Meteorological Observations 



XXXV 



Abstract of the BesuUs of the Hourly Meteorological Observations 



taken at the Surveyor GeneraVs Office, Calcutta, 



in the month of May V61^. 



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



dependent tliereoix. 





^^ 



Uange 



Df the Barometer 



Xi 



Uange 



of the Temi)era- 





Height 

 brometer 

 ^ Faht. 



for each hour during 



C3 f-i 



tare 



for each 1 



lOur 





the month 



• 



fi a 



durii 



ig the month. 



Hour. 

















%^-^ 



Max. 



Min. 



DilF. 



1% 



Max. 



Min. 



Diff. 





^1 









1^ 











Inches. 



Inches. 



Inches. 



Inches. 







o 







o 



Mid- 



















night. 

 1 



29.619 



29.752 



29.513 



0.239 



82.4 



86.0 



73.8 



12.2 



.613 



.737 



.515 



.222 



82.2 



85.8 



72.9 



12.9 



2 



.604 



.725 



.510 



.215 



81.9 



85.5 



72.9 



12.6 



3 



.594 



.715 



.504 



.211 



81.6 



85.0 



73.5 



11.5 



4 



.593 



.704 



.496 



.208 



81.3 



84.4 



73.5 



10.9 



5 



.605 



.720 



.508 



.212 



81.2 



84.5 



74.0 



10.5 



6 



.622 



.743 



.520 



.223 



81.3 



84.5 



74.8 



9.7 



7 



.641 



.754 



.538 



.216 



82.6 



86.0 



75.0 



11.0 



8 



.657 



.778 



.554 



.224 



85.2 



88.0 



79-7 



8.3 



9 



.664 



.780 



.564 



.216 



88.0 



91.0 



82.8 



8.2 



10 



.664 



.787 



.567 



.220 



90.4 



91.0 



85.6 



8.4 



11 



.654 



.774 



.556 



.218 



92.6 



96.5 



89.5 



7.0 



Noon. 



.639 



.751 



.531 



.217 



94.1 



99.2 



88.2 



11.0 



1 



.619 



.731 



.515 



.216 



95.1 



100.8 



89.8 



11.0 



2 



.595 



.696 



.489 



.207 



95.6 



101.5 



90.5 



11.0 



3 



.572 



.675 



.455 



.220 



95.2 



101.0 



84.5 



16.5 



4 



.552 



.664 



.452 



.212 



94.4 



99.0 



81.5 



14.5 



5 



.546 



.654 



.450 



.204 



91.9 



96.0 



82.5 



13.5 



6 



.559 



.660 



.461 



.199 



89.2 



92.5 



79.0 



13.5 



7 



.577 



.670 



.473 



.197 



86.9 



90.0 



78.3 



11.7 



8 



.603 



.698 



.487 



.211 



85.5 



88.0 



78.2 



9.8 



9 



.618 



.718 



.508 



.210 



84.1 



87.8 



77.0 



10.8 



10 



.627 



.728 



.528 



.200 



83.4 



87.0 



76.5 



10.5 



11 



.623 



.711 



.531 



.180 



83.1 



86.0 



77.0 



9.0 



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. 



