xliv 



Meteorological Observations. 



Abstract of the Results of the Hourly Meteorological Observations 

 taken at the Surveyor General* s Office, Calcutta, 

 in the month of March, 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. 





Range of the Tempe- 

 rature during 

 the day. 



















a © 



ca si *± 



CD +-> S3 



Max. 



Min. 



Diff. 



P El 



Max. 



Min. 



Diff. 





^ 









% 











Inches. 



Inches. 



Inches. 



Inches. 



O 



o 







o 



1 



29.984 



30.059 



29.922 



0.137 



75.9 



87.7 



65.4 



22.3 



2 



.972 



.042 



.890 



.152 



77.0 



86.9 



67.2 



19.7 



3 



30.057 



.131 



.999 



.132 



71.8 



74.2 



69.2 



5.0 



4 



Sunday. 

















5 



.019 



.106 



.955 



.151 



76.6 



86.7 



67.8 



18.9 



6 



29.991 



.069 



.923 



.146 



78.1 



85.9 



70.8 



15.1 



7 



.972 



.045 



.906 



.139 



77.5 



88.0 



70.5 



17.5 



8 



.893 



29.970 



.821 



.149 



78 4 



89.4 



68.0 



21.4 



9 



.854 



.917 



.796 



.121 



80.2 



91.0 



72.5 



18 5 



10 



.849 



.936 



.775 



.161 



78.3 



87.8 



70.6 



17.2 



11 



Sunday. 

















12 



.960 



30.048 



.908 



.140 



79.0 



87-8 



70.8 



17.0 



13 



.961 



.050 



.884 



.166 



78.5 



88.4 



68.6 



19.8 



14 



.863 



29.945 



.786 



.159 



78.6 



89.2 



69.8 



19.4 



15 



.801 



.876 



.732 



.144 



79.1 



87.1 



72.8 



14 3 



16 



.887 



.984 



.788 



.196 



74 .6 



82.6 



70.4 



12.2 



17 



.940 



30.034 



.885 



.149 



71.8 



79.7 



67.4 



12.3 



18 



Sunday. 

















19 



.885 



29.980 



.801 



.179 



77.3 



88.7 



66.2 



22.5 



20 



.796 



.876 



.719 



.157 



77.9 



89.2 



67-2 



22.0 



21 



.738 



.814 



.666 



.148 



79.3 



91.2 



66.9 



24.3 



22 



.761 



.838 



.699 



.139 



81.1 



91.6 



71.8 



19.8 



23 



.788 



.856 



.716 



.140 



81.6 



90.6 



75.2 



15.4 



24 



.804 



.900 



.729 



.171 



81.8 



91.6 



74.8 



16.8 



25 



Sunday. 

















26 



.810 



.889 



.749 



.140 



83.2 



93.5 



76.2 



17.3 



27 



.818 



.891 



.747 



.144 



84.5 



944 



76.2 



18.2 



28 



.817 



.906 



.739 



.167 



84.7 



95.3 



77.4 



17.9 



29 



.799 



.874 



.722 



.152 



84.3 



96.4 



75.6 



20.8 



30 



.767 



.864 



.683 



.181 



85.1 



96.7 



77.4 



19.3 



31 



.760 



.831 



.680 



.151 



84.5 



94.0 



79.8 



14.2 



