BETTLES, ALASKA
NORMALS, MEANS, AND EXTREMES

LATITUDE: 66 Deg. 55 Min. N LONGITUDE: 151 Deg. 31 Min. W ELEVATION: FT. GRND 644 BARO 651 TIME ZONE: ALASKA WBAN: 26533

(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






45

45



-4.9
-20.4
-12.7

48
1980
-70
1975


0.3
-18.3
-9.0

40
1977
-61
1993


14.4
-8.6
2.9

45
1994
-56
1964


31.5
9.7
20.7

63
1995
-37
1986


52.9
33.5
43.2

86
1983
-10
1952


67.5
47.0
57.2

92
1969
27
1960


69.6
49.2
59.4

93
1986
29
1955


62.7
43.8
53.3

98
1994
22
1974


49.0
32.4
40.8

79
1957
0
1992


24.9
12.1
18.5

53
1969
-35
1992


5.1
-8.8
-1.8

45
1976
-57
1974


-1.8
-16.7
-9.3

38
1960
-59
1974


30.9
12.9
21.9

93
JUL 1986
-70
JAN 1975
NORMAL DEGREE DAYS
Heating (base 65 Deg. F)
Cooling (base 65 Deg. F)




2409
0

2072
0

1925
0

1329
0

676
0

238
0

192
18

373
11

726
0

1442
0

2004
0

2303
0

15689
29
% OF POSSIBLE SUNSHINE














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

5


5
5
5

36

27
23

23


43
43

43
43

4.7


14.8
5.2
11.0

7.5

3.6
0.0

0.7


0.0
30.2

31.0
25.4

5.8


9.8
4.2
14.0

6.7

3.0
0.0

0.2


0.0
27.9

28.3
23.2

6.1


9.4
5.4
16.2

7.7

3.6
0.0

0.2


0.0
28.1

30.9
21.6

6.0


7.2
9.8
13.0

5.3

1.6
0.0

0.3


0.0
14.2

28.9
8.3

6.2


6.8
11.0
13.2

6.6

0.4
0.6

0.3


1.3
0.5

13.1
0.3

6.6


3.8
13.4
12.8

10.0

0.0
2.6

0.1


12.7
0.0

0.3
0.0

7.6


2.0
9.8
19.2

11.0

0.0
3.1

0.6


15.8
0.0

0.1
0.0

8.0


2.2
8.2
20.6

13.5

0.*
0.5

1.3


5.4
0.0

2.1
0.0

6.7


6.6
7.0
16.4

11.3

0.8
0.1

0.9


0.4
1.0

15.0
0.1

7.6


4.6
5.8
20.6

11.4

4.7
0.0

0.8


0.0
21.9

29.5
6.9

6.0


9.4
6.2
14.4

9.9

4.4
0.0

0.4


0.0
29.3

30.0
20.5

6.4


9.0
6.6
15.4

10.1

5.6
0.0

0.3


0.0
30.8

31.0
24.9

6.5


85.6
92.6
186.8

111.0

27.6
6.8

6.0


35.6
183.8

240.0
131.1
AV. STATION PRES. (mb)
15
998.0
992.0
989.1
986.6
986.7
986.8
989.0
988.1
986.5
984.7
987.8
987.3
987.7
RELATIVE HUMIDITY (%)
Hour 04
Hour 10 (Local Time)
Hour 16
Hour 22

46
48
49
46

69
68
67
68

67
66
63
66

68
67
61
67

73
67
60
67

75
63
51
57

78
62
48
55

85
70
54
63

89
80
62
75

94
80
63
77

80
79
73
79

74
73
73
73

71
71
71
71

76
71
62
68
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



45

45

45


45

45



0.69
3.42
1973
T
1961
1.40
1973

55.8
1973
21.7
1973


0.64
2.94
1964
T
1979
0.86
1989

32.8
1989
9.4
1989


0.68
3.60
1963
T
1960
0.87
1963

35.2
1991
10.6
1991


0.64
1.89
1.5
0.01
1986
0.98
1982

34.7
1984
10.8
1975


0.61
2.23
1991
0.04
1959
1.02
1995

12.0
1952
6.7
1952


1.44
3.59
1965
T
1959
1.93
1958

T
1974
T
1987


1.94
5.42
1963
0.00
1959
1.46
1970

0.0

0.0



2.38
9.16
1994
0.41
1958
2.96
1994

2.6
1969
2.6
1969


1.72
4.72
1993
0.13
1984
1.31
1954

9.4
1968
5.6
1972


1.20
3.82
1972
0.12
1974
1.32
1972

28.3
1972
10.8
1976


0.90
3.85
1967
0.02
1995
1.35
1992

41.6
1967
19.0
1994


0.90
3.09
1992
0.12
1995
0.78
1992

40.2
1987
11.1
1984


13.74
9.16
AUG 1994
0.00
JUL 1959
2.96
AUG 1994

55.8
JAN 1973
21.7
JAN 1973
WIND
Mean Speed (mph)
Prevailing Direction
through 1964
Fastest Mile
-Direction(!!)
-Speed(mph)
-Year
Peak Gust
-Direction(!!)
-Speed(mph)
-Date

20



6







6.1

NNW

11
30
1970





6.4

NNW

08
25
1970





7.1

NNW

08
29
1971





7.5

NNW

36
26
1972





7.5

NNW

11
31
1970





7.1

NNW

01
28
1970





6.7

SSE

24
28
1973





6.3

SSE

25
32
1975





6.7

NNW

24
25
1975





6.6

NNW

24
25
1970





6.0

NNW

26
38
1970





5.8

NNW

24
40
1970





6.7

NNW

24
40
DEC 1970




(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.