SHEMYA USAF BASE, ALASKA

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(508419)

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 199503
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.
YEAR(S) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
1949 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 44.57 39.06 32.90 29.10 36.41
1950 33.77 31.61 29.65 32.03 35.26 40.13 44.48 48.29 44.37 38.97 34.13 31.81 37.04
1951 30.13 30.07 30.10 31.73 36.23 a 40.27 43.19 47.42 45.77 41.10 35.00 30.77 36.82
1952 29.48 27.62 29.19 32.13 36.74 39.10 44.13 47.65 46.13 41.00 31.63 28.13 36.08
1953 28.55 25.75 29.06 32.03 34.23 38.53 44.03 46.19 45.17 38.48 33.37 28.26 35.30
1954 28.48 29.36 29.00 33.20 35.35 38.60 ----- z ----- z ----- z ----- z ----- z ----- z 32.33
1955 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1956 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1957 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1958 ----- z ----- z ----- z ----- z ----- z ----- z 42.06 ----- z 45.97 40.29 31.83 29.71 37.97
1959 32.26 26.86 31.39 33.70 36.58 39.80 44.94 49.29 45.13 39.10 32.00 26.10 36.43
1960 27.58 25.66 31.29 30.60 34.71 38.87 44.35 47.42 45.03 37.35 29.13 26.84 34.90
1961 28.48 28.86 27.97 33.30 35.52 38.87 42.06 45.77 45.53 39.26 31.60 30.48 35.64
1962 30.35 28.96 29.74 34.33 36.90 40.40 45.71 46.13 43.63 37.48 30.73 31.23 36.30
1963 31.94 30.36 30.74 31.87 36.84 38.97 44.06 44.29 45.13 38.81 34.73 30.16 36.49
1964 26.79 b 24.72 29.94 30.83 35.26 40.30 42.06 44.55 42.13 37.42 31.20 32.03 34.77
1965 28.13 30.25 30.19 33.17 36.39 39.47 44.32 46.87 43.60 37.74 31.03 29.87 35.92
1966 28.03 25.64 27.77 29.87 34.00 37.53 41.32 44.94 43.43 35.52 32.37 29.42 34.15
1967 27.03 25.57 29.52 31.13 36.03 38.97 43.90 47.06 41.80 37.23 31.70 29.42 34.95
1968 30.32 26.72 28.48 29.83 35.03 39.10 43.10 45.10 43.00 35.87 29.83 29.23 34.63
1969 28.26 26.46 28.71 31.10 34.55 39.23 44.52 47.81 45.60 37.00 31.57 25.00 34.98
1970 29.10 27.14 27.65 32.57 35.77 39.53 42.58 45.45 45.17 38.68 34.53 29.03 35.60
1971 28.55 25.61 27.32 31.23 33.10 38.97 42.26 44.39 43.63 37.65 33.17 28.97 34.57
1972 27.97 31.31 29.71 33.67 35.13 40.77 44.10 46.90 44.87 38.35 29.13 31.19 36.09
1973 26.16 25.79 30.00 30.92 d ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 28.22
1974 ----- z ----- z ----- z ----- z 36.81 41.67 45.77 47.23 46.47 39.71 33.87 25.00 39.56
1975 25.52 24.79 24.26 31.43 34.65 38.57 43.94 46.97 45.43 38.71 33.57 30.23 34.84
1976 30.68 27.52 26.19 30.33 35.06 39.10 43.42 45.39 43.17 38.77 32.73 27.97 35.03
1977 28.65 24.50 24.16 31.53 35.61 41.73 46.00 50.13 48.40 37.94 ----- z ----- z 36.87
1978 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 48.06 44.83 39.61 36.07 30.42 39.80
1979 27.74 30.86 30.42 31.97 36.42 40.37 44.13 47.29 44.47 37.42 30.77 29.84 35.97
1980 28.55 25.10 28.81 30.10 36.48 37.20 44.16 47.42 45.83 35.45 31.60 31.23 35.16
1981 22.55 27.96 26.35 33.23 36.61 39.37 47.06 50.19 46.20 41.61 34.00 30.23 36.28
1982 27.77 32.07 31.52 33.97 37.26 40.07 43.94 46.45 43.27 39.84 34.10 27.13 36.45
1983 27.06 29.14 30.90 32.47 35.68 40.07 44.58 47.77 44.80 40.87 32.57 32.48 36.53
1984 27.32 27.97 30.19 33.30 37.68 40.57 45.42 47.74 46.33 41.90 a 33.93 28.84 36.77
1985 29.71 29.54 26.61 32.17 34.10 39.47 43.48 45.71 45.17 42.58 37.13 31.06 36.39
1986 29.03 30.29 31.87 34.27 36.61 40.93 46.13 49.90 48.03 41.90 35.83 30.68 37.96
1987 26.84 28.57 31.68 32.33 35.97 39.87 43.61 45.55 44.33 39.71 33.43 28.45 35.86
1988 25.87 26.76 27.58 29.77 35.23 40.23 44.90 47.42 48.17 41.68 33.37 30.06 35.92
1989 27.23 30.04 31.94 34.00 37.32 40.80 45.58 ----- z 46.13 42.35 34.97 33.58 36.72
1990 28.52 26.93 31.61 34.70 37.74 41.53 46.16 48.52 43.93 41.06 37.80 34.97 37.79
1991 31.32 30.14 31.00 33.77 37.29 42.80 45.39 46.90 46.53 42.90 36.67 29.07 a 37.82
1992 27.00 30.34 28.81 ----- z ----- z 41.10 ----- z ----- z ----- z ----- z 31.27 29.90 31.40
1993 ----- z 32.25 ----- z 30.97 36.55 41.40 45.77 48.29 45.10 40.42 33.27 27.13 38.11
1994 29.13 31.86 27.55 32.47 35.35 40.13 43.84 ----- z 44.77 39.48 35.30 27.45 35.21
1995 25.52 28.96 31.97 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 28.82
Period of Record Statistics
MEAN 28.39 28.25 29.25 32.16 35.84 39.86 44.22 47.01 45.03 39.26 33.10 29.56 35.92
S.D. 2.07 2.30 2.01 1.39 1.10 1.16 1.32 1.55 1.47 1.94 2.07 2.08 0.98
SKEW 0.08 0.04 -0.73 0.00 -0.32 0.12 -0.14 0.17 0.17 0.00 0.21 -0.01 0.25
MAX 33.77 32.25 31.97 34.70 37.74 42.80 47.06 50.19 48.40 42.90 37.80 34.97 37.96
MIN 22.55 24.50 24.16 29.77 33.10 37.20 41.32 44.29 41.80 35.45 29.13 25.00 34.15
NO YRS 39 40 39 38 38 39 38 36 40 40 40 40 32