Meteorological Observations. 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor GeneraVs Office, Calcutta, 



in the month of August, 1857. 



Latitude 22° 33' 1" North. Longitude 88° 20' 34" East. 



Feet. 

 Height of the Cistern of the Standard Barometer above the Sea level, 18.11. 



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

 dependent thereon. 





O <w 



Range 



of the Barometer 





Range of the Tempera- 







du 



ring the d 



»y- 



*i 



ture du 



ring the 



day. 





CO 









p a 









Date. 

















C 0) 4 J 



18 *3 * 



Max. 



Min. 



Diff. 





Max. 



Min. 



Diff. 





1" 









s 











Inches. 



Inches. 



Inches. 



Inches. 







o 



o 



o 



1 



29.632 



29.665 



29.574 



0.091 



80.3 



84.0 



78.4 



5.6 



2 



Sunday. 

















3 



.650 



.701 



.579 



.122 



81.0 



85.0 



77.6 



7.4 



4 



.578 



.671 



.493 



.178 



81.0 



83.6 



79.4 



4.2 



5 



.508 



.557 



.446 



.111 



80.3 



81.8 



79.0 



2.8 



6 



.462 



.506 



.422 



.084 



79.5 



81.4 



76.6 



4.8 



7 



.454 



.492 



.392 



.100 



81.0 



84.0 



78.7 



5.3 



8 



.447 



.487 



.389 



.098 



81.8 



85.0 



79.1 



5.9 



9 



Sunday. 

















10 



.469 



.536 



.424 



.112 



80.9 



83.4 



78.8 



4.6 



11 



.505 



.553 



.457 



.096 



81.5 



87.0 



79.4 



7.6 



12 



.514 



.558 



.447 



.111 



81.0 



84.2 



79.4 



4.8 



13 



.483 



.535 



.407 



.128 



81.1 



86.0 



77.7 



8.3 



14 



.462 



.512 



.386 



.126 



81.8 



86.8 



78.8 



8.0 



15 



.473 



.516 



.403 



.113 



82.4 



87.4 



78.8 



8.6 



16 



Sunday. 

















17 



.438 



.506 



.359 



.147 



82.2 



88.8 



79.8 



9.0 



18 



.406 



,456 



.335 



.121 



82.8 



87.7 



80.2 



7.5 



19 



.352 



.463 



.239 



.224 



81.9 



85.4 



79.6 



5.8 



20 



.493 



.568 



.418 



.150 



82.7 



87.7 



78.6 



9.1 



21 



.531 



.576 



.463 



.113 



84.1 



89.0 



80.9 



8.1 



22 



.534 



.576 



.482 



.094 



83.5 



85.3 



81.8 



3.5 



23 



Sunday. 

















24 



.584 



.629 



.533 



.096 



81.4 



86.2 



77.4 



8.8 



25 



.587 



.638 



.511 



.127 



83.7 



89.4 



80.6 



8.8 



26 



.561 



.604 



.492 



.112 



84.2 



89.0 



80.6 



8.4 



27 



.571 



.635 



.513 



.122 



83.6 



89.4 



80.6 



8.8 



28 



.596 



.650 



.530 



.120 



82.8 



86.4 



80.2 



6.2 



29 



.577 



.619 



.518 



.101 



82.7 



87.4 



80.3 



7.1 



30 



Sunday. 

















31 



.561 



.732 



.587 



.145 



82.3 



86.0 



79.6 



6.4 



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

 Thermometers are derived, from the twenty-four hourly observations made, during 

 the day. 



