SENECA, OREGON

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(357675)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
1908 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1909 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1910 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1911 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1912 ----- z 15.23 g ----- z 24.67 f ----- z 35.64 h 36.32 32.59 i 23.70 c 16.32 21.45 a 3.17 a 20.19
1913 0.10 a 0.75 10.23 24.60 32.14 b 36.23 d 43.36 i 38.42 27.38 a 21.80 a 21.04 g ----- z 21.29
1914 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1915 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1916 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1917 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1918 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1919 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1920 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1921 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1922 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1923 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1924 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1925 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1926 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1927 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1928 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1929 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1930 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1931 11.43 x 9.29 20.19 25.05 j 25.67 s 31.17 32.77 29.55 21.23 9.91 i -1.30 -3.94 17.37
1932 ----- z ----- z ----- z ----- z ----- z ----- z 35.65 31.00 25.07 25.81 24.27 -1.37 a 23.40
1933 4.23 -1.64 15.52 25.13 28.52 38.07 38.84 34.42 27.33 17.65 15.47 23.10 22.22
1934 25.97 25.00 20.97 34.70 32.00 34.21 a 36.29 33.32 20.73 25.68 22.67 3.90 26.29
1935 6.23 9.61 21.94 35.17 36.26 33.03 a 41.10 a 36.74 23.69 a 17.23 10.10 10.58 23.47
1936 6.39 0.93 9.90 31.37 37.45 40.13 38.55 36.97 17.00 14.26 4.73 4.96 e 20.22
1937 -9.94 7.96 15.77 20.93 33.48 38.23 41.06 32.06 28.40 29.65 29.07 19.77 23.87
1938 13.16 13.96 15.65 20.43 27.97 33.53 38.00 33.35 31.33 27.90 9.17 14.16 23.22
1939 15.35 4.04 12.81 24.40 29.10 31.43 39.84 30.06 25.87 19.16 10.60 12.61 21.27
1940 7.71 16.00 24.19 29.47 31.48 37.03 35.71 33.71 35.40 29.42 9.20 9.71 24.92
1941 ----- z ----- z ----- z ----- z ----- z 34.05 i 38.77 37.55 30.43 27.52 23.77 ----- z 31.61
1942 1.39 4.11 8.29 23.87 29.81 30.10 33.55 31.87 24.93 16.26 9.13 4.23 a 18.13
1943 -5.94 3.96 16.65 33.87 ----- z 31.43 36.00 ----- z 29.14 a 25.19 22.33 ----- z 21.40
1944 0.06 1.07 9.52 27.07 25.65 ----- z 32.42 27.87 18.37 ----- z ----- z ----- z 17.75
1945 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1946 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1947 ----- z ----- z 23.54 r ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1948 ----- z ----- z ----- z 26.60 30.48 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 28.54
1949 ----- z ----- z ----- z ----- z ----- z 32.97 41.58 ----- z 26.20 ----- z ----- z ----- z 33.58
1950 ----- z ----- z ----- z ----- z 26.11 d 34.70 35.43 a 33.26 24.80 29.23 a 25.70 26.94 29.52
1951 9.90 17.50 15.23 24.00 31.07 b 30.77 35.23 34.44 f 26.23 25.27 a 14.80 9.37 a 21.76
1952 5.90 3.00 11.19 23.90 31.68 36.03 a 34.90 a 34.30 a 28.13 16.19 4.83 11.77 20.15
1953 22.58 16.61 19.74 24.63 27.55 35.03 a 35.07 a 35.96 d 25.62 a 20.31 b 21.79 b 11.16 24.67
1954 15.77 a 16.44 c 14.40 a 23.22 c 25.83 g 33.10 a 35.38 g 32.63 a 24.84 e 16.64 f 20.07 b 7.03 a 20.83
1955 5.42 7.11 a 11.03 b 23.07 27.73 e 33.57 b 36.93 c 30.31 b 28.35 d 24.75 c 16.54 d 17.93 a 21.90
1956 10.32 6.52 14.84 26.71 b 35.31 e 36.37 c 42.61 h 35.24 b 25.29 b 24.37 d 13.55 a 12.10 21.87
1957 -5.84 9.07 22.13 26.10 a 35.57 c 38.00 b 34.32 c 31.24 b 28.81 c 25.76 b 13.38 f 18.45 23.97
1958 11.65 22.79 16.29 28.07 34.61 c 39.50 j 38.86 i 36.58 28.13 18.82 c 15.00 a 17.71 22.96
1959 18.77 16.21 20.97 a 24.54 b 27.71 c 33.67 c 33.97 b 31.61 c 30.23 26.37 d 14.03 a 7.87 a 23.83
1960 3.68 9.41 19.84 26.24 a 28.54 e 32.69 d 38.11 c 31.27 a 25.08 d 22.58 e 18.57 b 9.23 22.10
1961 12.52 25.07 22.39 23.41 c 28.33 a 35.11 c 35.25 c 38.00 b 25.14 b 22.07 b 13.24 a 13.94 24.54
1962 2.06 15.46 16.35 25.17 30.23 31.31 a 31.69 b 32.45 b 27.38 f 25.82 c 18.79 a 18.84 22.56
1963 4.97 26.54 20.76 b 25.07 33.48 37.12 d 33.14 b 34.55 34.54 b 23.39 c 24.60 13.00 25.93
1964 9.87 2.38 16.00 22.87 25.10 b 36.46 b 38.54 e 33.76 b 24.65 d 19.43 c 14.39 b 14.81 21.52
1965 15.45 t 10.53 i 12.20 k 27.03 a 27.32 36.29 b 38.69 b 39.39 23.13 20.97 b 19.23 11.47 a 27.06
1966 9.74 6.18 14.68 23.40 27.93 b 34.67 35.94 35.00 a 31.97 18.97 23.07 16.29 23.15
1967 13.77 14.07 19.42 22.87 29.84 37.30 40.23 36.29 30.10 22.81 20.53 6.90 24.51
1968 10.90 21.31 21.19 20.47 28.13 35.73 36.61 38.61 27.67 19.62 b 22.33 16.20 a 24.90
1969 10.77 6.04 8.10 a 26.03 31.48 38.40 35.84 31.35 27.80 20.67 a 15.20 15.45 22.26
1970 14.61 17.71 20.19 20.10 28.68 39.37 37.19 31.58 21.57 12.90 21.46 b 5.63 a 22.58
1971 10.89 c 13.71 12.33 a 22.83 31.74 35.24 a 38.29 38.19 20.83 18.13 18.07 6.74 22.25
1972 0.68 11.10 23.61 23.10 28.87 34.27 36.52 34.32 23.67 19.55 22.43 5.61 21.98
1973 5.89 c 17.33 a 22.61 c 22.59 c 29.28 b 34.27 37.13 34.26 29.67 18.16 f 22.15 c 20.24 b 25.04
1974 5.69 b 9.33 d 19.17 g 26.54 d 28.43 j 40.38 q 38.14 b 34.26 23.04 g 17.00 e 19.64 h 16.22 d 21.03
1975 12.52 b 15.15 a 16.55 b 20.62 f 30.27 i 34.80 j 44.33 d 34.52 f 25.12 f 24.35 e 15.38 f 17.55 b 21.74
1976 14.29 10.56 b 16.52 23.59 h 29.15 k 33.39 g 41.83 g 38.93 d 32.60 18.81 18.81 c 7.58 19.76
1977 -1.06 15.27 b 18.65 23.04 c 31.03 38.38 d 37.00 i 37.88 f 32.14 h 23.33 j 23.04 g 19.45 b 20.68
1978 13.87 a 18.04 24.61 27.86 h 31.00 g 33.80 j 37.85 k 36.00 i 31.10 j 16.07 a 11.00 a 0.23 13.97
1979 -8.10 15.07 18.90 27.30 32.71 34.73 38.35 38.81 32.63 30.77 ----- z ----- z 26.12
1980 ----- z ----- z ----- z 27.83 33.39 36.50 39.26 30.55 29.40 20.42 20.03 15.16 28.06
1981 18.23 13.71 21.48 26.93 31.97 35.40 34.55 34.71 26.33 22.29 22.70 17.84 25.51
1982 4.13 12.75 21.77 21.97 30.45 40.00 40.97 37.16 31.30 25.06 16.40 12.35 24.53
1983 16.35 20.68 28.00 24.67 32.42 36.00 38.65 40.26 25.73 21.55 25.43 8.16 26.49
1984 2.94 6.83 22.19 26.90 32.61 36.20 39.97 36.29 29.47 24.39 22.87 3.00 23.64
1985 -1.71 2.71 8.84 25.27 31.97 35.00 40.10 34.06 26.33 21.97 7.90 -1.84 19.22
1986 13.87 20.89 25.29 24.47 31.26 36.40 33.58 38.26 28.40 20.77 22.87 11.90 25.66
1987 2.81 15.29 24.87 26.60 32.71 37.50 38.55 31.32 26.47 16.42 18.87 15.52 23.91
1988 9.27 a 13.59 22.52 28.40 37.84 43.10 36.84 31.33 a 26.53 23.74 22.50 9.10 25.40
1989 6.23 -0.36 24.06 29.80 32.19 37.57 36.97 37.26 28.00 24.97 19.27 11.61 23.96
1990 19.10 9.46 22.00 29.20 31.55 36.77 38.81 39.45 29.80 22.71 21.83 4.65 25.44
1991 8.45 24.18 23.10 26.50 31.81 35.73 39.10 38.16 28.43 18.42 26.30 14.77 26.25
1992 14.39 24.45 22.58 28.80 30.13 38.97 38.23 35.58 29.00 24.06 16.67 5.90 25.73
1993 -0.65 3.50 22.23 28.40 37.29 36.93 35.42 34.77 24.50 25.45 5.80 16.55 22.52
1994 17.81 14.82 20.19 28.43 33.84 34.47 38.06 34.23 28.03 19.90 12.87 11.45 24.51
1995 21.06 22.86 23.74 27.07 33.03 36.57 39.55 31.39 29.23 22.13 25.53 19.94 27.67
1996 18.29 15.69 25.13 27.77 32.45 35.33 38.68 35.35 25.73 21.45 21.07 16.93 a 26.16
1997 13.48 17.36 24.84 28.00 34.10 37.87 39.87 37.45 32.50 22.77 21.60 11.39 26.77
1998 20.61 18.61 22.03 27.43 34.48 36.73 43.16 36.71 33.90 16.97 25.03 11.65 27.28
1999 12.68 5.14 17.03 23.73 28.67 a 33.73 33.39 37.00 21.97 16.45 23.53 13.94 22.27
2000 16.29 20.97 19.10 27.30 32.81 34.87 38.77 32.90 44.04 d 24.26 10.00 8.23 25.79
2001 3.94 9.93 19.23 24.13 31.61 34.41 a 39.94 37.84 30.67 20.32 18.03 12.19 23.52
2002 13.71 10.14 17.39 27.17 31.29 39.03 41.48 32.52 26.20 15.32 15.00 17.58 23.90
2003 23.94 18.39 26.90 27.17 34.29 35.80 42.71 38.16 32.53 23.87 16.30 19.26 28.28
2004 ----- z 9.31 20.84 28.30 33.84 38.23 40.32 42.35 28.57 24.81 19.97 16.52 27.55
2005 10.71 10.68 22.58 28.77 37.06 36.00 38.55 34.65 23.70 23.48 17.97 10.81 24.58
2006 16.26 3.21 21.42 28.50 33.39 40.20 43.29 34.19 28.77 21.81 22.07 10.58 25.31
2007 5.19 20.25 23.77 25.40 30.90 36.17 43.74 32.61 ----- z ----- z 8.63 ----- z 25.19
2008 -8.97 4.38 ----- z 18.73 34.07 a 33.87 36.68 37.03 ----- z 20.26 23.23 9.65 20.89
2009 8.87 13.14 16.74 23.60 31.29 41.53 40.13 37.74 28.27 22.61 16.07 5.90 23.82
2010 21.35 17.89 20.35 23.70 29.55 39.27 36.58 34.65 29.53 27.87 19.23 15.19 26.26
2011 6.65 13.04 d 19.29 24.59 a 30.74 36.97 37.90 36.40 a 30.20 23.37 a 17.27 8.53 a 23.75
2012 11.94 15.03 16.10 25.17 29.58 35.38 a 40.29 33.74 25.65 d 19.06 20.15 d 13.35 23.79
2013 -2.39 c 7.71 14.89 c ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 6.74
Period of Record Statistics
MEAN 9.05 12.38 18.90 25.84 31.41 35.90 37.81 34.86 27.49 21.89 17.83 11.70 24.00
S.D. 8.03 7.00 4.75 3.12 2.84 2.55 2.80 2.94 4.10 3.93 6.05 6.00 2.11
SKEW -0.28 -0.01 -0.54 0.56 0.12 0.11 0.06 0.03 0.59 0.01 -0.81 -0.26 -0.47
MAX 25.97 26.54 28.00 35.17 37.84 43.10 44.33 42.35 44.04 30.77 29.07 26.94 28.28
MIN -9.94 -1.64 8.10 18.73 25.10 30.10 31.69 27.87 17.00 12.90 -1.30 -3.94 18.13
NO YRS 72 74 72 72 70 71 73 73 73 73 72 73 53