SEATTLE TCOMA WSCMO AP, WASHINGTON

Monthly Precipitation - Daily Extreme (inches)

(457473)

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.
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
1931 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 0.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 0.00
1932 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1933 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1934 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1935 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1936 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1937 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1938 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1939 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1940 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1941 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1942 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1943 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1944 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1945 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1946 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1947 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1948 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 0.92 f 0.44 0.41 1.51 0.66 0.87 0.84 1.51
1949 0.52 1.83 0.65 0.25 0.81 0.28 0.54 0.25 0.73 1.17 1.38 1.27 1.83
1950 1.46 0.83 2.08 0.75 0.28 0.22 0.36 1.20 0.99 0.92 1.17 0.88 2.08
1951 1.13 2.98 0.65 0.54 0.44 0.07 0.25 0.76 0.92 0.93 0.81 0.59 2.98
1952 1.00 0.74 0.68 0.70 0.24 0.32 0.33 0.38 0.12 0.36 0.37 0.77 1.00
1953 1.36 0.60 0.98 0.32 0.51 0.60 0.50 0.42 1.65 1.27 0.99 1.19 1.65
1954 1.64 1.23 0.83 0.52 0.61 0.84 0.75 0.37 0.48 0.70 1.00 1.15 1.64
1955 0.52 2.58 0.39 0.76 0.53 0.40 0.62 0.08 0.51 1.19 2.18 1.93 2.58
1956 1.22 0.47 0.61 0.18 0.44 0.50 0.29 0.49 0.58 1.27 0.87 1.78 1.78
1957 0.59 1.11 1.01 0.44 0.35 0.48 0.74 0.61 0.39 0.80 0.94 0.96 1.11
1958 1.78 0.70 0.38 0.78 0.56 0.62 0.00 0.11 0.39 1.19 1.22 1.13 1.78
1959 1.36 0.67 0.57 1.06 0.49 0.53 0.25 0.42 0.81 0.74 3.41 1.60 3.41
1960 1.23 1.54 0.65 0.52 0.66 0.39 0.00 0.60 0.50 1.24 1.64 1.23 1.64
1961 0.91 1.55 0.70 0.35 0.80 0.34 0.64 0.56 0.11 0.56 1.17 0.94 1.55
1962 1.28 0.38 0.76 0.61 0.70 0.21 0.27 0.61 0.77 1.16 1.46 1.00 1.46
1963 0.76 1.32 0.70 0.63 0.45 0.49 0.41 0.21 0.22 1.29 1.27 0.91 1.32
1964 1.37 0.45 0.90 0.36 0.22 0.83 0.51 0.52 0.65 0.34 1.50 1.28 1.50
1965 0.92 1.19 0.18 1.85 0.66 0.44 0.21 0.88 0.23 0.63 1.16 1.27 1.85
1966 1.23 0.72 0.93 1.04 0.76 0.53 0.50 0.29 0.86 0.83 1.68 1.70 1.70
1967 2.26 0.83 0.75 0.38 0.12 1.00 0.01 0.02 0.31 1.23 0.56 0.83 2.26
1968 1.18 1.63 0.79 0.44 0.70 1.75 0.45 1.60 0.56 0.60 1.45 1.85 1.85
1969 0.71 1.05 0.58 0.58 1.83 0.58 0.20 0.17 1.27 0.49 1.54 0.83 1.83
1970 1.63 0.94 1.18 0.92 0.69 0.16 0.30 0.24 0.71 0.56 1.08 1.67 1.67
1971 0.82 0.74 0.94 0.96 0.31 0.86 0.24 0.36 0.66 0.66 1.37 1.61 1.61
1972 1.66 2.23 2.70 0.79 0.24 0.66 0.64 0.45 1.05 0.36 0.48 1.02 2.70
1973 1.27 0.54 0.62 0.54 0.46 0.67 0.05 0.14 0.42 1.18 1.48 1.28 1.48
1974 1.39 1.03 1.20 0.39 0.20 0.46 0.51 0.01 0.16 0.90 0.80 2.14 2.14
1975 1.30 1.76 0.84 0.67 0.47 0.33 0.12 1.63 0.00 1.24 1.04 1.75 1.76
1976 1.13 0.78 0.51 0.42 0.40 0.33 0.57 0.95 0.63 0.79 0.20 0.47 1.13
1977 0.50 0.56 0.68 0.10 0.97 0.50 0.23 1.49 0.63 0.67 1.48 1.55 1.55
1978 1.01 0.74 0.70 0.68 0.41 0.31 0.73 0.30 1.65 0.78 1.05 0.51 1.65
1979 0.71 0.72 0.92 0.20 0.33 0.14 0.58 0.26 0.71 0.64 0.60 1.67 1.67
1980 0.69 0.80 0.36 1.06 0.53 0.37 0.21 0.34 0.38 0.68 1.26 1.22 1.26
1981 0.40 0.79 0.56 0.31 0.41 0.81 0.85 0.12 1.04 2.72 1.33 0.73 2.72
1982 1.09 1.40 0.48 0.79 0.13 0.58 0.17 0.33 0.61 1.53 1.06 1.66 1.66
1983 1.35 0.58 0.70 0.39 0.66 0.88 0.40 0.87 0.59 0.40 1.20 1.02 1.35
1984 1.36 0.74 0.76 0.64 0.67 1.14 0.15 0.09 0.41 0.82 1.12 0.94 1.36
1985 0.37 0.66 0.56 0.32 0.29 1.54 0.10 0.24 0.39 1.10 0.89 0.91 1.54
1986 2.98 1.16 0.63 0.60 0.34 0.32 0.40 0.05 0.59 2.13 2.49 0.75 2.98
1987 1.93 0.44 1.47 0.87 1.06 0.09 0.21 0.16 0.46 0.23 0.68 1.36 1.93
1988 1.61 0.24 0.96 0.70 0.64 0.42 0.22 0.14 0.66 0.68 1.08 0.85 1.61
1989 0.49 0.81 0.67 0.68 0.72 0.33 0.41 0.70 0.22 0.57 1.28 1.41 1.41
1990 2.83 0.56 0.45 0.48 0.96 1.08 0.39 0.27 0.03 1.04 2.95 0.82 2.95
1991 0.94 1.58 1.04 2.64 0.42 0.55 0.28 0.66 0.00 0.57 0.82 1.22 2.64
1992 1.50 0.68 0.56 0.95 0.04 0.64 0.57 0.53 0.65 0.52 0.91 1.27 1.50
1993 0.93 0.26 1.81 0.83 0.51 0.72 0.45 0.06 0.03 0.53 0.79 0.68 1.81
1994 0.54 0.74 0.46 0.58 0.22 0.45 0.12 0.12 0.60 1.05 1.34 1.65 1.65
1995 0.89 1.60 0.58 0.59 0.21 0.34 0.81 0.93 0.27 1.02 1.93 0.98 1.93
1996 1.68 3.06 0.41 1.71 0.71 0.53 0.27 0.76 0.36 0.99 1.30 1.92 3.06
1997 1.51 0.49 1.86 1.42 0.33 0.45 0.80 0.51 0.77 1.01 0.79 1.32 1.86
1998 0.95 0.68 0.79 0.50 0.65 0.50 0.11 0.20 0.46 0.70 3.04 1.53 3.04
1999 0.92 1.04 0.67 0.21 0.65 1.00 0.64 0.25 0.08 0.64 1.52 1.40 1.52
2000 0.46 1.34 0.46 0.35 0.74 0.56 0.11 0.28 0.30 0.79 1.12 0.75 1.34
2001 0.76 0.44 0.58 0.78 0.56 1.16 0.65 1.41 0.36 0.44 2.61 1.63 2.61
2002 1.21 0.95 1.01 1.45 0.21 0.79 0.58 0.02 0.15 0.49 0.62 1.31 1.45
2003 0.95 0.71 0.99 0.70 0.37 0.22 0.04 0.14 0.22 5.02 2.06 0.46 5.02
2004 1.63 0.50 0.46 0.18 0.71 0.16 0.12 1.00 0.64 1.07 0.89 0.82 1.63
2005 2.39 0.75 1.51 0.59 0.72 0.54 0.40 0.21 0.41 a 0.73 0.99 0.93 2.39
2006 1.33 0.47 0.49 0.58 0.31 0.82 0.03 j 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 1.33
Period of Record Statistics
MEAN 1.20 1.00 0.82 0.68 0.52 0.57 0.37 0.47 0.55 0.95 1.28 1.19 1.94
S.D. 0.55 0.61 0.45 0.44 0.29 0.33 0.23 0.40 0.38 0.69 0.64 0.41 0.70
SKEW 1.05 1.65 2.09 2.10 1.63 1.29 0.25 1.32 1.06 3.97 1.42 0.25 1.90
MAX 2.98 3.06 2.70 2.64 1.83 1.75 0.85 1.63 1.65 5.02 3.41 2.14 5.02
MIN 0.37 0.24 0.18 0.10 0.04 0.07 0.00 0.01 0.00 0.23 0.20 0.46 1.00
NO YRS 58 58 58 58 58 58 58 58 58 58 58 58 57