Meteorological Observations. 



lxxiii 



Abstract of the Results of the Hourly Meteorological Observations 

 taken at the Surveyor General's Office, Calcutta, 

 in the month of March, 1860. 



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. 





O O 



4J <U ** 



Range 



of the Barometer 



pq <u 



Range of the Tem 



nera- 





i Heigh 

 ! Barom 

 32° Fall 



during the day. 



u 



ture during the 



day. 











a a 









Date. 

















3X« 



Max. 



Min. 



Diff. 



Q3 C"* 



Max. 



Min. 



Diff. 





■_ — - 









% 











Inches. 



Inches. 



Inches. 



Inches. 



















1 



29.772 



29.841 



29.706 



0.135 



76.9 



88.9 



64.8 



24.1 



2 



.795 



.875 



.737 



.138 



76.5 



87.4 



65.8 



21.6 



3 



.762 



.840 



.684 



.156 



77.0 



89.0 



65.4 



23.6 



4 



Sunday. 

















5 



.822 



.907 



.774 



.133 



81.3 



91.4 



74.8 



16.6 



6 



.841 



.925 



.774 



.151 



81.8 



92.0 



74.5 



17.5 



7 



.770 



.860 



.681 



.179 



81.6 



92.2 



75.6 



16.6 



8 



.744 



.826 



.692 



.134 



80.5 



89.6 



73.6 



16.0 



9 



.770 



.854 



.708 



.146 



78.6 



85.6 



73.0 



12.6 



10 



.785 



.865 



.732 



.133 



80.6 



89.9 



73.0 



16.9 



11 



Sunday. 

















12 



.895 



.971 



.822 



.149 



82.1 



92.2 



75.2 



17.0 



13 



.865 



.943 



.794 



.149 



81.7 



93.0 



74.2 



18.8 



14 



.858 



.927 



.781 



.146 



82.4 



93.6 



75.2 



18.4 



15 



.844 



.914 



.783 



.131 



85.0 



97.2 



75.4 



21.8 



16 



.873 



.961 



.808 



.153 



84.6 



95.6 



76.2 



19.4 



17 



.866 



.942 



.813 



.129 



83.1 



93.6 



75.3 



18.3 



18 



Sunday. 

















19 



.856 



.949 



.791 



.158 



83.2 



93.3 



74.7 



18.6 



20 



.864 



.955 



.787 



.168 



84.4 



96.8 



75.0 



21.8 



21 



.819 



.891 



.700 



.191 



82.5 



91.0 



77.2 



13.8 



22 



.826 



.902 



.766 



.136 



81.9 



92.4 



72.8 



19.6 



23 



.858 



.939 



.796 



.143 



82.8 



92.4 



74.8 



17.6 



24 



.888 



.969 



.828 



.141 



83.4 



95.4 



73.4 



22.0 



25 



Sunday. 

















26 



.761 



.840 



.668 



.172 



86.5 



97.6 



7S.7 



18.9 



27 



.772 



.857 



.710 



.147 



86.4 



97.0 



79 4 



17.6 



28 



.779 



.872 



.686 



.186 



86.7 



98.4 



78.8 



19.6 



29 



'742 



.817 



.679 



.138 



84.7 



93.5 



78.2 



15.3 



30 



.710 



.786 



.649 



.137 



85.8 



95.2 



79.5 



15.7 



31 



.652 



.742 



.560 



.182 



88.4 



100.4 



80.6 



19.8 



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. 



