CLE ELUM, WASHINGTON

Monthly Total Cooling Degree Days

(451504)

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
1899 0.00 0.00 a 0.00 0.00 0.00 0.00 60.00 5.50 1.50 0.00 0.00 0.00 67.00
1900 0.00 0.00 0.00 0.00 3.00 6.00 72.00 4.00 0.00 0.00 0.00 0.00 85.00
1901 0.00 0.00 0.00 0.00 0.00 0.00 14.00 85.50 0.00 0.00 0.00 0.00 99.50
1902 0.00 0.00 0.00 0.00 0.00 6.50 28.00 44.50 2.50 0.00 0.00 0.00 81.50
1903 0.00 0.00 0.00 0.00 0.00 8.50 21.00 17.00 0.00 0.00 0.00 0.00 46.50
1904 0.00 0.00 0.00 0.00 0.00 8.00 52.50 78.00 1.50 0.00 0.00 0.00 140.00
1905 0.00 0.00 0.00 0.00 0.00 0.00 84.50 67.00 3.50 0.00 0.00 0.00 155.00
1906 0.00 0.00 0.00 0.00 0.00 0.00 159.00 49.50 0.00 0.00 0.00 0.00 208.50
1907 0.00 0.00 0.00 0.00 0.00 2.50 46.50 23.00 0.00 0.00 0.00 0.00 72.00
1908 0.00 0.00 0.00 0.00 0.00 0.00 99.72 a 42.50 3.00 0.00 0.00 0.00 145.22
1909 0.00 0.00 0.00 0.00 0.00 0.00 9.00 8.50 10.50 0.00 0.00 0.00 28.00
1910 0.00 0.00 0.00 0.00 1.00 0.00 38.50 21.00 0.00 a 0.00 c 0.00 0.00 60.50
1911 0.00 a 0.00 a 0.00 0.00 0.00 9.00 55.28 a 22.00 5.00 0.00 0.00 0.00 91.28
1912 0.00 0.00 0.00 0.00 0.00 27.00 34.50 12.92 a 0.00 0.00 0.00 0.00 74.42
1913 0.00 0.00 0.00 0.00 0.00 0.00 59.00 52.00 0.00 0.00 0.00 0.00 111.00
1914 0.00 0.00 0.00 0.00 0.00 6.00 52.50 40.50 0.00 0.00 0.00 0.00 99.00
1915 0.00 0.00 0.00 0.00 0.00 3.00 37.00 94.50 2.00 0.00 0.00 0.00 136.50
1916 0.00 0.00 0.00 0.00 0.00 11.00 8.50 54.50 1.00 0.00 0.00 0.00 75.00
1917 0.00 0.00 0.00 0.00 0.00 0.50 74.00 72.00 1.50 3.50 0.00 0.00 151.50
1918 0.00 0.00 0.00 0.00 0.00 21.00 75.00 16.50 7.00 0.00 0.00 0.00 119.50
1919 0.00 g 0.00 0.00 0.00 0.00 0.50 61.00 43.00 0.00 0.00 0.00 0.00 104.50
1920 0.00 0.00 0.00 0.00 0.00 11.50 103.50 156.00 3.21 b 0.00 0.00 0.00 g 274.21
1921 0.00 0.00 e 0.00 a 0.00 0.00 5.50 53.50 67.17 a 0.00 0.00 0.00 a 0.00 f 126.17
1922 0.00 0.00 0.00 0.00 1.50 48.50 108.50 86.00 11.50 0.00 0.00 0.00 a 256.00
1923 0.00 q 0.00 g 0.00 0.00 0.00 18.50 106.50 90.00 21.00 0.00 0.00 0.00 236.00
1924 0.00 0.00 0.00 0.00 8.00 13.50 71.00 57.50 17.50 0.00 0.00 0.00 167.50
1925 0.00 0.00 0.00 0.00 0.00 42.50 142.00 95.07 a 0.00 k 0.00 h 0.00 0.00 e 279.57
1926 0.00 0.00 0.00 0.00 0.00 62.00 126.00 49.50 0.00 0.00 0.00 a 0.00 237.50
1927 0.00 a 0.00 a 0.00 e 0.00 0.00 0.00 80.50 68.00 0.00 0.00 a 0.00 0.00 b 148.50
1928 0.00 d 0.00 z 0.00 0.00 1.50 18.50 119.00 34.00 5.00 0.00 0.00 0.00 178.00
1929 0.00 0.00 0.00 0.00 0.00 4.50 23.00 63.50 9.00 0.00 0.00 0.00 100.00
1930 0.00 z 0.00 0.00 0.00 0.52 a 4.00 74.40 a 101.04 d 3.21 b 0.00 a 0.00 0.00 h 183.17
1931 0.00 0.00 0.00 5.50 14.00 12.00 93.50 54.50 24.00 0.00 0.00 0.00 203.50
1932 0.00 0.00 0.00 0.00 0.00 58.50 41.50 74.50 7.50 4.50 0.00 0.00 186.50
1933 0.00 0.00 0.00 0.00 0.00 a 13.00 93.00 81.50 0.00 1.50 0.00 0.00 189.00
1934 0.00 0.00 z 0.00 0.00 29.50 18.00 68.50 148.00 56.25 b 2.50 0.00 0.00 z 322.75
1935 0.00 0.00 0.00 0.00 0.00 0.00 z 0.00 z 43.00 15.50 0.00 0.00 0.00 58.50
1936 0.00 0.00 0.00 0.00 0.00 19.50 59.50 52.50 8.79 a 0.00 0.00 0.00 140.29
1937 0.00 0.00 a 0.00 0.00 0.00 17.50 119.35 a 35.00 9.00 0.00 0.00 0.00 180.85
1938 0.00 0.00 0.00 0.00 0.50 76.03 a 169.50 26.50 18.50 0.00 0.00 0.00 291.03
1939 0.00 0.00 a 0.00 0.00 0.50 16.50 123.50 72.50 15.00 0.00 0.00 0.00 a 228.00
1940 0.00 0.00 0.00 0.00 6.00 59.00 99.50 109.50 39.50 0.00 0.00 0.00 313.50
1941 0.00 0.00 0.00 0.00 8.00 13.00 187.00 79.05 a 0.00 z 0.00 0.00 0.00 b 287.05
1942 0.00 0.00 0.00 a 0.00 n 0.50 o 19.00 140.02 a 167.50 30.00 0.00 b 0.00 0.00 356.52
1943 0.00 a 0.00 0.00 0.00 a 0.00 b 2.50 103.33 a 35.02 d 14.50 0.00 a 0.00 a 0.00 c 155.35
1944 0.00 a 0.00 0.00 0.00 0.50 16.50 144.00 26.50 18.00 0.00 a 0.00 0.00 205.50
1945 0.00 0.00 0.00 0.00 a 0.00 13.00 100.50 96.50 7.00 0.00 0.00 0.00 217.00
1946 0.00 0.00 0.00 0.00 0.00 0.00 z 66.13 a 54.00 0.54 b 0.00 c 0.00 b 0.00 120.67
1947 0.00 0.00 0.00 0.00 23.50 11.50 60.50 39.50 11.50 0.00 0.00 0.00 146.50
1948 0.00 0.00 0.00 0.00 3.50 63.50 45.50 29.50 0.50 0.00 0.00 0.00 142.50
1949 0.00 0.00 0.00 a 0.00 8.50 8.50 67.50 53.00 21.50 0.00 0.00 0.00 159.00
1950 0.00 0.00 0.00 0.00 0.00 18.00 94.50 83.50 17.50 0.00 0.00 0.00 213.50
1951 0.00 0.00 0.00 0.00 2.50 9.50 113.50 74.00 7.00 0.00 0.00 0.00 206.50
1952 0.00 0.00 0.00 0.00 0.00 2.00 107.00 81.00 7.00 0.00 0.00 0.00 197.00
1953 0.00 0.00 0.00 0.00 0.00 0.00 86.28 a 63.55 a 9.83 a 0.00 0.00 0.00 159.66
1954 0.00 0.00 0.00 0.00 0.00 7.00 50.00 33.50 0.00 0.00 0.00 z 0.00 z 90.50
1955 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
1956 0.00 z 0.00 z 0.00 z 0.00 7.50 0.00 154.00 68.50 5.00 0.00 c 0.00 0.00 235.00
1957 0.00 0.00 0.00 0.00 7.50 17.00 56.50 27.00 20.50 2.50 0.00 0.00 131.00
1958 0.00 0.00 0.00 0.00 36.00 88.50 234.50 162.00 5.00 0.00 0.00 0.00 526.00
1959 0.00 0.00 0.00 0.00 0.00 13.00 139.00 28.00 0.00 z 0.00 t 0.00 0.00 180.00
1960 0.00 0.00 0.00 0.00 0.00 4.00 169.00 37.00 3.00 0.00 0.00 0.00 213.00
1961 0.00 0.00 0.00 0.00 0.00 66.00 115.00 142.00 7.50 0.00 0.00 0.00 330.50
1962 0.00 0.00 0.00 0.00 0.00 6.00 109.50 40.50 9.00 0.00 0.00 0.00 165.00
1963 0.00 0.00 0.00 0.00 0.00 32.00 28.00 70.50 25.34 a 0.00 0.00 0.00 155.84
1964 0.00 0.00 0.00 0.00 0.00 1.00 44.00 11.50 3.50 0.00 0.00 a 0.00 60.00
1965 0.00 a 0.00 0.00 0.00 0.50 6.00 105.00 81.50 0.00 0.00 0.00 0.00 193.00
1966 0.00 0.00 0.00 0.00 7.50 2.07 a 39.00 67.50 11.00 0.00 0.00 0.00 a 127.07
1967 0.00 0.00 0.00 0.00 3.00 48.50 91.50 189.50 40.00 0.00 0.00 0.00 372.50
1968 0.00 0.00 4.00 0.00 0.00 15.00 144.50 55.50 10.34 a 0.00 0.00 a 0.00 a 229.34
1969 0.00 0.00 a 0.00 z 0.00 z 2.00 74.00 54.00 25.50 13.00 0.00 0.00 0.00 168.50
1970 0.00 0.00 0.00 0.00 0.00 78.50 111.50 63.00 0.00 0.00 0.00 0.00 253.00
1971 0.00 0.00 0.00 0.00 0.00 7.00 156.00 144.50 0.00 0.00 0.00 0.00 307.50
1972 0.00 0.00 0.00 0.00 8.00 11.50 58.50 102.50 7.50 0.00 0.00 0.00 188.00
1973 0.00 0.00 0.00 0.00 9.00 31.00 124.00 93.00 10.50 0.00 0.00 0.00 267.50
1974 0.00 0.00 0.00 0.00 0.00 45.50 61.00 90.50 9.00 0.00 0.00 0.00 206.00
1975 0.00 0.00 0.00 0.00 0.00 6.00 157.50 29.00 6.50 0.00 0.00 0.00 199.00
1976 0.00 0.00 0.00 0.00 0.00 7.00 54.00 29.00 8.00 0.00 0.00 0.00 98.00
1977 0.00 0.00 0.00 1.50 0.00 32.50 63.50 205.50 0.00 0.00 0.00 0.00 303.00
1978 0.00 0.00 0.00 0.00 0.00 41.00 87.50 75.50 0.00 0.00 0.00 0.00 204.00
1979 0.00 0.00 0.00 0.00 1.00 50.50 158.21 b 95.00 11.00 2.00 0.00 0.00 317.71
1980 0.00 0.00 0.00 a 0.00 0.00 a 2.00 88.50 26.00 7.50 0.00 a 0.00 0.00 124.00
1981 0.00 0.00 0.00 0.00 0.00 4.50 65.00 169.00 23.00 0.00 0.00 0.00 261.50
1982 0.00 0.00 0.00 0.00 0.50 77.00 92.00 72.50 24.50 0.00 0.00 0.00 266.50
1983 0.00 0.00 0.00 0.00 27.50 6.00 31.50 84.50 1.50 0.00 0.00 0.00 151.00
1984 0.00 0.00 0.00 0.00 2.00 9.00 82.00 85.50 0.00 0.00 0.00 0.00 178.50
1985 0.00 0.00 0.00 0.00 5.50 20.00 179.44 e 21.00 0.00 0.00 0.00 0.00 z 225.94
1986 0.00 0.00 0.00 a 0.00 30.00 73.50 34.00 128.50 4.50 0.00 0.00 0.00 270.50
1987 0.00 0.00 a 0.00 0.00 4.00 59.50 66.00 27.00 g 44.00 0.00 0.00 0.00 173.50
1988 0.00 0.00 0.00 0.00 0.00 23.50 110.50 59.00 26.50 0.00 0.00 0.00 219.50
1989 0.00 0.00 0.00 0.00 0.00 16.00 47.50 49.00 0.00 0.00 z 0.00 0.00 112.50
1990 0.00 0.00 0.00 0.00 0.00 17.50 145.50 182.50 18.50 0.00 0.00 0.00 364.00
1991 0.00 0.00 0.00 0.00 0.00 0.00 69.50 134.50 6.00 2.00 0.00 0.00 212.00
1992 0.00 0.00 0.00 0.00 3.50 102.00 72.00 120.50 10.00 0.00 0.00 0.00 308.00
1993 0.00 0.00 0.00 0.00 23.50 9.00 2.00 48.50 20.00 0.00 0.00 0.00 103.00
1994 0.00 0.00 0.00 0.00 2.50 20.50 159.50 72.00 12.50 0.00 0.00 0.00 267.00
1995 0.00 0.00 0.00 0.00 5.00 14.00 83.50 37.00 22.50 0.00 0.00 0.00 162.00
1996 0.00 0.00 0.00 0.00 0.00 1.50 156.00 79.50 4.00 0.00 0.00 0.00 241.00
1997 0.00 0.00 0.00 0.00 2.00 4.00 56.00 110.00 11.00 0.00 0.00 0.00 183.00
1998 0.00 0.00 0.00 0.00 0.00 5.00 205.00 136.00 56.00 0.00 0.00 0.00 402.00
1999 0.00 0.00 0.00 0.00 0.00 16.55 a 61.50 113.50 0.00 0.00 a 0.00 0.00 191.55
2000 0.00 0.00 a 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 10.50 0.00 a 0.00 0.00 d 10.50
2001 0.00 0.00 0.00 0.00 a 10.33 a 8.00 90.00 123.00 g 23.00 0.00 0.00 a 0.00 131.33
2002 0.00 0.00 z 0.00 0.00 0.00 41.00 132.00 i 94.00 1.50 0.00 z 0.00 0.00 136.50
2003 0.00 0.00 0.00 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 4.00 0.00 z 0.00 z 4.00
2004 0.00 z 0.00 z 0.00 z 0.00 z 0.00 62.00 179.50 170.50 0.00 z 0.00 z 0.00 z 0.00 z 412.00
2005 0.00 z 0.00 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 4.50 0.00 0.00 z 0.00 z 4.50
2006 0.00 z 0.00 z 0.00 0.00 z 0.00 z 0.00 z 163.50 0.00 z 0.00 z 0.00 e 0.00 0.00 z 163.50
2007 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
2008 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
2009 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 0.00 0.00 0.00
2010 0.00 0.00 0.00 0.00 0.00 3.50 94.50 73.50 0.50 0.00 0.00 0.00 172.00
2011 0.00 0.00 0.00 0.00 0.00 0.50 25.50 73.00 19.50 0.00 0.00 0.00 118.50
2012 0.00 0.00 0.00 0.00 3.50 8.00 130.00 110.50 0.00 0.00 0.00 0.00 252.00
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 0.04 0.07 2.97 20.19 89.41 72.31 9.67 0.21 0.00 0.00 187.93
S.D. 0.00 0.00 0.38 0.55 6.90 23.82 47.77 44.45 11.60 0.80 0.00 0.00 87.91
SKEW 0.00 0.00 10.25 9.23 3.13 1.52 0.55 0.89 1.90 3.90 0.00 0.00 0.90
MAX 0.00 0.00 4.00 5.50 36.00 102.00 234.50 205.50 56.25 4.50 0.00 0.00 526.00
MIN 0.00 0.00 0.00 0.00 0.00 0.00 2.00 4.00 0.00 0.00 0.00 0.00 28.00
NO YRS 104 104 108 105 106 104 105 104 104 106 107 101 84