1844 
1845 
1846 
1847 
1848 
1849 
1850 
1851 
1852 
1853 
1854 




verage for 
13 years— 
1842 to’54. 


—5'08 
—1:92 
+ ‘76 
=) 62 
= 9169 

—2-48 
+ +42 
+ ‘63 
— 5236 
— 2122 
OBSERVATIONS OF UNDERGROUND TEMPERATURE. 
| 
to 
oS 
ns 
| 
I 
bo 
— 
or 
1+ | 
4+ 
— 
co 
[ae Bees | 
| 
& 
+I 
j=) 
| 

| 
On 
oo 
paar 
[++] 
l 
to 
— 
Or 
Peit+++! 
I 
aS) 
So 
[=p] 
| 

—4°835 |+ ° 
—4320 |-— - 
+ 5415 | —2°332 
+ 6231 \|— 


0200 



— 
-~J 
ae ae 

= \ 
[oe) 
+++] +44 | 
woo 
Sao 
[++ 

S 
nse 
Pet) te eettttestst | 

bo 
o> 
Ptetett il ttel tts 
a 
bo 
| 
TABLE V. 
‘07 — 02 
‘91 + 1:28 
‘61 + °45 
‘08 — ‘05 
“02 SOIL 
‘70 a yal 
‘50 + °20 
05 + ‘ll 
‘02 ‘00 
‘56 + ‘67 
“30 ‘00 
06 — ‘01 
‘00 + ‘01 
1:05 — ‘86 
44 — 63 
S1N7/ — ‘14 
‘17 + 08 
‘24 — ‘18 
Bo, + ‘11 
2107 + +12 
04 + ‘01 
Di + :29 
D7] + 02 
‘16 — -0O1 
03 ‘00 
1:14 — ‘66 
“45 — +28 
04 + 04 
‘02 + ‘01 
7 {(0) — -°d4 
31 + ‘03 
“04 — :10 
‘038 + ‘01 
‘96 — ‘09 
03 — 18 
‘O01 — ‘04 
05 “00 
1:32 i+ :64 
Sia + 15 
‘05 + 01 
‘07 — -01 
*30 + cll 
‘41 — ‘05 
21 — -Ol 
‘03 ‘00 
03 ‘00 
‘O01 ‘00 
2) + 02 
02 -00 
‘687 = ||+ °150 
375 — ‘00615 
00923 |i— 1 °01846 


P++ ett rttti +t i 
| 
[++tt+++4 | 
ar || 

+ + 
}+{]++i 
l+t+t+ | 
[++] +++ 
| 
[++4++]4++ 


[+++ 
ce ee eal 


[++ +41 
415 
