ANCHORAGE, ALASKA
NORMALS, MEANS, AND EXTREMES

LATITUDE: 61' 13' N LONGITUDE:149' 53' W ELEVATION: FT. GRND 114 BARO 157 TIME ZONE: ALASKA WBAN: 26451

(a)
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
YEAR
TEMPERATURE (Deg. F)
Normals
-Daily Maximum
-Daily Minimum
-Monthly
Extremes
-Record Highest
-Year
-Record Lowest
-Year






42

42



21.4
8.4
14.9

50
1961
-34
1975


25.8
11.5
18.7

48
1991
-26
1956


33.1
18.1
25.7

5.1
1984
-24
1971


42.8
28.6
35.8

65
1976
-4
1985


54.4
38.8
46.6

77
1969
17
1964


61.6
47.2
54.4

85
1969
33
1961


65.2
51.7
58.4

82
1989
38
1964


63.0
49.5
56.3

82
1978
31
1984


55.2
41.6
48.4

73
1957
19
1992


40.5
28.7
34.6

6.1
1993
-5
1956


27.2
15.1
21.2

53
1979
-21
1956


22.5
10.0
16.3

48
1992
-30
1964


42.7
29.1
35.9

85
JUN 1969
-34
JAN 1975
NORMAL DEGREE DAYS
Heating (base 65 Deg. F)
Cooling (base 65 Deg. F)




1553
0

1296
0

1218
0

876
0

570
0

318
0

205
0

70
0

498
0

942
0

1314
0

1510
0

10570
0
% OF POSSIBLE SUNSHINE
40
34
42
50
50
50
46
43
39
39
36
32
27
41
MEAN SKY COVER(tenths)
Sunrise - Sunset
MEAN NUMBER OF DAYS:
Sunrise to Sunset
-Clear
-Partly Cloudy
-Cloudy
Precipitation
.01 inches or more
Snow, Ice Pellets, Hail
1.0 inches or more
Thunderstorms
Heavy Fog Visibility
1/4 mile or less
Temperature Deg. F
-Maximum
70 Deg. F and above
32 Deg. F and below
-Minimum
32 Deg. F and below
0 Deg. F and below

42


42
42
42

31

31
42

42


31
31

31
31

7.1


7.0
4.6
19.4

7.8

2.8
0.0

6.0


0.0
24.7

30.5
9.5

7.0


6.7
3.6
18.0

7.8

3.1
0.0

4.4


0.0
19.7

27.2
7.2

6.7


7.6
5.4
17.9

7.4

2.7
0.0

1.5


0.0
11.7

28.3
2.3

7.2


5.6
6.1
18.3

6.0

1.5
0.0

0.7


0.0
2.0

20.3
0.*

7.7


4.0
6.5
20.6

7.2

0.0
0.1

0.3


0.5
0.0

2.7
0.0

7.9


2.7
6.9
20.4

7.9

0.0
0.1

0.1


3.3
0.0

0.0
0.0

7.9


3.4
5.8
21.8

11.5

0.0
0.4

0.2


6.5
0.0

0.0
0.0

7.9


3.3
6.1
21.6

13.4

0.0
0.2

0.9


3.4
0.0

0.1
0.0

7.9


3.7
5.4
20.9

14.5

0.2
0.1

1.3


0.1
0.0

3.2
0.0

7.7


5.0
4.6
21.3

12.2

2.3
0.0

2.1


0.0
4.6

19.8
0.1

7.3


5.7
4.7
19.6

9.6

3.5
0.0

3.7


0.0
20.8

28.2
3.2

7.5


5.8
4.0
21.2

11.0

4.6
0.0

5.0


0.0
24.5

30.2
7.2

7.5


60.5
63.7
241.0

116.3

20.8
1.0

26.2


13.9
108.1

190.5
29.5
AV. STATION PRES. (mb)
23
1000.1
1002.0
1001.6
1003.9
1005.8
1008.0
1010.0
1008.3
1003.9
998.8
998.8
999.1
1003.4
RELATIVE HUMIDITY (%)
Hour 04
Hour 10 (Local Time)
Hour 16
Hour 22

42
42
42
42

74
74
72
73

73
73
67
71

71
70
57
68

72
66
53
64

72
63
49
59

75
67
56
62

80
73
62
69

82
77
64
75

82
80
64
77

77
78
66
76

78
77
73
77

76
77
76
77

76
73
63
71
PRECIPITATION (in.)
Water Equivalent
-Normal
-Maximum Monthly
-Year
-Minimum Monthly
-Year
-Maximum in 24 hrs
-Year
Snow, Ice Pellets, Hail
-Maximum Monthly
-Year
-Maximum in 24 hrs
-Year



42

42

42


42

42



0.79
2.71
1987
0.02
1982
1.19
1961

27.5
1990
10.5
1955


0.7
3.07
1955
0.07
1958
1.16
1956

48.5
1955
12.4
1956


0.69
2.76
1979
T
1983
1.25
1986

31.0
1979
14.5
1959


0.67
1.91
1977
T
1969
0.78
1989

27.6
1963
9.1
1955


0.73
1.93
1989
0.02
1957
1.18
1980

3.9
1963
3.9
1963


1.14
3.40
1962
0.17
1993
1.84
1962

0.0

0.0



1.71
4.44
1958
0.42
1.72
2.06
1956

0.0

0.0



2.44
9.77
1989
0.33
1969
4.12
1989

0.0

0.0



2.70
6.64
1990
0.76
1973
1.92
1961

4.6
1965
3.5
1965


2.03
4.11
1986
0.35
1960
1.60
1986

27.1
1982
11.2
1991


1.11
2.84
1976
0.08
1985
1.66
1964

38.8
1994
16.4
1964


1.12
2.67
1955
0.09
1995
1.62
1955

41.6
1955
17.7
1955


15.91
9.77
AUG 1989
T
MAR 1983
4.12
AUG 1989

48.5
FEB 1955
17.7
DEC 1955
WIND
Mean Speed (mph)
Prevailing Direction
through 1964
Fastest Mile
-Direction(!!)
-Speed(mph)
-Year
Peak Gust
-Direction(!!)
-Speed(mph)
-Date

42



38



16
16


6.4

NNE

03
61
1971

E
64
1986

6.9

N

04
52
1979

NE
61
1994

7.0

N

03
51
1989

NE
75
1989

73

N

15
35
1964

SE
43
1987

8.4

S

35
33
1964

S
43
1988

8.4

S

17
30
1971

SE
46
1985

7.3

S

16
29
1957

SE
40
1980

6.9

S

02
31
1987

N
44
1987

6.7

NNE

22
35
1993

S
48
1985

6.7

N

03
40
1966

S
55
1987

6.5

NNE

04
41
1978

NE
55
1990

6.3

NNE

05
41
1964

SE
55
1992

7.1

N

03
61
JAN 1971

NE
75
MAR 1989
(a) - Length of Record in Years, although individual months may be missing.
0.* or * - The value is between 0.0 and 0.05.
Normals - Based on the 1961 - 1990 record period.
Extremes - Dates are the most recent occurrence.
Wind Dir.- Numerals show tens of degrees clockwise from true north. "00" indicates calm.
Resultant Directions are given to whole degrees.