Meteorological Observations. 



xvii 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of March, 1858. 



Latitude 22° 33' 1" North. Longitude 8.8° 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. 





O <u 



Range 



of the Barometer 



o 8 



Range of the Tempera- 





§§! 



during the c 



ay. 





ture during the day. 





, CO 









c S 









Date. 

















33 *s « 



Max. 



Min. 



Diff. 





Max. 



Min. 



Diff. 





i " 









s 











Indies. 



Inches. 



Inches. 



Inches. 



o 



o 



o 



o 



1 



29.822 



29.909 



29.721 



0.188 



77.4 



89.8 



68.8 



21.0 



2 



.807 



.880 



.741 



.139 



76.0 



85.8 



67.8 



18.0 



3 



.841 



.915 



.775 



.140 



77.2 



85.4 



71.6 



13.8 



4 



.871 



.952 



.822 



.130 



77.6 



87.4 



70.0 



17.4 



5 



.876 



.963 



.812 



.151 



77.3 



87.7 



67.0 



20.7 



6 



.858 



.937 



.806 



.131 



78.0 



88.6 



71.6 



17.0 



7 



Sunday. 

















8 



.883 



.965 



.838 



.127 



80.3 



89.6 



73.8 



15.8 



9 



.877 



.959 



.809 



.150 



80.0 



89.3 



72.3 



17.0 



10 



.868 



.941 



.816 



.125 



80.6 



88.5 



75.3 



13.2 



11 



.883 



.961 



.819 



.142 



80.9 



90.7 



74.4 



16.3 



12 



.879 



.975 



.791 



.184 



80.4 



91.2 



71.6 



19.6 



13 



.857 



.944 



.788 



.156 



81.9 



93.7 



72.6 



21.1 



14 



Sunday. 

















15 



.857 



.934 



.799 



.135 



83.4 



95.6 



74.7 



20.9 



16 



.841 



.927 



.764 



.163 



83.9 



95.6 



74.3 



21.3 



17 



.823 



.893 



.757 



.136 



84.1 



95.6 



73.8 



21.8 



18 



.851 



.9 3 



.792 



.131 



83.9 



97.0 



75.4 



21.6 



19 



.908 



.980 



.844 



.136 



83.4 



93.8 



74,1 



19.7 



20 



.943 



30.016 



.878 



.138 



82.7 



92.6 



73.5 



19.1 



21 



Sunday. 

















22 



.836 



29.911 



.767 



.144 



83.4 



94.4 



74.8 



19.6 



23 



.827 



.907 



.759 



.148 



83.6 



93.4 



77.4 



16.0 



24 



.862 



.945 



.799 



.146 



84,1 



94.7 



74.2 



20.5 



25 



.881 



.976 



.793 



.183 



83.4 



94.2 



75.6 



18.6 



26 



.866 



.953 



.800 



.153 



83.3 



92.6 



76.9 



15.7 



27 



.837 



.915 



.721 



.194 



81.9 



92.0 



75.0 



17.0 



28 



Sunday. 

















29 



.772 



.880 



.702 



.178 



81.2 



87.4 



76.2 



11.2 



30 



.744 



.825 



.686 



.139 



82.8 



92.0 



76.2 



15.8 



31 



.758 



.827 



.698 



.129 



83.2 



91.6 



77.2 



14.4 



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. 



