Meteorological Observations. 



lxxiii 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor OeneraVs Office, Calcutta, 



in the month of October, 1864. 



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. 





sight of 

 rometer 

 Faht. 



Range of the Barometer 

 during the day. 



hi 



Range of the Tempera- 

 ture during the day. 





^PQn 









& a 







Date. 



















Max. 



Min. 



Diff. 



g-JS. 



<d EH 



Max. 



Min. 



Diff. 





a 









» 











Inches. 



Inches. 



Inches. 



Inches. 



o 







o 







1 



29.836 ' 



29.901 



29.776 



0.125 



84.9 



89.8 



82.2 



7.6 



2 



Sunday. 

















3 



.809 



.866 



.745 



.121 



84.4 



90.8 



78.2 



.12.6 



4 



.797 



.866 



,734 



.132 



79.5 



83.0 



77.0 



6.0 



5 



.450 



.719 



28.681 



1.038 



76.3 



78 2 



74.4 



3.8 



6 



.803 



.871 



29.712 



0.159 



80.0 



85.2 



75.8 



9.4 



7 



.839 



.891 



.771 



.120 



81.7 



87.8 



77.4 



10.4 



8 



.849 



.906 



.791 



.115 



82.4 



89.4 



77.4 



12.0 



9 



Sunday. 

















10 



.859 



.906 



.807 



.099 



78.5 



81.3 



77.4 



3.9 



11 



.874 



.939 



.813 



.126 



80.8 



86.6 



77.0 



9.6 



12 



.862 



.915 



.794 



.121 



81.6 



86,0 



77.4 



8.6 



13 



.863 



.919 



.811 



.108 



80.9 



85.8 



77.0 



8.8 



14 



.912 



.966 



.851 



.115 



81.0 



86.8 



76.4 



10.4 



15 



.931 



.991 



.884 



.107 



81.1 



86.6 



76.0 



10.6 



16 



Sunday. 

















17 



.934 



30.000 



.890 



.110 



82.1 



87.0 



78.0 



9.0 



18 



.946 



.007 



.893 



.114 



82.0 



87.5 



76.0 



11.5 



19 



.923 



29.994 



.854 



.140 



82.5 



88.3 



76.8 



11.5 



20 



.877 



.906 



.822 



.084 



80.3 



85.2" 



74.1 



11.1 



21 



.869 



.928 



.820 



.108 



71.9 



75.2 



69.1 



6.1 



22 



.779 



.832 



.728 



.104 



74.1 



75.8 



72.2 



3.6 



23 



Sunday. 

















24 



.810 



.872 



.768 



.104 



81.1 



88.0 



75.0 



13.0 



25 



.859 



.926 



.799 



.127 



81.9 



90.4 



75.0 



15.4 



26 



.936 



30 e 019 



.872 



.147 



81.2 



89 8 



74.8 



15.0 



27 



.949 



.007 



.901 



.106 



80.4 



88.2 



72.8 



15.4 



28 



.956 



.032 



.902 



.130 



79.1 



86.5 



72.5 



14.0 



29 



.978 



.062 



.932 



.130 



78.0 



85.0 



70.6 



14.4 



30 



Sunday. 

















31 



.983 



.057 



.935 



.122 



80.1 



86.8 



74.2 



j 12.6 





The Mean Height of the Barometer, as likewise the Dry and Wet Bnlb Ther- 

 mometer Means, are derived from the hourly Observations made during the day. 



