Meteorological Observations . 



XXV 



Abstract of the Results of the Hourly Meteorological Olservations 



taken at the Surveyor General's Office, Calcutta, 



in the month of April 1867. 



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 Ifygrornetrical elements 

 dependent thereon. 







Range of the Barometer 



- -- 



Range of the Tempera- 





• — ^ 93 



W Jo 



during the day. 



fig 



ture during the day. 



Date. 

















rt PQ -q 









c *-> 











2~ 3 



Max. 



Min. 



Dih°. 



ij 



Max. 



Min. 



Diff. 





Incbes. 



[nchea. 



Inches. 



Inches. 



















1 



29.795 



29.883 



29.718 



0.165 



82.4 



95.2 



73.0 



22.2 



2 



.743 



.819 



.674 



.145 



84.6 



96.6 



75.2 



21.4 



3 



.727 



.818 



.650 



.168 



85.6 



98.0 



75.8 



22.2 



4 



.725 



.802 



.670 



.132 



85.5 



96.8 



76.3 



20.5 



5 



.702 



.754 



.639 



.115 



87.4 



101.2 



77.8 



23.4 



6 



.746 



.815 





.117 



88.7 



102.5 



77.0 



24.9 



7 



.769 



.80S 



.706 



.102 



88.0 



98.5 



80.0 



18.5 



8 



.770 



.852 



.710 



.1 12 



86.3 



98.0 



77.2 



20.8 



9 



.797 



.885 



.723 



.102 



86.3 



97.9 



77.4 



20.5 



10 



.815 



.886 



.726 



.160 



82.9 



• 97.4 



75.8 



21.6 



11 



.802 



.872 



.720 



.152 



81.0 



93.0 



71.4 



21.6 



12 



.846 



.936 



.778 



.158 



81.8 



91.0 



74.0 



17.0 



13 



.895 



.95 I 



.810 



.144 



80.1 



88.0 



73.4 



14.6 



14 



.799 



.881 



.696 



.185 



82.8 



92.8 



73.4 



19.4 



15 



.709 



.839 



.712 



.127 



85.3 



95.8 



78.2 



17.6 



16 



.803 



.919 



.740 



.179 



84.0 



92.7 



76.2 



16.5 



17 



.898 



.962 



.829 



.134 



79.7 



88.4 



7J.2 



17.2 



18 



.895 



.969 



.821 



.148 



82.1 



92.2 



75.0 



17.2 



19 



.852 



.942 



.760 



.182 



84.5 



96.6 



74.5 



22.1 



20 



.787 



.858 



.714 



.144 



85.8 



97.4 



70.4 



21.0 



21 



.712 



.802 



.698 



.104 



84.1 



97.8 



77.4 



20.4 



22 



.786 



.845 



.694 



.151 



84.6 



95.6 



76.4 



19.2 



23 



.821 



.901 



.719 



.152 



85.1 



94.6 



76.0 



18.6 



24 



.777 



.830 



.675 



.155 



85.4 



93.6 



78.6 



15.0 



25 



.771 



.827 



.694 



.133 



85.2 



93.6 



79.5 



14.1 



26 



.851 



.930 



.756 



.174 



84.6 



91.8 



78.1 



13.7 



27 



.847 



.915 



.707 



.148 



85.9 



97.0 



76.6 



20.4 



28 



.780 



.868 



.706 



.162 



87-5 



97.4 



79.6 



17.8 



29 



.748 



.829 



.668 



.161 



89.2 



99.6 



81.2 



18.4 



30 



.734 



.803 



.657 



.146 



89.6 



99.4 



81.4 



18.0 



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

 Thermometer Means .are derived, from the hourly observations, made during 

 the day. 



