Meteorological Observations. 



lxxv 



Abstract of the "Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of October 1867. 



Hourly Means, &e. of the Observations and of the Hygrometrical elements 

 dependent thereon. 





O «3 



.Range of the Barometer 



W-2 



Range of the Tempera- 







for each hour c 



uring 



ture for each hour 





the month 





CD 



h. ° 



p a 



during 



the month. 



Hour. 



















Max. 



Min. 



Diff. 



2 s 



Max. 



Min. 



Diff. 























Inches. 



Inches. 



Inches. 



Inches. 



O 



o 



o 



o 



Mid- 



















night. 



29.883 



29.949 



29.813 



0.136 



78.9 



82.6 



73.0 



9.6 



1 



.873 



.940 



.795 



.145 



78.5 



82.2 



72.5 



9.7 



2 



.865 



.935 



.790 



.145 



78.1 



82.0 



72.4 



9.6 



3 



.858 



.934 



.783 



.151 



77.9 



81.6 



71.3 



10.3 



4 



.857 



.929 



.802 



.127 



77.6 



81.5 



70.5 



11.0 



5 



.872 



.938 



.815 



.123 



77.4 



81.3 



70.0 



11.3 



6 



.889 



.951 



.821 



.130 



77.2 



81.0 



69.5 



11.5 



7 



.905 



.974 



.840 



.134 



78.1 



81.5 



70.6 



10.9 



8 



.924 



.998 



.855 



.143 



80.6 



84.0 



74.0 



10.0 



9 



.937 



30.008 



.862 



.146 



82.6 



86.8 



74.7 



12.1 



10 



.939 



.003 



.860 



.143 



83.9 



87.2 



74.5 



12.7 



11 



.921 



29.981 



.842 



.139 



85.1 



88.0 



74.4 



13.6 



Noon. 



.899 



.965 



.833 



.132 



85.3 



89-4 



73.4 



16.0 



1 



.871 



.937 



.808 



.129 



85.3 



90.0 



73.0 



17.0 



2 



.847 



.912 



.776 



.136 



85.4 



89.5 



73.0 



16.5 



3 



.830 



.892 



.755 



.137 



85.6 



90.0 



73.0 



17.0 



4 



.828 



.887 



.767 



.120 



84.9 



89.6 



72.4 



17.2 



5 



.832 



.901 



.773 



.128 



84.2 



89.0 



72.2 



16.8 



6 



.847 



.921 



.782 



.139 



82.3 



86.6 



71.6 



15.0 



7 



.863 



.919 



.793 



.126 



81.3 



85.0 



71.0 



14.0 



8 



.882 



.939 



.811 



.128 



80.6 



84.5 



70.8 



13.7 



9 



.896 



.950 



.841 



.109 



79.9 



84.0 . 



71.0 



13.0 



10 



.903 



.959 



.843 



.116 



79.4 



83.5 



71.0 



12.5 



11 



.896 



.955 



.845 



.110 



79.0 



82.8 



70.6 



12.2 



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. 



