CORVALLIS STATE UNIV, OREGON

Monthly Average Temperature (Degrees Fahrenheit)

(351862)

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
1889 ----- z ----- z ----- z 52.33 55.84 67.53 71.35 ----- z ----- z ----- z 46.85 38.55 55.41
1890 32.52 36.96 44.48 50.55 58.71 60.15 62.77 64.89 60.45 50.42 43.62 42.53 50.67
1891 39.79 36.16 42.40 49.35 56.11 57.25 65.02 67.35 58.23 54.40 47.67 41.18 51.24
1892 38.65 41.44 d 46.81 46.20 55.18 59.00 62.37 ----- z ----- z ----- z ----- z ----- z 49.95
1893 32.29 38.98 44.31 45.17 53.03 56.22 62.29 63.81 56.35 47.53 43.63 42.40 48.83
1894 40.52 37.95 43.66 48.87 54.21 57.83 64.79 67.27 58.92 50.85 45.78 38.74 50.78
1895 38.40 41.66 43.90 50.08 53.90 60.30 ----- z 64.60 55.42 52.52 41.87 40.02 49.33
1896 41.92 44.81 44.31 46.23 51.13 59.23 67.74 65.55 59.07 52.76 38.65 43.31 51.23
1897 38.65 42.70 41.08 53.37 60.18 a 60.62 a 62.90 68.69 58.60 52.77 45.65 43.29 52.38
1898 39.35 45.68 43.94 51.69 a 54.84 ----- z 64.55 66.76 61.58 50.63 43.43 37.53 50.91
1899 42.69 37.75 43.45 48.05 52.55 58.47 64.89 61.31 62.28 51.15 50.83 41.66 51.26
1900 42.29 41.93 51.00 51.40 55.39 61.60 64.66 61.32 58.68 52.67 d 48.07 44.11 52.76
1901 38.77 42.36 45.95 49.80 56.19 57.37 62.18 67.35 57.67 57.48 47.40 40.18 51.89
1902 37.68 45.62 44.81 48.48 55.13 60.65 63.63 65.94 60.08 53.60 44.25 40.19 51.67
1903 40.61 38.36 44.35 47.75 55.27 61.50 62.02 63.95 60.30 52.52 45.08 39.95 50.97
1904 40.52 40.81 42.76 53.13 56.13 61.30 65.11 66.32 61.65 54.10 48.25 41.92 52.67
1905 40.23 42.21 49.77 53.18 54.63 60.13 68.39 65.00 61.38 50.68 42.37 39.73 52.31
1906 43.48 44.04 44.45 53.72 55.00 57.83 70.29 67.11 61.05 53.87 45.60 43.21 53.30
1907 35.48 46.88 44.63 51.88 57.11 61.17 65.43 d 64.47 60.93 56.19 46.75 43.45 52.86
1908 41.82 42.29 45.58 51.15 51.08 58.53 69.52 64.58 59.22 52.27 47.62 38.52 51.85
1909 34.50 43.09 46.65 49.48 52.08 60.53 61.95 62.92 61.47 53.53 44.65 ----- z 51.90
1910 39.46 s 37.88 47.76 50.53 a 57.50 58.23 65.71 62.73 59.05 53.48 44.45 40.71 52.55
1911 34.95 38.00 46.85 46.48 50.98 56.52 69.26 67.32 54.05 51.24 44.45 39.63 49.98
1912 42.13 45.93 43.69 48.43 g 56.69 61.15 65.15 60.74 61.09 a 49.23 a 45.39 h 41.33 d 52.71
1913 38.56 38.80 44.77 49.60 54.50 60.03 64.87 66.27 59.45 52.85 e 46.53 40.73 51.41
1914 44.95 42.48 a 49.50 b 52.57 57.60 a 57.92 67.06 65.02 i 58.95 a 55.50 45.33 35.52 51.58
1915 38.79 43.85 a 50.52 54.58 54.73 65.08 65.48 67.85 59.72 52.73 ----- z 44.47 54.35
1916 32.37 46.21 46.11 50.80 51.79 59.48 62.58 67.71 59.70 48.87 42.29 a 38.68 50.55
1917 38.39 41.09 40.84 47.82 54.56 59.88 b 69.13 69.27 61.50 56.08 f 47.40 d 47.13 52.46
1918 45.19 42.09 45.85 49.97 54.02 65.60 65.85 h 66.50 d 66.90 55.53 44.57 39.79 52.36
1919 38.47 41.55 45.58 50.53 54.63 60.13 67.08 66.77 60.77 51.34 45.03 31.39 51.11
1920 39.13 40.60 44.05 46.97 51.73 59.10 64.45 67.08 58.68 49.55 43.42 41.18 50.49
1921 39.61 44.95 46.53 48.80 54.48 61.45 63.31 64.55 57.95 54.89 47.15 38.11 51.82
1922 35.35 38.86 42.39 46.37 55.90 62.75 65.85 64.29 61.65 52.77 40.10 37.84 50.34
1923 40.32 37.12 43.69 50.40 54.90 59.88 65.79 68.50 62.25 53.71 47.45 40.71 52.06
1924 37.73 46.71 44.21 51.18 58.69 61.75 63.58 f 64.48 60.18 52.18 43.28 33.61 50.36
1925 43.63 45.77 46.18 52.28 58.27 61.50 67.37 64.40 60.62 52.94 45.05 43.68 53.47
1926 40.23 46.89 50.79 57.12 56.53 64.13 66.61 65.39 59.20 54.84 47.68 41.05 54.21
1927 39.37 43.09 44.56 48.37 53.26 61.24 e 65.81 65.84 60.40 53.61 48.58 37.34 51.79
1928 40.32 44.10 49.82 49.42 59.55 61.47 67.81 66.71 61.40 53.68 46.23 40.42 53.41
1929 36.18 37.75 47.73 47.85 57.00 61.33 66.61 68.16 63.78 57.48 43.83 44.19 52.66
1930 29.35 46.48 50.37 55.45 54.63 61.25 66.18 68.44 62.47 53.02 44.53 39.97 52.68
1931 43.60 43.70 48.65 55.30 61.32 62.03 69.32 68.13 61.58 54.90 43.92 40.34 54.40
1932 40.11 42.38 47.97 51.27 56.11 64.78 63.95 67.55 64.03 56.84 48.37 37.26 53.38
1933 38.98 38.96 46.42 51.53 52.03 60.82 67.21 68.29 58.62 53.02 45.18 46.79 52.32
1934 46.21 47.96 53.60 55.87 58.27 61.38 64.95 66.79 60.93 56.32 48.68 41.89 55.24
1935 38.63 43.39 42.48 50.50 55.89 63.33 66.21 68.34 66.48 52.94 42.57 40.55 52.61
1936 43.98 37.86 45.60 54.73 60.10 64.15 67.37 68.11 63.13 57.94 43.95 43.10 54.17
1937 32.08 41.46 49.23 49.22 58.00 63.95 68.08 66.18 63.87 58.55 49.40 43.39 53.62
1938 40.90 43.38 46.82 53.55 58.87 64.22 70.35 65.45 66.35 55.23 43.37 43.15 54.30
1939 42.89 40.75 48.92 55.05 58.84 60.90 68.35 69.26 64.38 55.65 48.67 46.18 54.99
1940 41.95 46.55 51.16 53.97 61.19 65.87 67.13 69.15 64.65 58.19 44.40 44.06 55.69
1941 43.29 47.07 52.87 54.03 57.42 62.10 71.47 67.13 60.57 54.26 47.33 43.02 55.05
1942 37.06 42.68 46.63 53.57 56.50 61.22 69.13 68.95 64.03 56.18 46.53 44.52 53.92
1943 35.55 45.93 46.76 54.28 55.40 60.23 66.92 65.03 66.03 55.02 46.38 39.89 53.12
1944 39.89 43.74 46.66 50.60 56.23 60.97 66.79 66.94 65.57 58.48 44.40 38.55 53.23
1945 42.18 45.20 45.00 49.75 58.08 62.30 68.16 66.77 61.20 54.66 45.80 41.73 53.40
1946 40.63 42.91 46.65 51.18 58.98 59.17 66.37 67.05 60.28 50.44 43.65 41.76 52.42
1947 37.11 45.91 50.44 53.48 60.29 60.20 64.15 65.06 63.85 54.40 47.33 42.61 53.74
1948 40.32 41.28 44.73 47.23 55.55 65.15 65.13 64.40 61.45 52.23 44.07 37.05 51.55
1949 30.34 41.16 47.77 53.95 59.27 63.00 65.15 65.53 63.40 49.87 49.68 41.18 52.53
1950 31.32 41.93 45.27 50.08 55.69 62.10 67.66 68.97 63.43 53.19 47.55 48.11 52.94
1951 40.35 44.64 42.77 53.72 56.97 64.33 65.95 66.94 63.57 54.08 46.62 39.26 53.27
1952 39.45 43.41 45.55 53.07 56.76 b 58.13 66.82 64.84 63.58 56.77 38.40 40.77 52.30
1953 46.26 43.23 44.44 49.12 52.98 56.53 64.53 64.90 63.22 53.02 47.03 41.74 52.25
1954 39.31 41.70 42.68 48.95 55.82 57.12 62.76 63.05 59.30 50.95 48.52 39.76 50.83
1955 37.89 39.68 40.89 44.35 52.21 59.50 61.16 63.90 59.83 52.66 42.33 40.68 49.59
1956 40.87 35.88 43.47 50.58 57.95 57.60 66.81 65.18 61.80 50.97 41.58 39.44 51.01
1957 31.73 41.89 46.31 50.95 57.47 61.20 63.60 62.92 64.35 52.73 41.88 42.66 51.47
1958 40.98 47.79 44.23 49.75 59.85 63.63 70.24 69.73 62.00 54.50 46.17 44.63 54.46
1959 41.74 41.16 45.06 50.13 53.11 60.23 67.55 65.19 58.92 53.97 43.88 39.40 51.70
1960 35.52 41.76 44.55 49.48 52.34 61.53 67.18 63.58 61.30 53.50 45.00 38.71 51.20
1961 43.13 45.95 45.79 49.62 54.18 63.42 66.34 68.68 58.63 52.10 41.68 41.08 52.55
1962 36.63 41.27 43.31 51.55 50.94 59.05 64.58 64.13 62.28 52.61 46.87 41.60 51.23
1963 34.10 47.52 44.65 46.77 55.26 59.20 62.03 65.18 64.25 53.66 46.07 38.81 51.46
1964 40.84 40.88 43.32 47.43 51.63 58.25 64.56 63.77 58.58 53.50 41.85 40.19 50.40
1965 39.58 43.21 47.44 51.03 52.69 59.23 66.55 66.52 60.48 54.81 47.83 38.13 52.29
1966 39.60 40.71 44.56 51.12 55.65 61.00 64.73 66.15 62.88 52.56 46.80 43.82 52.46
1967 43.15 43.11 43.66 44.73 55.00 63.40 67.13 70.90 65.47 52.84 46.85 40.97 53.10
1968 39.69 48.17 c 47.13 47.28 53.73 60.43 66.00 64.03 60.37 50.94 45.62 38.35 51.81
1969 34.34 39.14 45.94 48.18 57.81 64.05 64.31 63.40 61.87 50.87 44.97 41.37 51.35
1970 40.98 44.82 46.10 46.38 54.40 63.83 66.11 65.32 58.67 51.26 45.93 39.55 51.95
1971 39.31 40.86 42.39 47.88 54.56 56.97 65.77 67.53 58.77 50.23 43.82 38.95 50.59
1972 38.45 42.74 48.32 46.12 56.50 61.57 68.40 68.73 59.47 52.76 46.83 34.47 52.03
1973 37.94 44.68 44.76 49.82 56.77 61.50 66.97 63.74 62.53 52.44 43.80 43.69 52.39
1974 36.40 40.96 45.56 48.90 53.02 61.50 64.48 66.97 65.93 52.52 45.95 43.00 52.10
1975 42.42 40.82 43.87 44.73 54.16 59.17 65.48 63.18 63.60 52.02 43.73 42.08 51.27
1976 41.03 40.95 43.32 47.67 54.13 57.17 64.76 64.13 62.93 53.63 46.85 37.42 51.17
1977 37.18 44.43 43.61 50.25 51.56 61.07 63.95 69.60 59.30 53.61 44.12 43.85 51.88
1978 41.82 45.75 49.60 49.97 53.85 62.97 66.68 66.55 59.75 53.77 39.92 36.29 52.24
1979 31.61 41.59 48.40 50.27 55.58 61.07 66.48 64.82 63.22 56.63 43.68 43.50 52.24
1980 37.39 43.12 45.68 51.07 53.98 58.05 66.52 63.32 61.85 54.24 47.05 42.87 52.09
1981 40.63 42.73 46.82 50.02 54.42 59.25 65.45 68.34 62.22 51.35 47.12 42.94 52.61
1982 37.89 42.09 45.00 47.02 55.37 62.70 64.60 66.21 61.65 53.34 42.00 41.05 51.58
1983 42.24 45.70 49.27 50.13 57.05 59.42 63.02 66.55 60.40 51.92 47.62 35.87 52.43
1984 41.87 43.90 49.10 48.07 53.16 58.17 66.08 65.29 61.02 50.44 45.13 37.85 51.67
1985 35.27 40.21 43.50 52.05 55.03 61.33 69.71 65.45 58.73 52.23 38.13 32.82 50.37
1986 42.69 43.70 50.92 49.22 55.10 64.32 63.18 69.73 59.33 55.15 46.97 39.27 53.30
1987 39.61 44.09 47.42 52.80 58.16 63.48 65.08 67.85 62.80 57.44 47.28 39.10 53.76
1988 38.95 43.47 46.31 51.53 54.00 60.13 67.11 66.26 62.38 57.40 46.60 40.00 52.85
1989 40.92 35.21 45.60 54.82 55.42 63.32 64.10 64.61 64.28 52.45 46.38 39.50 52.22
1990 42.29 40.23 47.69 52.82 54.27 61.12 68.81 68.03 65.02 51.16 46.13 33.82 52.62
1991 38.82 48.14 44.60 48.85 52.48 57.42 67.23 67.48 65.85 54.73 47.30 41.18 52.84
1992 43.31 47.40 50.58 53.70 60.34 65.35 68.08 67.97 61.85 55.00 45.83 38.95 54.86
1993 34.81 38.86 49.18 50.28 58.77 60.30 62.60 67.19 62.47 55.97 39.65 38.95 51.59
1994 43.26 41.02 48.94 51.55 57.26 59.42 67.95 66.03 64.55 52.02 40.73 41.81 52.88
1995 43.79 46.43 46.97 49.03 57.55 61.45 68.53 64.81 65.12 52.97 50.32 42.08 54.09
1996 42.23 42.10 47.48 52.08 53.29 60.23 69.76 67.94 60.22 52.61 45.55 41.92 52.95
1997 41.27 43.36 46.77 50.13 60.02 60.07 66.32 69.26 63.62 51.84 48.28 38.84 53.31
1998 43.15 44.89 47.32 49.72 54.45 60.78 68.98 68.23 65.03 52.90 47.40 39.34 53.52
1999 41.53 42.68 44.21 49.07 52.76 58.97 64.29 67.29 62.90 53.56 49.13 41.94 52.36
2000 39.47 43.38 44.48 51.58 55.90 62.53 65.10 65.35 62.30 53.45 41.35 39.87 52.06
2001 40.10 41.18 46.76 47.62 56.52 58.32 65.06 66.48 62.83 52.47 47.62 40.90 52.15
2002 41.00 43.25 43.50 50.63 53.63 60.88 67.90 66.42 62.93 52.52 45.78 43.21 52.64
2003 44.39 43.64 48.92 49.35 55.42 63.57 68.87 67.50 64.47 56.53 43.02 41.45 53.93
2004 ----- z 43.64 ----- z ----- z 57.16 62.73 68.87 69.16 60.97 54.53 43.45 42.26 55.86
2005 41.34 42.09 48.40 50.12 57.45 58.95 68.31 68.34 60.28 54.60 42.85 38.79 52.63
2006 44.11 41.54 44.35 51.22 57.26 63.85 69.34 66.23 62.27 52.15 46.50 40.08 53.24
2007 38.27 44.25 48.81 49.45 55.19 60.35 68.71 66.35 61.05 51.35 43.82 40.47 52.34
2008 36.84 42.21 42.92 46.53 56.13 58.33 66.97 67.10 61.63 51.79 48.28 37.68 51.37
2009 39.52 41.20 43.73 48.70 55.76 62.73 69.42 66.48 63.48 51.84 45.02 36.13 52.00
2010 44.76 46.04 46.15 48.90 52.97 58.92 66.61 65.77 62.17 53.48 45.12 43.58 52.87
2011 41.74 40.57 46.47 46.81 a 52.76 59.72 ----- z 67.92 65.25 53.77 44.48 37.78 a 50.66
2012 40.84 42.83 43.40 51.58 54.82 59.45 65.60 67.65 62.62 54.56 47.80 42.06 52.77
2013 36.11 43.02 45.95 i ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 39.57
Period of Record Statistics
MEAN 39.47 42.60 46.04 50.28 55.57 60.86 66.18 66.26 61.62 53.35 45.30 40.59 52.36
S.D. 3.45 2.82 2.56 2.60 2.39 2.29 2.23 1.98 2.39 2.11 2.52 2.82 1.24
SKEW -0.70 -0.23 0.50 0.11 0.23 0.29 0.04 -0.28 -0.15 0.29 -0.56 -0.39 0.07
MAX 46.26 48.17 53.60 57.12 61.32 67.53 71.47 70.90 66.90 58.55 50.83 48.11 55.69
MIN 29.35 35.21 40.84 44.35 50.94 56.22 61.16 60.74 54.05 47.53 38.13 31.39 48.83
NO YRS 122 124 122 122 124 123 120 121 122 121 121 122 110