Meteorological Observations. 



Abstract of the Results of the Hourly Meteorological Observations 

 taken at the Surveyor OeneraVs Office, Calcutta, 



in the month of October, 1865. 



Latitude 22° 33' 1" North. Longitude 88° 20' 34" East. 



Height of the Cistern of the Standard Barometer ahove the Sea-level, 18 ft. 11 in. 



Daily Means, &c. of the Observations and of the Hygroraetrical elements 

 dependent thereon. 





light of 

 •ometer 

 Faht. 



Range 

 du 



of the Barometer 

 •ing the day. 



pa. g 



Range of the Teir 

 ture during the 



pera- 

 day. 





•^ S3 °i 









a 2 









Date. 



Max. 



Min. 



Dfff. 



Max. 



Min. 



Diff. 





£ 









s 













Inches. ' 



Inches. 



Inches. 



Inches. 







o 







1- 



29.727 



29.796 



29.656 



0.140 



87.2 



92 2 



83.3 



8.9 



2 



.718 



.777 



.640 



.137 



86.7 



92.2 



81.2 



11.0 



3 



.763 



.831 



.716 



.115 



87.4 



93 2 



82.2 



11.0 



4 



.753 



.824 



.692 



.132 



87.2 



93.1 



81.3 



11.8 



5 



.751 



.812 



.692 



.120 



87.2 



92.8 



82.2 



10.6 



6 



.751 



.807 



.687 



.120 



87.4 



93.0 



82.5 



10.5 



7 



.7S8 



.842 



.736 



.106 



86.9 



92.6 



81.2 



11.4 



8 



.855 



.912 



.801 



.111 



87.1 



92.8 



82.6 



10.2 



9 



864 



.931 



.788 



.143 



86.8 



93.4 



82.0 



11.4 



10 



.873 



.944 



.823 



.121 



85.8 



92.1 



81.4 



10.7 



11 



.882 



.951 



.815 



.136 



85.9 



91.8 



81.6 



10.2 



12 



.884 



.951 



.821 



.130 



84.7 



91.2 



79.8 



11.4 



13 



.890 



.982 



.839 



.123 



83.4 



90.8 



78.2 



126 



14 



.914 



.999 



.863 



.136 



85.3 



92.2 



80.0 



12.2 



15 



.922 



30.005 



.854 



.151 



84.8 



92 6 



79 



13.6 



16 



.887 



29.953 



.824 



.129 



84 4 



91.4 



78.5 



12.9 



17 



.859 



.929 



.807 



.122 



83.8 



90.2 



77.4 



12.8 



18 



.855 



.915 



.794 



.121 



83.6 



89.8 



77.4 



12,4 



19 



.876 



.943 



.777 



.166 



84.3 



90.0 



79.0 



110 



20 



.918 



.987 



.867 



.120 



83.8 



90.0 



78.0 



12.0 



21 



.904 



.969 



.846 



.123 



83.0 



87 6 



79.8 



7.8 



22 



.853 



.922 



.799 



.123 



83.8 



90.6 



78.9 



11.7 



23 



.842 



'.915 



.808 



.107 



84.0 



91.4 



79.0 



12.4 



24 



.817 



.917 



.807 



.110 



81.3 



89.0 



74,8 



14.2 



25 



.856 



.935 



.815 



.120 



80.5 



89.3 



72.6 



17.0 



26 



.857 



.933 



.804 



.129 



81.0 



89.8 



72.8 



17.0 



27 



.839 



.904 



.786 



.118 



81.9 



90.2 



74.0 



16.2 



28 



.873 



.935 



.830 



.105 



82.9 



91.4 



76.6 



14.8 



29 



.91S 



.998 



.863 



.135 



82.4 



89.6 



76.2 



13.4 



30 



.904 



.983 



.838 



.145 



81.5 



88.8 



75.6 



13,2 



31 



.875 



.952 



.807 



.145 



79.5 



86.6 



73.4 



13.2 



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

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



