Meteorological Observations. 



lxxxi 



Abstract of the Results of the Hourly Meteorological Observations 

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

 in the month of April, 1856. 



feet. 



Latitude 22° 33' 1" North, Longitude S8<> 20' 34" East. 



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. 





'■+~ Sri 

 O <D 









-° c 









w 4) J 

 'bJO o J* 



Range 



of the Barometer 



15 E 

 ffl u 



Range of the Tempera- 





during the day. 



a 



>> o 



ture during the day. 



















Date. 











1 









Mas. 



Min. 



Diff. 



3 



Max. 



Min. 



Diff. 





Inches. 



Inches. 



Inches. 



Inches. 



o 



o 



o 



o 



1 



29.830 



29.918 



29.762 



0.156 



86.2 



97.0 



78.3 



18.7 



2 



.789 



.880 



.715 



.165 



86.7 



97.2 



77.6 



19.6 



3 



.758 



.849 



.689 



.160 



86.7 



97.4 



78.8 



18.6 



4 



.759 



.833 



.681 



.152 



85.8 



93.3 



81.0 



12.3 



5 



.757 



.854 



.663 



.191 



86.8 



97.0 



78.8 



18.2 



6 



Sunday. 

















7 



.667 



.747 



.581 



.166 



85.4 



93.0 



79.9 



13.1 



8 



.583 



.652 



.500 



.152 



86.9 



97.2 



79.8 



17.4 



9 



.621 



.702 



.550 



.152 



86.1 



92.6 



81.4 



11.2 



10 



.689 



.770 



.627 



.143 



85.8 



93.0 



80.4 



12.6 



11 



.745 



.823 



.690 



.133 



86.0 



93.0 



81.9 



11.1 



12 



.726 



.819 



.662 



.157 



86.3 



93.9 



81.8 



121 



13 



Sunday. 

















14 



.668 



.762 



.592 



.170 



87.4 



96.6 



81.6 



15.0 



15 



.676 



.752 



.616 



.136 



87.5 



98.0 



80.3 



17.7 



16 



.749 



.836 



.667 



.169 



85.3 



92.7 



80.7 



120 



17 



.798 



.881 



.712 



.169 



85.3 



93.6 



79.3 



14,3 



18 



.752 



.816 



.658 



.158 



85.9 



94.6 



78.0 



16.6 



19 



.708 



.788 



.631 



.157 



86.2 



96.4 



78.0 



18.4 



20 



Sunday. 

















21 



.602 



.684 



.531 



.153 



86.4 



95.0 



80 8 



14.2 



22 



.658 



.730 



.595 



.135 



86.5 



95.4 



79.6 



15.8 



23 



.692 



.752 



.624 



.128 



86.4 



92.8 



81.6 



11.2 



24 



.699 



.753 



.618 



.135 



86.6 



92.4 



81.2 



11.2 



25 



.757 



.828 



.686 



.142 



86.5 



94.4 



81.2 



13.2 



26 



.810 



.916 



.735 



,181 



79.1 



89.0 



73.0 



16.0 



27 



Sunday. 

















28 



.817 



.896 



.735 



.161 



83.5 



93.1 



78.2 



14.9 



29 



.804 



.882 



.724 



.158 



84.4 



94.2 



77 8 



16.4 



30 



.760 



.842 



.655 



.187 



85.6 



93.4 



79.8 



13.6 



