 ture for each hour 

 during the 

 month. 





Max. 



Min. 



Diff. 



Max. 



Min. 



Diff. 





£ 









S 











Inches. 



Inches. 



Inches. 



Inches. 















o 



Mid- 

 night. 



29.968 



30.063 



29.876 



0.187 



62.8 



68.4 



58.4 



10.0 



1 



.961 



.057 



.868 



.189 



62.3 



67.8 



58.0 



9.8 



2 



.952 



.049 



.857 



.192 



61.7 



67.4 



57.7 



9.7 



3 



.944 



.039 



.855 



.184 



61.1 



67.0 



57.0 



10.0 



4 



.945 



.033 



.858 



.175 



60.8 



66.6 



56.0 



10.6 



5 



.953 



.037 



.856 



.181 



60.2 



66.0 



55.6 



10.4 



6 



.962 



.051 



.874 



.177 



59.5 



66.0 



55.0 



11.0 



7 



.985 



.075 



.894 



.181 



59.4 



65.8 



54.8 



11.0 



8 



30.010 



.105 



.919 



.186 



62.8 



67.6 



58.4 



9.2 



9 



.030 



.127 



.944 



.183 



64.8 



70.6 



58.0 



12.6 



10 



.032 



.143 



.931 



.212 



67.8 



73.4 



62.2 



11.2 



11 



.012 



.123 



.907 



.216 



70.8 



76.4 



65.6 



10.8 



Noon. 



29.981 



.100 



.884 



.216 



72.8 



77.8 



68.2 



9.6 



1 



.951 



.073 



.847 



.226 



74.3 



79.8 



69.8 



10.0 



2 



.926 



.049 



.827 



.222 



75.2 



79.4 



69.6 



9.8 



3 



.914 



.024 



.814 



.210 



75.1 



79.0 



70.0 



9.0 



4 



.912 



.025 



.810 



.215 



73.8 



77.8 



69.4 



8.4 



5 



.919 



.032 



.808 



.224 



71.9 



75.6 



68.3 



7.3 



6 



.930 



.038 



.837 



.201 



69.5 



72 7 



66.2 



6.5 



7 



.948 



.059 



.851 



.208 



67.7 



71.7 



64.0 



77 



8 



.966 



.093 



.872 



.221 



66.5 



70.7 



62.8 



7.9 



9 



.983 



.106 



.896 



.210 



65.4 



69.8 



60.8 



9.0 



10 



.983 



.118 



.884 



.234 



64.3 



69.4 



60.2 



9.2 



11 



.978 



.116 



.878 



.238 



63.5 



68.2 



59.8 



8.4 



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. 



