Meteorological Observations. 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the mouth of February 1875. 



Latitude 22° So \" North. Longitude 88° 20' 8 J." East. 



Height of the Cistern of the Standard Barometer above the sea level, 18. 1 1 fei+fc. 



Daily Means, Sec. of the Observations and of the JFj'gronietrical elements 



dependent thereon. 



Date 



-; o P 



' ci - £ is 



W^ o 



Jiange of the Bnrometer 

 during the clay. 



Max. Min. 



Diff. 





Range of the Tempera- 

 ture during the day. 



Max. 



Min. 



Diff 





Indies. 



fnehes. 



Inches. 



i Indies. 



o 











o 



1 



30.063 



30.145 



30.003 



0.142 



62.5 



69.2 



56.0 



13.2 



2 



.042 



.114 



29.977 



.137 



63.1 



72.6 



54.5 



18.1 



3 



.068 



.140 



30.026 



.114 



65.8 



76.0 



57.5 



18.5 



4 



.068 



.169 



29.996 



.173 



66.2 



78.0 



56.0 



22.0 



5 



.004 



.079 



.942 



.137 



68.9 



81.3 



58.0 



23.3 



6 



29.986 



.071 



.930 



.141 



71.1 



81.8 



■ 61.6 



20.2 



7 



.976 



.077 



.909 



.168 



72.5 



82.2 



64.5 



17.7 



8 



.953 



.024 



.902 



.122 



72.2 



82.0 



65.5 



16.5 



9 



.949 



.031 



.886 



.145 



71.1 



80.5 



65.5 



15.0 



10 



.938 



.003 



.901 



.102 



72.2 



79.5 



65.2 



14.3 



11 



.992 



.07 1 



.938 



.133 



73.3 



80.7 



68.4 



12.3 



12 



30.017 



.106 



.947 



. 1 59 



71.1 



80.0 



63.3 



16.7 



13 



29-973 



.050 



.900 



.150 



70.9 



82.0 



61.8 



20.2 



U 



.951 



.037 



.893 



. 1 4 t 



73.4 



85.2 



63.5 



21.7 



15 



.938 



.017 



.860 



.157 



75.3 



87.7 



65.5 



22.2 



16 



.899 



29.971 



.836 



.135 



75.5 



88.0 



66.9 



21.1 



17 



.922 



.988 



. .867 



.121 



71.1 



, 80.0 



63.5 



16.5 



38 



.979 



30.062 



.917 



.145 



69.9 ■ 



78.5 



61.8 



16.7 



19 



.963 



.044 



.914 



.130 



70.8 



80.0 



62.5 



17.5 



20 



.986 



.055 



.929 



.126 



72.2 



82.5 



62.5 



20.0 



2L 



.976 



.064 



.917 



.147 



73.3 



84.4 



63.5 



20.9 



22 



.932 



.004 



.867 



.137 



75.6 



86.2 



65.0 



21.2 



23 



.897 



29.963 



.847 



.116 



77.2 



88.7 



6S.5 



20.2 



21 



.882 



.945 



.833 



.112 



78.5 



88.8 



70.0 



18.8 



25 



.933 



30.007 | 



.890 



.117 



7S.5 



87.8 



70.7 



17.1 



26 



.962 



.047 I 



.910 



.137 



75.4 



84.8 



66.8 



18.0 



27 



.9i>7 



29.996 



.825 



.171 



74.1 



85.5 



64.6 



21.0 



28 



.851, 



.940 



.796 



.144 



74.6 



86.5 



65.3 



21.2 



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

 Thermometer Means arc derived, from the hourly observations, made at the 

 several hours during the day. 



