| Maximum Temperature |
| Minimum Temperature |
| Average Temperature |
| Precipitation |
| Snowfall |
| Snow Depth |
Period of record - 1937 - present
Observation site - Big Delta / Allen Army Air Field
Location - 64°00'N / 145°43'W
000000001268 ft. above sea level
000000001268 ft. above sea level
| Element |
JAN
|
FEB
|
MAR
|
APR
|
MAY
|
JUN
|
JUL
|
AUG
|
SEP
|
OCT
|
NOV
|
DEC
|
ANNUAL
|
| Mean Temperature (°F) |
-3.2
|
3.3
|
13.0
|
30.9
|
46.9
|
57.3
|
60.0
|
55.2
|
43.8
|
25.0
|
7.0
|
-1.8
|
28.1
|
| Mean Maximum Temperature (°F) |
4.1
|
12.1
|
24.2
|
41.2
|
57.1
|
67.4
|
69.6
|
64.6
|
52.4
|
31.9
|
14.1
|
5.5
|
37.0
|
| Mean Minimum Temperature (°F) |
-10.7
|
-5.3
|
2.0
|
20.6
|
36.8
|
47.3
|
50.5
|
45.7
|
35.2
|
18.1
|
-0.1
|
-9.1
|
19.3
|
| Precipitation (in) |
0.32
|
0.32
|
0.25
|
0.25
|
0.85
|
2.21
|
2.65
|
1.96
|
1.10
|
0.63
|
0.48
|
0.38
|
11.40
|
| Snowfall (in) |
5.4
|
5.1
|
4.3
|
2.9
|
0.6
|
0
|
0
|
0
|
1.7
|
9.3
|
8.7
|
6.0
|
43.8
|
| Snow depth (in) |
8
|
10
|
9
|
4
|
T
|
0
|
0
|
0
|
T
|
2
|
5
|
7
|
4
|
