SPRAGUE RIVER, OREGON

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(358007)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 200102
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
1953 ----- z ----- z ----- z ----- z 26.00 z 26.00 29.00 34.00 24.00 15.00 i 13.00 13.00 t 13.00
1954 ----- z ----- z ----- z 17.00 15.00 21.00 30.00 26.00 16.00 7.00 9.00 -12.00 -12.00
1955 -9.00 -4.00 0.00 ----- z ----- z 21.00 a 25.00 a 29.00 18.00 12.00 -23.00 c -2.00 -23.00
1956 -19.00 -22.00 -9.00 19.00 23.00 26.00 b 32.00 b 26.00 a 19.00 16.00 k ----- z ----- z -22.00
1957 ----- z ----- z 20.00 l 22.00 28.00 38.00 42.00 32.00 22.00 19.00 10.00 a -3.00 -3.00
1958 2.00 18.00 9.00 17.00 23.00 30.00 36.00 32.00 19.00 14.00 6.00 13.00 2.00
1959 0.00 5.00 10.00 15.00 15.00 25.00 30.00 32.00 20.00 17.00 7.00 0.00 0.00
1960 -10.00 -2.00 11.00 12.00 20.00 24.00 36.00 24.00 21.00 15.00 7.00 2.00 -10.00
1961 2.00 11.00 13.00 16.00 17.00 31.00 29.00 36.00 18.00 17.00 1.00 -5.00 -5.00
1962 -27.00 -7.00 9.00 18.00 21.00 20.00 28.00 26.00 26.00 21.00 8.00 4.00 -27.00
1963 -13.00 18.00 8.00 14.00 a 21.00 29.00 h 30.00 28.00 29.00 14.00 12.00 4.00 -13.00
1964 2.00 0.00 1.00 12.00 14.00 27.00 30.00 25.00 23.00 11.00 a 2.00 ----- z 0.00
1965 ----- z ----- z ----- z 19.00 h 16.00 25.00 30.00 29.00 ----- z 12.00 -1.00 -8.00 -8.00
1966 0.00 -20.00 5.00 14.00 15.00 24.00 ----- z ----- z ----- z 12.00 n ----- z ----- z -20.00
1967 ----- z ----- z ----- z 12.00 19.00 27.00 35.00 32.00 g 22.00 12.00 3.00 -16.00 f -16.00
1968 -9.00 15.00 f 17.00 v ----- z ----- z ----- z ----- z ----- z ----- z 21.00 o 8.00 -13.00 -13.00
1969 -13.00 0.00 -4.00 d 18.00 d 22.00 d 29.00 d 34.00 c 27.00 k 21.00 g 11.00 a 7.00 d 5.00 a -13.00
1970 -8.00 a 11.00 b 11.00 a 11.00 a 20.00 b 25.00 h 32.00 i 30.00 10.00 a 12.00 b 12.00 b -5.00 b -8.00
1971 -13.00 2.00 c -4.00 17.00 e 18.00 28.00 a 31.00 d 28.00 12.00 a 6.00 f 3.00 e -5.00 -13.00
1972 -13.00 -12.00 11.00 12.00 22.00 d 28.00 d 30.00 h 31.00 b 19.00 8.00 11.00 f -32.00 -32.00
1973 -2.00 13.00 13.00 d 9.00 a 20.00 d 26.00 m 24.00 i ----- z 20.00 g 15.00 e 11.00 d 14.00 -2.00
1974 -16.00 a -1.00 -13.00 16.00 h 15.00 24.00 c 24.00 a 18.00 h 21.00 d 8.00 9.00 a -10.00 -16.00
1975 -10.00 j ----- z ----- z 8.00 d 14.00 c 12.00 20.00 g 20.00 o 18.00 12.00 7.00 b -1.00 -10.00
1976 6.00 2.00 -7.00 11.00 17.00 23.00 22.00 27.00 c 27.00 a 14.00 0.00 -3.00 -7.00
1977 -16.00 4.00 10.00 11.00 16.00 26.00 29.00 b 28.00 24.00 20.00 11.00 -3.00 -16.00
1978 1.00 8.00 12.00 20.00 22.00 c 24.00 36.00 a 27.00 21.00 12.00 -7.00 -14.00 a -14.00
1979 -9.00 -6.00 12.00 14.00 20.00 26.00 25.00 32.00 31.00 20.00 -3.00 -3.00 -9.00
1980 -5.00 17.00 13.00 12.00 17.00 24.00 35.00 26.00 24.00 13.00 7.00 -2.00 -5.00
1981 3.00 4.00 12.00 13.00 a 19.00 23.00 26.00 30.00 13.00 17.00 5.00 13.00 3.00
1982 -15.00 -5.00 16.00 11.00 21.00 27.00 33.00 31.00 k 23.00 12.00 4.00 -12.00 -15.00
1983 -5.00 10.00 21.00 18.00 23.00 26.00 29.00 34.00 22.00 l 14.00 12.00 -12.00 -12.00
1984 -5.00 7.00 18.00 16.00 19.00 a 26.00 a 36.00 r 27.00 18.00 j 16.00 r 23.00 t 7.00 z -5.00
1985 -3.00 s -15.00 w ----- z 15.00 j 15.00 25.00 31.00 l ----- z 20.00 10.00 m -10.00 -2.00 j -15.00
1986 4.00 q 9.00 a 17.00 16.00 12.00 a 24.00 n 24.00 a 32.00 m 24.00 17.00 8.00 8.00 4.00
1987 -7.00 10.00 14.00 11.00 21.00 21.00 a 26.00 a 30.00 k 23.00 a 16.00 4.00 c -2.00 a -7.00
1988 -9.00 c -4.00 9.00 n 10.00 15.00 24.00 21.00 n 24.00 12.00 20.00 10.00 -15.00 -15.00
1989 -5.00 -24.00 3.00 21.00 17.00 26.00 27.00 a 26.00 25.00 14.00 0.00 c 5.00 -24.00
1990 1.00 2.00 6.00 18.00 18.00 25.00 s 34.00 33.00 29.00 14.00 11.00 -25.00 -25.00
1991 -4.00 15.00 15.00 15.00 17.00 24.00 34.00 35.00 22.00 9.00 12.00 n 5.00 a -4.00
1992 -2.00 16.00 17.00 14.00 23.00 25.00 32.00 27.00 18.00 13.00 7.00 j -8.00 -8.00
1993 -5.00 -14.00 5.00 i 19.00 23.00 22.00 28.00 27.00 18.00 16.00 ----- z ----- z -14.00
1994 ----- z ----- z ----- z ----- z 17.00 20.00 26.00 27.00 25.00 4.00 -10.00 -5.00 -10.00
1995 6.00 9.00 6.00 20.00 u 20.00 18.00 27.00 21.00 a 21.00 4.00 -2.00 0.00 -2.00
1996 -6.00 0.00 8.00 15.00 13.00 20.00 22.00 23.00 17.00 8.00 11.00 6.00 -6.00
1997 -5.00 13.00 11.00 7.00 18.00 20.00 24.00 31.00 25.00 6.00 22.00 2.00 -5.00
1998 6.00 18.00 11.00 15.00 22.00 27.00 31.00 29.00 22.00 8.00 15.00 -14.00 i -14.00
1999 -11.00 -6.00 b 5.00 7.00 12.00 17.00 a 23.00 24.00 a 19.00 15.00 c 13.00 a 8.00 b -11.00
2000 11.00 b 12.00 e 19.00 21.00 21.00 28.00 c 29.00 36.00 21.00 20.00 3.00 a 5.00 c 3.00
2001 0.00 a 3.00 e ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 0.00
Period of Record Statistics
MEAN -5.53 2.75 8.38 14.45 18.58 24.48 29.56 28.70 21.00 13.24 5.24 -2.72 -8.79
S.D. 7.85 10.98 7.96 3.88 3.50 4.24 4.52 3.75 4.58 4.39 7.99 9.73 8.90
SKEW -0.29 -0.67 -0.94 -0.02 0.13 0.03 0.39 0.24 -0.25 -0.22 -1.21 -0.74 -0.72
MAX 11.00 18.00 21.00 22.00 28.00 38.00 42.00 36.00 31.00 21.00 22.00 14.00 3.00
MIN -27.00 -24.00 -13.00 7.00 12.00 12.00 22.00 21.00 10.00 4.00 -23.00 -32.00 -27.00
NO YRS 40 40 37 40 45 42 39 37 41 41 41 39 14