Number of days on which 

 it feU. 



Amount collected in a gauge 

 placed 26 feet above the ground. 



"^ -f fO Oi -^ Oi 



»Q O 05 QO OJ 

 -rfi O O «?< "O 



•«r o « 00 

 ^ ._ — 



Extreme range of temperature 

 for each mouth and year. 



qoqoO'pwOTfootpgs o 



?5 « (M 0» O* oJ 





Day on which it occurred. 



22g*«2S2^giS g ^ 



Lowest reading of 

 the minimum thermometer. 



« t^ © O « CO -^ ■^ O --^ Tl< CO 



o«bdi(i)-^-Tt<c^co(Nd>i> Qi CO 



CO <?< (?< CO -^ »0 »0 O -^ CO ©« (N 



Day on which it occurred. 



Highest reading of 

 the maximum thermometer. 



O O •p »p CO 00 C» »p O Tf fO 



ocoa-^opi^-ff^-rOiOfN cb ?b. 



»o «o «o *o «o I 



X t^ r^ CO o "^ 



Mean daily range of 



temperature for each month 



and year. 



OC0Q0C0tJiC0C-)0» 



o •bcbc»(X)'^Tf<6o 



F-H CO o 



Oi CO CO 



Mean temperature deduced 



from the readings of all the 



dry thermometers. 



■^oiop-^cposopw'^o 



rP'^TfTj^«OCOCOCO«0«0 



Mean pressure of dry air 

 reduced to the level of the sea. 



; -rf (N »0 Oi Tft O -^ O CO O C^ t^ 



^ijgj^^^sij^g^s ^ ^ 



Extreme range of the 



barometer readings for each 



month and year. 



« t^ t^ O »0 O Tf O «0 05 t>. o 



StT « CO CO TP Tf CO Oi CO C^ «N 



•§ CO -^ O (N rf Oi © 00 -^ CO t» 



a^z,^--©;-©-:.^ - 



Day on which it occurred. 



Lowest reading of the 

 barometer. 



0(N 



CO ■^ "^ Oi Oi *0 Oi 



CO •Tf t^ a> t^ CT> © CO «o CO CO 



.£:gico©©qDcp©c;3cpcp !;>■ Oi CO 



aocoicidiooosojcscido do do do 



Day on which it occurred. 



=^22ggj2 = S2S; S g 



§«^ 



Highest reading of the 

 hurometer 



„• (N «0 © CO © 



£co o CO 00 r-^ 



^_ ._ __^C0Oi©CO Oi O <N 



S CO O CO 00 r-^ CO CO 00 Tf< CO t^ F^ CO 



.a «0 T}< «0 (N CO CO -H (>< -n" (7* T}< »0 •O 



a©©©©©©©©©6 © © 



hhCOCOCOCOOOCOCOCOSOCO CO CO 



True mean deduced from all 



the readings of the barometer 



reduced to 32 degrees of 



Fahrenheit. 



. t^ Oi Tf — »0 » 

 $ Oi -^ 05 Oi t^ CO 

 ^ CO CT> CO CO 00 05 



00 © CO CO r^ 

 oi CO -f t> J3 



00 OS O 00 



CN (?« (7* <N Ol (T* CN <N (N ^ (>» CN 



CD 



(-6 fi< (<i< -< C^ 





Hs (-5 -<(/} O J^ 



174 



