FOREST GROVE, OREGON

Monthly Average Maximum Temperature (Degrees Fahrenheit)

(352997)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201304
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
1893 37.87 41.54 50.87 55.37 66.90 68.50 78.61 ----- z 66.44 u 57.00 a 51.40 47.55 55.56
1894 42.84 42.00 50.42 57.93 65.80 a 67.70 j ----- z ----- z ----- z 61.32 54.47 43.37 a 52.27
1895 41.10 48.96 d 55.94 62.80 66.97 ----- z ----- z ----- z ----- z 69.45 50.53 44.23 55.00
1896 45.45 51.66 54.65 55.40 62.00 74.03 ----- z ----- z 75.30 67.81 43.97 48.58 57.88
1897 44.29 49.25 48.10 67.17 75.26 73.40 ----- z ----- z 70.69 a 65.65 49.90 47.71 59.14
1898 42.58 50.75 53.52 63.87 69.68 ----- z ----- z ----- z ----- z 62.39 52.50 l 41.10 54.84
1899 45.26 45.14 51.55 58.37 60.23 ----- z ----- z ----- z ----- z 59.55 b 56.07 46.48 52.83
1900 48.26 46.43 61.16 63.37 66.23 76.12 m ----- z ----- z ----- z 60.35 52.17 48.65 55.83
1901 44.55 48.56 c 56.81 60.00 68.00 ----- z ----- z ----- z ----- z 70.74 54.00 45.97 56.08
1902 45.65 51.65 b 53.20 a 59.60 66.70 d ----- z ----- z ----- z ----- z 68.10 50.73 45.03 55.08
1903 47.19 49.21 54.65 58.77 67.42 76.93 78.16 78.03 74.03 65.97 51.27 49.94 62.63
1904 44.77 45.52 49.03 66.67 72.10 81.07 82.55 85.45 78.30 68.00 56.30 48.00 c 64.81
1905 45.90 a 56.54 ----- z 70.11 u 66.10 73.27 84.74 81.19 73.50 59.97 53.90 43.68 63.88
1906 47.00 52.07 53.55 69.70 68.45 70.53 88.55 84.79 b 74.86 b 63.32 51.67 46.23 64.23
1907 40.61 c 52.54 52.80 a 61.63 72.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 55.92
1908 48.42 50.31 54.68 63.40 65.35 ----- z ----- z 87.92 g 75.17 61.00 a 55.57 43.61 57.50
1909 39.48 47.50 56.87 61.93 67.32 76.03 80.35 84.47 p 77.94 l 63.48 50.70 41.42 58.51
1910 40.84 45.21 61.74 64.13 73.42 ----- z ----- z ----- z ----- z 67.23 51.37 47.95 k 57.71
1911 41.61 46.71 62.16 62.30 64.58 ----- z 88.58 83.61 69.57 64.68 55.33 47.03 62.38
1912 47.26 54.28 56.48 59.20 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 54.30
1913 39.12 e 46.30 r 53.97 59.38 a 68.42 73.89 c 80.16 ----- z ----- z ----- z ----- z ----- z 62.49
1914 ----- z ----- z 61.26 h ----- 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 72.53 74.16 81.52 75.10 64.94 49.27 41.29 65.54
1917 45.32 47.14 48.81 56.13 64.19 75.20 85.87 88.26 73.20 69.55 57.20 50.81 63.47
1918 48.84 46.11 54.00 65.03 66.68 82.50 82.94 81.10 82.57 63.19 50.20 45.39 64.04
1919 46.26 47.00 56.00 62.57 67.26 73.40 84.77 84.65 75.30 59.87 48.63 37.39 61.92
1920 45.16 51.07 52.23 56.37 66.81 74.20 82.48 84.61 70.30 59.71 51.83 45.58 61.70
1921 44.94 50.14 55.58 59.83 68.68 74.97 81.00 82.55 71.60 66.19 53.83 42.90 62.68
1922 39.74 45.07 50.06 58.53 68.61 81.13 85.29 81.10 76.27 62.62 b 48.07 38.74 61.27
1923 44.23 43.96 56.55 63.37 67.87 74.13 80.71 84.65 77.63 66.10 56.77 44.52 63.37
1924 42.32 52.69 55.06 64.60 76.35 79.00 82.23 80.16 75.57 60.90 49.17 39.26 63.11
1925 47.29 50.32 56.52 64.17 74.29 76.17 85.32 79.77 74.73 66.23 49.03 49.06 64.41
1926 45.84 52.96 63.55 72.80 68.87 80.47 85.77 81.74 71.90 65.55 54.23 43.65 65.61
1927 42.65 49.89 54.00 61.53 64.42 76.03 81.94 83.68 71.27 62.45 52.77 41.48 61.84
1928 42.16 50.31 57.16 58.03 75.97 72.20 82.42 82.94 73.37 61.10 50.73 42.77 62.43
1929 39.90 42.11 54.65 57.60 70.00 73.37 82.77 85.03 78.85 c 67.68 51.10 47.87 62.58
1930 31.97 50.75 60.19 65.03 65.13 73.90 81.03 85.00 74.53 62.29 50.50 43.42 61.98
1931 48.16 50.68 55.93 a 65.80 75.71 74.80 84.74 85.26 72.77 64.23 48.10 42.03 64.02
1932 41.87 46.76 53.61 61.33 68.61 79.87 78.74 81.23 81.43 64.10 52.57 41.13 62.60
1933 41.55 43.18 52.61 63.53 61.61 73.27 82.68 84.35 68.83 65.97 50.60 48.84 61.42
1934 50.48 55.86 63.97 71.37 72.19 76.60 80.97 85.52 75.27 65.42 52.23 46.68 66.38
1935 43.26 51.04 49.74 61.93 72.26 78.67 82.68 85.00 80.80 60.10 47.10 44.90 63.12
1936 47.03 39.55 53.16 65.20 72.65 74.93 80.19 84.19 76.90 68.26 52.50 45.42 63.33
1937 34.10 45.57 55.84 57.30 70.32 76.30 82.55 80.16 76.23 66.26 53.23 47.55 62.12
1938 45.03 48.07 53.03 63.67 72.13 80.00 87.81 81.10 80.27 62.73 a 47.83 46.80 a 64.04
1939 46.00 45.04 58.29 66.50 72.42 73.17 84.39 84.97 77.10 a 62.61 52.77 48.45 64.31
1940 46.10 50.59 58.45 63.52 a 74.16 81.67 81.65 85.65 75.50 63.00 48.50 46.68 64.62
1941 47.81 55.07 63.58 65.77 68.81 73.27 87.23 80.52 68.97 61.65 52.80 46.84 64.36
1942 40.03 49.04 55.97 63.17 66.58 72.07 82.87 84.13 78.43 64.32 48.97 46.32 62.66
1943 39.94 52.57 53.97 65.20 67.45 72.90 82.65 78.03 81.13 61.55 52.67 45.42 62.79
1944 44.71 49.83 55.81 60.77 70.06 75.10 83.23 81.13 78.23 66.03 50.27 43.68 63.24
1945 47.55 50.64 51.84 59.20 70.84 74.80 84.55 84.29 72.90 63.03 49.37 44.32 62.78
1946 44.23 47.68 54.55 61.87 73.19 71.57 81.03 84.10 73.67 58.06 49.67 46.35 62.16
1947 40.97 53.96 60.16 66.13 76.06 71.60 79.48 79.68 77.53 59.94 51.83 46.19 63.63
1948 45.26 46.38 52.52 56.03 67.06 80.20 79.39 76.06 74.37 61.23 50.20 41.35 60.84
1949 36.68 47.00 54.35 65.53 72.29 76.23 80.52 81.61 80.17 59.77 57.86 b 45.35 63.11
1950 34.84 46.71 51.84 59.67 68.71 74.97 82.81 85.39 79.13 59.61 52.53 52.13 62.36
1951 44.61 49.96 50.48 69.37 70.39 80.13 83.97 a 82.87 80.53 62.35 52.03 43.13 64.15
1952 41.29 47.21 a 53.10 66.07 71.57 a 71.76 a 85.52 81.55 80.87 75.06 50.30 47.06 64.28
1953 51.90 51.93 53.39 58.27 64.03 66.53 78.94 78.71 77.14 a 66.42 56.30 47.77 62.61
1954 42.84 50.93 54.39 60.87 70.94 69.70 76.29 74.87 72.33 63.61 54.73 47.00 b 61.54
1955 42.70 a 47.79 49.39 55.07 65.06 73.87 74.43 a 80.84 74.93 61.61 47.20 44.77 59.81
1956 45.52 41.00 51.84 65.83 74.26 70.30 84.35 81.06 75.23 59.35 50.90 45.39 62.09
1957 37.06 49.50 54.74 64.13 71.58 74.07 a 78.29 77.45 81.70 62.37 a 52.30 48.74 62.66
1958 49.77 55.04 55.39 62.07 76.06 77.23 87.74 86.94 75.23 68.77 53.23 51.39 66.57
1959 47.23 49.36 54.84 63.20 66.61 73.50 83.90 81.45 72.27 66.13 54.73 48.43 a 63.47
1960 40.94 50.07 55.23 61.20 64.10 77.67 86.23 79.10 78.53 67.74 53.97 48.29 63.59
1961 51.52 52.86 55.68 61.00 67.74 81.53 85.26 88.29 75.40 66.06 51.47 47.61 65.37
1962 45.42 52.00 53.74 63.93 62.58 75.37 82.74 79.77 80.00 65.58 56.20 50.48 63.99
1963 42.58 57.57 55.29 58.83 70.23 72.27 75.10 80.35 79.60 64.84 53.27 47.29 63.10
1964 47.55 52.72 54.32 60.33 66.71 71.73 79.68 78.48 75.67 68.77 50.53 44.55 62.59
1965 47.26 51.96 61.35 65.73 67.13 77.00 86.29 82.94 77.43 69.87 54.87 43.58 65.45
1966 46.39 50.50 55.45 65.37 73.58 75.63 80.44 d 83.97 78.37 66.65 54.63 49.03 65.00
1967 48.35 54.04 52.84 57.87 70.48 80.23 85.81 92.65 84.77 64.58 55.60 46.58 66.15
1968 46.03 57.86 58.13 61.27 69.29 75.27 84.52 78.35 76.47 62.19 53.27 42.97 63.80
1969 38.00 47.43 59.74 60.57 73.67 a 79.50 81.65 81.35 76.90 62.87 53.67 47.19 63.54
1970 46.39 56.29 57.59 b 58.03 70.81 81.23 85.65 85.97 73.97 65.42 53.53 44.94 64.98
1971 44.71 50.11 51.52 61.20 71.10 69.70 84.55 86.65 74.27 62.74 52.30 44.45 62.77
1972 44.81 50.14 58.00 57.43 73.97 76.30 86.32 87.94 74.50 67.26 54.63 42.52 64.48
1973 44.06 53.61 55.68 63.90 72.94 75.67 85.84 81.74 79.27 63.74 49.20 49.71 64.61
1974 44.94 49.29 56.97 60.73 66.10 79.70 81.10 86.10 86.73 72.03 55.50 49.32 65.71
1975 47.90 48.50 54.84 58.57 70.10 a 74.47 83.39 78.13 83.50 60.39 51.83 48.87 63.37
1976 48.81 50.93 54.03 61.20 71.06 72.83 a 79.87 76.10 76.30 67.35 58.17 45.42 63.51
1977 45.87 54.86 52.39 64.73 63.19 76.47 78.16 85.94 70.37 63.74 51.23 48.55 62.96
1978 46.32 51.64 58.39 58.63 63.48 75.97 80.68 79.10 68.40 66.97 46.67 41.55 61.48
1979 36.06 45.79 58.23 58.87 68.23 75.30 80.61 77.58 74.77 66.48 51.47 49.74 61.93
1980 41.81 49.34 53.45 62.97 65.81 67.30 80.19 78.61 75.47 66.77 52.93 48.29 61.91
1981 50.94 49.68 57.68 59.87 65.04 d 69.73 78.77 86.06 75.80 61.97 54.63 46.97 63.09
1982 41.55 48.07 54.29 56.97 68.71 76.33 77.29 81.16 75.33 62.77 50.17 44.87 61.46
1983 48.77 52.04 56.06 62.83 70.42 69.93 75.71 79.77 72.47 63.81 53.00 39.10 a 61.99
1984 47.74 51.62 57.39 57.60 63.77 70.97 81.90 81.94 72.73 58.71 50.37 42.42 61.43
1985 44.00 47.68 54.03 62.57 68.00 75.07 88.65 81.00 71.07 62.71 43.57 42.10 61.70
1986 49.87 51.30 a 60.87 59.83 66.71 78.83 75.97 88.16 71.43 68.48 52.70 46.39 64.21
1987 46.16 ----- z 56.68 66.07 ----- z ----- z 78.06 84.32 80.79 a ----- z 56.23 43.29 63.95
1988 44.97 53.43 a 57.19 61.33 65.81 72.80 82.48 82.32 78.13 68.97 52.23 46.68 63.86
1989 47.68 43.32 52.81 67.53 69.84 78.20 77.06 78.61 81.20 64.39 54.80 46.90 63.53
1990 48.58 48.68 59.03 65.47 65.74 71.73 84.58 82.10 76.03 60.81 52.40 38.81 62.83
1991 45.23 56.11 55.58 61.03 65.10 71.87 86.32 86.74 80.60 67.84 52.13 46.45 64.58
1992 49.23 57.79 65.23 65.87 78.97 83.23 85.65 88.52 78.03 69.00 53.23 45.19 68.33
1993 41.81 49.93 58.13 61.77 74.39 74.87 75.16 84.61 84.13 69.90 46.87 44.97 63.88
1994 48.65 47.50 60.61 64.83 73.74 76.77 89.26 85.06 82.47 64.68 46.07 46.16 65.48
1995 48.16 56.46 57.13 61.07 76.16 76.40 86.61 82.71 79.77 64.00 57.13 46.84 66.04
1996 44.58 48.10 57.19 61.70 63.58 75.10 87.65 84.13 73.27 63.81 51.03 46.13 63.02
1997 45.48 51.32 55.23 61.87 75.48 73.20 82.03 85.42 78.00 62.61 57.47 46.58 64.56
1998 47.84 52.93 57.58 62.47 64.26 76.73 85.19 84.81 83.17 64.16 52.37 45.06 64.71
1999 47.19 49.46 53.39 61.50 66.52 71.30 83.42 82.42 82.07 68.13 58.17 50.23 64.48
2000 46.32 51.52 54.23 64.37 66.58 76.13 78.52 79.13 73.00 61.32 46.87 46.65 62.05
2001 48.94 51.29 57.32 59.83 71.87 71.27 78.19 83.58 80.03 64.32 53.03 a 44.06 63.65
2002 45.45 51.64 53.32 63.97 66.90 78.30 86.55 85.35 79.77 66.06 56.50 48.77 65.22
2003 52.45 54.07 56.35 58.97 68.19 79.30 86.81 83.55 80.03 68.29 50.90 47.13 65.50
2004 43.26 52.55 62.74 67.27 70.23 78.10 87.29 86.39 74.33 66.97 52.13 49.35 65.88
2005 50.03 56.18 61.55 61.50 70.03 71.60 82.68 86.55 74.83 62.10 52.37 44.16 64.46
2006 48.77 49.57 52.84 62.60 69.81 74.57 83.71 81.55 78.77 65.10 50.93 44.29 63.54
2007 43.52 50.39 56.74 59.67 68.58 72.03 80.65 78.81 73.37 59.84 51.73 43.35 61.56
2008 42.00 50.41 51.32 55.00 66.55 ----- z 80.19 80.52 76.90 62.29 53.63 41.35 60.02
2009 44.71 48.86 50.84 59.97 69.35 73.37 85.32 80.39 76.90 61.26 51.53 41.58 62.01
2010 49.42 53.18 55.77 57.33 62.87 68.07 80.29 80.35 72.80 64.29 49.33 46.94 61.72
2011 45.26 45.61 50.61 54.97 61.39 69.00 75.65 80.74 78.70 61.48 49.13 43.81 59.70
2012 45.62 e 48.97 49.29 60.52 a 66.65 68.87 78.29 82.42 78.73 63.69 b 51.57 52.33 y 63.15
2013 40.90 49.00 55.16 73.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 48.35
Period of Record Statistics
MEAN 44.71 49.91 55.39 61.86 68.91 74.91 82.32 82.61 76.46 64.33 52.06 45.58 63.42
S.D. 3.81 3.67 3.47 3.53 3.85 3.58 3.54 3.18 3.78 3.26 2.91 2.92 1.52
SKEW -0.72 -0.23 0.48 0.30 0.20 0.12 -0.27 0.13 0.17 0.34 -0.23 -0.37 0.31
MAX 52.45 57.86 65.23 72.80 78.97 83.23 89.26 92.65 86.73 75.06 58.17 52.13 68.33
MIN 31.97 39.55 48.10 54.97 60.23 66.53 74.16 74.87 68.40 57.00 43.57 37.39 59.70
NO YRS 118 116 117 116 115 104 105 102 105 114 114 113 96