Meteorological Observations. 



Abstract of the Results of the Hourly Meteorological Observations 

 taken at the Surveyor General's Office, Calcutta, 

 in the month of April, 1862. 



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



Feet. 

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



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

 dependent thereon. 





<*- •- 









-° c 











O a) 



4-= <t> ■>->" 



Range 



■>f the Barometer 



PQ " 



Range of the Ten 



jiera- 





til 



during the dt 



y- 



fc-i 



ture during the 



day. 





H ~ l i-G (M 

















Date. 



















Max. 



Min. 



Diff. 



a EH 



Max. 



Min. 



Diff. 





1." 









s 











Inches. 



Inches. 



Inches. 



Inches. 















o 



1 



29.809 



29.888 



29.707 



0.181 



79.9 



88.8 



70.9 



17.9 



2 



.761 



.842 



.682 



.160 



83.4 



92 6 



77.2 



15.4 



3 



.763 



.831 



.691 



.140 



82.6 



90.8 



76.4 



14.4 



4 



.805 



.873 



.755 



.118 



82.1 1 



91.0 



75.0 



16.0 



5 



.844 



.911 



.794 



.117 



84.0 



92.8 



776 



15.2 



6 



Sunday. 

















7 



.786 



.859 



.702 



.157 



87.0 



97.6 



73.2 



19 4 



8 



.783 



.876 



.699 



.177 



87.1 



97.4 



79.0 



18.4 



9 



.792 



.874 



.725 



.149 



86.7 



96.2 



79.0 



17.2 



10 



.810 



.876 



.740 



.136 



85.5 



93.8 



77.8 



160 



11 



.838 



.925 



.776 



.149 



85.6 



97.0 



74.6 



22.4 



12 



.875 



.959 



.819 



.140 



86.2 



97.0 



77.0 



20.0 



13 



Sunday. 

















14 



.796 



.878 



.691 



.187 



87.8 



100.2 



77.2 



23 



15 



.734 



.812 



.645 



.167 



88.7 



99.8 



79.2 



20.6 



10 



.697 



.778 



.613 



.165 



88.3 



99.5 



80.2 



19.3 



17 



.680 



.748 



.580 



.168 



86.8 



95.8 



81.6 



14.2 



18 



.711 



.766 



.658 



.108 



86.2 



95.2 



79.8 



15.4 



19 



.700 



.765 



.631 



.134 



85.4 



92.4 



79.8 



12.6 



20 



Sunday. 

















21 



.786 



.860 



.715 



.145 



85.6 



91.2 



81.8 



9.4 



22 



.812 



.885 



.739 



.146 



84.1 



91.4 



75.0 



16.4 



23 



.784 



.858 



.707 



.151 



83.5 



92.2 



76.2 



16.0 



24 



.726 



.780 



.619 



.161 



83.9 



91.2 



76.2 



15.0 



25 



.668 



.750 



.561 



.189 



82 1 



92.2 



72.4 



19.8 



20 



.616 



.717 



.536 



.181 



83.5 



90.4 



78.8 



13.6 



27 



Sunday. 

















28 



.637 



.697 



.576 



.121 



82.6 



89.2 



75.8 



13.4 



29 



.658 



.714 



.604 



.110 



81.2 



89.6 



70.7 



1S.9 



30 



.686 



.771 



.543 



.228 



80.3 



89.6 



72.5 



17.1 



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

 Thermometers, are derived from the twenty-four hourly Observations made during 

 the day. 



