Meteorological Observations. 



XV] L 



Abstract of Ike Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calculi a, 



in the month of March 1870. 



Latitude 22° 33' 1" North. Longitude 88° 20' 31" East. 



Height of the Cistern of the Standard Barometer above the sea level, 18.1 1 feet. 



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

 dependent thereon. 



Date. 





Range of the Barometer 

 during the day. 



Max. 



I ^ 



Min. 



Diff. 



£'6 



Range of the Tempera- 

 ture during the day. 



Max. 



Min. ! Diff. 



i 





Inches. 



Inches. 



Inches. 



Inches. 















o 



1 



29.933 



30.014 



29.860 



0.154 



76.2 



89.0 



63.0 



26.0 



2 



.849 



29.922 



.769 



.153 



79.0 



92.7 



68.7 



24.0 



3 



.831 



.903 



.775 



.128 



79.3 



93.0 



68.2 



24.8 



4 



.879 



.961 



.830 



.131 



79.6 



91.5 



68.0 



23.5 



6 



.887 



.966 



.832 



.134 



80.0 



92.4 



70.6 



21.8 



6 



.877 



.957 



.810 



.147 



79.5 



91.7 



69.5 



22.2 



7 



.850 



.931 



.793 



.138 



81.2 



93.0 



70.5 



22.5 



8 



.848 



.934 



.791 



.143 



80.6 



90.0 



72.3 



17.7 



9 



.849 



.932 



.789 



.143 



79.1 



89.5 



69.4 



29.1 



10 



.831 



.916 



.765 



.151 



79.2 



92.0 



68.0 



24,0 



11 



.815 



.902 



.764 



.138 



80.0 



91.8 



70.0 



21.8 



12 



.813 



.874 



.775 



.099 



77.6 



85.5 



72.3 



13.2 



13 



.792 



.910 



.704 



.206 



76.2 



90.0 



67.5 



22.5 



14 



.777 



.854 



.702 



.152 



79.7 



91.2 



70.0 



21.2 



15 



.779 



.857 



.696 



.161 



82.1 



90.4 



76.0 



14.4 



16 



.765 



.844 



.704 



.140 



82.3 



93.0 



74.5 



18.5 



17 



.826 



.915 



.770 



.145 



81.3 



87.2 



77.2 



10.0 



18 



.943 



30.035 



.896 



.139 



73.5 



77.7 



70.0 



7.7 



19 



.905 



29.974 



.844 



.130 



78.3 



88.0 



70.0 



18.0 



20 



.894 



.955 



.834 



.121 



80.7 



90.0 



71.5 



18.5 



21 



.906 



.992 



.857 



.135 



82.9 



92.3 



74.0 



18.3 



22 



.891 



.978 



.913 



.165 



83.5 



92.9 



75.7 



17.2 



23 



.872 



.951 



.793 



.158 



84.0 



94.0 



75.0 



19.0 



24 



.864 



.977 



.802 



.175 



81.3 



88.5 



75.5 



13.0 



25 



.823 



.892 



.745 



.147 



81.8 



92.0 



74.2 



17.8 



26 



.844 



.922 



.788 



.134 



82.7 



91.2 



74.5 



16.7 



27 



.875 



.963 



.808 



.155 



83.4 



93.5 



74.4 



19.1 



28 



.813 



.898 



.736 



.162 



84.3 



95.4 



75.0 



20.4 



29 



.741 



.816 



.668 



.148 



86 



98.5 



76.0 



22.5 



30 



.711 



.784 



.633 



.151 



87.3 



101.2 



76.2 



25.0 



31 



.746 



.840 



.688 



.152 



j 87.2 

 1 



97.0 



78.5 



18.5 



l 



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

 Thermometer Means are derived, from the hourly observations, made during 

 the day. 



