Number of days on which 

 it fell. 



Amount collected in a gauge 

 placed 23 feet above tlie ground. 



icor^cNCiTfooixt^w 



isg 



«0 'O OJ CO V5 >?< t^ 

 CO t^ <n (O (c '-' (x> 



1^ O T* »0 O to O 



6 w w — (N (N — 



Extreme range of temperature 

 for each month and year. 



»o©e<oscoocoi;oQO«xt^ 



Day on which it occurred. 



Lowest reading of 

 the miniinum thermometer. 





Day on which it occurred. 



c^gcoo>-«?^ac2^«;o 





Highest reading of 

 the maximum thermometer. 





Mean daily range of 



temperature for each month 



and year. 



OiQO'^»OCCOOOCOO«pcO 



Mean temperature deduced 



IVora the readings ol all the 



dry thermometers. 



05(?<occa5Tf<o«ot»(NTtoi 



O 00 CO 05 C* 00 



Mean pressure of dry air 

 reduced to the level of the sea. 



•-'^ 1:0 »o «o t^ «o 



Extreme range of the 



barometer readings for each 



month and year. 



SOit^COTfCOOiO — OiOCOO 



■oOC^ooajcitooo-^^t^K- 



0060 



Oi 00 



Day on which it occurred. 



o2 



Lowest reading of the 

 barometer. 



cu0Ct^0iO3t^t^(r»0iOQ000O 



.acoo»pi>co«OTj<cpc<«po 

 aOiOiOiOOClOidsdiOiC^dods 



Day on which it occurred. 



Highest reading of the 

 barometer 



.ciTpC0O"^C0C0C^C0».0TfC0?0 



5600606606600 

 mcocococooococOcocococOco 



s 



True mean deduced from all 



the readings of the barometer 



reduced to 32 degrees of 



Fahrenheit. 



.ocot>»r^«o»oOicof*»ooN 



^CiX'-^COOOO^OiOOOOOOOO) 



§ 





a cj^s chj^ §9 s ® o o ® 

 ►^ Pn g <i S ^ t^ <- c/2 o ;z; ft 



182 



