FOREST GROVE, OREGON

Monthly Total Cooling Degree Days

(352997)

Base Temperature = 65 F

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.
Months with 5 missing days or less use mean for missing day(s)
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 0.00 0.00 0.00 0.00 0.00 0.00 25.50 0.00 z 0.00 u 0.00 a 0.00 0.00 25.50
1894 0.00 0.00 0.00 0.00 27.38 a 12.50 k 0.00 z 0.00 z 0.00 z 0.00 b 0.00 0.00 a 27.38
1895 0.00 0.00 d 0.00 0.00 5.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 0.00 5.00
1896 0.00 0.00 0.00 0.00 2.00 30.00 0.00 z 0.00 z 45.00 0.00 0.00 0.00 77.00
1897 0.00 0.00 0.00 13.50 56.00 32.50 0.00 z 0.00 z 12.41 a 0.00 0.00 0.00 114.41
1898 0.00 0.00 0.00 1.50 3.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 l 0.00 5.00
1899 0.00 0.00 0.00 a 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 b 0.00 0.00 0.00
1900 0.00 0.00 0.00 0.00 0.50 17.50 m 0.00 z 0.00 z 0.00 z 0.00 0.00 0.00 0.50
1901 0.00 0.00 c 0.00 b 0.00 14.50 0.00 z 0.00 z 0.00 z 0.00 z 4.00 0.00 0.00 18.50
1902 0.00 0.00 b 0.00 a 0.00 8.61 d 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 0.00 8.61
1903 0.00 0.00 0.00 0.00 4.50 52.00 32.00 21.50 1.00 0.00 0.00 0.00 111.00
1904 0.00 0.00 0.00 3.50 7.50 68.50 86.50 90.00 23.50 12.50 0.00 0.00 c 292.00
1905 0.00 a 0.00 0.00 z 0.00 u 5.50 2.00 112.50 60.00 5.50 0.00 0.00 0.00 185.50
1906 0.00 0.00 0.00 0.50 1.00 3.50 179.50 73.76 b 20.36 b 0.00 0.00 0.00 278.62
1907 0.00 c 0.00 0.00 a 0.00 5.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 5.00
1908 0.00 0.00 0.00 0.00 0.00 0.00 z 0.00 z 60.00 g 28.00 0.00 a 0.00 0.00 28.00
1909 0.00 0.00 0.00 0.00 14.00 2.50 37.00 26.00 p 9.00 l 0.00 0.00 0.00 53.50
1910 0.00 b 0.00 0.00 2.50 4.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 0.00 k 7.00
1911 0.00 0.00 0.00 0.00 1.50 0.00 z 177.50 54.50 3.00 0.00 0.00 0.00 236.50
1912 0.00 0.00 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1913 0.00 e 0.00 r 0.00 0.00 a 20.50 24.44 c 101.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 145.94
1914 0.00 z 0.00 z 1.50 h 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1915 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1916 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 29.50 9.00 134.50 9.50 0.00 0.00 0.00 182.50
1917 0.00 0.00 0.00 0.00 0.00 20.50 131.50 169.00 17.50 6.50 0.00 0.00 345.00
1918 0.00 0.00 0.00 0.00 0.00 79.50 93.00 101.00 89.00 0.00 0.00 0.00 362.50
1919 0.00 0.00 0.00 0.00 2.00 4.00 125.00 104.00 15.50 0.00 0.00 0.00 250.50
1920 0.00 0.00 0.00 0.00 0.00 21.50 74.50 147.50 7.00 0.00 0.00 0.00 250.50
1921 0.00 0.00 0.00 0.00 5.50 23.00 28.00 57.00 0.00 0.00 0.00 0.00 113.50
1922 0.00 0.00 0.00 0.00 24.00 46.00 106.50 73.00 32.50 0.00 b 0.00 0.00 282.00
1923 0.00 0.00 0.00 0.00 3.50 35.00 75.50 126.00 31.50 2.50 0.00 0.00 274.00
1924 0.00 0.00 0.00 0.00 13.00 48.50 67.50 47.50 33.00 0.00 0.00 0.00 209.50
1925 0.00 0.00 0.00 0.00 16.50 50.50 110.50 64.50 14.00 0.00 0.00 0.00 256.00
1926 0.00 0.00 0.00 12.00 0.50 85.00 118.50 58.00 8.00 0.00 0.00 0.00 282.00
1927 0.00 0.00 0.00 0.00 1.50 25.50 83.50 107.00 11.50 0.00 0.00 0.00 229.00
1928 0.00 0.00 0.00 0.00 21.00 7.50 110.50 59.50 6.50 0.00 0.00 0.00 205.00
1929 0.00 0.00 0.00 0.00 0.00 15.50 66.00 81.50 22.78 c 0.50 0.00 0.00 186.28
1930 0.00 0.00 0.00 0.00 0.00 7.00 56.50 108.50 36.00 0.00 0.00 0.00 208.00
1931 0.00 0.00 0.00 a 1.50 31.50 26.00 103.00 98.00 32.50 0.00 0.00 0.00 292.50
1932 0.00 0.00 0.00 0.00 0.00 82.00 24.00 116.50 50.50 11.00 0.00 0.00 284.00
1933 0.00 0.00 0.00 0.00 0.00 14.00 74.50 134.00 1.00 0.00 0.00 0.00 223.50
1934 0.00 0.00 0.00 4.00 7.50 32.50 60.50 129.00 45.50 2.00 0.00 0.00 281.00
1935 0.00 0.00 0.00 0.00 3.00 64.00 134.00 115.00 52.50 0.00 0.00 0.00 368.50
1936 0.00 0.00 0.00 0.00 23.50 23.50 38.50 75.50 12.93 a 3.50 0.00 0.00 177.43
1937 0.00 0.00 0.00 0.00 2.00 51.00 94.50 63.50 48.50 0.00 0.00 0.00 259.50
1938 0.00 0.00 0.00 0.00 17.50 57.50 182.50 36.50 60.00 0.00 a 0.00 0.00 a 354.00
1939 0.00 0.00 0.00 0.00 11.50 13.50 143.00 128.50 35.69 a 0.00 0.00 0.00 332.19
1940 0.00 0.00 0.00 0.00 a 14.50 86.00 64.00 131.50 28.00 2.50 0.00 0.00 326.50
1941 0.00 0.00 0.00 0.00 19.50 21.50 181.50 104.50 1.50 0.00 0.00 0.00 328.50
1942 0.00 0.00 0.00 0.00 3.50 26.50 121.00 147.50 16.50 0.00 0.00 0.00 315.00
1943 0.00 0.00 0.00 0.00 5.50 20.50 86.00 23.00 63.00 3.00 0.00 0.00 201.00
1944 0.00 0.00 0.00 0.00 2.50 28.50 105.50 67.00 63.50 0.00 0.00 0.00 267.00
1945 0.00 0.00 0.00 0.00 9.00 49.50 135.00 114.50 13.00 0.00 0.00 0.00 321.00
1946 0.00 0.00 0.00 0.00 1.50 24.50 94.50 107.00 11.50 0.00 0.00 0.00 239.00
1947 0.00 0.00 0.00 3.00 33.50 7.00 34.00 41.00 37.50 0.00 0.00 0.00 156.00
1948 0.00 0.00 0.00 0.00 5.00 91.50 61.50 32.00 36.50 0.00 0.00 0.00 226.50
1949 0.00 0.00 0.00 0.00 13.00 36.00 69.50 75.00 42.50 0.00 0.00 b 0.00 236.00
1950 0.00 0.00 0.00 0.00 3.00 33.00 88.50 141.50 45.00 0.00 0.00 0.00 311.00
1951 0.00 0.00 0.00 0.00 6.00 64.00 105.92 a 76.50 56.50 0.00 0.00 0.00 308.92
1952 0.00 0.00 a 0.00 0.00 10.33 a 5.69 a 133.00 90.00 64.50 8.50 0.00 0.00 312.02
1953 0.00 0.00 0.00 0.00 4.50 1.50 55.00 53.50 29.48 a 3.50 0.00 0.00 147.48
1954 0.00 0.00 0.00 0.00 3.50 5.00 6.50 11.50 9.50 0.00 0.00 0.00 b 36.00
1955 0.00 a 0.00 0.00 0.00 1.50 36.00 23.25 a 40.50 48.00 0.00 0.00 0.00 149.25
1956 0.00 0.00 0.00 1.00 32.00 6.50 141.50 79.00 8.00 0.00 0.00 0.00 268.00
1957 0.00 0.00 0.00 11.90 a 16.50 16.03 a 18.50 4.50 53.50 0.00 a 0.00 0.00 120.93
1958 0.00 0.00 0.00 0.00 29.00 91.50 167.50 138.00 41.00 3.50 0.00 0.00 470.50
1959 0.00 0.00 0.00 0.00 1.50 29.50 150.50 58.50 10.50 0.00 0.00 0.00 b 250.50
1960 0.00 0.00 0.00 0.00 0.00 33.50 151.00 81.50 40.00 3.00 0.00 0.00 309.00
1961 0.00 0.00 0.00 0.00 5.50 123.00 154.50 198.50 14.50 5.50 0.00 0.00 501.50
1962 0.00 0.00 0.00 0.50 0.00 20.50 100.00 58.00 33.00 0.00 0.00 0.00 212.00
1963 0.00 0.00 0.00 0.00 21.00 43.00 20.00 79.00 62.00 0.00 0.00 0.00 225.00
1964 0.00 0.00 0.00 0.00 2.00 1.50 89.50 66.50 8.00 0.00 0.00 0.00 167.50
1965 0.00 0.00 0.00 0.00 0.00 20.50 159.00 130.50 9.00 1.50 0.00 0.00 320.50
1966 0.00 0.00 0.00 0.00 19.50 33.50 75.20 d 98.00 58.00 0.00 0.00 0.00 284.20
1967 0.00 0.00 0.00 0.00 4.00 89.00 126.00 257.50 78.00 0.00 0.00 0.00 554.50
1968 0.00 0.00 0.00 0.00 3.00 37.50 142.00 86.50 45.50 0.00 0.00 0.00 314.50
1969 0.00 0.00 0.00 0.00 19.63 a 124.00 90.50 64.00 65.00 0.00 0.00 0.00 363.13
1970 0.00 0.00 0.00 b 0.00 9.50 122.50 138.50 138.50 5.50 1.50 0.00 0.00 416.00
1971 0.00 0.00 0.00 0.00 8.50 8.00 166.50 185.00 11.50 1.00 0.00 0.00 380.50
1972 0.00 0.00 0.00 0.00 35.00 30.00 199.50 199.50 51.00 0.00 0.00 0.00 515.00
1973 0.00 0.00 0.00 0.00 27.50 51.50 164.50 67.00 61.50 0.00 0.00 0.00 372.00
1974 0.00 0.00 0.00 0.00 0.00 72.50 98.50 156.50 115.50 4.00 0.00 0.00 447.00
1975 0.00 0.00 0.00 0.00 6.20 a 31.50 134.00 52.50 62.50 0.00 0.00 0.00 286.70
1976 0.00 0.00 0.00 0.00 7.00 13.39 b 87.50 50.50 24.50 0.00 0.00 0.00 182.89
1977 0.00 0.00 0.00 0.00 0.00 20.50 53.00 193.00 3.50 0.00 0.00 0.00 270.00
1978 0.00 0.00 0.00 0.00 0.50 53.50 128.50 103.50 5.50 0.00 0.00 0.00 291.50
1979 0.00 0.00 0.00 0.50 7.50 35.50 109.50 38.50 34.50 4.50 0.00 0.00 230.50
1980 0.00 0.00 0.00 1.00 0.00 0.00 111.00 39.50 19.50 5.50 0.00 0.00 176.50
1981 0.00 0.00 0.00 2.00 0.00 e 14.00 93.00 196.50 52.00 0.00 0.00 0.00 357.50
1982 0.00 0.00 0.00 0.00 10.50 75.50 68.50 116.50 52.50 0.00 0.00 0.00 323.50
1983 0.00 0.00 0.00 0.00 35.00 11.00 48.50 68.00 2.50 0.00 0.00 0.00 a 165.00
1984 0.00 0.00 0.00 0.00 7.00 15.00 92.00 75.50 16.00 0.50 0.00 a 0.00 206.00
1985 0.00 0.00 0.00 0.00 4.50 38.50 215.00 84.00 2.50 0.00 0.00 0.00 344.50
1986 0.00 0.00 a 0.00 0.00 40.00 109.00 36.50 214.00 50.00 2.00 0.00 0.00 451.50
1987 0.00 0.00 z 0.00 6.50 0.00 z 0.00 z 89.50 154.00 80.69 a 0.00 z 0.00 0.00 330.69
1988 0.00 0.00 a 0.00 0.50 10.00 38.50 139.50 106.00 65.00 14.00 0.00 0.00 373.50
1989 0.00 0.00 0.00 3.50 13.50 77.00 60.50 77.50 54.50 0.00 0.00 0.00 286.50
1990 0.00 0.00 0.00 2.50 3.00 25.50 169.00 139.00 41.50 0.00 0.00 0.00 380.50
1991 0.00 0.00 0.00 0.00 0.00 17.00 160.00 175.50 94.00 7.50 0.00 0.00 454.00
1992 0.00 0.00 0.00 0.00 77.00 171.50 195.50 189.50 42.00 5.00 0.00 0.00 680.50
1993 0.00 0.00 0.00 0.00 49.00 39.00 21.00 167.00 92.00 6.00 0.00 0.00 374.00
1994 0.00 0.00 0.00 0.00 31.50 44.50 225.50 139.50 93.00 0.00 0.00 0.00 534.00
1995 0.00 0.00 l 0.00 0.00 52.50 71.50 233.50 94.00 82.50 0.00 0.00 0.00 534.00
1996 0.00 0.00 0.00 3.00 0.00 22.50 239.00 154.50 12.00 7.50 0.00 a 0.00 438.50
1997 0.00 0.00 0.00 0.00 61.00 18.00 116.00 179.50 60.50 0.00 0.00 0.00 435.00
1998 0.00 0.00 0.00 8.00 14.50 32.50 203.00 167.00 100.50 2.00 0.00 0.00 527.50
1999 0.00 0.00 0.00 a 0.00 8.00 22.50 101.00 160.00 66.00 0.00 0.00 0.00 357.50
2000 0.00 0.00 0.00 0.00 0.00 61.00 74.50 66.00 26.50 0.00 0.00 0.00 228.00
2001 0.00 a 0.00 0.00 0.50 15.00 29.48 a 53.00 135.50 64.50 1.00 0.00 a 0.00 298.98
2002 0.00 0.00 0.00 0.00 6.50 80.50 200.50 150.00 52.50 0.00 0.00 0.00 490.00
2003 0.00 0.00 0.00 0.00 17.00 109.00 186.50 128.00 91.50 6.00 0.00 0.00 538.00
2004 0.00 0.00 0.00 2.00 7.00 84.50 217.00 210.50 17.00 2.00 0.00 0.00 540.00
2005 0.00 0.00 0.00 0.00 20.00 14.00 137.50 156.50 18.50 0.00 0.00 0.00 h 346.50
2006 0.00 0.00 e 0.00 1.00 29.00 65.50 166.50 100.50 39.00 0.00 0.00 c 0.00 401.50
2007 0.00 0.00 0.00 a 0.00 9.50 28.50 128.50 73.00 25.00 0.00 0.00 0.00 b 264.50
2008 0.00 0.00 0.00 0.00 28.50 0.00 z 101.00 142.50 53.50 0.00 0.00 0.00 325.50
2009 0.00 0.00 0.00 0.00 14.50 29.00 206.00 117.50 43.50 0.00 0.00 0.00 410.50
2010 0.00 0.00 0.00 0.00 0.00 7.00 107.00 106.50 27.50 2.50 0.00 0.00 250.50
2011 0.00 0.00 0.00 0.00 0.00 11.00 43.50 92.00 87.00 0.00 0.00 0.00 233.50
2012 0.00 e 0.00 0.00 3.10 a 7.50 13.50 80.00 139.00 44.00 0.00 b 0.00 0.00 y 287.10
2013 0.00 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
Period of Record Statistics
MEAN 0.00 0.00 0.00 0.77 11.55 39.41 108.68 105.79 37.61 1.28 0.00 0.00 307.07
S.D. 0.00 0.00 0.00 2.29 14.36 32.81 55.69 50.76 26.92 2.69 0.00 0.00 114.91
SKEW 0.00 0.00 0.00 4.01 1.99 1.36 0.30 0.42 0.61 2.62 0.00 0.00 0.59
MAX 0.00 0.00 0.00 13.50 77.00 171.50 239.00 257.50 115.50 14.00 0.00 0.00 680.50
MIN 0.00 0.00 0.00 0.00 0.00 0.00 6.50 4.50 0.00 0.00 0.00 0.00 36.00
NO YRS 118 115 117 116 115 104 105 102 105 114 114 112 94