Meteorológica! Observations. 



xv n 



Abstract of the Residís of the Hourly Meteorological Observations 



taken at the Surveyor QeneraVs Office, Calcutta, 



in the month of July, 1860. 



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



Feet. 

 Height of the Cistern of the Standard Barometer above the Sea level, 18.1 1 



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

 dependent thereon. 





<_ u 









x> ¿ 













Range < 



if the Barometer 



"3 S 



Range of tbe Tem 



pera- 





^Íl 



during the da 



y- 



tí 



ture dui 



ing the 



day. 













a a 









Date. 

















c a> 



Max. 



Min. 



Diff. 



S J3 

 a) ir* 



Max. 



Min. 



Diff. 





¡3*" ' 









S 











luches. 



Inches. 



Tnclies. 



Inclies. 



o 



o 











1 



Sunday. 

















2 



29.530 



29.584 



29.462 



0.122 



85.3 



91.4 



81.0 



10.4 



3 



.521 



.558 



.457 



.101 



85.5 



91.3 



78.6 



12.7 



4 



.524 



.561 



.458 



.103 



85.0 



89.6 



82.2 



7.4 



5 



.539 



.586 



.488 



.098 



85.3 



90.6 



81.4 



9.2 



6 



.532 



.569 



.478 



.091 



85.5 



90.6 



82.5 



8.1 



7 



.500 



.537 



.434 



.103 



85.3 



90.4 



82.0 



8.4 



8 



Sunday. 

















9 



.523 



.561 



.482 



.079 



85.7 



90.8 



81.6 



9.2 



10 



.505 



.566 



.468 



.098 



87.3 



93.8 



82.8 



11.0 



11 



.446 



.494 



.373 



.121 



88.8 



96.8 



82.0 



14.8 



12 



.456 



.519 



.401 



.118 



87,0 



96.4 



83.4 



13.0 



13 



.511 



.575 



.458 



.117 



87.0 



94.0 



81.4 



12.6 



14 



.534 



.574 



.486 



.088 



85.4 



89.8 



82.0 



7.8 



15 



Sunday. 

















16 



.561 



.622 



.515 



.107 



82.6 



87.4 



79.8 



7.6 



17 



.584 



.624 



.527 



.097 



83.2 



88.8 



80.0 



8.8 



18 



.599 



.644 



.537 



.107 



83.7 



88.6 



80.0 



8.6 



19 



.567 



.605 



.514 



.091 



83.7 



87.2 



80.7 



6.5 



20 



.578 



.619 



.502 



.117 



83.0 



84.8 



80.6 



4.2 



21 



.552 



.592 



.491 



.101 



83.3 



87.8 



80.6 



7.2 



22 



Sunday. 

















23 



.579 



.637 



.536 



.101 



79.4 



81.6 



77.0 



4.6 



24 



.592 



.635 



.532 



.103 



80.7 



87.2 



77.8 



9.4 



25 



.532 



.573 



.476 



.097 



80.7 



83.4 



78.0 



5.4 



26 



.496 



.546 



.434 



.112 



79.6 



80.6 



77.9 



2.7 



27 



.508 



.561 



.460 



.101 



81.6 



84.1 



78.4 



5.7 



28 



.511 



.545 



.464 



.081 



81.8 



87.2 



77.6 



9.6 



29 



Sunday. 

















30 



.512 



.574 



.451 



.123 



82.3 



85.7 



79.0 



6.7 



31 



.537 



.586 



.471 



.115 



82.9 



89.0 



79.2 



9.8 



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

 Thermometers are derived from the tvventy-four hourly observations made during 

 the day. 



