SHEMYA USAF BASE, ALASKA

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(508419)

File last updated on Jun 7, 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 40.00 34.00 25.00 18.00 18.00
1950 26.00 27.00 22.00 26.00 30.00 36.00 41.00 46.00 39.00 35.00 24.00 20.00 20.00
1951 22.00 24.00 22.00 27.00 32.00 a 38.00 39.00 44.00 42.00 37.00 29.00 25.00 22.00
1952 23.00 20.00 22.00 27.00 34.00 35.00 39.00 45.00 44.00 32.00 23.00 21.00 20.00
1953 21.00 21.00 22.00 26.00 30.00 33.00 39.00 42.00 42.00 29.00 29.00 20.00 20.00
1954 22.00 23.00 20.00 31.00 28.00 30.00 ----- z ----- z ----- z ----- z ----- z ----- z 20.00
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 40.00 ----- z 38.00 30.00 24.00 23.00 23.00
1959 27.00 19.00 26.00 28.00 33.00 36.00 40.00 45.00 38.00 33.00 23.00 18.00 18.00
1960 19.00 19.00 25.00 25.00 31.00 36.00 40.00 43.00 38.00 26.00 24.00 21.00 19.00
1961 24.00 22.00 22.00 28.00 34.00 33.00 39.00 42.00 42.00 33.00 27.00 19.00 19.00
1962 24.00 21.00 26.00 27.00 33.00 38.00 42.00 44.00 37.00 28.00 22.00 23.00 21.00
1963 24.00 21.00 23.00 25.00 33.00 35.00 41.00 38.00 40.00 33.00 30.00 26.00 21.00
1964 16.00 b 18.00 23.00 27.00 28.00 36.00 39.00 42.00 37.00 31.00 22.00 24.00 16.00
1965 20.00 25.00 23.00 28.00 31.00 35.00 42.00 44.00 39.00 31.00 24.00 23.00 20.00
1966 18.00 17.00 19.00 23.00 30.00 33.00 37.00 42.00 38.00 30.00 26.00 21.00 17.00
1967 19.00 17.00 22.00 26.00 32.00 35.00 41.00 44.00 34.00 29.00 27.00 23.00 17.00
1968 22.00 21.00 21.00 25.00 32.00 36.00 40.00 41.00 35.00 26.00 23.00 21.00 21.00
1969 18.00 21.00 22.00 23.00 30.00 36.00 42.00 45.00 38.00 33.00 18.00 18.00 18.00
1970 13.00 14.00 12.00 27.00 33.00 36.00 40.00 40.00 33.00 30.00 29.00 15.00 12.00
1971 19.00 7.00 11.00 26.00 27.00 27.00 40.00 41.00 36.00 30.00 16.00 15.00 7.00
1972 22.00 16.00 17.00 29.00 25.00 35.00 42.00 44.00 35.00 34.00 15.00 18.00 15.00
1973 10.00 16.00 21.00 20.00 d ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 10.00
1974 ----- z ----- z ----- z ----- z 28.00 39.00 44.00 45.00 43.00 31.00 29.00 10.00 10.00
1975 9.00 12.00 16.00 22.00 31.00 29.00 39.00 46.00 38.00 31.00 26.00 11.00 9.00
1976 19.00 20.00 17.00 18.00 27.00 37.00 41.00 42.00 35.00 30.00 25.00 7.00 7.00
1977 15.00 12.00 15.00 21.00 27.00 40.00 43.00 40.00 39.00 29.00 ----- z ----- z 12.00
1978 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 45.00 36.00 32.00 29.00 24.00 24.00
1979 20.00 21.00 17.00 26.00 27.00 37.00 40.00 41.00 35.00 33.00 22.00 20.00 17.00
1980 13.00 14.00 20.00 21.00 33.00 34.00 36.00 45.00 39.00 31.00 24.00 23.00 13.00
1981 9.00 12.00 17.00 27.00 32.00 34.00 45.00 40.00 37.00 28.00 22.00 21.00 9.00
1982 17.00 19.00 22.00 24.00 34.00 38.00 38.00 45.00 35.00 33.00 25.00 15.00 15.00
1983 13.00 20.00 22.00 25.00 33.00 37.00 42.00 45.00 39.00 32.00 21.00 26.00 13.00
1984 18.00 14.00 22.00 27.00 35.00 38.00 40.00 40.00 36.00 36.00 a 26.00 23.00 14.00
1985 20.00 23.00 19.00 22.00 24.00 37.00 41.00 44.00 38.00 31.00 32.00 26.00 19.00
1986 24.00 20.00 25.00 30.00 31.00 36.00 40.00 46.00 42.00 36.00 27.00 24.00 20.00
1987 21.00 21.00 25.00 27.00 33.00 36.00 41.00 43.00 38.00 34.00 27.00 20.00 20.00
1988 20.00 19.00 22.00 2.00 32.00 36.00 42.00 45.00 44.00 35.00 26.00 25.00 2.00
1989 20.00 25.00 27.00 26.00 35.00 38.00 41.00 ----- z 40.00 38.00 28.00 25.00 20.00
1990 20.00 18.00 27.00 32.00 35.00 39.00 41.00 46.00 37.00 35.00 28.00 29.00 18.00
1991 22.00 23.00 27.00 28.00 35.00 36.00 42.00 40.00 41.00 38.00 28.00 24.00 a 22.00
1992 18.00 24.00 24.00 ----- z ----- z 38.00 ----- z ----- z ----- z ----- z 19.00 21.00 18.00
1993 ----- z 26.00 ----- z 23.00 31.00 38.00 40.00 44.00 38.00 33.00 24.00 21.00 21.00
1994 22.00 25.00 19.00 28.00 29.00 36.00 38.00 ----- z 40.00 33.00 30.00 12.00 12.00
1995 19.00 17.00 25.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 17.00
Period of Record Statistics
MEAN 19.18 19.35 21.26 25.08 31.00 35.69 40.45 43.17 38.38 32.08 24.95 20.48 16.28
S.D. 4.35 4.39 3.88 4.86 2.89 2.66 1.78 2.17 2.71 2.92 3.80 4.77 5.01
SKEW -0.74 -0.60 -0.72 -2.88 -0.58 -1.37 0.03 -0.52 0.26 0.04 -0.65 -0.94 -1.14
MAX 27.00 27.00 27.00 32.00 35.00 40.00 45.00 46.00 44.00 38.00 32.00 29.00 22.00
MIN 9.00 7.00 11.00 2.00 24.00 27.00 36.00 38.00 33.00 26.00 15.00 7.00 2.00
NO YRS 39 40 39 38 38 39 38 36 40 40 40 40 32