DAVENPORT, WASHINGTON

Monthly Total Cooling Degree Days

(452007)

Base Temperature = 65 F

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.
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 z 0.00 z 0.00 b 0.00 c 0.00 1.00 102.00 93.00 27.50 0.00 0.00 0.00 a 223.50
1894 0.00 0.00 0.00 0.00 18.00 16.50 81.50 140.00 5.50 0.00 0.00 z 0.00 z 261.50
1895 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
1896 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
1897 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
1898 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
1899 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
1900 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
1901 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
1902 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
1903 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
1904 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
1905 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
1906 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
1907 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
1908 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
1909 0.00 z 0.00 z 0.00 v 0.00 0.00 11.50 41.00 47.00 39.50 0.00 0.00 0.00 139.00
1910 0.00 0.00 0.00 2.00 12.00 17.00 120.00 62.00 7.00 0.00 0.00 0.00 220.00
1911 0.00 0.00 0.00 0.00 b 2.50 41.54 d 117.00 f 30.00 h 17.00 0.00 j 0.00 0.00 a 61.04
1912 0.00 a 0.00 a 0.00 a 0.00 i 0.00 d 60.00 b 85.25 a 41.73 e 0.00 f 0.00 k 0.00 a 0.00 c 186.98
1913 0.00 c 0.00 a 0.00 c 0.00 d 0.00 13.00 93.50 112.00 4.50 0.00 0.00 0.00 223.00
1914 0.00 0.00 0.00 d 0.00 0.00 c 11.50 109.03 b 91.00 2.00 0.00 a 0.00 g 0.00 213.53
1915 0.00 a 0.00 b 0.00 0.00 0.00 a 2.50 52.00 195.50 1.00 0.00 0.00 0.00 a 251.00
1916 0.00 0.00 0.00 c 0.00 0.00 b 33.62 a 30.50 0.00 z 0.00 z 0.00 0.00 0.00 64.12
1917 0.00 0.00 0.00 0.00 0.00 12.00 104.00 74.50 14.50 0.00 0.00 0.00 205.00
1918 0.00 0.00 0.00 0.00 0.00 99.50 162.50 59.50 26.00 0.00 0.00 0.00 347.50
1919 0.00 0.00 0.00 0.00 a 8.27 a 12.32 b 118.12 b 89.50 1.50 0.00 0.00 0.00 229.71
1920 0.00 0.00 0.00 0.00 0.00 11.00 150.50 159.50 5.50 0.00 0.00 0.00 326.50
1921 0.00 f 0.00 f 0.00 d 0.00 d 0.00 f 2.68 b 66.50 120.50 0.00 0.00 0.00 0.00 189.68
1922 0.00 0.00 0.00 0.00 0.50 88.00 180.50 130.50 32.50 0.00 0.00 0.00 a 432.00
1923 0.00 0.00 0.00 1.00 0.00 18.62 a 134.50 105.00 15.50 0.00 0.00 0.00 274.62
1924 0.00 0.00 0.00 0.00 33.50 30.50 161.00 102.30 a 53.50 0.00 0.00 0.00 380.80
1925 0.00 0.00 0.00 0.00 1.00 93.50 179.50 124.50 7.20 e 0.00 c 0.00 0.00 a 405.70
1926 0.00 0.00 0.00 0.50 0.00 76.00 156.60 b 89.26 b 1.00 0.00 0.00 0.00 b 323.36
1927 0.00 a 0.00 0.00 0.00 a 0.00 a 17.50 140.00 116.00 0.00 0.00 0.00 0.00 273.50
1928 0.00 0.00 0.00 0.00 26.00 35.50 176.00 53.00 26.50 0.00 0.00 0.00 317.00
1929 0.00 0.00 0.00 0.00 0.50 3.00 78.00 158.00 13.00 0.00 0.00 0.00 252.50
1930 0.00 0.00 0.00 0.00 4.50 8.00 135.50 135.00 15.00 0.00 0.00 0.00 298.00
1931 0.00 0.00 0.00 0.00 18.50 20.00 113.00 92.00 16.50 0.00 0.00 0.00 260.00
1932 0.00 0.00 0.00 0.00 0.00 43.00 54.00 106.50 12.00 0.00 0.00 0.00 215.50
1933 0.00 0.00 d 0.00 0.00 0.00 29.50 90.00 124.00 0.00 0.00 0.00 0.00 243.50
1934 0.00 0.00 0.00 2.00 34.50 12.50 97.50 76.50 16.00 0.00 0.00 0.00 239.00
1935 0.00 0.00 0.00 b 0.00 0.00 2.50 94.00 62.50 23.50 0.00 0.00 0.00 182.50
1936 0.00 0.00 0.00 2.50 26.50 51.00 110.50 69.00 3.00 0.00 0.00 a 0.00 262.50
1937 0.00 0.00 0.00 0.00 0.00 30.50 142.50 42.00 40.50 0.00 0.00 0.00 255.50
1938 0.00 0.00 0.00 0.00 0.00 49.50 184.00 41.33 a 103.00 0.00 0.00 0.00 377.83
1939 0.00 0.00 0.00 0.00 12.50 38.00 172.50 149.50 19.50 0.00 0.00 0.00 392.00
1940 0.00 0.00 0.00 0.00 34.50 77.50 142.00 117.50 49.00 0.00 0.00 0.00 420.50
1941 0.00 0.00 0.00 0.00 3.00 25.00 198.40 a 116.00 0.00 0.00 a 0.00 0.00 342.40
1942 0.00 0.00 0.00 0.00 1.00 13.50 67.50 g 170.50 18.50 0.00 0.00 0.00 203.50
1943 0.00 0.00 0.00 0.00 0.00 7.00 127.00 38.00 25.00 9.00 0.00 0.00 206.00
1944 0.00 0.00 0.00 0.00 3.00 18.00 147.00 68.50 54.50 0.00 0.00 0.00 291.00
1945 0.00 0.00 0.00 0.00 0.00 21.00 116.00 107.00 6.00 0.00 0.00 0.00 250.00
1946 0.00 0.00 0.00 0.00 0.00 5.50 85.50 92.00 8.00 0.00 0.00 0.00 191.00
1947 0.00 0.00 0.00 0.00 8.50 3.50 88.50 31.50 8.00 0.00 0.00 0.00 140.00
1948 0.00 0.00 0.00 0.00 7.00 47.00 36.00 30.00 17.00 0.00 0.00 0.00 137.00
1949 0.00 0.00 0.00 0.00 10.50 10.50 78.00 144.50 41.00 0.00 0.00 0.00 284.50
1950 0.00 0.00 0.00 0.00 0.00 20.00 102.00 71.00 29.00 0.00 0.00 0.00 222.00
1951 0.00 0.00 0.00 a 0.00 0.50 6.00 122.50 77.50 11.00 0.00 0.00 0.00 217.50
1952 0.00 0.00 0.00 0.00 0.00 3.50 147.00 70.50 8.00 0.00 0.00 a 0.00 229.00
1953 0.00 0.00 0.00 0.00 0.00 0.50 96.00 98.00 31.50 0.00 0.00 a 0.00 226.00
1954 0.00 0.00 0.00 0.00 11.00 6.00 82.00 34.00 4.50 0.00 0.00 0.00 137.50
1955 0.00 0.00 0.00 0.00 0.00 54.50 107.98 a 75.50 62.00 0.00 0.00 0.00 299.98
1956 0.00 0.00 r 0.00 0.00 36.00 4.50 173.50 118.50 20.00 0.00 0.00 0.00 352.50
1957 0.00 0.00 0.00 0.52 a 10.00 46.00 84.50 31.00 37.50 0.00 0.00 0.00 209.52
1958 0.00 0.00 0.00 0.00 59.50 87.50 195.50 222.50 36.00 0.00 0.00 0.00 601.00
1959 0.00 0.00 0.00 0.00 2.00 27.00 178.50 43.50 18.00 0.00 0.00 0.00 269.00
1960 0.00 0.00 0.00 0.00 0.00 18.00 230.50 86.50 16.50 0.00 0.00 0.00 351.50
1961 0.00 0.00 0.00 0.00 4.00 112.50 197.50 253.50 0.00 0.00 0.00 0.00 567.50
1962 0.00 0.00 0.00 0.00 0.00 22.50 127.50 65.50 26.00 0.00 0.00 0.00 241.50
1963 0.00 0.00 0.00 0.00 3.50 34.00 49.00 141.00 84.00 0.00 0.00 0.00 311.50
1964 0.00 0.00 0.00 0.00 0.00 9.50 128.00 38.00 0.00 0.00 0.00 0.00 175.50
1965 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 88.00 105.50 0.00 m 0.00 0.00 z 0.00 i 193.50
1966 0.00 0.00 0.00 0.00 z 0.00 z 5.00 19.00 39.50 12.00 0.00 0.00 0.00 75.50
1967 0.00 0.00 0.00 0.00 0.00 c 41.50 127.00 196.50 59.50 0.00 z 0.00 z 0.00 z 424.50
1968 0.00 z 0.00 z 0.00 z 0.00 z 3.50 l 23.00 197.50 62.50 15.00 0.00 0.00 0.00 298.00
1969 0.00 0.00 0.00 0.00 6.50 80.50 84.50 59.50 38.00 0.00 0.00 0.00 269.00
1970 0.00 0.00 0.00 0.00 0.00 128.00 170.50 118.50 3.50 0.00 0.00 0.00 420.50
1971 0.00 0.00 0.00 0.00 1.00 11.00 180.00 225.50 2.50 0.00 z 0.00 0.00 420.00
1972 0.00 0.00 0.00 0.00 14.50 22.50 74.00 171.00 2.50 0.00 0.00 0.00 284.50
1973 0.00 0.00 0.00 0.00 16.00 42.00 159.00 133.50 28.00 0.00 0.00 0.00 378.50
1974 0.00 0.00 0.00 0.00 0.00 96.00 86.00 110.00 13.00 0.00 0.00 0.00 305.00
1975 0.00 0.00 0.00 0.00 5.00 10.00 204.50 0.00 z 23.00 2.50 0.00 0.00 245.00
1976 0.00 0.00 0.00 a 0.00 0.00 20.17 a 107.39 c 67.50 17.00 4.00 0.00 0.00 216.07
1977 0.00 0.00 0.00 a 15.50 0.00 44.00 96.50 258.50 1.00 0.00 0.00 0.00 415.50
1978 0.00 0.00 0.00 0.00 0.00 a 24.50 114.00 118.00 6.00 0.00 0.00 0.00 262.50
1979 0.00 0.00 0.00 0.00 4.00 56.00 184.50 123.50 22.00 0.00 0.00 0.00 390.00
1980 0.00 0.00 0.00 0.00 2.00 0.00 z 96.00 41.50 6.50 0.00 0.00 0.00 c 146.00
1981 0.00 0.00 0.00 0.00 0.50 2.00 71.00 206.50 46.00 0.00 0.00 0.00 a 326.00
1982 0.00 0.00 0.00 0.00 0.00 82.50 102.50 100.50 0.00 z 0.00 0.00 0.00 285.50
1983 0.00 0.00 0.00 0.00 33.00 5.50 47.00 155.00 10.18 b 0.00 0.00 0.00 a 250.68
1984 0.00 0.00 0.00 0.00 5.50 8.50 80.00 106.50 0.50 0.00 0.00 0.00 201.00
1985 0.00 0.00 0.00 0.00 0.00 z 0.00 z 192.50 21.50 0.00 0.00 0.00 0.00 214.00
1986 0.00 0.00 0.00 a 0.00 39.50 62.00 40.50 161.50 0.00 z 0.00 0.00 0.00 303.50
1987 0.00 0.00 0.00 9.50 8.00 62.00 82.50 54.00 43.50 0.00 0.00 0.00 259.50
1988 0.00 0.00 0.00 0.00 1.00 27.50 76.00 52.50 44.50 0.00 0.00 z 0.00 201.50
1989 0.00 0.00 0.00 0.00 0.00 26.00 79.50 45.50 3.50 0.00 z 0.00 0.00 154.50
1990 0.00 0.00 0.00 0.00 0.00 z 10.50 161.50 134.00 34.00 0.00 0.00 0.00 340.00
1991 0.00 0.00 0.00 0.00 0.00 3.50 61.00 131.00 3.00 0.00 0.00 0.00 198.50
1992 0.00 0.00 0.00 0.00 10.50 116.50 59.00 146.00 4.00 4.00 0.00 z 0.00 340.00
1993 0.00 0.00 0.00 0.00 23.00 11.00 6.50 52.50 14.00 0.00 0.00 0.00 107.00
1994 0.00 0.00 0.00 0.00 2.50 10.50 175.50 105.29 b 16.50 0.00 0.00 0.00 310.29
1995 0.00 0.00 0.00 0.00 10.50 25.50 75.50 34.50 22.50 0.00 0.00 0.00 168.50
1996 0.00 0.00 a 0.00 0.00 0.00 0.00 z 133.00 112.50 13.00 0.00 0.00 0.00 258.50
1997 0.00 0.00 0.00 0.00 3.50 5.00 0.00 z 128.50 20.50 0.00 0.00 0.00 157.50
1998 0.00 a 0.00 0.00 0.00 2.00 6.50 223.50 152.50 68.50 0.00 0.00 0.00 453.00
1999 0.00 0.00 0.00 0.00 5.50 22.24 a 55.91 c 154.50 2.59 a 0.00 0.00 0.00 240.74
2000 0.00 0.00 0.00 0.00 c 0.00 10.96 d 40.00 69.50 9.83 a 0.00 0.00 a 0.00 130.29
2001 0.00 0.00 0.00 a 0.00 15.00 3.10 a 62.50 140.61 c 19.50 0.00 0.00 0.00 c 240.71
2002 0.00 0.00 0.00 0.00 0.00 36.00 151.50 49.50 9.50 0.00 0.00 0.00 246.50
2003 0.00 0.00 0.00 0.00 9.50 38.00 126.50 90.00 42.50 0.00 0.00 0.00 306.50
2004 0.00 0.00 0.00 0.00 0.00 62.00 152.50 165.00 6.50 0.00 0.00 0.00 386.00
2005 0.00 0.00 0.00 0.00 3.00 12.50 81.00 88.50 0.50 0.00 0.00 0.00 185.50
2006 0.00 0.00 0.00 0.00 30.50 33.50 163.00 64.00 36.50 0.00 0.00 0.00 327.50
2007 0.00 0.00 0.00 0.00 0.00 35.50 189.00 58.50 7.50 0.00 0.00 0.00 290.50
2008 0.00 0.00 0.00 0.00 15.50 28.00 85.00 106.50 8.00 0.00 0.00 0.00 243.00
2009 0.00 0.00 0.00 0.00 a 8.50 8.00 139.00 117.00 40.50 0.00 0.00 0.00 313.00
2010 0.00 0.00 0.00 0.00 0.50 3.00 83.50 69.50 0.00 0.00 0.00 0.00 156.50
2011 0.00 0.00 0.00 0.00 0.00 2.00 18.00 44.50 33.50 0.00 0.00 0.00 98.00
2012 0.00 0.00 0.00 0.00 0.00 4.00 108.00 81.50 0.00 0.00 0.00 0.00 193.50
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 0.33 6.69 29.82 115.22 101.31 19.52 0.19 0.00 0.00 276.05
S.D. 0.00 0.00 0.00 1.82 11.22 29.17 50.29 50.95 19.49 1.07 0.00 0.00 94.03
SKEW 0.00 0.00 0.00 7.04 2.24 1.43 0.15 0.80 1.57 6.52 0.00 0.00 0.87
MAX 0.00 0.00 0.00 15.50 59.50 128.00 230.50 258.50 103.00 9.00 0.00 0.00 601.00
MIN 0.00 0.00 0.00 0.00 0.00 0.50 6.50 21.50 0.00 0.00 0.00 0.00 98.00
NO YRS 102 101 104 102 100 102 103 103 101 101 100 103 80