Meteorological Observations. 



xvn 



Abstract of the Hesults of the Hourly Meteorological Observations 



taken at the Surveyor GeneraVs Office, Calcutta, 



in the month of March, 1859. 



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. 





tfcH i- 

















c a) 



Range 



of the Barometer 



3 2 



Range of the Tempera- 







during the day. 





ture during the day. 





CO 









S-t o 



o a 

















I 





<D 



13 ■£ "S 



Max. 



Min. 



Diff. 





Max. 



Min. 



Diff. 



P 



i" 









r=5 











Inches. 



Inches. 



Inches. 



Inches. 



O 







o 



o 



1 



29.824 



29.898 



29.745 



0.153 



79.4 



89.6 



71.2 



18.4 



2 



.795 



.867 



.736 



.131 



76.9 



87.6 



72.3 



15.3 



3 



.838 



.893 



.780 



.113 



72.9 



80.0 



68.8 



11.2 



4 



.862 



.948 



.807 



.141 



67.2 



70.0 



63 4 



6.Q 



5 



.849 



.922 



.807 



.115 



67.6 



73.2 



63.6 



9.6 



6 



Sunday. 

















7 



.867 



.940 



.808 



.132 



73.3 



79.8 



69.3 



10.5 



8 



.855 



.922 



.809 



.113 



73.9 



83.2 



66.5 



16.7 



9 



.830 



.906 



.762 



.144 



77.2 



86.3 



70.4 



15.9 



10 



.810 



.867 



.756 



.111 



79.0 



86.8 



73.2 



13.6 



11 



.854 



.934 



.791 



.143 



79.6 



87.6 



75.0 



12.6 



12 



.886 



.979 



.833 



.146 



79.7 



88.0 



73.8 



14.2 



13 



Sunday. 

















14 



.766 



.851 



.719 



.132 



79.2 



87.0 



74,0 



13.0 



15 



.826 



.909 



.763 



.146 



76.9 



85.4 



70.6 



14.8 



16 



.860 



.952 



.814 



.138 



76.6 



86.1 



68.6 



17.5 



17 



.846 



.925 



.770 



.155 



78.6 



88.6 



70.4 



18.2 



18 



.862 



.935 



.805 



.130 



80.2 



91.4 



72.2 



19.2 



19 



.896 



.972 



.830 



.142 



81.3 



90.4 



74.2 



16.2 



20 



Sunday. 

















21 



.958 



30.041 



.893 



.148 



82.4 



90.2 



76.6 



13.6 



22 



.952 



.027 



.887 



.140 



81.3 



91.0 



73.6 



17.4 



23 



.977 



.069 



.903 



.166 



80.4 



90.8 



74.2 



16.6 



24 



.937 



.010 



.872 



.138 



81.6 



92.0 



73.6 



18.4 



25 



.894 



29.959 



.817 



.142 



81-7 



91.4 



74.8 



16.6 



26 



.891 



.950 



.838 



.112 



82.4 



89.6 



77.4 



12.2 



27 



Sunday. 

















28 



.912 



.992 



.837 



.155 



84.6 



93.2 



79.0 



14.2 



29 



.925 



.994 



.865 



.129 



83.5 



89.6 



78.6 



11.0 



30 



.955 



30.055 



.867 



.188 



83.2 



91.8 



77.6 



14.2 



31 



.991 



.077 



.922 



.155 



84.1 



93.3 



76.2 ] 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 clay. 



