ABERDEEN, WASHINGTON

Monthly Total Cooling Degree Days

(450008)

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
1891 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 56.00 0.00 z 0.00 z 4.00 0.00 0.00 60.00
1892 0.00 0.00 z 0.00 0.00 2.00 0.00 h 3.50 2.50 2.00 0.00 0.00 z 0.00 z 10.00
1893 0.00 a 0.00 0.00 0.00 0.00 a 5.00 0.50 42.07 c 2.00 0.00 c 0.00 g 0.00 k 49.57
1894 0.00 z 0.00 s 0.00 0.00 14.50 10.00 32.50 47.00 12.50 0.00 0.00 0.00 a 116.50
1895 0.00 b 0.00 0.00 0.00 11.92 e 17.00 32.55 a 0.00 z 0.00 z 0.00 0.00 0.00 61.47
1896 0.00 0.00 0.00 0.00 1.50 8.00 26.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 35.50
1897 0.00 z 0.00 j 0.00 0.00 5.00 1.00 0.50 38.20 c 5.00 0.00 0.00 0.00 49.70
1898 0.00 a 0.00 a 0.00 b 0.00 8.00 h 16.55 a 12.73 c 32.00 20.00 0.00 0.00 c 0.00 d 81.28
1899 0.00 0.00 b 0.00 d 0.00 0.00 e 0.00 z 22.00 0.00 9.00 0.00 0.00 a 0.00 31.00
1900 0.00 0.00 0.00 1.00 0.00 5.00 3.00 0.00 z 0.00 z 0.00 b 0.00 0.00 9.00
1901 0.00 0.00 0.00 z 0.00 0.00 0.00 0.00 0.50 0.00 3.00 0.00 0.00 3.50
1902 0.00 0.00 0.00 0.00 0.00 10.00 12.00 17.00 2.50 0.00 0.00 0.00 41.50
1903 0.00 z 0.00 0.00 0.00 0.00 23.00 1.50 7.00 0.00 0.00 0.00 0.00 31.50
1904 0.00 0.00 0.00 5.89 b 3.00 3.00 24.00 0.00 5.50 0.00 0.00 0.00 41.39
1905 0.00 0.00 0.00 0.00 0.00 0.00 12.50 4.50 11.50 0.00 0.00 0.00 28.50
1906 0.00 0.00 0.00 2.50 0.00 2.00 25.00 15.50 0.00 3.50 0.00 0.00 48.50
1907 0.00 0.00 0.00 0.00 0.00 0.00 a 14.00 0.00 14.50 0.00 0.00 0.00 28.50
1908 0.00 0.00 0.00 g 0.00 0.00 1.00 1.00 7.50 2.50 0.00 0.00 d 0.00 12.00
1909 0.00 0.00 0.00 0.00 d 0.00 5.00 0.00 6.00 6.00 0.00 a 0.00 0.00 17.00
1910 0.00 0.00 0.00 0.00 6.50 2.78 c 16.50 0.00 4.50 0.00 0.00 0.00 30.28
1911 0.00 0.00 0.00 0.00 0.00 0.00 47.50 8.30 c 0.00 0.00 0.00 e 0.00 55.80
1912 0.00 0.00 0.00 0.00 6.00 15.00 26.00 f 22.98 b 1.00 0.00 0.00 0.00 44.98
1913 0.00 0.00 0.00 0.00 0.00 0.00 38.50 38.50 6.43 b 0.00 z 0.00 0.00 83.43
1914 0.00 0.00 d 0.00 0.00 a 16.00 2.50 5.00 2.00 0.00 1.50 0.00 0.00 27.00
1915 0.00 0.00 0.00 0.00 0.00 6.00 11.00 19.50 0.00 0.00 0.00 0.00 36.50
1916 0.00 0.00 0.00 0.00 0.00 6.00 0.00 28.50 8.00 0.00 0.00 0.00 42.50
1917 0.00 0.00 0.00 0.00 0.00 3.00 0.50 8.50 0.00 0.00 0.00 0.00 12.00
1918 0.00 0.00 0.00 7.00 0.00 2.50 4.00 12.00 4.50 0.00 0.00 0.00 30.00
1919 0.00 0.00 0.00 0.00 0.00 0.00 4.50 9.00 12.50 0.00 0.00 0.00 26.00
1920 0.00 0.00 0.00 0.00 0.00 0.00 6.50 4.50 0.00 0.00 0.00 0.00 11.00
1921 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2.50 0.00 0.00 0.00 0.00 2.50
1922 0.00 0.00 0.00 0.00 20.50 2.50 0.50 5.50 15.00 0.00 0.00 0.00 44.00
1923 0.00 0.00 0.00 0.00 0.00 6.00 9.50 21.00 10.50 1.00 0.00 0.00 48.00
1924 0.00 0.00 0.00 0.00 1.50 5.50 13.00 0.00 7.00 0.00 0.00 0.00 p 27.00
1925 0.00 0.00 0.00 1.00 6.00 14.00 4.00 35.00 32.50 0.50 0.00 0.00 93.00
1926 0.00 0.00 0.00 4.00 2.00 7.50 7.50 15.00 0.00 3.00 0.00 0.00 39.00
1927 0.00 0.00 0.00 0.00 0.00 7.00 12.50 22.50 0.00 0.00 0.00 0.00 42.00
1928 0.00 0.00 0.00 0.00 5.50 0.00 30.50 0.00 3.50 0.00 0.00 0.00 39.50
1929 0.00 0.00 0.00 0.00 0.00 5.00 10.00 7.00 14.00 0.00 0.00 0.00 36.00
1930 0.00 0.00 0.00 0.00 0.00 2.00 0.00 5.50 1.00 0.00 0.00 0.00 8.50
1931 0.00 0.00 0.00 0.00 0.00 3.50 31.50 11.00 0.00 0.00 0.00 0.00 46.00
1932 0.00 0.00 0.00 0.00 0.50 14.00 0.00 18.00 3.50 10.00 0.00 0.00 46.00
1933 0.00 0.00 0.00 0.00 0.00 0.00 6.50 39.50 0.00 a 1.00 0.00 0.00 47.00
1934 0.00 0.00 0.00 4.00 12.00 0.00 0.00 5.50 11.00 6.00 0.00 0.00 38.50
1935 0.00 0.00 0.00 0.00 0.00 11.50 18.50 29.00 4.50 0.00 0.00 0.00 a 63.50
1936 0.00 0.00 0.00 0.00 1.50 8.00 2.50 18.00 0.50 0.00 0.00 0.00 30.50
1937 0.00 0.00 0.00 0.00 0.00 9.50 0.50 0.00 19.50 3.00 0.00 0.00 32.50
1938 0.00 0.00 0.00 0.00 0.00 1.50 21.00 1.00 1.00 0.00 0.00 0.00 24.50
1939 0.00 0.00 0.00 0.00 3.00 0.00 10.50 24.00 2.50 0.00 0.00 0.00 40.00
1940 0.00 0.00 0.00 0.00 0.00 10.00 0.00 16.00 5.50 0.00 0.00 0.00 31.50
1941 0.00 0.00 0.00 0.00 8.50 6.00 33.50 1.00 0.00 0.00 0.00 0.00 49.00
1942 0.00 0.00 0.00 0.00 4.00 15.50 51.00 27.00 4.00 0.00 0.00 0.00 101.50
1943 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.50 20.00 0.00 0.00 0.00 20.50
1944 0.00 0.00 0.00 0.00 0.00 0.00 7.00 14.50 16.50 0.00 0.00 0.00 38.00
1945 0.00 0.00 0.00 0.00 0.00 a 0.00 0.50 2.50 8.00 0.00 0.00 0.00 11.00
1946 0.00 0.00 0.00 0.00 1.50 0.00 15.50 9.50 4.00 0.00 0.00 0.00 30.50
1947 0.00 0.00 0.00 1.50 2.00 0.00 1.50 0.00 10.00 0.00 0.00 0.00 15.00
1948 0.00 0.00 0.00 0.00 0.00 14.50 3.50 0.00 17.50 0.00 0.00 0.00 35.50
1949 0.00 0.00 0.00 0.00 1.03 a 0.00 0.00 14.00 15.00 0.00 0.00 a 0.00 30.03
1950 0.00 a 0.00 0.00 0.00 0.00 11.50 1.50 15.50 5.50 0.00 0.00 0.00 34.00
1951 0.00 0.00 a 0.00 0.00 0.00 19.00 15.50 4.50 7.76 a 1.00 0.00 0.00 47.76
1952 0.00 0.00 0.00 z 0.00 f 5.00 0.00 17.50 13.43 a 27.50 1.00 0.00 0.00 64.43
1953 0.00 0.00 0.00 0.00 3.50 0.00 8.00 8.02 b 13.00 0.00 0.00 0.00 32.52
1954 0.00 0.00 z 0.00 0.00 0.50 2.00 0.50 2.00 0.50 0.00 0.00 0.00 5.50
1955 0.00 0.00 0.00 0.00 0.00 27.00 0.00 4.50 17.50 0.00 0.00 0.00 49.00
1956 0.00 0.00 0.00 2.50 15.50 0.00 40.00 9.30 a 4.00 0.00 0.00 0.00 71.30
1957 0.00 0.00 0.00 2.50 1.50 0.00 0.00 0.00 35.17 a 1.00 0.00 0.00 40.17
1958 0.00 0.00 0.00 0.00 9.82 a 44.50 53.00 28.33 b 11.50 f 0.00 0.00 a 0.00 135.64
1959 0.00 0.00 j 0.00 0.00 6.00 4.66 a 25.50 0.00 a 0.00 0.00 0.00 0.00 36.16
1960 0.00 0.00 0.00 0.00 a 0.00 0.00 23.50 15.00 13.50 0.00 a 0.00 0.00 a 52.00
1961 0.00 0.00 0.00 0.00 8.00 21.50 36.00 21.50 7.00 3.50 0.00 0.00 97.50
1962 0.00 0.00 0.00 0.00 0.00 0.00 3.50 8.50 6.50 0.00 0.00 0.00 18.50
1963 0.00 0.00 0.00 0.00 21.00 1.50 2.00 5.50 26.50 0.00 0.00 0.00 56.50
1964 0.00 0.00 0.00 0.00 0.00 0.00 0.00 z 20.50 0.00 0.00 0.00 0.00 a 20.50
1965 0.00 0.00 0.00 0.00 0.00 0.00 13.50 13.00 3.00 0.00 0.00 0.00 29.50
1966 0.00 0.00 0.00 0.00 0.00 10.00 0.00 5.50 3.50 0.00 0.00 0.00 19.00
1967 0.00 0.00 0.00 0.00 0.00 0.00 10.50 22.50 15.50 0.00 0.00 0.00 48.50
1968 0.00 0.00 0.00 0.00 0.50 1.00 13.00 11.00 9.50 0.00 0.00 0.00 35.00
1969 0.00 0.00 0.00 0.00 13.00 9.50 0.00 1.00 5.50 0.00 0.00 0.00 29.00
1970 0.00 0.00 0.00 0.00 0.00 19.00 11.00 0.00 1.50 0.00 0.00 0.00 31.50
1971 0.00 0.00 0.00 0.00 4.00 5.50 0.50 16.00 0.00 0.00 0.00 0.00 26.00
1972 0.00 0.00 0.00 0.00 15.00 0.00 38.50 22.50 12.00 0.00 0.00 0.00 88.00
1973 0.00 0.00 0.00 0.00 7.50 5.50 5.00 4.00 9.50 0.00 0.00 0.00 31.50
1974 0.00 0.00 0.00 0.00 0.00 2.00 6.00 9.50 42.50 0.00 0.00 0.00 60.00
1975 0.00 0.00 0.00 0.00 2.50 0.50 7.50 0.00 18.50 0.00 0.00 0.00 29.00
1976 0.00 0.00 0.00 0.00 0.00 0.00 1.00 4.50 5.00 0.00 0.00 0.00 10.50
1977 0.00 0.00 0.00 0.00 0.00 4.00 3.50 42.00 0.50 0.00 0.00 0.00 50.00
1978 0.00 0.00 0.00 0.00 3.50 20.50 37.50 19.50 0.00 0.00 0.00 0.00 81.00
1979 0.00 0.00 a 0.00 0.00 2.00 0.00 27.50 3.00 18.50 0.50 0.00 0.00 51.50
1980 0.00 0.00 a 0.00 0.00 0.00 0.00 19.50 4.00 1.50 0.00 0.00 0.00 25.00
1981 0.00 0.00 0.00 0.00 0.00 0.00 8.00 58.50 23.00 0.00 0.00 0.00 89.50
1982 0.00 0.00 0.00 0.00 0.00 11.00 0.00 14.50 11.50 0.00 0.00 0.00 37.00
1983 0.00 0.00 0.00 0.00 12.50 0.00 9.00 12.50 4.50 0.00 0.00 0.00 38.50
1984 0.00 0.00 0.00 0.00 2.00 0.00 6.00 6.00 1.50 0.00 0.00 0.00 15.50
1985 0.00 0.00 0.00 0.00 0.00 10.50 7.00 18.50 0.00 0.00 0.00 0.00 36.00
1986 0.00 0.00 0.00 0.00 3.00 8.50 0.00 10.50 2.50 0.00 0.00 0.00 24.50
1987 0.00 0.00 0.00 2.00 15.00 6.00 2.50 11.00 0.00 z 5.00 0.00 0.00 41.50
1988 0.00 0.00 0.00 0.00 9.00 0.50 27.00 22.00 26.50 2.50 0.00 0.00 87.50
1989 0.00 0.00 0.00 0.00 1.00 26.50 0.00 0.00 30.50 0.00 0.00 0.00 58.00
1990 0.00 0.00 0.00 0.00 0.50 9.50 26.50 19.50 24.00 0.00 0.00 0.00 80.00
1991 0.00 0.00 0.00 0.00 0.00 0.00 16.00 1.00 36.00 0.00 0.00 0.00 53.00
1992 0.00 0.00 0.00 0.00 13.50 12.00 22.00 35.00 3.00 4.00 0.00 0.00 89.50
1993 0.00 0.00 0.00 0.00 13.00 1.00 0.00 36.00 8.50 0.00 0.00 0.00 58.50
1994 0.00 0.00 0.00 0.00 2.50 0.00 6.00 15.00 18.50 0.00 0.00 0.00 z 42.00
1995 0.00 0.00 0.00 0.00 0.00 27.00 37.00 2.50 24.50 0.00 0.00 0.00 91.00
1996 0.00 0.00 0.00 0.00 0.00 4.00 31.50 13.50 0.00 5.00 0.00 0.00 54.00
1997 0.00 0.00 0.00 0.00 7.00 0.00 12.00 32.00 22.00 0.00 0.00 0.00 73.00
1998 0.00 0.00 0.00 1.50 0.00 z 0.00 18.50 8.50 2.50 0.00 0.00 0.00 31.00
1999 0.00 0.00 0.00 1.00 5.50 6.00 5.00 6.50 11.50 0.00 0.00 0.00 35.50
2000 0.00 0.00 z 0.00 0.00 0.00 8.50 4.00 0.50 6.50 0.00 0.00 0.00 a 19.50
2001 0.00 0.00 0.00 0.00 4.50 2.50 0.00 9.30 a 2.50 0.00 0.00 0.00 18.80
2002 0.00 0.00 0.00 0.00 0.00 11.50 24.50 19.50 2.00 0.00 0.00 0.00 57.50
2003 0.00 0.00 0.00 0.00 4.00 34.00 17.50 3.50 14.00 0.00 0.00 0.00 73.00
2004 0.00 0.00 0.00 1.50 0.00 20.50 40.50 18.50 0.00 0.00 0.00 0.00 81.00
2005 0.00 0.00 0.00 0.00 18.50 6.50 8.50 7.00 0.00 0.00 0.00 0.00 40.50
2006 0.00 0.00 0.00 0.00 6.50 9.50 33.00 0.00 20.50 0.00 0.00 0.00 69.50
2007 0.00 0.00 0.00 0.00 3.00 3.00 30.00 h 7.00 9.50 0.00 0.00 0.00 22.50
2008 0.00 0.00 0.00 0.00 13.50 6.50 0.00 11.50 9.00 0.00 0.00 0.00 40.50
2009 0.00 0.00 0.00 0.00 0.00 z 9.50 23.50 14.00 17.50 0.00 0.00 0.00 64.50
2010 0.00 0.00 0.00 0.00 0.00 0.00 11.00 20.00 0.00 0.00 0.00 0.00 31.00
2011 0.00 0.00 0.00 0.00 0.00 0.50 0.00 5.50 13.50 0.00 0.00 0.00 19.50
2012 0.00 0.00 0.00 0.00 0.00 0.00 0.00 28.50 18.00 0.00 0.00 0.00 46.50
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 0.32 3.30 6.15 12.79 12.89 8.89 0.50 0.00 0.00 43.19
S.D. 0.00 0.00 0.00 1.07 5.16 8.04 13.82 12.15 9.34 1.46 0.00 0.00 22.21
SKEW 0.00 0.00 0.00 4.21 1.71 1.94 1.14 1.19 1.25 3.77 0.00 0.00 0.79
MAX 0.00 0.00 0.00 7.00 21.00 44.50 56.00 58.50 42.50 10.00 0.00 0.00 101.50
MIN 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2.50
NO YRS 119 116 119 120 118 119 119 118 116 120 119 117 95