Meteorological Observations. 



lxxiii 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General' s Office \ Calcutta, 



in the month of October, 1858. 



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



feet. 

 Height of the Cistern of the Standard Barometer above the Sea level, 18.11 



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

 dependent thereon. 





t of 

 eter 

 it. 



Range 



of the Barometer 



3 B 



Range o 



! the Te 



Tapera- 





•I 5 !^ 



during the d 



ay. 



02 cd 

 "-I 



ture during the 



day. 





hf * p. 









P g 

 c 2 



re —■< 









fS 



ean 1 

 the E 

 at 32 



Max. 



Min. 



Diff. 



Max. 



Min. 



Diff. 



Q 



S 









"p, 











Inches. 



Inches. 



Inches. 



Inches. 



O 







o 



o 



1 



29.746 



29.804 



29.679 



0.125 



81.1 



84.8 



78.6 



6.2 



2 



.785 



.848 



.728 



.120 



81.9 



87.2 



78.2 



9.0 



3 



Sunday. 

















4 



.835 



.895 



.786 



.109 



83.2 



89.6 



79.8 



9.8 



6 



.841 



.914 



.766 



.148 



83.7 



88.8 



79.9 



8.9 



6 



.806 



.887 



.739 



.148 



84.0 



89.6 



79.8 



9.8 



7 



.774 



.850 



.706 



.144 



84.5 



90.2 



80.3 



9.9 



8 



.801 



.868 



.738 



.130 



85.3 



90.6 



80.6 



10.0 



9 



.832 



.910 



.777 



.133 



85.3 



90.6 



80.6 



10.0 



10 



Sunday. 

















11 



.839 



.898 



.781 



.117 



84.8 



90.6 



80.4 



10.2 



12 



.856 



.919 



.809 



.110 



83.5 



89.8 



77.8 



12.0 



13 



.867 



.941 



.815 



.126 



83.3 



89.8 



77.6 



12.2 



14 



.867 



.947 



.802 



.145 



83.9 



90.4 



77.6 



12.8 



15 



.833 



.906 



.750 



.156 



83.6 



89.0 



79.0 



10.0 



16 



.793 



.869 



.731 



.138 



81.7 



88.7 



78.8 



9.9 



17 



Sunday. 

















18 



.850 



.913 



.800 



.113 



80.1 



88.4 



74.3 



14.1 



19 



.857 



.933 



.800 



.133 



77.8 



87.4 



69.2 



18.2 



20 



.855 



.941 



.797 



.144 



78 9 



87.6 



71.2 



16.4 



21 



.858 



.930 



.794* 



.136 



80.6 



89.0 



73.8 



15.2 



22 



.867 



.937 



.800 



.137 



81.1 



89.6 



74.0 



15.6 



23 



.817 



.891 



.748 



.143 



81.1 



89.2 



740 



15.2 



24 



Sunday. 

















25 



.605 



.721 



.459 



.262 



76.4 



79.8 



74.2 



5.6 



26 



.646 



.874 



.291 



.583 



74.2 



77.4 



71.6 



5.8 



27 



.904 



.977 



.845 



.132 



77.7 



85 8 



69.8 



16.0 



28 



.917 



.990 



.870 



.120 



79.8 



85.9 



75.6 



10.3 



29 



.909 



.970 



.868 



.102 



78.5 



84.7 



73.6 



11.1 



30 



.974 



30.049 



.913 



.136 



76.7 



83.6 



71.0 



12.6 



31 



Sunday. 

















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

 Thermometer?, are derived from the twenty-four hourly observations made during 

 the day. 



