SPRAGUE RIVER, OREGON

Monthly Average 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 33.75 z 33.57 39.42 40.65 34.77 27.82 i 32.63 24.73 t 36.21
1954 ----- z ----- z ----- z 27.97 32.61 35.00 39.71 37.16 28.20 20.45 24.10 13.32 28.72
1955 6.06 7.86 20.16 ----- z ----- z 36.62 a 38.27 a 38.26 31.83 27.90 20.93 c 19.68 24.76
1956 20.61 12.31 20.48 29.10 35.55 35.64 b 44.07 b 37.57 a 30.53 27.50 k ----- z ----- z 29.54
1957 ----- z ----- z 28.47 l 34.13 42.94 52.80 51.10 47.84 35.67 31.58 18.55 a 19.00 37.07
1958 20.29 30.61 21.65 26.33 33.74 40.17 45.77 43.42 32.87 27.03 24.43 25.16 30.96
1959 23.13 19.54 21.97 25.03 26.26 36.83 43.97 40.26 34.30 25.39 13.37 8.94 26.58
1960 17.87 19.34 25.90 26.27 30.87 36.10 45.29 36.42 33.43 25.61 23.13 16.03 28.02
1961 17.97 25.43 25.84 25.23 30.45 41.87 41.71 45.94 30.57 26.97 19.50 16.71 29.01
1962 5.48 20.93 23.58 26.27 30.39 35.97 38.90 39.03 34.47 28.68 25.13 22.81 27.64
1963 9.32 29.29 23.00 26.10 a 36.19 37.59 h 40.06 38.71 39.03 30.94 26.77 19.90 29.03
1964 16.84 6.28 15.81 23.27 27.55 38.00 43.42 37.16 27.83 25.30 a 22.57 ----- z 25.82
1965 ----- z ----- z ----- z 33.05 h 28.81 37.10 40.42 41.00 ----- z 24.74 24.47 13.35 29.98
1966 15.77 14.93 22.26 23.07 32.71 35.50 ----- z ----- z ----- z 20.12 n ----- z ----- z 24.04
1967 ----- z ----- z ----- z 23.77 33.74 40.57 44.84 42.29 g 36.20 27.58 24.23 7.12 f 32.99
1968 12.87 26.96 f 22.00 v ----- z ----- z ----- z ----- z ----- z ----- z 28.56 o 27.37 17.19 19.14
1969 16.45 19.11 15.70 d 26.46 d 35.11 d 43.65 d 42.68 c 37.35 k 35.61 g 25.77 a 19.00 d 21.53 a 26.55
1970 24.03 a 21.69 b 23.63 a 20.34 a 30.10 b 39.00 h 40.73 i 37.35 27.10 a 25.66 b 28.25 b 15.31 b 25.35
1971 17.10 20.16 c 20.48 25.80 e 33.84 38.10 a 43.52 d 43.13 28.17 a 23.36 f 23.64 e 13.26 27.93
1972 11.55 21.45 26.81 23.60 30.52 d 39.08 d 41.74 h 41.41 b 30.93 27.19 26.25 f 10.06 26.26
1973 15.32 25.43 22.63 d 22.00 a 33.56 d 36.82 m 39.00 i ----- z 29.43 g 26.12 e 28.50 d 24.42 24.75
1974 12.73 a 16.43 22.06 23.55 h 27.55 37.44 c 38.47 a 39.35 h 29.58 d 19.71 20.17 a 16.65 24.08
1975 11.48 j ----- z ----- z 19.73 d 28.86 c 31.27 42.46 g 34.69 o 31.43 27.06 21.93 b 22.52 26.11
1976 20.26 19.45 18.58 23.40 29.71 33.80 44.19 41.39 c 37.17 a 23.71 19.60 8.13 26.62
1977 5.10 18.39 19.68 23.47 29.00 42.83 41.83 b 45.13 35.50 27.71 25.10 22.19 27.99
1978 25.71 24.04 27.81 28.10 29.68 c 38.33 43.90 a 41.52 33.00 23.97 15.90 9.60 a 28.46
1979 12.97 23.71 25.81 26.33 32.61 35.37 42.13 41.84 36.30 34.03 19.87 21.10 29.34
1980 19.45 28.59 22.97 28.03 31.87 36.83 43.65 36.84 35.13 28.13 25.00 19.52 29.67
1981 23.06 21.21 24.29 26.90 a 31.42 36.87 39.42 39.61 33.00 27.90 25.67 26.45 29.65
1982 11.23 20.29 25.94 23.77 31.06 40.80 42.16 39.90 k 33.40 28.42 20.50 16.03 26.69
1983 23.90 27.57 29.81 27.07 33.23 36.33 39.48 44.55 32.56 l 28.42 28.20 20.94 30.86
1984 14.55 19.52 26.48 24.40 32.50 a 36.59 a 43.54 r 37.97 32.20 j 26.38 r 26.20 t 7.00 z 27.43
1985 7.42 s 3.00 w ----- z 24.75 j 28.06 38.47 46.89 l ----- z 32.20 23.67 m 13.47 10.29 j 28.05
1986 24.21 q 27.74 a 27.55 24.37 30.40 a 43.81 n 39.60 a 43.06 m 31.73 26.58 23.60 20.32 27.99
1987 14.94 22.18 25.77 25.67 34.13 40.93 a 39.33 a 37.60 k 32.14 a 27.06 22.44 c 19.10 a 27.61
1988 16.68 c 18.45 18.06 n 28.63 28.68 39.70 39.53 n 33.68 29.20 27.94 26.13 15.48 26.46
1989 10.16 6.43 27.52 30.97 32.61 38.70 37.20 a 38.74 34.30 26.26 19.22 c 13.65 26.31
1990 20.55 15.61 23.42 30.67 29.03 33.09 s 45.42 43.03 35.40 27.42 22.10 8.00 27.33
1991 14.58 23.50 23.00 26.73 31.03 35.53 45.39 43.23 33.87 25.00 22.19 n 15.00 a 28.81
1992 14.77 26.00 22.71 29.13 33.94 40.90 42.06 40.29 29.87 27.13 18.70 j 12.19 29.00
1993 10.10 9.93 28.36 i 29.10 35.52 34.93 35.16 37.19 29.83 26.29 ----- z ----- z 27.56
1994 ----- z ----- z ----- z ----- z 33.84 32.63 40.94 33.52 31.93 18.52 10.83 13.39 26.95
1995 25.23 22.54 24.23 27.11 u 32.13 36.37 37.71 31.63 a 30.03 18.03 25.17 24.16 27.93
1996 20.23 21.48 22.58 25.63 28.68 33.90 40.90 35.77 27.27 23.13 22.87 23.45 27.16
1997 18.71 20.93 23.65 24.37 32.84 34.23 37.81 39.58 31.90 23.68 27.43 15.23 27.53
1998 26.77 25.82 25.26 26.00 33.48 35.17 41.39 36.74 33.13 19.74 26.63 13.59 i 30.01
1999 14.55 15.54 b 22.32 22.67 27.94 31.90 a 33.32 40.17 a 29.27 23.64 c 29.00 a 18.14 b 25.70
2000 22.45 b 25.54 e 24.32 31.20 35.32 39.56 c 44.97 42.87 35.60 27.39 19.97 a 19.18 c 30.70
2001 18.43 a 19.96 e ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 19.19
Period of Record Statistics
MEAN 16.69 20.38 23.40 26.03 31.78 37.52 41.53 39.75 32.39 25.95 22.86 17.36 28.21
S.D. 5.55 5.93 3.09 2.97 3.02 3.75 3.35 3.55 2.89 3.29 4.52 4.92 1.57
SKEW -0.23 -0.70 -0.49 0.35 0.93 1.59 0.11 0.01 0.03 -0.48 -0.56 -0.17 0.21
MAX 26.77 30.61 29.81 34.13 42.94 52.80 51.10 47.84 39.03 34.03 32.63 26.45 30.96
MIN 5.10 6.28 15.70 19.73 26.26 31.27 33.32 31.63 27.10 18.03 10.83 8.00 25.70
NO YRS 40 40 37 40 45 42 39 37 41 41 41 39 16