SNOQUALMIE FALLS, WASHINGTON

Monthly Total Precipitation (inches)

(457773)

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.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
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 4.42 7.33 5.78 17.53
1899 11.34 8.75 4.00 8.74 6.65 3.56 0.78 4.66 2.39 5.93 11.11 0.00 z 67.91
1900 6.89 5.39 7.57 3.85 5.98 4.66 1.70 2.00 1.79 9.40 5.84 11.75 66.82
1901 0.00 z 5.66 g 5.71 b 5.60 2.73 2.89 1.15 0.15 2.93 2.36 9.10 4.38 37.00
1902 7.11 8.32 7.75 5.43 6.07 1.77 2.97 0.97 3.35 3.50 11.25 b 10.45 68.94
1903 17.85 0.00 z 4.30 3.05 4.40 2.98 0.00 z 1.89 7.48 0.00 z 3.39 u 8.16 50.11
1904 9.07 4.74 c 8.68 4.05 1.98 3.35 0.70 0.20 0.75 5.19 11.79 8.82 59.32
1905 4.15 3.83 5.12 2.31 6.75 3.48 0.60 1.44 1.87 6.61 4.31 4.07 e 44.54
1906 6.74 4.87 2.15 1.92 4.59 4.02 0.34 0.22 4.45 6.10 6.49 c 7.49 49.38
1907 5.12 7.57 2.88 3.89 1.18 2.15 1.34 2.49 2.98 1.59 7.99 7.30 46.48
1908 5.17 6.06 7.77 4.40 5.51 2.00 1.11 1.79 0.42 5.64 6.58 7.37 53.82
1909 8.39 6.40 3.19 3.06 3.79 0.67 1.24 0.91 5.25 4.33 17.08 4.68 58.99
1910 7.15 8.58 6.76 4.21 3.18 1.80 0.02 0.36 1.26 8.99 11.01 5.96 59.28
1911 5.30 3.13 2.13 2.21 6.78 0.83 1.00 0.60 5.82 1.04 8.65 7.00 44.49
1912 6.39 4.56 2.54 4.50 3.03 3.91 0.99 3.81 1.53 5.52 9.88 10.10 56.76
1913 8.74 2.20 3.53 1.41 3.29 4.22 1.72 0.69 5.34 4.90 7.07 2.04 45.15
1914 12.92 3.91 3.90 5.14 1.70 3.32 0.04 0.01 3.52 5.11 8.20 2.11 49.88
1915 6.86 3.23 3.19 4.61 4.34 1.37 1.72 0.06 2.28 6.79 7.98 9.75 52.18
1916 4.76 8.35 10.34 4.43 2.82 3.64 4.66 1.02 1.61 2.16 7.23 6.52 57.54
1917 5.53 2.77 7.09 8.16 1.19 5.69 0.46 0.00 1.45 0.75 3.89 20.10 57.08
1918 8.56 8.02 6.25 3.05 3.11 0.24 2.00 3.47 0.23 6.99 5.43 9.98 57.33
1919 12.60 5.67 4.58 5.99 3.74 1.47 0.22 0.65 3.38 5.79 6.71 6.38 57.18
1920 6.89 0.69 5.51 7.73 2.02 1.98 1.28 1.87 5.26 7.04 4.49 7.80 52.56
1921 7.97 7.18 5.31 4.86 3.50 2.74 0.72 1.53 5.35 5.43 7.40 8.98 60.97
1922 4.02 4.63 6.64 4.98 3.99 0.06 0.00 2.64 3.12 6.73 2.73 10.05 49.59
1923 11.89 2.04 4.73 3.24 2.51 2.92 1.34 2.04 1.44 4.72 4.28 8.65 49.80
1924 6.76 8.42 2.26 4.55 0.89 1.84 1.82 1.51 3.86 8.36 6.72 7.73 54.72
1925 10.17 5.75 3.68 2.30 2.34 1.13 0.00 1.82 0.36 1.54 5.52 8.64 43.25
1926 7.13 6.99 2.56 1.98 3.94 0.60 0.00 2.03 2.53 6.68 6.16 5.68 46.28
1927 8.39 8.83 5.18 3.74 4.23 0.56 0.67 2.22 4.60 6.37 11.72 6.29 62.80
1928 5.72 1.14 11.21 6.36 1.08 2.37 1.64 0.03 1.69 8.09 3.37 5.78 48.48
1929 4.32 a 3.49 6.66 3.67 3.70 4.14 0.20 0.83 1.05 2.74 2.09 10.85 43.74
1930 2.73 7.56 4.34 3.98 4.05 2.08 0.00 0.00 1.28 6.27 3.36 2.81 38.46
1931 8.65 6.33 7.65 3.07 2.11 7.04 0.06 0.24 4.48 5.43 7.07 7.54 59.67
1932 9.18 9.20 9.74 4.37 2.08 0.78 2.90 2.44 1.15 7.28 15.40 9.26 73.78
1933 10.38 4.64 7.24 1.55 4.52 1.98 0.92 2.85 6.65 6.60 6.69 25.66 79.68
1934 13.08 1.69 5.56 2.54 3.26 0.27 0.96 0.92 3.55 9.46 11.50 7.90 60.69
1935 11.57 2.87 5.39 f 2.20 1.74 3.46 1.19 0.91 3.20 4.51 3.95 5.23 40.83
1936 10.21 7.25 6.44 1.60 5.14 4.21 1.90 1.12 3.34 1.51 1.38 10.86 54.96
1937 4.51 8.51 4.02 8.14 2.63 5.30 1.47 2.14 2.46 3.89 13.90 10.68 67.65
1938 5.38 3.54 6.91 4.68 2.35 1.00 0.23 0.76 1.07 4.45 7.30 7.44 45.11
1939 9.08 7.18 3.81 1.05 3.13 3.92 1.92 0.61 1.48 5.00 5.58 11.79 54.55
1940 3.11 8.71 6.39 4.70 3.66 0.41 1.67 0.68 2.05 6.99 5.58 6.71 50.66
1941 3.95 a 1.81 2.38 a 4.03 5.35 2.72 0.16 2.45 7.68 5.12 7.07 11.56 54.28
1942 2.66 4.13 4.90 2.92 3.97 6.77 1.53 1.47 0.24 5.38 12.44 8.53 54.94
1943 3.75 3.76 8.14 4.68 4.99 2.04 0.83 2.24 0.58 8.40 3.08 3.83 46.32
1944 4.72 4.88 3.76 4.11 3.26 1.42 0.62 0.57 3.33 2.47 6.43 2.98 38.55
1945 7.44 7.98 10.43 7.02 4.54 2.02 0.34 0.74 7.18 4.94 11.96 7.17 71.76
1946 8.83 7.13 6.71 3.91 0.69 5.48 1.02 0.87 2.33 8.03 9.46 10.65 65.11
1947 8.12 6.14 4.69 5.09 0.99 8.67 1.70 1.25 4.47 13.04 11.88 7.95 73.99
1948 7.18 8.90 6.31 4.75 6.61 4.26 3.48 3.04 4.33 4.27 11.43 8.80 73.36
1949 1.99 12.58 3.97 3.06 1.28 1.46 1.73 0.70 2.23 6.30 9.31 11.65 56.26
1950 9.97 7.50 10.67 6.16 2.24 1.77 1.21 2.58 2.65 9.88 9.99 8.91 73.53
1951 9.26 11.53 5.52 1.01 3.61 1.38 0.05 1.81 2.96 7.46 6.80 8.82 60.21
1952 4.72 4.43 4.90 2.37 2.08 4.24 1.30 0.89 0.53 1.57 1.33 5.48 33.84
1953 19.53 5.28 5.44 4.79 5.05 4.70 1.18 1.93 3.34 5.64 9.32 10.80 77.00
1954 12.13 9.40 3.46 4.96 2.14 5.03 2.62 1.83 3.70 2.45 7.84 6.86 62.42
1955 3.82 8.34 6.19 6.82 3.95 2.86 3.82 0.48 3.08 9.59 13.38 12.87 a 75.20
1956 10.38 4.04 9.09 0.80 1.13 3.55 0.83 0.63 2.70 10.07 4.89 8.66 56.77
1957 4.09 7.89 7.04 3.51 2.78 4.16 1.30 a 1.96 0.98 5.47 4.38 9.83 53.39
1958 10.71 5.45 3.44 5.45 0.90 1.09 0.00 0.60 3.82 5.37 14.22 9.93 60.98
1959 11.47 3.65 7.42 5.63 3.73 3.23 1.53 1.03 7.69 5.83 10.27 9.78 71.26
1960 5.59 5.67 5.60 5.13 6.23 1.18 0.00 3.17 2.13 6.67 12.70 4.65 58.72
1961 10.32 12.26 7.43 6.28 5.17 1.21 1.48 1.39 3.21 6.99 6.04 9.71 71.49
1962 4.99 3.23 6.63 4.03 3.60 1.88 1.82 3.00 3.66 4.16 11.49 6.08 54.57
1963 2.82 6.35 4.89 4.36 2.02 4.49 2.48 0.85 1.38 7.51 10.49 6.59 54.23
1964 15.36 4.00 6.38 4.12 2.76 5.85 1.61 3.51 5.61 2.53 10.29 8.77 70.79
1965 10.48 7.51 1.00 5.61 3.95 0.29 1.08 2.79 1.26 5.56 6.69 6.53 52.75
1966 9.45 4.98 5.68 5.24 2.65 2.19 2.48 0.49 1.34 4.21 7.77 12.11 58.59
1967 13.31 5.65 5.60 3.72 1.17 1.22 0.17 0.01 2.19 9.25 4.96 10.02 57.27
1968 9.19 7.10 7.23 6.56 2.98 4.83 0.65 4.96 2.91 5.79 8.82 11.00 72.02
1969 9.98 4.32 4.34 4.53 3.49 3.19 0.65 0.88 7.79 2.38 4.43 10.10 56.08
1970 11.68 3.22 4.94 7.54 2.19 1.01 1.86 0.75 3.54 4.44 8.24 12.96 62.37
1971 12.09 6.31 11.36 3.92 4.52 3.87 1.60 1.08 4.50 6.29 7.65 9.96 73.15
1972 11.96 12.83 9.50 7.10 2.22 4.13 2.31 1.48 4.78 1.77 4.21 11.10 73.39
1973 6.98 3.05 2.85 2.79 2.99 4.28 0.15 0.72 3.34 4.84 12.65 12.20 56.84
1974 16.22 6.47 10.64 3.93 4.79 2.90 3.67 0.27 0.37 2.39 9.19 10.94 71.78
1975 8.53 9.00 6.37 4.25 3.64 2.43 0.58 4.57 0.06 12.39 10.44 14.06 76.32
1976 10.06 7.29 5.93 3.56 2.91 3.06 1.43 4.49 2.10 3.09 0.00 z 4.96 48.88
1977 2.95 3.35 5.98 2.47 4.90 0.76 1.45 4.14 3.88 4.44 8.94 9.09 52.35
1978 5.69 4.47 4.56 5.94 3.96 1.43 1.64 3.29 6.03 1.70 5.46 d 3.84 48.01
1979 2.89 11.56 2.83 4.33 2.20 1.20 2.18 0.84 2.54 4.18 1.93 17.90 54.58
1980 5.45 6.15 6.81 4.10 2.61 2.63 1.07 1.93 3.53 1.66 13.73 10.53 60.20
1981 3.17 7.71 3.71 6.83 4.52 4.26 2.10 0.69 4.85 6.89 5.39 10.77 60.89
1982 9.77 a 11.93 4.81 3.33 1.98 1.29 1.60 1.55 0.00 z 5.67 6.15 11.85 59.93
1983 12.32 5.61 6.08 1.51 2.48 3.51 4.35 2.52 3.14 2.17 14.14 6.13 e 63.96
1984 8.36 4.46 5.80 5.03 6.08 4.56 0.21 0.73 1.68 4.47 13.82 8.89 64.09
1985 1.11 4.55 4.71 5.49 3.47 3.18 0.41 0.68 3.30 10.37 6.29 b 3.14 46.70
1986 10.48 5.95 4.61 3.55 5.10 0.75 2.24 0.21 4.53 4.41 15.09 5.43 62.35
1987 9.26 2.49 8.75 5.21 3.49 0.52 1.11 0.71 0.88 0.59 5.32 10.50 b 48.83
1988 7.17 2.57 8.68 4.86 5.05 3.35 0.44 0.87 4.21 5.42 12.41 6.71 61.74
1989 8.84 a 4.42 a 8.76 3.86 3.70 1.80 0.73 1.25 1.84 4.32 9.14 6.46 55.12
1990 15.76 7.08 5.60 4.74 3.89 4.80 1.59 2.33 0.43 11.04 18.24 5.91 81.41
1991 7.38 7.94 6.41 7.63 2.98 3.45 0.44 1.50 0.55 2.02 10.15 7.85 58.30
1992 10.58 4.48 1.73 5.64 1.49 2.74 2.69 0.92 4.28 3.34 9.25 7.07 54.21
1993 5.27 0.38 6.25 6.88 5.44 5.50 3.47 1.02 0.35 2.92 3.56 6.80 47.84
1994 4.41 5.87 5.70 4.93 2.46 2.92 1.04 0.36 1.67 7.23 8.83 11.45 56.87
1995 5.07 7.16 5.34 4.20 2.45 2.76 1.41 1.82 3.09 0.00 z 18.03 8.69 60.02
1996 0.00 z 11.14 3.26 8.03 6.96 0.00 z 1.33 0.81 3.56 8.45 7.92 13.18 b 64.64
1997 10.58 5.78 12.29 6.91 3.32 a 4.94 3.31 1.36 5.65 10.43 5.03 6.07 75.67
1998 11.42 a 4.81 5.43 1.83 4.17 2.14 0.54 0.44 1.11 3.94 14.23 14.80 b 64.86
1999 12.38 11.63 5.39 2.06 4.31 4.47 2.06 1.70 1.38 6.74 15.16 10.21 77.49
2000 8.11 7.45 5.19 3.93 5.52 a 3.49 0.78 0.76 3.91 6.74 5.22 5.05 56.15
2001 4.52 2.95 5.76 5.57 2.92 2.88 1.71 2.02 0.81 7.28 a 12.42 11.39 a 60.23
2002 11.68 7.34 7.03 5.84 3.52 3.53 0.98 0.40 1.55 1.96 3.89 8.28 56.00
2003 11.71 3.41 9.99 4.73 2.38 1.73 0.00 z 0.03 3.28 7.17 0.00 z 6.05 b 50.48
2004 9.27 3.85 3.81 1.65 5.38 1.59 0.38 a 5.58 3.79 4.17 7.52 8.79 55.78
2005 4.56 1.10 9.79 4.59 4.93 3.63 b 2.02 0.64 3.59 5.27 8.25 d 8.92 a 57.29
2006 18.74 5.15 2.84 4.88 5.02 2.57 0.31 0.57 3.39 3.63 19.03 9.23 a 75.36
2007 6.87 5.17 8.61 2.43 2.71 2.61 1.41 1.20 3.04 6.92 4.67 11.62 57.26
2008 8.15 4.51 7.46 4.98 2.70 2.81 1.02 3.49 2.69 3.04 10.09 5.65 d 56.59
2009 9.81 1.45 7.00 6.06 0.00 z 0.00 z 0.00 z 1.34 3.86 8.51 13.19 3.59 54.81
2010 8.31 3.31 a 6.89 6.89 7.30 5.25 0.79 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 37.95
Period of Record Statistics
MEAN 8.25 5.86 5.89 4.43 3.53 2.86 1.31 1.49 2.97 5.46 8.49 8.61 58.73
S.D. 3.66 2.73 2.32 1.74 1.53 1.64 0.99 1.20 1.81 2.59 3.88 3.47 10.06
SKEW 0.57 0.44 0.46 0.15 0.36 0.59 1.02 1.20 0.63 0.39 0.50 1.35 0.21
MAX 19.53 12.83 12.29 8.74 7.30 8.67 4.66 5.58 7.79 13.04 19.03 25.66 81.41
MIN 1.11 0.38 1.00 0.80 0.69 0.06 0.00 0.00 0.06 0.59 1.33 2.04 33.84
NO YRS 110 110 111 112 111 110 108 111 110 110 109 111 101