STEVENS PASS, WASHINGTON

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(458089)

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 199404
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
1950 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 24.00 z 12.00 15.00 a 12.00
1951 -4.00 3.00 8.00 18.00 26.00 f 36.00 r 34.00 o 36.00 i 29.00 b 18.00 15.00 c -1.00 -4.00
1952 -4.00 7.00 12.00 14.00 21.00 h 28.00 33.00 a 36.00 e 31.00 d 31.00 b 10.00 b 16.00 -4.00
1953 21.00 16.00 a 7.00 b 15.00 f 27.00 i 31.00 j 36.00 b 38.00 b 30.00 a 27.00 b 19.00 b 20.00 b 7.00
1954 -6.00 a 10.00 b 7.00 b 15.00 c 17.00 e 29.00 t 35.00 f 34.00 d 28.00 f 26.00 e 16.00 e 12.00 c -6.00
1955 15.00 e 5.00 f -3.00 d 15.00 c 24.00 h 30.00 e 30.00 g 35.00 p 32.00 j 22.00 h -10.00 l ----- z -10.00
1956 -3.00 -9.00 5.00 15.00 g ----- z ----- z ----- z ----- z 34.00 f 23.00 g 10.00 -3.00 -9.00
1957 -8.00 5.00 a 17.00 24.00 34.00 32.00 37.00 37.00 33.00 23.00 16.00 17.00 -8.00
1958 14.00 17.00 15.00 26.00 28.00 38.00 40.00 42.00 a 28.00 28.00 6.00 14.00 6.00
1959 -11.00 11.00 15.00 21.00 18.00 34.00 36.00 a 36.00 a 32.00 n 26.00 -2.00 14.00 -11.00
1960 9.00 3.00 0.00 22.00 25.00 30.00 36.00 36.00 34.00 22.00 14.00 12.00 0.00
1961 8.00 16.00 9.00 12.00 28.00 34.00 38.00 42.00 30.00 24.00 10.00 4.00 4.00
1962 -12.00 -10.00 10.00 22.00 22.00 30.00 34.00 40.00 30.00 29.00 14.00 9.00 -12.00
1963 -9.00 9.00 16.00 17.00 24.00 36.00 36.00 40.00 35.00 22.00 15.00 11.00 -9.00
1964 17.00 15.00 16.00 13.00 21.00 33.00 38.00 36.00 32.00 27.00 14.00 -18.00 a -18.00
1965 10.00 12.00 8.00 24.00 25.00 32.00 40.00 33.00 32.00 27.00 19.00 10.00 8.00
1966 12.00 13.00 5.00 23.00 25.00 30.00 38.00 36.00 35.00 25.00 20.00 16.00 5.00
1967 17.00 14.00 10.00 17.00 29.00 34.00 40.00 39.00 36.00 24.00 11.00 4.00 4.00
1968 0.00 17.00 18.00 12.00 25.00 33.00 38.00 38.00 ----- z ----- z 18.00 o -25.00 d -25.00
1969 -22.00 10.00 13.00 20.00 27.00 41.00 40.00 31.00 a 34.00 ----- z 13.00 n 9.00 -22.00
1970 2.00 20.00 16.00 25.00 29.00 ----- z ----- z ----- z ----- z ----- z 2.00 l 10.00 2.00
1971 2.00 5.00 3.00 16.00 k ----- z ----- z ----- z ----- z ----- z ----- z 13.00 0.00 0.00
1972 -6.00 a 4.00 9.00 13.00 a ----- z ----- z ----- z ----- z ----- z ----- z 20.00 l -9.00 -9.00
1973 -2.00 14.00 18.00 23.00 a 25.00 30.00 36.00 c 33.00 e 32.00 27.00 c 13.00 c 16.00 a -2.00
1974 -2.00 16.00 a 4.00 19.00 22.00 31.00 c 37.00 40.00 d 29.00 b 24.00 19.00 11.00 -2.00
1975 1.00 8.00 9.00 12.00 23.00 30.00 b 38.00 36.00 e 35.00 21.00 b 4.00 8.00 1.00
1976 11.00 8.00 5.00 b 17.00 d 26.00 a 25.00 a 34.00 a 37.00 33.00 28.00 13.00 a 17.00 a 5.00
1977 5.00 a 15.00 17.00 21.00 a 26.00 31.00 36.00 b 35.00 b 32.00 b 26.00 g -1.00 b 8.00 a -1.00
1978 4.00 a 14.00 13.00 20.00 i 28.00 h 33.00 d 38.00 d 37.00 i 32.00 d 24.00 a 11.00 b -12.00 c -12.00
1979 -14.00 3.00 a 14.00 23.00 a 28.00 h 31.00 d 32.00 a 42.00 d 34.00 e 28.00 f 14.00 h 13.00 a -14.00
1980 -7.00 7.00 15.00 22.00 28.00 31.00 d 37.00 b 39.00 k 33.00 i 26.00 b 20.00 j 8.00 d -7.00
1981 16.00 1.00 18.00 17.00 a 25.00 k 32.00 32.00 d 40.00 e 31.00 b 27.00 c 17.00 e 10.00 1.00
1982 0.00 2.00 14.00 15.00 26.00 32.00 35.00 40.00 n 32.00 22.00 i 9.00 n 13.00 j 0.00
1983 14.00 17.00 25.00 23.00 28.00 35.00 37.00 o 42.00 28.00 i 28.00 15.00 k -22.00 -22.00
1984 3.00 17.00 20.00 20.00 26.00 29.00 36.00 33.00 29.00 14.00 12.00 -3.00 -3.00
1985 8.00 0.00 15.00 19.00 23.00 31.00 37.00 p 39.00 31.00 21.00 -6.00 -5.00 c -6.00
1986 ----- z 3.00 20.00 20.00 i 20.00 32.00 34.00 i 40.00 t 30.00 30.00 10.00 9.00 3.00
1987 8.00 13.00 18.00 23.00 28.00 31.00 38.00 36.00 32.00 k 30.00 18.00 3.00 3.00
1988 7.00 1.00 19.00 22.00 25.00 30.00 36.00 k 39.00 i 31.00 n 26.00 15.00 10.00 1.00
1989 10.00 -12.00 5.00 22.00 28.00 34.00 38.00 43.00 35.00 26.00 21.00 n 15.00 -12.00
1990 17.00 -1.00 20.00 27.00 29.00 33.00 39.00 r 40.00 40.00 24.00 16.00 o -12.00 -12.00
1991 6.00 23.00 17.00 22.00 29.00 31.00 42.00 i 40.00 37.00 j 10.00 15.00 j 18.00 6.00
1992 13.00 20.00 22.00 23.00 28.00 38.00 j 42.00 37.00 m 31.00 24.00 15.00 m 8.00 8.00
1993 1.00 7.00 17.00 25.00 30.00 35.00 41.00 r 35.00 31.00 j 32.00 4.00 l 10.00 i 1.00
1994 22.00 3.00 16.00 26.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 3.00
Period of Record Statistics
MEAN 3.79 8.53 12.66 19.85 25.67 32.06 36.86 37.58 32.24 24.88 11.90 5.78 -2.09
S.D. 10.19 8.11 6.24 4.37 3.57 2.87 2.42 3.15 2.61 4.53 6.30 11.21 8.55
SKEW -0.29 -0.59 -0.45 -0.39 -0.44 0.70 -0.19 -0.09 0.79 -1.37 -1.27 -1.20 -0.53
MAX 22.00 23.00 25.00 27.00 34.00 41.00 42.00 43.00 40.00 32.00 20.00 20.00 8.00
MIN -22.00 -12.00 -3.00 12.00 17.00 25.00 32.00 31.00 28.00 10.00 -6.00 -25.00 -18.00
NO YRS 43 43 44 39 33 35 29 31 29 33 30 41 11