SNOQUALMIE FALLS, WASHINGTON

Monthly Total Cooling Degree Days

(457773)

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 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 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3.50
Period of Record Statistics
MEAN 0.00 0.00 0.04 0.41 3.79 11.11 35.79 32.72 5.47 0.75 0.00 0.00 90.56
S.D. 0.00 0.00 0.35 1.13 6.13 13.15 32.25 29.42 6.71 2.21 0.00 0.00 60.44
SKEW 0.00 0.00 8.43 2.82 1.81 1.63 1.56 1.49 1.50 3.29 0.00 0.00 1.86
MAX 0.00 0.00 3.00 5.00 27.00 64.50 163.50 139.50 29.00 11.50 0.00 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 75 76 74 75 76 74 74 75 74 73 72 75 68