Meteorological Observations. 



xix 



Abstract of Ike Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Ojjice, Calcutta, 



in the month of March 1869. 



Hourly Means, &c. of tlie Observations and of the Hygrometrical elements 

 dependent thereon. 





O 53 



.Range 



of the Barometer 



rO 



Range of the Tempera- 







for each hour during 



f~* 



ture for each hour 





r£3 4S ■+=■ 



bo 



1 



;he month 





03 



h3 



during 



the month. 



Hour. 









PS 











cSHH CO 



Max. 



Min. 



Diff. 





Max. 



Min. 



Diff. 





l2 O 









^ 











Inches. 



Inches. 



Inches. 



Inches. 











o 



o 



Mid- 



















night. 



29.879 



29.979 



29.801 



0.178 



76.4 



81.0 



68.0 



13.0 



1 



.867 



.960 



.795 



.165 



76.0 



80.3 



69.0 



11.3 



2 



.855 



.954 



.786 



.168 



75.6 



79.5 



68.8 



10.7 



3 



.847 



.950 



.780 



.170 



75.2 



78.8 



68.8 



10.0 



4 



.841 



.943 



.773 



.170 



74,6 



78.6 



68.9 



9.7 



5 



.850 



.947 



.783 



.164 



74,2 



78.4 



68.5 



9.9 



6 



.869 



.953 



.797 



.156 



74.0 



78.0 



68.5 



9.5 



7 



.892 



.979 



.825 



.154 



74,3 



78.0 



68.0 



10.0 



8 



.921 



.993 



.858 



.135 



76.3 



80.6 



70.5 



10.1 



9 



.942 



30.092 



.865 



.227 



78.6 



84,5 



65.8 



18.7 



10 



.946 



.045 



.865 



.180 



81.0 



87.0 



66.4 



20.6 



11 



.934 



.016 



.851 



.165 



83.2 



90,0 



66.5 



23.5 



Noon. 



.914 



.011 



.820 



.191 



84,8 



92.2 



70.5 



21.7 



1 



.886 



29.963 



.809 



.154 



86.1 



92.5 



72.3 



20.2 



2 



.857 



.940 



.785 



.155 



86.9 



93.6 



73.6 



20.0 



3 



.832 



.885 



.761 



.124 



87.2 



94.3 



75.0 



19.3 



4 



.817 



.878 



.731 



.147 



87.4 



94.5 



76.5 



18.0 



5 



.813 



.889 



.738 



.151 



86.7 



93.9 



75.5 



18.4 



6 



.817 



.898 



.741 



.157 



84.5 



90.3 



74.5 



15.8 



7 



.830 



.909 



.750 



.159 



82.3 



87.2 



73.5 



13.7 



8 



.852 



.936 



.761 



.175 



80.9 



86.0 



73.5 



12.5 



9 



.874 



.943 



.785 



.158 



79.3 



8 1,0 



73.0 



11.0 



10 



.883 



30.000 



.805 



.195 



78.3 



82.6 



73.2 



9.4 



11 



.884 



.030 



.802 



.228 



77.4 



81.8 



68.8 



13.0 



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



Thermometer Means are derived from the observations made at the several 

 hours during the month. 



