WILSON CREEK, WASHINGTON

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(459327)

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 198006
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
1948 ----- z ----- z ----- z ----- z ----- z 47.00 40.00 d 40.00 c 27.00 b 16.00 a 16.00 -13.00 -13.00
1949 -21.00 -13.00 23.00 24.00 25.00 a 33.00 38.00 d 39.00 28.00 14.00 a 23.00 a -5.00 -21.00
1950 -30.00 -30.00 17.00 24.00 a 29.00 38.00 41.00 b 42.00 b 26.00 a 22.00 a 14.00 a -2.00 -30.00
1951 -2.00 6.00 b 1.00 a 21.00 a 26.00 34.00 40.00 41.00 b 28.00 c 22.00 a 14.00 c -7.00 -7.00
1952 -15.00 5.00 17.00 a 18.00 a 25.00 29.00 b 40.00 a 37.00 34.00 d 21.00 a 4.00 12.00 -15.00
1953 22.00 a 19.00 a 18.00 b 20.00 26.00 a 33.00 39.00 41.00 33.00 a 25.00 12.00 19.00 12.00
1954 -21.00 a 10.00 14.00 a 21.00 b 21.00 a 31.00 a 40.00 c 41.00 a 30.00 a 20.00 a 19.00 9.00 -21.00
1955 7.00 9.00 4.00 20.00 b 27.00 37.00 36.00 b 41.00 a 32.00 a 23.00 -6.00 3.00 a -6.00
1956 -4.00 -7.00 15.00 23.00 31.00 36.00 43.00 a 42.00 a 30.00 26.00 13.00 a -13.00 a -13.00
1957 -25.00 -13.00 b 26.00 f 31.00 40.00 a 38.00 b 43.00 42.00 c 29.00 b 29.00 17.00 18.00 -25.00
1958 15.00 24.00 19.00 30.00 31.00 b 39.00 45.00 46.00 a 25.00 21.00 7.00 14.00 7.00
1959 -4.00 12.00 24.00 a 27.00 25.00 a 36.00 37.00 40.00 37.00 a 23.00 a 1.00 15.00 -4.00
1960 -12.00 7.00 a 8.00 a 25.00 30.00 36.00 a 46.00 33.00 a 33.00 21.00 a 17.00 a 7.00 -12.00
1961 5.00 21.00 22.00 22.00 a 28.00 a 39.00 43.00 46.00 b 30.00 a 16.00 a 4.00 -3.00 -3.00
1962 -9.00 7.00 a 13.00 24.00 26.00 b 30.00 38.00 40.00 b 31.00 27.00 17.00 a 11.00 -9.00
1963 -6.00 1.00 21.00 23.00 a 28.00 a 35.00 38.00 b 38.00 35.00 19.00 a 15.00 0.00 a -6.00
1964 14.00 17.00 17.00 b 19.00 25.00 36.00 a 42.00 38.00 a 29.00 19.00 19.00 -14.00 -14.00
1965 6.00 12.00 11.00 26.00 a 25.00 40.00 41.00 34.00 b 23.00 a 18.00 20.00 4.00 a 4.00
1966 1.00 16.00 19.00 18.00 a 30.00 35.00 43.00 37.00 39.00 23.00 a 21.00 15.00 1.00
1967 18.00 20.00 17.00 24.00 28.00 39.00 41.00 42.00 32.00 22.00 5.00 0.00 0.00
1968 6.00 16.00 20.00 16.00 27.00 a 35.00 f 42.00 43.00 a 30.00 25.00 21.00 a -17.00 -17.00
1969 -17.00 -7.00 19.00 27.00 32.00 41.00 42.00 37.00 31.00 a 20.00 12.00 17.00 -17.00
1970 -3.00 22.00 17.00 20.00 24.00 40.00 43.00 41.00 26.00 19.00 5.00 -6.00 -6.00
1971 1.00 14.00 14.00 21.00 30.00 37.00 35.00 35.00 c 27.00 11.00 13.00 -7.00 -7.00
1972 -12.00 -8.00 20.00 17.00 26.00 43.00 39.00 45.00 25.00 14.00 19.00 -12.00 -12.00
1973 -2.00 15.00 22.00 22.00 29.00 33.00 38.00 38.00 34.00 25.00 8.00 b 3.00 -2.00
1974 -14.00 22.00 17.00 26.00 26.00 36.00 38.00 41.00 30.00 21.00 21.00 5.00 -14.00
1975 1.00 7.00 17.00 19.00 27.00 37.00 46.00 42.00 35.00 21.00 7.00 -4.00 l -4.00
1976 6.00 7.00 13.00 25.00 29.00 30.00 40.00 40.00 32.00 22.00 3.00 9.00 3.00
1977 -3.00 15.00 21.00 22.00 25.00 35.00 37.00 38.00 27.00 d 21.00 3.00 ----- z -3.00
1978 -20.00 18.00 23.00 28.00 29.00 33.00 43.00 36.00 28.00 d ----- z ----- z -20.00 -20.00
1979 -20.00 -17.00 18.00 20.00 29.00 35.00 33.00 38.00 a 33.00 c 25.00 6.00 16.00 -20.00
1980 -7.00 12.00 22.00 25.00 33.00 33.00 c ----- z ----- z ----- z ----- z ----- z ----- z -7.00
Period of Record Statistics
MEAN -4.53 7.47 16.87 22.75 27.88 36.06 40.31 39.81 30.28 21.00 11.94 1.93 -6.27
S.D. 12.93 13.07 5.34 3.68 3.41 3.87 3.07 3.14 3.69 3.98 7.35 11.50 8.39
SKEW 0.06 -1.07 -1.28 0.28 1.25 0.51 -0.18 -0.07 0.24 -0.46 -0.43 -0.21 -0.04
MAX 22.00 24.00 24.00 31.00 40.00 47.00 46.00 46.00 39.00 29.00 23.00 19.00 7.00
MIN -30.00 -30.00 1.00 16.00 21.00 29.00 33.00 33.00 23.00 11.00 -6.00 -20.00 -20.00
NO YRS 32 32 31 32 32 32 32 32 32 31 31 30 15