Meteorological Observations. 



XXXlll 



Abstract of the Results of the Hourly Meteorological Observation* 



taken at the Surveyor General's Office, Calcutta, 



in the month of October, 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. 





<4d •_. 



o <u 



Range 



of the Barometer 



3 2 



Range of the Tempera- 





si! 



during the d 



ay. 



03 <u 



ture during the 



day. 



































Q 



(U -»-> CO 



Max. 



Min. 



Diff. 



c 2 



Max. 



Min. 



Diff. 





Inches. 



Inches. 



Inches. 



Inches. 



o 



o 



o 



o 



1 



29.837 



29.899 



29.767 



0.132 



83.7 



89.8 



80.2 



9.6 



2 

 3 



Sunday. 

 .702 



.771 



.641 



.130 



81.0 



85.2 



78.8 



6.4 



4 



.682 



.735 



.628 



.107 



78.7 



82.7 



77.6 



5.1 



5 



.698 



.756 



.639 



.117 



80.7 



86.4 



77.3 



9.1 



6 



.677 



.722 



.600 



.122 



82.3 



88.2 



78.6 



9.6 



7 



.688 



.746 



.639 



.107 



82.8 



87.2 



80.1 



7.1 



8 



.697 



.764 



.626 



.138 



82.4 



86.6 



79.6 



7.0 



9 



10 



Sunday. 

 .743 



.790 



.693 



.097 



81.0 



86.0 



78.2 



7.8 



11 



.767 



.825 



.718 



.107 



81.8 



86.6 



77.8 



8.8 



12 



.770 



.835 



.709 



.126 



83.0 



87.4 



79.4 



8.0 



13 



.768 



.829 



.716 



.113 



82.5 



87.2 



78.8 



8.4 



14 



.781 



.850 



.720 



.130 



83.3 



87.6 



79.6 



8.0 



15 



.772 



.817 



.706 



.111 



83.1 



87.4 



79.8 



7.6 



16 



17 



Sunday. 

 .739 



.804 



.685 



.119 



83.6 



88.6 



79.6 



9.0 



18 



.716 



.783 



.651 



.132 



83.3 



89.3 



78.0 



11.3 



19 



.682 



.746 



.625 



.121 



82.3 



87.2 



79.0 



8.2 



20 



.696 



.752 



.652 



.100 



82.0 



88.0 



75.6 



12.4 



21 



.777 



.844 



.723 



.121 



81.5 



88.6 



76.0 



12.6 



22 



.845 



.914 



.801 



.113 



80.9 



88.4 



74.4 



14.0 



23 



24 



Sunday. 

 .889 



.958 



.838 



.120 



79.9 



87.0 



76.0 



11.0 



25 



.914 



.981 



.865 



.116 



80.8 



87.8 



75.2 



12.6 



26 



.960 



30.021 



.915 



.106 



81.2 



87.6 



76.0 



11.6 



27 



.979 



.048 



.927 



.121 



80.2 



86.8 



75.0 



11.8 



28 



.980 



.053 



.93L 



.122 



79.4 



86.6 



74.2 



12.4 



29 



.968 



.039 



.926 



.113 



78.9 



86.2 



72.1 



14.1 



30 

 31 J 



Sunday. 

 .967 



.027 



.915 



.112 



78.0 



87.2 



71.8 



15.4 



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. 



