CORVALLIS STATE UNIV, OREGON

Monthly Average Maximum 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 61.47 64.10 74.30 78.84 ----- z ----- z ----- z 49.57 40.81 61.51
1890 35.81 40.71 48.35 61.93 71.55 72.40 77.35 80.97 78.33 63.97 54.93 49.61 61.33
1891 46.45 41.89 50.94 58.37 67.94 68.27 80.84 83.71 72.13 65.00 55.03 47.19 61.48
1892 44.32 49.44 d 55.81 54.50 68.45 71.80 76.06 ----- z ----- z ----- z ----- z ----- z 60.06
1893 37.61 46.18 53.26 52.97 63.71 68.43 78.06 80.90 66.97 57.19 52.60 48.19 58.84
1894 46.48 44.86 52.10 58.67 66.19 67.77 81.06 84.10 70.53 61.42 54.00 45.48 61.06
1895 44.74 49.43 54.90 62.20 64.61 74.37 ----- z 82.03 68.40 66.58 51.10 46.45 60.44
1896 49.39 52.93 54.81 55.33 61.03 73.07 85.65 78.32 75.23 66.90 45.77 49.19 62.30
1897 44.52 49.89 47.90 64.80 73.33 a 71.41 a 77.52 84.26 70.33 64.58 51.97 47.90 62.37
1898 44.16 51.61 53.10 62.28 a 66.26 ----- z 79.61 81.03 75.07 61.58 51.27 44.48 60.95
1899 48.87 46.11 52.84 58.10 61.16 71.37 80.97 73.45 77.57 61.61 57.33 48.13 61.46
1900 49.26 49.11 61.13 62.50 66.45 73.53 79.84 76.87 72.17 63.74 d 54.03 49.26 63.16
1901 45.00 49.93 55.19 59.80 66.74 68.33 76.61 84.26 70.37 68.94 54.63 45.90 62.14
1902 44.87 52.07 52.13 57.93 64.45 74.17 77.03 81.68 75.10 65.13 50.43 45.61 61.72
1903 46.94 46.93 54.35 58.27 66.65 73.10 75.42 78.10 75.23 63.45 51.10 45.90 61.29
1904 46.03 46.72 48.97 64.37 69.32 75.80 79.06 82.97 77.33 65.52 54.67 47.61 63.20
1905 45.84 50.82 58.52 65.47 64.81 71.80 83.87 80.68 74.03 60.74 51.50 44.81 62.74
1906 48.55 52.36 53.26 67.10 65.90 69.30 86.58 84.26 74.53 64.90 52.37 49.26 64.03
1907 41.65 54.89 52.94 63.47 70.48 73.47 80.22 d 77.77 74.77 66.68 56.57 48.55 63.45
1908 47.81 49.79 54.61 63.60 61.35 70.40 84.97 79.71 73.83 63.71 54.93 43.77 62.37
1909 41.39 48.43 55.97 61.17 63.77 73.73 73.71 78.81 75.57 63.19 52.43 ----- z 62.56
1910 44.75 s 42.29 56.87 61.86 a 69.61 69.90 81.00 77.84 72.57 63.19 50.73 46.29 62.92
1911 40.52 46.04 59.68 58.23 61.74 68.83 83.90 79.52 64.40 62.35 52.53 45.35 60.26
1912 47.81 52.41 53.00 58.78 g 69.00 72.60 78.03 71.39 73.69 a 61.67 a 52.59 h 47.00 d 62.66
1913 44.03 47.32 53.03 60.53 67.32 72.23 79.39 81.55 74.77 62.41 b 52.93 46.48 61.83
1914 50.61 50.07 59.45 62.93 70.48 68.90 82.97 80.77 i 70.45 a 65.00 52.63 42.55 61.46
1915 45.00 51.00 a 61.19 68.37 64.52 76.30 77.26 83.74 72.73 65.32 ----- z 52.94 65.31
1916 38.29 55.97 54.00 62.37 62.00 72.57 74.19 80.94 72.43 62.71 52.07 a 44.68 61.02
1917 45.68 48.61 49.35 56.53 65.65 75.64 b 88.39 88.61 74.23 72.32 f 57.15 d 52.65 63.86
1918 50.71 50.00 55.87 64.00 67.39 83.00 83.48 h 82.78 d 84.97 68.26 52.93 46.58 64.23
1919 45.81 48.96 55.71 62.63 68.32 77.03 87.23 85.52 75.97 64.74 54.57 39.10 63.80
1920 45.97 50.52 52.42 56.57 66.55 71.83 78.55 82.90 69.10 55.29 50.03 45.00 60.39
1921 44.71 51.75 54.97 59.07 65.61 73.37 79.68 80.13 72.27 66.48 53.83 44.42 62.19
1922 42.68 46.46 50.90 57.77 69.19 79.37 84.10 79.45 77.33 62.45 48.30 44.45 61.87
1923 46.35 45.64 55.35 61.70 66.16 71.80 78.74 84.42 76.60 65.19 57.07 47.87 63.08
1924 45.42 54.45 53.74 64.70 74.55 76.37 78.52 f 78.71 75.43 62.00 49.40 41.68 61.50
1925 48.77 52.21 56.39 62.90 71.00 75.30 84.48 80.10 73.97 67.23 52.03 50.52 64.57
1926 47.19 54.18 64.42 72.00 69.00 81.00 85.13 80.68 73.20 65.84 55.43 47.71 66.31
1927 45.74 51.32 54.87 60.50 65.16 74.68 e 81.65 82.42 71.40 63.97 54.50 43.58 62.48
1928 46.71 53.72 58.19 58.93 74.48 72.00 82.00 81.61 75.67 62.77 52.80 46.68 63.80
1929 42.35 45.96 57.03 57.50 69.48 72.37 80.52 83.23 78.47 69.94 54.23 49.84 63.41
1930 35.81 54.46 61.32 65.93 66.48 73.83 81.03 82.48 74.27 64.45 52.57 46.26 63.24
1931 50.23 52.86 57.45 67.30 75.23 73.50 84.84 83.65 73.10 65.00 51.53 45.39 65.01
1932 45.97 49.24 55.13 61.57 66.71 78.50 76.52 79.90 79.53 67.45 55.27 43.58 63.28
1933 44.10 45.93 54.65 63.47 60.35 71.30 81.94 82.97 68.63 67.48 52.90 51.23 62.08
1934 51.61 56.64 63.16 66.83 68.29 72.40 76.84 80.55 73.70 65.71 53.13 46.65 64.63
1935 44.58 50.54 49.71 59.80 69.61 76.17 79.94 83.71 81.67 63.26 49.87 46.84 62.97
1936 49.90 44.62 54.77 65.87 71.16 75.17 80.23 82.39 77.47 72.13 55.30 48.32 64.78
1937 38.26 47.79 57.65 58.33 70.06 74.63 81.45 80.19 76.27 69.45 54.83 49.03 63.16
1938 46.84 50.96 55.65 64.27 71.48 77.87 86.19 79.71 79.47 64.71 50.93 50.26 64.86
1939 49.10 47.36 59.10 67.57 71.65 72.93 83.03 84.55 77.63 65.39 56.73 51.94 65.58
1940 49.10 53.10 60.48 65.07 74.84 81.00 80.16 84.19 75.37 66.77 51.73 50.39 66.02
1941 49.39 56.50 65.10 66.10 68.55 72.97 86.74 79.10 70.70 63.74 54.03 48.00 65.08
1942 43.45 51.64 57.00 64.80 66.90 72.40 83.00 84.13 79.73 68.84 53.53 50.00 64.62
1943 42.10 55.86 56.19 66.27 67.10 71.87 82.06 78.42 81.47 63.87 54.60 47.26 63.92
1944 47.29 51.97 57.52 60.83 68.84 73.80 81.52 82.16 81.10 70.48 52.30 46.42 64.52
1945 49.77 52.89 53.58 59.57 69.52 75.37 84.61 82.97 75.53 68.26 51.60 48.03 64.31
1946 47.26 50.39 56.19 63.07 72.84 71.37 81.26 83.19 74.47 60.55 52.10 47.87 63.38
1947 43.71 56.11 61.39 65.37 74.81 71.10 77.32 80.19 79.07 62.68 55.13 49.74 64.72
1948 49.55 48.86 53.90 56.13 66.19 78.13 78.97 77.00 75.60 62.65 51.00 43.10 61.76
1949 38.65 48.79 55.87 66.20 71.97 76.80 79.35 79.10 76.43 61.06 58.17 47.06 63.29
1950 36.77 49.54 53.00 60.63 68.81 74.13 82.94 85.90 78.27 60.29 54.57 53.71 63.21
1951 46.16 52.39 51.58 68.20 69.32 80.20 81.39 84.32 78.87 63.23 53.73 44.97 64.53
1952 45.00 50.93 53.32 65.63 69.66 b 69.83 84.00 81.06 80.63 71.94 46.30 47.35 63.81
1953 51.48 51.39 53.29 58.80 62.32 66.20 79.74 77.52 76.63 64.84 54.30 47.68 62.02
1954 45.58 50.75 53.65 59.43 68.23 66.87 76.13 75.97 72.37 63.29 55.93 46.77 61.25
1955 43.71 48.25 48.94 53.10 64.48 71.87 73.65 80.74 74.13 62.29 48.33 46.45 59.66
1956 46.39 41.55 51.26 62.20 69.87 68.60 82.77 79.74 76.47 61.16 50.50 45.03 61.30
1957 37.61 49.29 53.10 61.13 67.45 72.87 78.06 77.48 79.90 63.13 52.57 48.61 61.77
1958 47.23 54.39 53.87 58.63 73.03 73.70 86.03 86.74 75.43 67.55 53.47 51.03 65.09
1959 47.58 48.75 54.32 61.20 63.52 71.43 83.71 81.16 70.00 64.00 53.63 45.35 62.06
1960 41.29 49.07 53.32 59.27 62.00 75.20 85.19 78.00 75.70 65.32 52.83 45.65 61.90
1961 50.19 52.71 53.42 59.03 63.48 77.27 81.74 84.77 72.13 63.61 49.83 47.03 62.94
1962 43.81 48.75 51.42 62.50 59.48 72.60 80.48 78.23 76.07 61.74 54.40 47.29 61.40
1963 41.48 56.07 53.77 54.63 66.71 70.33 74.03 78.74 77.40 64.29 52.43 45.39 61.27
1964 47.03 49.86 51.71 57.03 62.97 69.00 78.45 77.16 73.30 66.26 48.07 45.58 60.54
1965 44.13 50.50 59.00 61.33 64.58 72.27 82.61 79.90 74.87 65.84 54.23 43.61 62.74
1966 45.00 48.86 52.55 62.97 69.13 73.73 78.55 81.58 76.03 64.23 53.93 49.13 62.97
1967 48.77 52.57 52.00 54.67 68.16 76.93 83.90 88.90 82.13 63.10 54.03 46.52 64.31
1968 45.52 56.50 a 56.55 58.87 64.77 72.77 81.35 76.16 72.70 61.77 52.93 44.32 62.02
1969 39.87 46.11 57.74 58.77 70.13 74.47 78.94 79.00 74.80 60.42 52.60 46.87 61.64
1970 45.74 54.29 55.65 55.90 66.65 77.43 82.19 81.81 71.97 63.10 54.03 45.13 62.82
1971 44.13 48.46 50.23 58.00 66.48 67.47 80.90 83.13 72.00 61.03 50.53 44.55 60.58
1972 44.52 50.55 56.71 55.43 68.97 73.13 84.84 84.87 72.73 65.16 53.57 42.10 62.71
1973 44.81 52.54 53.23 60.83 70.06 73.40 82.94 78.90 75.07 62.03 49.30 48.94 62.67
1974 43.61 47.32 53.97 57.53 63.61 74.60 77.52 82.16 83.63 68.10 53.43 48.94 62.87
1975 48.06 48.14 52.06 54.47 65.94 71.60 79.84 76.00 80.63 60.55 51.93 48.19 61.45
1976 47.39 49.31 52.19 57.30 67.06 69.90 79.13 76.10 76.53 66.45 55.57 43.58 61.71
1977 46.52 54.46 52.55 62.93 61.84 74.57 78.81 85.68 70.77 64.06 51.20 48.94 62.69
1978 46.61 51.68 59.19 57.83 63.55 75.03 80.68 80.03 69.93 67.13 48.93 42.97 61.96
1979 37.55 47.14 58.32 59.20 68.03 75.73 82.03 78.81 76.47 67.39 51.23 49.94 62.65
1980 44.84 50.83 53.81 62.03 64.87 67.87 80.58 79.35 76.47 67.10 54.27 48.55 62.55
1981 47.13 49.96 56.94 59.43 64.61 70.23 79.58 84.81 77.20 61.84 54.40 48.74 62.91
1982 42.97 49.32 54.42 57.67 68.13 74.30 77.84 81.03 74.00 64.29 49.53 46.77 61.69
1983 48.19 52.14 56.26 61.00 69.45 70.00 73.90 79.61 73.03 63.42 53.37 40.68 61.75
1984 48.68 52.14 57.90 57.20 63.65 69.70 81.06 81.29 74.60 59.03 51.23 43.77 61.69
1985 42.48 48.54 53.13 62.23 67.29 75.30 87.13 80.87 71.63 63.81 44.77 40.13 61.44
1986 49.58 50.04 60.16 59.17 65.74 77.43 76.39 87.19 71.20 65.32 53.93 46.03 63.52
1987 46.16 51.61 56.23 65.27 70.19 77.77 77.61 83.87 78.80 73.42 53.80 43.68 64.87
1988 44.74 52.07 56.32 60.93 64.16 71.63 82.42 82.45 78.37 68.23 52.63 45.77 63.31
1989 47.03 42.39 53.06 65.77 66.77 76.10 76.61 78.00 80.63 63.94 54.20 45.19 62.48
1990 48.61 46.89 57.65 64.07 65.06 71.63 84.74 82.16 78.17 61.84 53.13 40.16 62.84
1991 46.71 55.61 53.13 57.87 61.77 67.73 81.97 82.77 81.60 68.77 53.43 46.26 63.14
1992 49.45 56.07 62.10 63.77 74.35 79.70 82.03 85.45 74.90 65.90 52.03 44.58 65.86
1993 41.48 46.86 56.81 58.33 69.26 70.67 73.68 80.61 80.20 69.32 48.97 44.35 61.71
1994 49.48 48.96 59.39 62.10 68.71 71.57 84.81 81.90 79.77 64.00 47.73 48.23 63.89
1995 49.19 54.61 56.52 59.10 69.58 72.97 82.00 79.58 77.93 63.52 56.70 48.03 64.14
1996 47.39 49.90 56.65 61.70 63.52 73.37 85.35 83.52 73.40 62.61 52.70 47.61 63.14
1997 47.26 51.14 54.97 59.77 73.00 72.30 80.16 84.52 76.27 60.42 56.03 45.19 63.42
1998 49.48 52.57 56.48 60.77 62.94 73.20 83.74 84.35 80.70 63.35 53.60 45.03 63.85
1999 47.29 48.75 52.39 60.53 63.97 70.93 79.74 80.94 80.37 67.39 56.23 48.35 63.07
2000 45.81 50.45 53.77 63.43 66.58 76.33 79.77 81.71 76.10 65.35 50.07 46.84 63.02
2001 47.90 50.96 56.77 58.43 70.58 71.20 79.74 82.19 78.00 64.58 54.37 47.10 63.49
2002 46.39 52.21 52.45 61.03 64.65 74.13 83.90 83.35 78.90 65.71 55.37 49.45 63.96
2003 51.77 52.61 56.45 57.93 67.10 78.07 86.52 83.39 80.03 67.87 50.70 47.52 65.00
2004 ----- z 51.48 ----- z ----- z 68.55 75.40 85.55 84.42 73.00 64.81 50.77 48.10 66.90
2005 48.39 52.07 59.90 60.83 67.94 69.70 83.19 86.42 76.43 63.94 51.20 45.32 63.78
2006 49.52 50.64 53.10 62.67 70.16 75.43 85.48 83.68 79.37 66.32 53.30 46.45 64.68
2007 45.55 51.36 59.13 61.00 67.97 73.67 83.06 81.29 75.63 60.65 52.27 46.32 63.16
2008 42.84 51.52 52.35 56.47 66.81 71.23 83.55 81.74 77.57 63.84 55.20 44.71 62.32
2009 46.61 49.96 52.48 60.20 68.97 74.20 85.61 82.58 78.43 62.26 53.30 43.19 63.15
2010 50.90 54.07 55.84 58.97 63.06 69.47 82.16 82.45 74.33 64.74 52.57 49.65 63.18
2011 48.35 48.82 53.65 56.37 62.58 70.63 ----- z 83.03 81.07 63.06 52.00 44.10 a 60.33
2012 48.23 51.10 51.52 61.57 66.52 70.30 79.81 84.77 79.43 66.06 54.03 47.65 63.42
2013 41.32 50.68 56.00 i ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 46.00
Period of Record Statistics
MEAN 45.70 50.32 55.14 60.92 67.23 73.17 81.00 81.45 75.60 64.51 52.75 46.61 62.89
S.D. 3.48 3.25 3.29 3.55 3.43 3.19 3.33 2.95 3.62 2.89 2.41 2.67 1.39
SKEW -0.83 -0.44 0.52 0.23 0.16 0.42 -0.15 -0.33 -0.13 0.25 -0.59 -0.16 -0.08
MAX 51.77 56.64 65.10 72.00 75.23 83.00 88.39 88.90 84.97 73.42 58.17 53.71 66.31
MIN 35.81 40.71 47.90 52.97 59.48 66.20 73.65 71.39 64.40 55.29 44.77 39.10 58.84
NO YRS 122 124 122 122 124 123 120 121 122 121 121 122 110