IgIt. 
April 
May 
June 
July 
Aug. 
Sept. 
Oct. 
Nov. 
Bec. 
IQr2. 
Jan. 
POLEN TIAL 
Barometer, Inches. 
Mean. 
29°80 
29°02 
28°88 
28°86 
28°94 
28°90 
28°61 
20°49 
29°66 
29°36 
Max. 
29°80 
29°66 
29°54 
29°51 
29°46 
29°46 
29°66 
30°01 
30°14 
29°62 
Min. 
28°69 
28°02 
28°50 
28°24 
28°51 
28°04 
28°10 
29°08 
29°20 
29°01 
GRADIENT ‘TABLES 
FRAMHEIM 
Temperature, ° F. 
Mean. Max. 
FE fa ea 
See ie Be 
—29'5 | +12'9 
8 SEO ton A 
SS Se 
aod 5 tagES OS 
O10) | b5 6 
=i 1On | 2279 
Care ADARE 
Min. 
— 54°4 
Joe 
— 68°8 
Sie 
may ie 
— 63°4 
— 40°3 
—18'4 
— OQ hia siege 
= OME 27s Wp 
e 
CONTI AOA RNA 
NOWU ON HH : 
on 
Wn 
327 
Potential 
Gradient 
== 
~ 
Ze 
=a 
hee) 
5 
AO 
