Island in Alaska, United States
A raft of Steller sea lions off the coast of Middleton Island, 1978Middleton Island is a small, uninhabited island in the U.S. state of Alaska, located in the Pacific Ocean approximately 80 miles (130 km) southwest of Cordova.[1] The island was briefly home to Middleton Island Air Force Station, an early warning radar station, from 1958 until the station's closure in 1963.[2][3] During the 1964 Alaska earthquake the island was raised an additional 12 feet (3.7 m) above sea level.[4] The island now hosts the unattended Middleton Island Airport and a NEXRAD weather radar.[5][6][7]
Climate
Middleton Island has a subpolar oceanic climate (Köppen: Cfc).
| Climate data for Middleton Island, Alaska
|
| Month
|
Jan
|
Feb
|
Mar
|
Apr
|
May
|
Jun
|
Jul
|
Aug
|
Sep
|
Oct
|
Nov
|
Dec
|
Year
|
| Record high °F (°C)
|
46
(8)
|
46
(8)
|
47
(8)
|
51
(11)
|
63
(17)
|
67
(19)
|
70
(21)
|
72
(22)
|
62
(17)
|
59
(15)
|
53
(12)
|
46
(8)
|
72
(22)
|
| Mean maximum °F (°C)
|
43.0
(6.1)
|
42.2
(5.7)
|
43.7
(6.5)
|
47.4
(8.6)
|
53.7
(12.1)
|
58.6
(14.8)
|
63.0
(17.2)
|
63.5
(17.5)
|
59.1
(15.1)
|
52.8
(11.6)
|
47.3
(8.5)
|
43.2
(6.2)
|
65.4
(18.6)
|
| Mean daily maximum °F (°C)
|
36.2
(2.3)
|
36.2
(2.3)
|
37.9
(3.3)
|
42.1
(5.6)
|
46.2
(7.9)
|
51.4
(10.8)
|
56.4
(13.6)
|
57.8
(14.3)
|
54.5
(12.5)
|
47.3
(8.5)
|
42.1
(5.6)
|
37.6
(3.1)
|
45.5
(7.5)
|
| Daily mean °F (°C)
|
33.3
(0.7)
|
33.3
(0.7)
|
34.9
(1.6)
|
38.5
(3.6)
|
42.9
(6.1)
|
47.9
(8.8)
|
52.8
(11.6)
|
54.4
(12.4)
|
51.1
(10.6)
|
44.1
(6.7)
|
39.3
(4.1)
|
34.6
(1.4)
|
42.2
(5.7)
|
| Mean daily minimum °F (°C)
|
30.4
(−0.9)
|
30.3
(−0.9)
|
31.9
(−0.1)
|
34.9
(1.6)
|
39.5
(4.2)
|
44.3
(6.8)
|
49.2
(9.6)
|
51.0
(10.6)
|
47.7
(8.7)
|
40.9
(4.9)
|
36.5
(2.5)
|
31.6
(−0.2)
|
39.0
(3.9)
|
| Mean minimum °F (°C)
|
19.6
(−6.9)
|
20.9
(−6.2)
|
22.9
(−5.1)
|
27.9
(−2.3)
|
34.5
(1.4)
|
40.3
(4.6)
|
45.1
(7.3)
|
46.3
(7.9)
|
41.7
(5.4)
|
34.1
(1.2)
|
27.9
(−2.3)
|
22.2
(−5.4)
|
14.5
(−9.7)
|
| Record low °F (°C)
|
9
(−13)
|
6
(−14)
|
13
(−11)
|
14
(−10)
|
23
(−5)
|
36
(2)
|
42
(6)
|
42
(6)
|
36
(2)
|
29
(−2)
|
13
(−11)
|
12
(−11)
|
6
(−14)
|
| Average precipitation inches (mm)
|
4.14
(105)
|
3.40
(86)
|
3.01
(76)
|
3.39
(86)
|
3.34
(85)
|
2.22
(56)
|
3.13
(80)
|
5.18
(132)
|
6.83
(173)
|
7.35
(187)
|
5.96
(151)
|
5.17
(131)
|
53.12
(1,349)
|
| Average snowfall inches (cm)
|
6.8
(17)
|
6.5
(17)
|
6.0
(15)
|
2.7
(6.9)
|
0.1
(0.25)
|
0.0
(0.0)
|
0.0
(0.0)
|
0.0
(0.0)
|
0.0
(0.0)
|
0.8
(2.0)
|
2.0
(5.1)
|
7.5
(19)
|
32.4
(82)
|
| Source: WRCC[8]
|
