METEOROLOGICAL OBSERVATIONS MADE AT CHISWICK IN 1901. 801) 



month, July, the soil at 4 feet deep was on an average as much as 

 7 degrees colder than the air, at 2 feet deep 2}^ degrees colder than the 

 air, but at 1 foot deep it was about half a degree warmer than the air. 



DIAGRAM 3.J^a/i Temt^emiure oflkejir at Chiswic/t. conumrecL 

 wMv The mmn temperature of the^ Sml at J ft. 2ft. and "fft, deep, for 

 each, monlft during the Year f90f taken at 9 a.m. 



. Tern p. 



JAN. 



r~ r~ n 



FEB. 



MAR. 



APRIL 



■ JAW 



MAY 



1 1 1 Ai r 



JUNE 



JULY 



All/* 



AUG. 



SEPT. 



OCT. 



NOV. 



DEC. 



n ^ n 



























66 



























6^ 















' / \ 



\ 



\ 



> 











63 













/ 



/ 



/ •— . — 













6Z 













/ 



^1 L. 



r / 



/ 

 . 



\ V 





1 

 1 





67 













W i 



1 1 

 1 / 

 r / / 



i 



V 











60 



















\. 









69 

















\ 



\ *\ 









58 













' If 

 ' /.' 



Ii 



A-' 



/ 













57 











1 



1 

 1 



Ii 



Ii 



1 













56 











1 



1 , 

 1 1 

 1 i 



" J 



/ 







\ \ 

 \ \ 

 \ \ 



\ 

 \^ 







53 











' / ' 



' // 

 ' /• 



' // 



/ 



k 

 • 







\ 1 









5^ 













/ 



/ 















63 











h 



/ 









\\ \ \ 







52 





















\\ \ 



. 



\ 





57 











/./ / 











\\ \ 

 \ \ '\ 



\ 





50 









ii 

 ii 

 1 1 













\ 



X 



• 













1 1 



/''•' 

 / ' / 



i 

 1 











\ 1 

 \ 1 



i \ 





^8 









i ' • 



1 











\ 1 

 1 1 



n 





7-7 









i' 1 



I'll 













\ \ 

 \\ 



-i ' 



\ 



^-6 



V- 







JiU— 





Mew 



t temj. 





re 



— V 



\ 



\ 



-\ 



7-5 



y- 

 \ 







r 





of 



le Aif 









' \ 

 \ \ 









? 



\ 



..y i 





Mea 



n te/ri^ 



f^raM 



ire o) 



''the 



■ t ■ \ 



I \ \ 





7^3 



• 



\ 





71 

 ii 







Soil , 



2l9a, 



m aZ^ 



^foot 



d^ep. 





\ 

 \ 



72 



\ 



\ 





'I 







Mea/^ 



temp 



eratuj 



•e of . 



'he 



-Lk — 



\ 



\ 

 • 



77 



\ 



'\ 



' '/ 







Soil 



al9c 



im. ai 



2 fee 



^.d£ep 



\ \ 

 \ \ 



I \ 





7-0 



\ 



A 7^ 



/ 



V 



// 

 / 1 

 / / 

 ' i 





X )f 3< 





I teTTif, 



eraliL 



"■e of 



the 



I \ 





39 



\ 



\ 



\ 



\ 



1 



/ r 

 / / 







Soil 



ai 9i 



im a 



tffei 



I cTe^ 



7 ^ 



\ 



\ 



38 





1 



\ » 























37 



























36 



























Fig. 339. 



