Meteorological Observations, 



lix 



Abstract of the Hesults of the Hourly Meteorological Observations 

 at the Surveyor General 's Office, Calcutta, 

 in the month of August, 1858. 



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

 dependent thereon. 



Hour. 



Height of 

 Barometer 

 52° Faht. 



Ran«e of the Barometer for 



each hour during the 



month. 



CO "S 



q a 



Range of the Tempera- 

 ture for each hour 

 during the 

 month. 





















Max. 



Min. 



Diff. 



<0 !T* 



Max. 



Min. 



Diff. 





§ 









S 











Inches. 



Inches. 



Inches. 



Inches. 







o 







o 



Mid- 

 night. 



29.574 



29.706 



29.459 



0.247 



81.6 



84.2 



78.2 



6.0 



1 



.562 



.690 



.442 



.248 



81.4 



84.2 



77.8 



6-4 



2 



.552 



.682 



.434 



.248 



81.2 



84.2 



78.8 



5.4 



3 



.541 



.672 



.416 



.256 



81.2 



83.8 



78.8 



5.0 



4 



.534 



.672 



.417 



.255 



80.8 



83.0 



78.6 



4.4 



5 



.546 



.680 



.420 



.260 



80.7 



83.0 



78.6 



4.4 



6 



.563 



.698 



.443 



.255 



80.6 



82.8 



78.4 



44 



7 



.575 



.705 



.443 



.262 



81.1 



83.2 



78.6 



4.6 



8 



.592 



.727 



.449 



.278 



82.9 



85.4 



79.8 



5.6 



9 



.600 



.734 



.461 



.273 



84.0 



87.2 



79.8 



7.4 



10 



.603 



.735 



.455 



.280 



85.4 



88.6 



79.6 



9.0 



11 



.595 



.730 



.447 



.283 



86.1 



89.1 



79.6 



9.5 



Noon. 



.580 



.715 



.429 



.286 



86.8 



90.4 



79.6 



10.8 



1 



.559 



.704 



.421 



.283 



87.6 



91.6 



79 6 



12.0 



2 



.533 



.667 



.401 



.266 



87.5 



92.0 



79.8 



12.2 



3 



.514 



.663 



.376 



.287 



87.4 



92.6 



79.6 



130 



4 



.502 



.639 



.357 



.282 



86.5 



91.6 



82.0 



9.6 



5 



.501 



.618 



.364 



.254 



85.5 



91.2 



79.8 



11.1. 



6 



.514 



.635 



•374 



.261 



84 6 



87.8 



79.7 



8.1 



7 



.534 



.652 



.394 



.258 



83.4 



86.6 



77.9 



8.7 



8 



.558 



.661 



.420 



.241 



82.8 



85.6 



77.6 



8.0 



9 



.578 



.688 



.440 



.248 



82.6 



85.3 



78.2 



7.1 



10 



.588 



.689 



.447 



.242 



822 



85.2 



77.6 



7.6 



11 



.587 



.693 



.456 



.237 



82.0 



84.3 



78.6 



57 



The Mean height of the Barometer, as likewise the Mean Dry and Wet Eulb 

 Thermometers are derived from the observations made at the several bouts 

 during the month. 



