Meteorological Observations. 



lix 



■Abstract of the Results of the Hourly Meteorological Observations 

 taken at the Surveyor General's Office, Calcutta, 

 in the month of April, 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, 18.11 



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. 



-3 S 



Range of the Tempe- 

 rature during 

 the day. 

















i) -4-> s 



Max. 



Min. 



Diff. 





Max. 



Min. 



Diff. 





§ 









g 











Inches. 



Inches. 



Inches. 



Inches. 



o 







o 



o 



1 



Sunday. 

















2 



29.783 



29.872 



29.720 



0.152 



85.1 



96.4 



75.9 



20.5 



3 



.779 



.860 



.719 



.141 



84.6 



95.2 



76.4 



18.8 



4 



.802 



.885 



.742 



.143 



85.4 



94.6 



79 6 



150 



5 



.794 



.876 



.720 



.156 



83.4 



93.8 



75 8 



18.0 



6 



Good-fri 



day. 















7 



.781 



.838 



.725 



.113 



85.4 



97.7 



77.5 



20.2 



8 



Sunday. 

















9 



.841 



.920 



.760 



.160 



86.1 



96.8 



79.6 



17.2 



10 



.815 



.886 



.761 



.125 



84.6 



93.4 



77.8 



15.6 



11 



.822 



.892 



.770 



.122 



84.6 



93.2 



78.4 



14.8 



12 



.852 



.935 



.787 



.148 



85.2 



93.8 



78.4 



15.4 



13 



.805 



.901 



.734 



.167 



83.5 



93.0 



77.4 



15.6 



14 



.771 



.850 



•676 



.174 



84.3 



95.2 



76.0 



19.2 



15 



Sunday. 

















16 



.801 



.896 



• 712 



.184 



85.4 



95.0 



78.2 



16.8 



17 



.773 



.867 



.672 



.195 



81.5 



90 6 



73.6 



17.0 



18 



.727 



.809 



.670 



.139 



81.8 



90.4 



75.8 



14.6 



19 



.728 



.784 



.674 



.110 



81.2 



89.2 j 



76.6 



12.6 



20 



.721 



.794 



.620 



.174 



76.9 



83.4 



72.8 



10.6 



21 



.725 



.789 



.630 



.159 



77.4 



85.8 



72.0 



13.8 



22 



Sunday. 

















23 



.724 



.798 



.654 



.144 



70.7 



76 6 



66.0 



10.6 



24 



.765 



.845 



.682 



.163 



74.9 



84.8 



67.6 



17.2 



25 



.721 



.788 



.641 



.147 



79.5 



87.6 



71.2 



16.4 



26 



.662 



.720 



.584 



.136 



81.5 



90.2 



75.0 



15.2 



27 



.709 



.789 



.637 



.152 



81.5 



91.2 



74.0 



17.2 



28 



.722 



.795 



.669 



.126 



84.7 



92.8 



79.8 



13.0 



29 



Sunday. 

















30 



.711 



.799 



.640 



.159 



87.5 



96.8 



80.9 



15.9 



