Meteorological Observations. 



xxv 



Abstract of the Results of the Ifovrl// Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of April 1806. 



Latitude 22° 33' 1" North. Longitude 88° 2(T;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^Hygrometricat elements 

 dependent thereon. 





**% 



Range of the Barometer 





Range of the Tempera- 





til 



during the day. 



pq| 

 Kg 



ture dur 



ing the day. 

















Date. 



















Max. 



Min. 



Diff. 



1| 



Max. 



Min. 



Diff. 





Inches. 



Inches. 



Inches. 



Inches. 



O 



o 











1 



29.842 



29.976 



29.781 



0.195 



82.5 



89.9 



76.9 



13.0 



2 



.844 



.915 



.796 



.119 



82.6 



91.8 



76.4 



15.4 



3 



.853 



.955 



.801 



.151 



77.4 



83.4 



73.6 



9.8 



4 



.811 



.882 



.753 



.129 



78,6 



89.0 



71.4 



17.6 



5 



.806 



.879 



.725 



.154 



82.1 



93.0 



72.8 



20.2: 



6 



.738 



.834 



.620 



.214 



83.9 



95.0 



78.2 



16.8 



7 



.695 



.772 



.617 



.155 



85.6- 



96.8- 



77.2 



19.6 



8 



.688 



.760 



.621 



.139 



86.6 



97.6. 



78.0 



19.6 



9 



.707 



.794 



.629 



.165 



88.2 



98.8- 



81.0' 



17.8. 



10 



.655 



.730 



.562 



.168 



89.3 



102.6 



81.8 



20.8 



11 



.615 



.686 



.545 



.140 



89.1 



102.3 



78.8 



23.5 



12 



.642 



.709 



.576 



.133 



88.1 



100.2. 



77.4 



22.8: 



13 



.730 



.810 



.671 



.139 



87.7 



100.2 



77.0- 



23.2 



14 



.716 



.799 



.634 



.165 



88,5 



101.8 



79.2 



22.6 



15 



.674 



.747 



.581 



.166 



88.8 



102.6. 



80.6 



22.0 



16 



.676 



.736 



.630 



.106 



86.3 



93.a 



80.7 



13.1 



17 



.700 



.766 



.642 



.121 



85,3 



90.8 



81.4 



9.4 



18 



.723 



.796 



.618 



.178 



85.1 



92.1 



80.8 



11.3; 



19 



.734 



.812 



.679 



.133 



86.4 



95.6 



81.2 



14.4 



20 



.803 



.894 



.732 



.162 



86.8 



94.0 



81.4 



12.6 



21 



.914 



30.062 



.806 



.256 



82.4 



91.4 



69.6. 



21.8: 



22 



.983 



.074 



.899 



.175 



75.5 



84.4 



68.4 



16.0 



23 



.951 



.039 



.845 



.194 



79.3 



88.2 



73.0 



15.£ 



24 



.902 



29.973 



.804 



.169 



82.5 



91.2 



75.0 



16.2' 



25 



.835 



.917 



.721 



.196 



83.6 



94.2 



75.F 



18.5 



26 



.766 



.853 



.660 



.193 



85.7 



96.4 



77.4. 



19.0 



27 



.796 



.858 



.731 



.127 



86.1 



94.4 



77.8 



16.6. 



28 



.853 



.995 



.788 



.207 



80.3 



89.8 



72.2 



17.6. 



29 



.874 



.959 



.792 



.167 



78.2 



87.0 



73.0 



14.0 



30 



.839 



.900 



.751 



.149 



81.0 



90.6 



72.0 



18.6 



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. 



