Meteorological Observations* 



xix 



Abstract of the Results of the Hourly Meteorological Observations 

 tajcen at the Surveyor General's Office, Calcutta, 

 in the month of March 1867. 



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

 dependent thereon. 





42 





o 



<a 







u 





rZ 





+3 



bC 



:., 



rd 





O 

 U 



c3 

 O 



Pi 



CO 



m 



CM 



TO 





CO 



+3 





Eange of \\\.q Barometer 



for each hour during 



the month. 



Max. 



Min. 



Diff. 



CD 



B « 



C3 i-l 



Eange of the Tempera- 

 ture for each hour 

 during the month. 



Max. 



Min. 



Diff. 



10 

 11 



Noon. 

 1 

 2 



3 



4 



5 



6 



7 



8 



9 



10 

 11 



Inches. 



29.901 

 .891 

 .882 

 .873 



' .869 

 .880 

 .896 

 .915 

 .943 

 .962 

 .966 

 .955 



.931 



.899 

 .868 

 .843 

 .832 

 .832 

 .842 

 .859 

 .881 

 .904 

 .916 

 .907 



Inches. 



Inches. 



Inches. 



o 



30.003 



29.806 



0.197 



75.8 



29.996 



.800 



.196 



75.2 



.992 



.794 



.198 



74.8 



.988 



.783 



.205 



74.2 



.979 



.775 



.204 



73.6 



.993 



.792 



.201 



73.2 



30,007 



.806 



.201 



72.8 



.025 



.817 



.208 



73.3 



.054 



.837 



.217 



76.2 



.078 



.854 



.224 



79.0 



.080 



.858 



.222 



82.1 



.067 



.844 



.223 



84.6 



.036 



.830 



.206 



86.8 



.004 



.795 



.209 



88.3' 



29.969 



.759 



.210 



89.0 



.942 



.737 



.205 



89.6 



.923 



.725 



.198 



89.3 



.931 



.725 



.206 



87.4 



.938 



.729 



.209 



84.0 



.969 



.755 



.214 



81.7 



30.031 



.777 



.254 



79.5 



.025 



.798 



.227 



78.4 



.058 



.821 



.237 



77.2 



.032 



.815 



.217 



76.2 



78.8 

 78.2 

 77.8 

 77.4 

 77.4 

 76.8 

 76.6 

 78.2 

 81.8 

 84.6 

 86.6 

 89.2 



90.6 

 92.0 

 93.4 



94.0 



94,2 

 92.2 

 88.2 

 86.0 



80.0 

 79.5 



71.4 

 71.0 

 70.2 

 69.8 

 69.3 

 68.6 

 68.7 

 69.5 

 71.0 

 74,2 

 78.0 

 78.8 



79.6 



80.2 

 81.2 

 81.2 

 79.9 

 75.0 

 76.0 

 75.4 

 73.6 

 73.0 

 72.0 

 71.8 



7.4 



7.2 



7.6 



7.6 



8.1 



8.2 



7.9 



8.7 



10.8 



10.4 



8.6 



10.4 



11.0 



11.8 



12.2 



12.8 



14.3 



17.2 



12.2 



10.6 



10.6 



9.4 



8.0 



7.7 



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. . 



