Meteorological Observations. 



xvn 



Abstract of the Results of the Hourly Meteorological Observations 

 taken at the Surveyor General's Office, Calcutta, 

 in the month of March 1868. 



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



Height of the Cistern of the Standard Barometer above the sea level, 18.11 feet, 



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

 dependent thereon. 





W CD 



-+3 "^ . 



Range 



of the Bf 



romctcr 





Range of the Tempera- 

 ture during the day. 





bo g ^ 



during the day. 





Date. 



















Max. 



Min. 



Diff. 



5 s 



;, - - 



Max. 



Min. 



Diff. 





^ a 









£ H 











Inches. 



Inches. 



Inches. 



Inches. 











o 



o 



1 



29.809 



29.875 



29.748 



0.127 



74.5 



86.0 



63.5 



22.5 



2 



.893 



.968 



.831 



.137 



76.2 



85.5 



67.0 



18.5 



3 



.931 



30.005 



.879 



.126 



77.8 



89.2 



69.5 



19.7 



4 



.885 



29.978 



.814 



.164 



78.3 



90.8 



68.5 



22.3 



5 



.782 



.868 



.719 



.149 



79.9 



92.7 



71.5 



21.2 



6 



.810 



.904 



.747 



.157 



78.4 



89.0 



69.5 



19.5 



7 



.807 



.868 



.738 



.130 



74.9 



83.0 



68.5 



14,5 



8 



.857 



.923 



.798 



.125 



71.6 



81.0 



62.7 



18.3 



9 



.935 



30.018 



.881 



.137 



74.7 



86.0 



65.0 



21.0 



10 



.907 



29.989 



.799 



.190 



75.6 



86.1 



68.0 



18.1 



11 



.915 



.995 



.849 



.146 



73.0 



82.0 



65.7 



16.3 



12 



30.010 



30.105 



.954 



.151 



73.9 



83.0 



64.5 



18.5 



13 



29.974 



.050 



.907 



.143 



75.8 



87.0 



65.5 



21.5 



14 



.891 



29.962 



.814 



.148 



79.3 



90.0 



72.0 



18.0 



15 



.816 



.924 



.780 



.144 



80.9 



90.5 



74.6 



15.9 



16 



.918 



.991 



.849 



.142 



79.9 



88.8 



73.0 



15.8 



17 



18 



.974 

 .969 



30.052 

 .037 



.883 

 .899 



.169 

 .138 



81.3 



77.5 



92.0 

 88.0 



72.2 



68.5 



19.8 

 19.5 



19 



.890 



29.979 



.799 



.180 



79.1 



89.0 



71.0 



18.0 



20 



.887 



.971 



.831 



.140 



80.7 



91.0 



72.4 



18.6 



21 



.912 



.985 



.845 



.140 



82.5 



93.5 



74.5 



19.0 



22 



.909 



30.011 



.828 



.183 



83.5 



95.3 



74.5 



20.8 



23 



.857 



29.920 



.805 



.115 



84.2 



95.5 



74 4 



21.1 



24 



.848 



.924 



.790 



.134 



84.3 



94.5 



75.5 



19.0 



25 



.873 



.955 



.808 



•147 



84.5 



94.9 



76.0 



18.9 



26 



.860 



.938 



.784 



.154 



83.2 



95.0 



76.0 



19.0 



27 



.843 



.898 



.796 



.102 



83.0 



92.0 



77.0 



15.0 



28 



.851 



.937 



.775 



.162 



84.0 



95.7 



74.8 



20.9 



29 



.859 



.938 



.781 



.157 



84.7 



96.7 



75.0 



21.7 



30 



.847 



.907 



.793 



.114 



83.4 



91.5 



77.3 



14.2 



31 



.885 



.962 



.826 



.136 



84.9 



94.5 



76.5 



18.0 



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

 lnermometer Means are derived, from the hourly observations, made during: 

 the day. & 



