XXXIV 



Meteorological Observations* 



Abstract of the Results of the Hourly Meteorological Observations 

 taken at the Surveyor General 's Office, Calcutta, in the 

 month of January, 1855. 



Latitude 22° 33' 1" North. Longitude 88° 20' 34" East. 



feet 

 Height of the cistern of the Standard Barometer above the level of the Sea, 18.1 1. 



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

 dependent thereon. 



Date. 



Height of 

 Barometer 

 $2° Faht. 



Range of the Barometer 

 during the day. 



x> £ 

 rn <a 

 >> o 



Range of the Tempe- 

 rature during 

 the day. 





















Max. 



Min. 



Diff. 



68 S 



Max. 



Min. 



Diff. 





§ 









1 











Inches. 



Inches. 



Inches. 



Inches. 







o 











1 

 2 



New year 

 29.986 



's dav. 

 30.066 



29.924 



0.142 



66.2 



76.6 



58.4 



18.2 



3 



30.002 



.080 



.953 



.127 



65.8 



73.6 



59.2 



14.4 



4 



.016 



.100 



.960 



.140 



68.3 



77.6 



62.6 



15.0 



5 



.028 



.115 



.968 



.147 



68.8 



78.8 



61.6 



17.2 



6 



29.975 



.075 



.888 



.187 



70.2 



77.8 



63.8 



14.0 



7 

 8 



Sunday. 



.881 



29.937 



.846 



.091 



66.3 



71.2 



62.7 



8.5 



9 



.915 



.989 



.864 



.125 



66.6 



76.0 



59.0 



17 



10 



.875 



.959 



.802 



.157 



69.5 



79.6 



60.4 



19.2 



11 



.893 



.993 



.836 



.157 



69 6 



75.7 



65.0 



10.7 



12 



.950 



30.019 



.912 



.107 



68.3 



76.6 



61.6 



15.0 



13 



.960 



.044 



.907 



.137 



67.4 



75.4 



60.4 



15.0 



14 

 15 



Sunday. 

 30.035 



.118 



.954 



.164 



66.8 



75. 2 



61.4 



13.8 



16 



.065 



.157 



30.011 



.146 



64.3 



74.8 



55.8 



19.0 



17 



.066 



.152 



.017 



.135 



64.6 



75.2 



55.7 



19.5 



18 



.046 



.125 



.006 



.119 



65.9 



76.3 



57.0 



19 3 



19 



.073 



.155 



.020 



.135 



68 9 



77.0 



62.6 



14.4 



20 



.117 



.219 



.070 



.149 



65.1 



74.0 



58.8 



15.2 



21 

 22 



Sunday. 

 .029 



.1)2 



29.954 



.158 



61.4 



72.8 



52.2 



20.6 



23 



.036 



.127 



.981 



.146 



63.0 



73.8 



54.4 



19.4 



24 



.042 



.132 



.966 



.166 



62.6 



73.8 



53.7 



20.1 



25 



29.994 



.067 



.917 



.150 



64.5 



75.8 



55.0 



20.8 



20 



30.024 



.092 



.966 



.126 



66.7 



78.6 



55.8 



22.8 



27 



.058 



.143 



.988 



.155 



68.9 



79.8 



59.4 



20.4 



28 

 29 



Sunday. 

 .105 



.180 



30.046 



.134 



67.8 



77.8 



59.0 



18.8 



30 



.153 



.249 



.081 



.168 



66.1 



77.2 



57.0 



20.2 



31 



.138 



.221 



.076 



.145 



65.3 



76.4 



56.0 



20.4 



