Meteo ro logica I Observations , 



xci 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor OeneraVs Office. Calcutta, 



in the month of December, 18G5. 



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

 dependent thereon. 





o _£ . 



Range 



of the Baroitveter 



X! C 



Rang 



e of the Temperature 





■f 3"^ 



for each hour during 



CQ <° 



for 



each hour 



luring 



Hour. 







the montt 



. 





the montl 



. 



















■- — - 



Max. 



Min. 



Diff. 



CD fc-< 



Max. 



Min. 



Diff. 





£ 









3 











Inches. 



Inches. 



Inches. 



Inches. 



o 















Mid- 

 night. 



30.035 



30.153 



29.954 



0,199 



67.3 



72.8 



60.8 



12.0 



1 



.028 



.148 



.936 



.212 



66.5 



72.8 



59.8 



13.0 



2 



.020 



.3 33 



.912 



.221 



66.0 



72.2 



59 



13.2 



3 



.012 



.124 



.905 



.219 



65.3 



72.0 



58.8 



13.2 



4 



.010 



.107 



.888 



.219 



64.6 



71.2 



58.4 



12.8 



5 



.021 



.114 



.899 



.215 



64.1 



71.0 



58.0 



13.0 



6 



.035 



.126 



.910 



.216 



63.6 



69.4 



57.0 



12.4 



7 



.058 



.145 



.945 



.200 



63.5 



70.0 



56.8 



13.2 



8 



.087 



.174 



.991 



J83 



66.3 



72.3 



60.4 



11.9 



9 



.109 



.194 



30.005 



.189 



69.8 



75.3 



63.0 



12.3 



10 



.111 



.196 



.016 



.180 



73.3 



79.2 



67.8 



11.4 



11 



.092 



.182 



.004 



.178 



75.8 



81.8 



71.0 



10.8 



Noon. 



.058 



.144 



29.974 



.170 



77.7 



83.0 



72.2 



10.8 



1 



.022 



.116 



.936 



.180 



79.0 



84.7 



74.1 



10.6 



2 



29.995 



.088 



.907 



.181 



79.9 



85.6 



74.2 



11.4 



3 



.980 



.066 



.887 



.179 



79.9 



84.8 



74.5 



10.3 



4 



.976 



.064 



.883 



.181 



78.5 



83.5 



73.4 



10.1 



5 



.985 



.067 



.886 



.181 



76.9 



81.3 



71.8 



9.5 



6 



.996 



.084 



.901 



.183 



74.2 



78.3 



68.2 



10.1 



7 



30.014 



.104 



.924 



.180 



72.3 



76.2 



66.0 



10.2 



8 



.030 



.123 



.953 



.170 



71.0 



75.2 



65.0 



10.2 



9 



.043 



.150 



.974 



.176 



69.8 



74.1 



63.4 



10.7 



10 



.018 



.159 



.979 



.180 



68.8 



73 8 



62.6 



11.2 



11 



.044 



.157 



.972 



.185 



68.1 



73.0 



61.8 



11.2 



The Mean Height of the Barometer, as likewise the Dry and Wet Bulb Ther- 

 mometer Means are derived from the Observations made at the several houra 

 during the month. 



