Valdez WSO, AK
Period of Record: 1964 - present
61°08'N / 146°21'W
23 ft. above sea level
Division HOME
Climate HOME
Normals (1971- 2000)
Element
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
ANNUAL
Mean Temperature (°F)
21.9
24.8
29.8
37.7
45.8
52.2
55.2
53.6
47.1
38.2
28.3
24.7
38.3
Mean Maximum Temperature (°F)
26.6
30.0
35.8
44.4
52.9
59.4
62.3
60.8
53.3
43.0
32.7
29.1
44.2
Mean Minimum Temperature (°F)
17.2
19.6
23.8
30.9
38.6
45.0
48.0
46.4
40.9
33.4
23.9
20.2
32.3
Mean Precipitation (in)
6.02
5.53
4.49
3.55
3.08
3.01
3.84
6.62
9.59
8.58
5.51
7.59
67.41
Mean
Snowfall (in)
61.4
53.1
45.7
17.5
2.2
0
0
0
0.2
9.6
35.0
60.7
285.4
Mean
Snow depth (in)
31
41
45
30
2
0
0
0
0
T
7
21
15
HDD
1336
1126
1091
821
596
383
306
353
537
832
1101
1251
9733
CDD
0
0
0
0
0
0
0
0
0
0
0
0
0
Temperature Extremes (1964 - 2004)
Element
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
ANNUAL
Highest Mean (°F)
33.5
31.9
35.1
41.8
50.1
56.7
58.7
57.8
49.9
42.6
37.8
31.0
40.8
Year
1981
1977
1984
1993
1993
2004
1993
2004
1968
2002
2002
1986
1997
Lowest Mean (°F)
10.4
15.5
20.7
28.8
41.6
48.5
42.8
50.3
43.3
34.0
21.7
13.7
35.4
Year
1966
1990
1972
1972
1972
1985
1978
1966
1992
1982
1985
1964
1966
Highest Daily Maximum (°F)
46
52
57
68
78
86
85
83
74
64
50
54
86
Date
8
1980
27
1991
25
1965
18
1965
29
1993
26
1997
2
1979
8
2003
4
1996
1
1967
21
1977
1
1966
26
1997
Lowest Daily Minimum (°F)
-20
-23
-6
5
19
31
33
32
25
8
1
-15
-23
Date
12
1972
4
1968
10
1972
20
1972
7
1967
2
1972
13
1972
29
1984
27
1983
31
1975
11
1989
14
1964
4
1968
Precipitation Extremes (1964 - 2004)
Element
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
ANNUAL
Highest Total (in)
15.18
14.47
9.99
8.11
6.65
6.05
8.96
18.23
16.69
15.43
20.59
17.34
93.30
Year
2001
1996
1979
1977
1998
1987
1981
1981
1982
1979
1976
1989
1981
Lowest Total (in)
0.09
0.57
0.81
0.57
0.70
0.12
0.19
0.34
0.71
0.32
0.42
1.34
34.83
Year
1969
1989
1983
1981
1996
1968
1968
1967
1967
1967
1975
1983
1967
Highest 1-Day Maximum (in)
2.79
3.05
1.85
2.04
1.40
1.30
1.84
3.17
3.19
3.28
3.93
4.06
4.06
Date
14
1981
10
1996
11
1981
19
2002
25
1964
21
1992
10
1981
15
1993
26
2004
10
1983
30
1976
22
1999
22
1999
Highest Total Snowfall (in)
148.5
180.0
113.9
71.4
10.7
0
0
0
6.0
39.0
108.2
137.1
445.8
Year
1990
1996
1985
1977
1998
1996
1983
1994
1991
1990
Highest 1-Day Maximum (in)
22.5
26.5
16.0
14.0
8.0
0
0
0
2.0
35.0
26.0
30.0
35.0
Date
8
1954
28
1957
23
1964
14
1953
5
1952
29
1956
27
1956
14
1956
28
1955
27 Oct
1956
Threshold Counts (1971 - 2000)
Element
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
ANNUAL
Maximum Temperature
>= 80°F
0
0
0
0
0
0
0
0
0
0
0
0
1
Maximum Temperature
>= 32°F
13
16
26
29
31
30
31
31
30
30
19
15
301
Minimum Temperature
<= 32°F
30
27
29
17
1
0
0
0
1
12
27
30
173
Minimum Temperature
<= 0°F
1
1
0
0
0
0
0
0
0
0
0
1
3
Precipitation
>=0.01"
10
13
10
10
12
12
15
16
18
16
13
13
158
Precipitation
>=0.10"
8
11
7
9
8
8
11
13
14
13
11
11
122
Precipitation
>=0.50"
3
4
3
2
2
2
4
4
7
5
4
4
44
Precipitation
>=1.00"
1
2
1
1
1
0
1
2
3
2
2
1
16