CORVALLIS WATER BUREAU, OREGON

Monthly Average Temperature (Degrees Fahrenheit)

(351877)

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
1936 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1937 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1938 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1939 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1940 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1941 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1942 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1943 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1944 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
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 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1948 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1949 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1950 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1951 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1952 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1953 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1954 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1955 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1956 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1957 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1958 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1959 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1960 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1961 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1962 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1963 ----- z ----- z ----- z ----- z ----- z 59.38 d 60.65 65.15 65.22 53.34 45.45 39.74 55.56
1964 40.23 41.33 42.95 47.63 50.53 58.42 65.58 a 64.19 59.55 54.57 a 41.28 39.32 a 50.47
1965 38.77 c 42.75 47.44 51.13 52.18 a 59.22 66.24 65.79 60.58 55.24 47.32 36.48 a 51.93
1966 38.52 40.52 44.58 51.12 55.21 60.29 a 64.21 66.79 62.78 52.44 46.02 42.40 52.07
1967 41.94 42.70 42.66 45.38 54.58 62.50 68.31 71.39 66.45 53.11 46.55 39.21 52.90
1968 39.42 46.43 48.78 a 47.78 52.85 59.47 a 64.89 62.74 60.23 51.00 45.52 38.25 a 51.45
1969 34.98 38.32 46.26 48.82 57.66 62.97 63.03 63.39 61.03 49.94 44.78 41.93 b 51.09
1970 40.67 b 44.09 45.62 a 46.07 54.31 63.08 64.90 64.31 57.95 50.94 44.18 37.48 51.13
1971 37.76 39.75 40.87 46.40 53.40 55.85 64.45 66.50 57.67 49.19 42.55 38.10 49.37
1972 37.42 41.81 47.23 44.18 56.00 59.93 67.71 67.84 58.72 51.84 44.83 35.00 51.04
1973 36.35 43.50 43.90 49.32 55.39 61.17 a 63.97 61.05 60.22 50.53 41.28 42.32 50.75
1974 35.50 39.39 44.11 46.94 f 51.44 60.62 63.29 66.21 65.40 53.62 b 45.12 42.34 51.55
1975 42.35 a 40.71 42.37 44.70 54.47 58.45 64.56 62.18 63.37 51.07 a 43.05 41.58 50.74
1976 40.06 40.45 42.03 46.48 53.77 56.52 63.68 63.05 62.40 53.42 45.95 a 37.39 50.43
1977 37.34 44.05 42.92 49.97 50.27 a 60.63 62.71 67.98 58.30 52.94 43.18 42.18 51.04
1978 40.97 44.34 48.29 48.85 52.60 a 62.02 64.90 64.58 58.38 54.55 40.02 35.16 51.22
1979 30.85 40.32 47.66 49.03 56.18 60.87 65.58 63.73 62.43 56.18 42.85 42.35 51.50
1980 35.92 42.60 44.18 50.27 53.26 56.27 64.48 61.74 60.82 53.47 44.88 41.56 50.79
1981 40.68 41.80 45.40 48.82 52.94 57.70 63.58 67.06 60.72 50.73 45.12 42.15 51.39
1982 36.50 40.38 43.73 45.07 54.47 61.53 62.71 64.31 60.03 51.31 39.93 38.55 49.88
1983 40.85 43.46 46.48 48.12 55.45 56.80 61.27 64.55 57.97 51.39 45.75 34.92 50.58
1984 40.39 42.52 47.82 47.13 52.15 56.97 64.74 63.66 58.67 48.95 42.58 35.60 50.10
1985 34.11 38.32 42.00 50.45 53.34 60.80 67.97 63.35 56.53 50.77 36.52 31.58 48.81
1986 40.53 42.34 47.97 47.28 53.02 61.92 60.05 66.32 55.92 51.39 44.87 36.77 50.70
1987 37.42 42.16 44.39 50.15 55.69 60.98 62.10 64.98 60.72 55.52 44.97 37.03 51.34
1988 37.03 41.62 44.21 49.18 51.85 57.57 64.21 63.65 59.82 55.55 44.92 38.13 50.64
1989 39.15 33.18 42.58 52.62 53.92 60.98 61.31 62.15 62.55 50.45 44.92 37.74 50.13
1990 40.61 37.89 45.82 51.45 52.65 59.00 66.84 65.95 62.65 49.37 43.98 31.92 50.68
1991 36.60 46.39 41.79 47.28 50.58 55.30 65.39 64.79 63.05 52.84 44.77 39.15 50.66
1992 41.37 45.48 48.71 52.00 59.50 62.40 65.50 65.52 58.55 51.97 43.73 38.03 52.73
1993 35.11 38.54 46.74 48.73 57.19 58.95 60.60 64.76 61.17 53.65 38.23 37.26 50.08
1994 41.29 39.11 46.11 49.38 55.68 57.37 65.84 63.53 63.28 51.11 39.73 40.40 51.07
1995 42.34 45.84 44.94 48.02 56.77 60.17 66.48 63.19 63.15 50.85 48.77 40.66 52.60
1996 40.74 40.36 45.39 49.95 51.48 58.40 67.53 65.82 58.07 49.97 43.35 40.05 50.93
1997 38.92 40.73 44.21 47.47 58.27 58.23 63.89 66.19 61.13 49.97 45.93 37.77 51.06
1998 42.00 42.91 46.27 48.52 53.52 60.23 67.42 66.34 63.30 51.13 45.32 38.37 52.11
1999 41.13 41.20 43.08 48.38 51.92 57.98 63.26 65.39 61.62 52.52 47.40 40.68 51.21
2000 38.00 42.03 43.03 50.88 54.40 61.83 63.77 64.32 60.50 52.15 40.22 39.02 50.85
2001 39.29 40.71 45.81 46.83 56.44 57.50 62.85 64.06 61.22 51.82 46.38 40.19 51.09
2002 40.39 42.41 42.45 49.72 53.11 60.18 66.55 ----- z 62.90 52.50 45.17 41.63 50.64
2003 44.08 42.62 47.79 48.23 55.11 63.77 68.58 67.10 63.75 55.73 41.87 41.06 53.31
2004 39.03 42.64 49.48 52.20 56.53 61.63 68.65 68.16 60.55 53.94 43.20 41.82 53.15
2005 40.69 41.27 48.97 50.03 57.15 58.90 67.66 68.15 60.72 53.26 41.70 37.76 52.19
2006 42.61 40.25 43.48 50.70 56.85 62.98 68.73 66.10 62.75 52.45 44.02 38.29 52.43
2007 36.58 42.68 47.81 48.58 55.53 59.37 68.06 66.00 60.78 50.27 42.73 39.06 51.46
2008 35.26 41.31 42.61 45.63 55.76 57.78 65.98 65.26 60.85 50.18 45.10 34.77 50.04
2009 36.31 38.39 40.18 46.70 54.06 59.23 66.06 63.26 59.53 47.97 40.32 31.23 48.60
2010 40.16 40.64 46.06 48.33 53.03 58.72 65.56 65.02 61.25 53.56 43.87 41.65 51.49
2011 40.35 39.68 44.21 45.72 51.55 58.37 63.18 67.02 a 65.13 53.11 41.82 36.35 50.54
2012 38.84 41.10 41.34 49.54 e 53.98 56.94 f 63.48 66.90 62.97 53.40 45.03 a 39.47 50.55
2013 33.97 39.87 a 46.59 o ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 36.92
Period of Record Statistics
MEAN 38.83 41.46 44.95 48.55 54.24 59.62 64.86 65.13 61.07 52.14 43.74 38.64 51.08
S.D. 2.69 2.37 2.39 2.04 2.13 2.08 2.25 1.96 2.32 1.91 2.45 2.85 1.01
SKEW -0.59 -0.45 0.07 -0.13 0.20 0.00 -0.12 0.47 0.06 0.15 -0.73 -0.73 -0.03
MAX 44.08 46.43 49.48 52.62 59.50 63.77 68.73 71.39 66.45 56.18 48.77 42.40 53.31
MIN 30.85 33.18 40.18 44.18 50.27 55.30 60.05 61.05 55.92 47.97 36.52 31.23 48.60
NO YRS 50 50 49 48 49 49 50 49 50 50 50 50 46