SNOQUALMIE FALLS, WASHINGTON

Monthly Total Cooling Degree Days

(457773)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201007
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
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 n 0.00 b 0.00 0.00 0.00 0.00 73.50 41.00 17.50 2.00 0.00 z 0.00 z 134.00
1900 0.00 0.00 0.00 2.00 35.50 53.79 a 110.57 a 37.50 22.00 0.00 1.00 0.00 z 262.36
1901 0.00 z 0.00 z 0.00 z 0.00 e 5.34 b 4.50 0.00 9.50 2.00 0.00 0.00 0.00 21.34
1902 0.00 0.00 0.00 0.00 4.00 14.00 29.50 36.50 2.50 0.00 0.00 a 0.00 86.50
1903 0.00 0.00 z 0.00 a 0.00 a 0.00 30.00 0.00 z 25.50 0.00 a 0.00 z 0.00 u 0.00 a 55.50
1904 0.00 0.00 0.00 0.00 0.00 15.00 93.00 54.00 4.00 0.00 0.00 0.00 166.00
1905 0.00 0.00 0.00 0.00 0.50 7.50 52.38 b 73.88 a 1.61 b 0.00 d 0.00 0.00 e 135.87
1906 0.00 a 0.00 0.00 0.00 0.00 12.50 173.00 26.00 2.50 0.00 0.00 c 0.00 a 214.00
1907 0.00 0.00 b 0.00 0.00 a 5.00 21.50 74.50 29.21 e 9.00 0.00 0.00 0.00 139.21
1908 0.00 0.00 0.00 4.50 0.00 13.00 123.00 35.50 0.50 0.00 0.00 0.00 176.50
1909 0.00 0.00 0.00 0.00 0.00 6.50 11.00 1.00 14.50 0.00 0.00 0.00 33.00
1910 0.00 0.00 0.00 0.00 5.50 6.50 73.50 11.50 0.00 0.00 0.00 0.00 97.00
1911 0.00 0.00 0.00 0.00 0.50 14.00 111.50 20.50 2.00 0.00 0.00 0.00 148.50
1912 0.00 0.00 0.00 0.00 9.00 45.00 67.50 40.50 1.50 0.00 0.00 0.00 163.50
1913 0.00 0.00 0.00 0.00 0.00 2.78 c 84.50 98.50 1.50 0.00 0.00 0.00 d 187.28
1914 0.00 0.00 0.00 0.00 4.00 34.00 48.00 24.50 h 2.50 0.00 0.00 0.00 88.50
1915 0.00 0.00 0.00 0.00 0.00 19.50 81.50 70.50 0.00 0.00 0.00 0.00 171.50
1916 0.00 0.00 0.00 0.00 0.00 24.50 29.00 58.00 1.50 0.00 0.00 0.00 113.00
1917 0.00 0.00 0.00 0.00 a 1.50 4.50 99.00 87.00 2.50 3.50 0.00 a 0.00 198.00
1918 0.00 0.00 0.00 0.00 0.00 53.50 101.50 106.00 36.00 0.00 0.00 0.00 297.00
1919 0.00 0.00 0.00 0.00 3.50 11.50 87.00 79.50 14.50 0.00 0.00 0.00 196.00
1920 0.00 0.00 0.00 0.00 1.00 51.00 141.00 108.00 17.00 0.00 0.00 0.00 318.00
1921 0.00 0.00 0.00 0.00 0.00 5.00 21.50 45.50 0.00 0.00 0.00 0.00 72.00
1922 0.00 0.00 0.00 0.00 7.50 27.50 43.50 32.50 8.00 0.00 0.00 0.00 119.00
1923 0.00 0.00 0.00 4.44 c 0.00 43.50 95.50 79.00 0.00 0.00 0.00 0.00 222.44
1924 0.00 0.00 0.00 1.00 10.50 27.00 62.00 31.00 9.00 0.00 0.00 0.00 140.50
1925 0.00 0.00 0.00 0.00 4.00 18.50 38.00 10.50 0.00 0.00 0.00 0.00 71.00
1926 0.00 0.00 0.00 0.50 1.00 35.50 64.50 10.50 0.00 0.00 0.00 0.00 112.00
1927 0.00 0.00 0.00 0.00 0.00 10.50 55.50 55.00 0.00 0.00 0.00 0.00 121.00
1928 0.00 0.00 2.50 0.00 5.50 6.00 63.00 7.00 2.00 0.00 0.00 0.00 86.00
1929 0.00 0.00 0.00 0.00 0.00 0.00 10.33 a 12.00 0.00 6.00 0.00 b 0.00 28.33
1930 0.00 0.00 0.00 0.00 a 0.00 5.00 27.50 29.50 0.50 0.00 0.00 0.00 62.50
1931 0.00 0.00 0.00 0.00 6.50 6.50 34.00 16.00 15.00 0.00 b 0.00 0.00 78.00
1932 0.00 0.00 0.00 0.00 0.00 21.50 4.00 15.50 1.00 0.00 0.00 0.00 42.00
1933 0.00 0.00 0.00 0.00 0.00 1.50 7.50 45.50 0.00 0.00 0.00 0.00 54.50
1934 0.00 0.00 0.00 5.00 5.00 0.00 7.00 16.00 4.00 0.00 0.00 0.00 37.00
1935 0.00 0.00 0.00 f 0.00 0.00 5.50 41.50 12.50 1.00 0.00 z 0.00 v 0.00 60.50
1936 0.00 0.00 0.00 0.00 5.50 5.00 2.00 32.00 2.00 0.00 0.00 0.00 46.50
1937 0.00 0.00 0.00 z 0.00 u 0.00 11.00 21.50 15.00 7.00 6.00 0.00 0.00 60.50
1938 0.00 0.00 0.00 0.50 0.00 6.50 55.50 0.50 6.00 0.00 0.00 0.00 69.00
1939 0.00 0.00 0.00 4.00 2.00 2.50 34.50 31.00 2.00 0.00 0.00 0.00 76.00
1940 0.00 0.00 0.00 4.00 5.00 8.50 13.00 21.00 10.00 5.50 0.00 0.00 67.00
1941 0.00 a 0.00 0.00 a 0.00 1.50 11.00 85.50 26.50 0.00 0.00 0.00 0.00 124.50
1942 0.00 0.00 3.00 0.00 0.50 18.00 94.50 100.00 0.00 1.50 0.00 0.00 217.50
1943 0.00 0.00 0.00 0.00 0.00 2.00 26.50 10.50 4.50 0.00 0.00 0.00 43.50
1944 0.00 0.00 0.00 2.14 b 2.50 9.00 43.50 28.00 11.00 2.00 0.00 0.00 98.14
1945 0.00 0.00 0.00 0.00 0.00 5.00 30.50 27.50 1.50 0.00 0.00 0.00 64.50
1946 0.00 0.00 0.00 0.00 5.50 0.50 38.50 17.50 1.50 0.00 0.00 0.00 63.50
1947 0.00 0.00 0.00 3.00 3.50 1.50 8.50 2.00 0.00 0.00 0.00 0.00 18.50
1948 0.00 0.00 0.00 0.00 0.00 16.03 a 15.00 4.00 0.00 1.50 0.00 0.00 36.53
1949 0.00 0.00 a 0.00 0.00 0.00 0.00 8.00 18.00 7.24 a 0.00 0.00 0.00 33.24
1950 0.00 0.00 0.00 0.00 0.00 11.00 7.50 21.50 1.00 0.00 0.00 0.00 41.00
1951 0.00 0.00 0.00 0.00 0.00 14.00 22.50 3.50 3.50 9.00 0.00 0.00 52.50
1952 0.00 0.00 0.00 0.00 0.00 0.00 24.00 43.50 5.00 0.00 0.00 0.00 72.50
1953 0.00 0.00 0.00 0.00 17.00 0.00 18.00 16.50 3.50 0.00 0.00 0.00 55.00
1954 0.00 0.00 0.00 0.00 0.00 0.00 2.50 2.67 b 0.00 3.00 0.00 a 0.00 8.17
1955 0.00 0.00 0.00 0.00 0.00 23.50 6.00 4.00 0.50 0.00 0.00 0.00 a 34.00
1956 0.00 0.00 a 0.00 0.00 a 16.50 5.00 53.50 29.00 1.50 0.00 0.00 0.00 105.50
1957 0.00 0.00 e 0.00 0.00 0.00 0.00 1.07 b 0.00 3.50 0.00 0.00 0.00 4.57
1958 0.00 0.00 0.00 0.00 20.50 64.50 163.50 62.50 12.00 0.00 0.00 0.00 323.00
1959 0.00 0.00 0.00 0.00 12.00 8.50 52.50 7.00 0.00 0.00 0.00 0.00 80.00
1960 0.00 0.00 0.00 0.00 0.00 1.00 78.50 49.50 1.00 0.00 0.00 0.00 130.00
1961 0.00 0.00 0.00 0.00 1.50 28.50 71.00 70.50 4.50 11.50 0.00 0.00 187.50
1962 0.00 0.00 0.00 0.00 0.00 1.50 38.50 15.00 1.00 0.00 0.00 0.00 56.00
1963 0.00 0.00 0.00 0.00 27.00 5.50 0.00 16.50 19.00 0.00 0.00 0.00 68.00
1964 0.00 0.00 0.00 0.00 5.50 2.50 14.00 16.50 0.00 0.00 0.00 0.00 38.50
1965 0.00 0.00 0.00 0.50 0.00 2.00 66.50 44.00 0.00 0.00 0.00 0.00 113.00
1966 0.00 0.00 0.00 0.00 0.00 16.50 3.50 19.00 0.50 0.00 0.00 0.00 39.50
1967 0.00 0.00 0.00 a 0.00 0.50 15.00 11.50 92.00 22.50 0.00 0.00 0.00 141.50
1968 0.00 0.00 0.00 0.00 1.00 3.50 48.50 15.50 0.50 0.00 0.00 0.00 69.00
1969 0.00 0.00 0.00 0.00 17.00 27.00 7.50 5.50 5.00 0.00 0.00 0.00 62.00
1970 0.00 0.00 0.00 0.00 0.00 24.00 27.50 12.00 6.50 0.00 0.00 0.00 70.00
1971 0.00 0.00 0.00 0.00 1.50 0.00 71.00 56.00 0.00 0.00 0.00 0.00 128.50
1972 0.00 0.00 0.00 0.00 15.50 0.00 27.50 45.50 3.00 0.00 0.00 0.00 91.50
1973 0.00 0.00 0.00 0.00 11.50 10.00 30.50 11.00 7.00 0.00 0.00 0.00 70.00
1974 0.00 0.00 0.00 0.00 0.00 5.00 14.00 32.00 21.50 0.00 0.00 0.00 72.50
1975 0.00 0.00 0.00 0.00 0.50 3.00 33.00 8.50 8.00 0.00 0.00 0.00 53.00
1976 0.00 0.00 0.00 0.00 0.00 2.00 9.00 0.50 0.00 0.00 0.00 z 0.00 11.50
1977 0.00 0.00 0.00 0.00 0.00 9.50 17.50 121.50 0.50 0.00 0.00 0.00 149.00
1978 0.00 0.00 0.00 0.00 0.00 37.50 48.50 28.50 0.00 0.00 0.00 0.00 114.50
1979 0.00 0.00 0.00 0.00 b 0.00 3.50 65.50 4.65 a 17.00 0.00 0.00 0.00 90.65
1980 0.00 0.00 0.00 0.50 0.00 0.00 14.50 9.50 0.00 8.00 0.00 0.00 32.50
1981 0.00 0.00 0.00 0.00 0.00 4.50 28.50 95.50 17.50 0.00 0.00 0.00 146.00
1982 0.00 0.00 0.00 0.00 1.00 39.50 27.00 29.00 0.00 z 0.00 0.00 0.00 96.50
1983 0.00 0.00 0.00 0.00 19.50 0.50 12.00 10.50 0.00 0.00 0.00 0.00 42.50
1984 0.00 0.00 0.00 0.00 0.00 5.50 32.00 14.50 0.00 0.00 0.00 0.00 52.00
1985 0.00 0.00 0.00 0.00 3.00 9.50 96.50 25.00 0.00 0.00 0.00 0.00 134.00
1986 0.00 0.00 0.00 0.00 13.00 15.00 4.50 88.00 7.00 0.00 0.00 0.00 127.50
1987 0.00 0.00 0.00 a 4.00 5.50 35.50 32.50 53.50 16.00 5.50 0.00 0.00 152.50
1988 0.00 0.00 0.00 0.00 7.00 7.50 39.00 33.50 29.00 0.00 0.00 0.00 116.00
1989 0.00 0.00 0.00 4.00 0.00 34.50 19.50 16.00 3.50 0.00 0.00 0.00 77.50
1990 0.00 0.00 0.00 0.00 0.00 7.00 84.00 65.00 6.50 0.00 0.00 0.00 162.50
1991 0.00 0.00 0.00 0.00 0.00 0.50 35.00 84.00 9.50 0.00 0.00 0.00 129.00
1992 0.00 0.00 0.00 1.50 9.50 39.50 46.50 55.50 3.50 1.00 0.00 0.00 157.00
1993 0.00 0.00 0.00 0.00 12.00 0.00 0.00 38.50 20.50 0.00 0.00 0.00 71.00
1994 0.00 0.00 0.00 0.00 0.00 0.00 62.00 26.50 2.50 0.00 0.00 0.00 91.00
1995 0.00 0.00 0.00 0.00 0.00 17.00 57.50 7.00 5.00 0.00 z 0.00 0.00 86.50
1996 0.00 z 0.00 0.00 0.00 0.00 0.00 z 87.00 39.50 0.00 0.00 0.00 0.00 126.50
1997 0.00 0.00 0.00 0.00 1.50 0.00 16.00 52.00 10.00 0.00 0.00 0.00 79.50
1998 0.00 0.00 0.00 0.00 2.00 4.50 83.00 47.00 16.00 0.00 0.00 0.00 152.50
1999 0.00 0.00 0.00 1.50 0.00 20.50 9.00 26.87 a 3.00 0.00 0.00 0.00 a 60.87
2000 0.00 0.00 0.00 0.00 0.00 a 20.50 26.50 14.47 a 5.50 0.00 0.00 0.00 66.97
2001 0.00 0.00 0.00 0.00 7.75 a 2.50 8.00 33.50 1.00 0.00 a 0.00 0.00 a 52.75
2002 0.00 0.00 0.00 0.00 0.00 26.90 a 44.00 30.50 2.00 0.00 0.00 0.00 103.40
2003 0.00 0.00 0.00 0.00 0.50 35.50 0.00 z 48.00 18.00 0.00 0.00 z 0.00 c 102.00
2004 0.00 0.00 0.00 0.00 2.00 39.00 141.50 139.50 6.50 0.00 0.00 0.00 328.50
2005 0.00 0.00 0.00 d 0.00 15.00 1.50 37.00 78.00 0.50 0.00 0.00 0.00 132.00
2006 0.00 0.00 0.00 0.00 3.50 22.50 99.50 44.50 16.00 0.00 0.00 0.00 g 186.00
2007 0.00 0.00 0.00 0.00 3.00 11.00 63.00 32.50 9.00 0.00 0.00 0.00 118.50
2008 0.00 0.00 0.00 0.00 8.50 16.50 8.50 51.50 0.00 0.00 0.00 p 0.00 z 85.00
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 z 0.00 z 0.00 z 0.00
2010 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
Period of Record Statistics
MEAN 0.00 0.00 0.05 0.40 3.66 13.72 45.98 36.19 5.54 0.62 0.01 0.00 105.75
S.D. 0.00 0.00 0.38 1.12 6.21 14.42 37.78 29.70 7.18 1.95 0.10 0.00 67.20
SKEW 0.00 0.00 7.20 2.93 2.47 1.31 1.05 1.18 1.71 3.63 10.05 0.00 1.31
MAX 0.00 0.00 3.00 5.00 35.50 64.50 173.00 139.50 36.00 11.50 1.00 0.00 328.50
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 4.57
NO YRS 107 108 107 109 110 109 108 109 109 107 104 106 96