Meteorological OLserva lions. 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of March 1869. 



Latitude 22° W 1" North. Longitude 88° 20' 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 Hygrometrical elements 

 dependent thereon. 





'o £ 



Bange of the Bai 



•ometer 



13 ^ 



Bange of the Tempera - 





1=j <U -+3 



dm 



ing the day. 



Si 



tore during the day. 



Date. 



















Max. 



Mini 



Diff. 



Si 



Max. 



Min. 



Diff. 





^j +3 cS 









£H 











Inches. 



Inches. 



Inches. 



Inches. 















o 



1 



29.932 



30.016 



29.862 



0.154 



77.9 



86.8 



71.5 



15.3 



2 



.867 



29.933 



.808 



.125 



79.8 



88.3 



73.6 



14,7 



3 



.863 



.931 



.797 



.134 



86.5 



89.5 



74.0 



15.5 



4 



.904 



.966 



.834 



.132 



77.9 



81.5 



76.0 



5.5 



5 



.925 



.987 



.865 



.122 



79.8 



86.5 



74.4 



12.1 



6 



.913 



30.030 



.815 



.215 



75.4 



84.5 



68.8 



15.7 



7 



.900 



29.997 



.826 



.171 



73.5 



79.5 



68.0 



11.5 



8 



.868 



.941 



.814 



.127 



75.7 



83.0 



68.6 



14.4 



9 



.904 



.987 



.841 



.146 



78.7 



86.8 



71.6 



15.2 



10 



^.934 



30.092 



.843 



.249 



73.2 



76.5 



65.8 



10.7 



11 



.883 



29.966 



.819 



.147 



75.5 



83.5 



68.0 



15.5 



12 



.870 



.960 



.809 



.151 



78.6 



87.7 



71.4 



16.3 



13 



.848 



.925 



.783 



.142 



80.4 



88.5 



74.3 



14.2 



14 



.821 



!889 



.756 



.133 



81.9 



89.8 



76.0 



13.8 



15 



.807 



.865 



.749 



.116 



83.4 



92.7 



76.8 



15.9 



16 



.874 



.952 



.834 



.118 



82.8 



89.7 



78.0 



11.7 



17 



.855 



.926 



.800 



.126 



84.0 



93.4 



76.8 



16.6 



18 



.844 



.921 



.797 



.124 



81.7 



87.9 



76.5 



11.4 



19 



.803 



.875 



.731 



.144 



81.0 



92.5 



74.5 



18.0 



20 



.806 



.890 



.749 



.141 



80.5 



89.4 



73.6 



15.8 



21 



.825 



.892 



.770 



.122 



77.9 



85.6 



73.7 



11.9 



22 



.877 



.955 



.812 



.143 



78.0 



87.5 



69.0 



18.5 



23 



.883 



.971 



.812 



.159 



78.3 



87.4 



70.4 



17.0 



24 



.878 



.954 



.806 



.148 



82.3 



90.5 



75.4 



15.1 



25 



.852 



.944 



.790 



.154 



81.6 



89.5 



75 - 5 



14.0 



26 



.841 



.926 



.775 



.151 



84.1 



92.3 



76.9 



15.4 



27 



.848 



.939 



.774 



.165 



83.9 



93.8 



76.5 



17.3 



28 



.892 



.963 



.828 



.135 



82.6 



91.4 



75.5 



17.9 



29 



.893 



.960 



.839 



.121 



83.6 



92.0 



76.0 



16.0 



30 



.886 



.949 



.818 



.131 



82.8 



92.0 



75.0 



17.0 



31 



.897 



.974 



.849 



.125 



84.4 



94.5 



74.7 



19.8 



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

 Thermometer Means are derived, from the hourly observations, made durin; 

 the day. 



