Meteor o logica I Observa tio ns . 



lix 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of August 1867. 



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

 dependent thereon. 





«4H -g 



Hange < 



)f the Barometer 



r-O 



"A «• 



Eange of the Tempera- 





"3 <0 • 



(-M jj 4^ 



'53 Br^ 



for each hour during 



P t-< 



ture for each hour 





the month. 





during 



the month. 



Hour. 









p 1 











elm <M 



edPH CO 



Max. 



Min. 



Diff. 



TO (^ 



Max. 



Min. 



Diff. 





l2 <o 









S* 











Inches. 



Inches. 



Inches. 



Inches. 



o 



o 



o 



o 



Mid- 



















night. 



29.626 



29.698 



29.523 



0.175 



81.3 



83.5 



78.8 



4.7 



1 



.615 



.690 



.519 



.171 



81.0 



83.6 



77.0 



6.6 



2 



.605 



.678 



.509 



.169 



80.8 



83.6 



76.8 



6.8 



3 



.595 



.670 



.505 



.165 



80.6 



83.5 



76.5 



7.0 



4 



.590 



.688 



.496 



.192 



80.4 



83.5 



76.5 



7.0 



5 



.598 



.694 



.490 



.204 



80.1 



83.5 



76.3 



7.2 



6 



.610 



.698 



.493 



.205 



80.2 



83.4 



76.6 



6.8 



7 



.623 



.704 



.509 



.195 



80.9 



83.0 



76.8 



6.2 



8 



.641 



.724 



.519 



.205 



81.9 



85.5 



77.0 



8.5 



3 



.652 



.732 



.529 



.203 



83.3 



87.0 



77.8 



9.2 



10 



.653 



.733 



.533 



.200 



84.8 



87.5 



77.0 



10.5 



11 



.641 



.720 



.523 



.197 



85.4 



89.4 



77.0 



12.4 



Noon. 



.626 



.704 



.506 



.198 



86.1 



90.0 



78.2 



11.8 



1 



.605 



.682 



.488 



.194 



86.0 



91.5 



78.4 



13.1 



2 



.582 



.659 



.473 



.186 



85.9 



91.4 



78.5 



12.9 



3 



.561 



.639 



.450 



.189 



85.4 



91.6 



78.0 



13.6 



4 



.548' 



.627 



.432 



.195 



85.4 



90.5 



78.6 



11.9 



5 



.548 



.618 



.445 



.173 



84.5 



88.8 



79.5 



9.3 



6 



.561 



.627 



.452 



.175 



83.7 



88.0 



79.6 



8.4 



7 



.579 



.655 



.478 



.177 



82.8 



86.0 



79.5 



6.5 



8 



.603 



.682 



.500 



.182 



82.3 



85.5 



78.5 



7.0 



9 



.623 



.697 



.510 



.187 



82.0 



85.0 



77.6 



7.4 



10 



.638 



.712 



.536 



.176 



81.8 



84.4 



78.2 



6.2 



11 



.635 



.712 



.530 



.182 



81.6 



84.0 



77.9 



6.1 



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. 



