Meteorological Observations. 



xvn 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General' s Office, Calcutta, 



in the month of December, 1856. 



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

 dependent thereon. 











o 







uJ 



Range of the Barometer for 





Range of the Temper- 





~fc 



each hour during 



J3 



ature for each hour 





«k- O 





the month. 



JS 



during the month. 



Hour. 



.sp£ 



C I 



« o 

 Inches. 







CQ 

 >» 



Q C 



C « 



g a 



o 







Max. 

 Inches. 



Min. 



Diff. 



Max. 



Min. 



Diff. 





Inches. 



Inches. 



o 



o 







Mid- 

 night. 

 1 



j 30.026 



30.107 



29.953 



0.154 



65.1 



69.4 



59.8 



9.6 



.024 



.100 



.954 



.146 



64.4 



69.0 



59.1 



9.9 



2 



.015 



.030 



.955 



.125 



63.7 



68.7 



58.6 



10.1 



3 



.007 



.067 



.952 



.115 



63.2 



68.4 



58.2 



10.2 



4 



.005 



.063 



.954 



.109 



62.8 



68.1 



57.5 



10.6 



5 



.011 



.071 



.959 



.112 



62.2 



67.5 



56.8 



10.7 



6 



.031 



.087 



.969 



.118 



61.7 



66.9 



56.4 



10.5 



7 



.053 



.108 



30.000 



.108 



61.5 



66.6 



55.8 



10.8 



8 



.031 



.139 



.032 



.107 



63.6 



68.5 



56.8 



11.7 



9 



.097 



.165 



.045 



.120 



67.1 



72.8 



61.0 



11.8 



10 



.096 



• 172 



.039 



.133 



70.0 



75.2 



64.4 



10.8 



11 



•077 



• 143 



.019 



.124 



72.6 



77-0 



68.4 



8.6 



Noon. 



.043 



.115 



29.978 



.137 



74.9 



79.1 



71.8 



7.3 



1 



.008 



.073 



.954 



.119 



76.7 



80.4 



73.6 



6.8 



2 



29.986 



.047 



.930 



.117 



77.8 



80.7 



75.0 



5.7 



3 



.972 



.039 



.910 



.129 



77.5 



80.8 



74.8 



6.0 



4 



.971 



.040 



.906 



.134 



75.5 



78.2 



72.8 



5.4 



5 



.979 



.038 



.920 



.118 



74.0 



77.6 



71.4 



6.2 



6 



.989 



.038 



.920 



.118 



71.6 



74 8 



68.4 



6.4 



7 



30.006 



.068 



.941 



.127 



699 



731 



66.0 



7-1 



8 



.020 











71.8 



64.3 



7.5 



9 



.031 



.098 



.958 



.140 



67-5 



71.4 



62.0 



9-4 



10 



.038 



.107 



.959 



.148 



66.6 



70.2 



61.2 



9.0 



11 



.033 



.110 



.951 



.159 



65.8 



69.8 



60.4 



9-4 



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 day. 



