SEATTLE TCOMA WSCMO AP, WASHINGTON

Monthly Total Cooling Degree Days

(457473)

Base Temperature = 65 F

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
1931 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
1932 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
1933 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
1934 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
1935 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
1936 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
1937 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
1938 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
1939 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
1940 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
1941 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
1942 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
1943 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
1944 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
1945 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
1946 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
1947 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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 30.50 f 19.50 3.50 9.00 0.00 0.00 0.00 32.00
1949 0.00 0.00 0.00 0.00 0.00 6.00 25.00 23.50 30.00 0.00 0.00 0.00 84.50
1950 0.00 0.00 0.00 0.00 0.00 18.50 17.00 28.50 9.00 0.00 0.00 0.00 73.00
1951 0.00 0.00 0.00 0.00 0.00 23.50 38.00 7.50 11.50 1.50 0.00 0.00 82.00
1952 0.00 0.00 0.00 0.00 0.00 0.00 35.50 40.50 11.00 0.00 0.00 0.00 87.00
1953 0.00 0.00 0.00 0.00 6.50 0.00 14.50 11.50 5.00 0.00 0.00 0.00 37.50
1954 0.00 0.00 0.00 0.00 0.00 0.00 2.50 2.50 0.00 0.00 0.00 0.00 5.00
1955 0.00 0.00 0.00 0.00 0.00 18.50 5.50 7.00 9.00 0.00 0.00 0.00 40.00
1956 0.00 0.00 0.00 0.00 13.00 1.50 61.00 28.50 3.00 0.00 0.00 0.00 107.00
1957 0.00 0.00 0.00 0.00 1.00 0.50 3.50 0.00 10.50 0.00 0.00 0.00 15.50
1958 0.00 0.00 0.00 0.00 27.50 53.00 133.00 68.50 14.00 0.00 0.00 0.00 296.00
1959 0.00 0.00 0.00 0.00 3.00 9.50 93.50 11.00 0.00 0.00 0.00 0.00 117.00
1960 0.00 0.00 0.00 0.00 0.00 5.00 97.50 46.00 5.00 0.00 0.00 0.00 153.50
1961 0.00 0.00 0.00 0.00 3.50 52.00 89.00 113.50 15.00 3.00 0.00 0.00 276.00
1962 0.00 0.00 0.00 0.00 0.00 17.00 55.50 13.00 4.50 0.00 0.00 0.00 90.00
1963 0.00 0.00 0.00 0.00 34.00 23.00 3.50 28.00 33.50 2.00 0.00 0.00 124.00
1964 0.00 0.00 0.00 0.00 10.00 0.00 37.50 21.00 0.00 0.00 0.00 0.00 68.50
1965 0.00 0.00 0.00 0.00 0.00 14.50 111.50 69.00 0.50 0.00 0.00 0.00 195.50
1966 0.00 0.00 0.00 0.00 0.50 8.00 13.00 40.50 6.00 0.00 0.00 0.00 68.00
1967 0.00 0.00 0.00 0.00 3.00 27.50 63.00 189.00 67.00 0.00 0.00 0.00 349.50
1968 0.00 0.00 0.00 0.00 0.00 16.00 98.00 34.00 7.00 0.00 0.00 0.00 155.00
1969 0.00 0.00 0.00 0.00 18.50 52.00 42.00 22.50 26.50 0.00 0.00 0.00 161.50
1970 0.00 0.00 0.00 0.00 0.50 56.50 55.00 32.50 5.50 0.00 0.00 0.00 150.00
1971 0.00 0.00 0.00 0.00 3.50 1.50 102.50 101.50 0.00 0.00 0.00 0.00 209.00
1972 0.00 0.00 0.00 0.00 21.00 2.50 81.00 87.00 10.50 0.00 0.00 0.00 202.00
1973 0.00 0.00 0.00 0.00 15.50 17.50 64.50 15.00 20.50 0.00 0.00 0.00 133.00
1974 0.00 0.00 0.00 0.00 0.00 32.50 36.00 58.00 58.00 0.00 0.00 0.00 184.50
1975 0.00 0.00 0.00 0.00 0.00 19.50 103.00 25.50 36.00 0.00 0.00 0.00 184.00
1976 0.00 0.00 0.00 7.00 3.50 13.00 54.00 27.00 12.50 0.00 0.00 0.00 117.00
1977 0.00 0.00 0.00 0.00 0.00 25.00 42.00 153.50 3.00 0.00 0.00 0.00 223.50
1978 0.00 0.00 0.00 0.00 3.00 63.50 71.00 60.50 0.00 0.00 0.00 0.00 198.00
1979 0.00 0.00 0.00 0.00 1.50 25.00 103.00 12.00 19.00 0.00 0.00 0.00 160.50
1980 0.00 0.00 0.00 0.00 0.00 0.00 32.00 14.00 2.50 2.00 0.00 0.00 50.50
1981 0.00 0.00 0.00 0.00 1.00 3.00 33.00 125.50 22.50 0.00 0.00 0.00 185.00
1982 0.00 0.00 0.00 0.00 0.00 50.00 28.00 50.00 12.50 0.00 0.00 0.00 140.50
1983 0.00 0.00 0.00 0.00 23.00 1.50 22.00 39.00 0.00 0.00 0.00 0.00 85.50
1984 0.00 0.00 0.00 0.00 1.00 4.00 58.50 42.00 9.50 0.00 0.00 0.00 115.00
1985 0.00 0.00 0.00 0.00 2.00 16.00 120.00 56.00 0.00 0.00 0.00 0.00 194.00
1986 0.00 0.00 0.00 0.00 21.50 25.50 9.50 119.00 26.00 0.00 0.00 0.00 201.50
1987 0.00 0.00 0.00 0.00 10.00 39.50 35.50 75.50 32.50 5.00 0.00 0.00 198.00
1988 0.00 0.00 0.00 0.00 7.00 9.00 73.00 54.00 34.50 1.00 0.00 0.00 178.50
1989 0.00 0.00 0.00 0.00 1.50 43.00 29.00 41.00 44.00 0.00 0.00 0.00 158.50
1990 0.00 0.00 0.00 0.00 0.00 9.00 123.50 94.50 19.50 0.00 0.00 0.00 246.50
1991 0.00 0.00 0.00 0.00 0.00 0.00 81.00 91.00 31.50 0.00 0.00 0.00 203.50
1992 0.00 0.00 0.00 0.00 16.50 67.00 80.00 80.50 7.50 0.00 0.00 0.00 251.50
1993 0.00 0.00 0.00 0.00 8.50 6.50 0.50 67.50 30.00 0.00 0.00 0.00 113.00
1994 0.00 0.00 0.00 0.00 0.50 5.00 115.00 78.00 26.50 0.00 0.00 0.00 225.00
1995 0.00 0.00 0.00 0.00 12.00 52.00 84.00 17.50 32.50 0.00 0.00 0.00 198.00
1996 0.00 0.00 0.00 1.00 0.00 1.50 133.00 77.50 0.50 0.00 0.00 0.00 213.50
1997 0.00 0.00 0.00 0.00 3.50 0.00 25.50 97.00 14.50 0.00 0.00 0.00 140.50
1998 0.00 0.00 0.00 2.00 1.00 6.00 103.50 78.00 27.50 0.00 0.00 0.00 218.00
1999 0.00 0.00 0.00 0.00 0.00 17.00 27.00 37.50 19.50 0.00 0.00 0.00 101.00
2000 0.00 0.00 0.00 0.00 0.00 27.00 41.50 24.50 7.50 0.00 0.00 0.00 100.50
2001 0.00 0.00 0.00 0.00 10.50 2.00 12.50 42.00 0.00 0.00 0.00 0.00 67.00
2002 0.00 0.00 0.00 0.00 0.00 32.00 59.00 56.50 6.00 0.00 0.00 0.00 153.50
2003 0.00 0.00 0.00 0.00 0.50 54.50 106.00 56.50 40.00 0.00 0.00 0.00 257.50
2004 0.00 0.00 0.00 0.00 0.00 50.00 122.00 84.50 0.00 0.00 0.00 0.00 256.50
2005 0.00 0.00 0.00 0.00 16.00 5.00 55.50 72.50 3.00 0.00 0.00 0.00 152.00
2006 0.00 0.00 0.00 0.00 7.50 43.00 47.00 j 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 50.50
Period of Record Statistics
MEAN 0.00 0.00 0.00 0.17 5.39 20.20 58.29 52.64 15.38 0.25 0.00 0.00 153.54
S.D. 0.00 0.00 0.00 0.96 8.06 19.71 38.67 39.21 15.21 0.85 0.00 0.00 73.08
SKEW 0.00 0.00 0.00 6.54 1.70 0.82 0.30 1.10 1.24 3.98 0.00 0.00 0.17
MAX 0.00 0.00 0.00 7.00 34.00 67.00 133.00 189.00 67.00 5.00 0.00 0.00 349.50
MIN 0.00 0.00 0.00 0.00 0.00 0.00 0.50 0.00 0.00 0.00 0.00 0.00 5.00
NO YRS 58 58 58 58 58 58 58 58 58 58 58 58 57