Country= U.S.A. Station= WILSONVILLE, OREG. River= WILLAMETTE RIVER Area= 21754.71 Lat= 45.29 Lon= -122.75 Source= USGS PointID= 14198000 Area Units= km2 Discharge Units= m3/sec Starting Year= 1903 Ending Year= 1993 Total Years= 91 Total Usable Years= 62 Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Avg Annual 1903 3.61 4.45 13.14 5.87 33.84 13.8 2.28 0.82 0.1 0.05 0.07 0.29 6.53 1904 0.85 1.31 1.11 1.79 17.61 15 40.23 10.8 2.86 4.99 2.62 3.46 8.55 1905 3.2 5.17 13.59 12.13 11.25 9.41 3.16 3.56 0.91 0.24 1.7 4.27 5.72 1906 3.62 3.7 3.36 6.88 6.37 4.22 17.08 16.97 11.9 9.66 9.64 18.18 9.3 1907 15.33 13.71 8.29 9.19 7.98 18.76 10.46 10.26 2.78 7.08 6.54 7.58 9.83 1908 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1909 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1910 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1911 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1912 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1913 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1914 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1915 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1916 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1917 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1918 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1919 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1920 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1921 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1922 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1923 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1924 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1925 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1926 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1927 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1928 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1929 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1930 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1931 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1932 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1933 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1934 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1935 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1936 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1937 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1938 0.7 0.84 2.2 8.62 46.8 25.27 2.87 0.91 11.47 0.23 0.59 0.05 8.38 1939 0.57 1.07 1.86 18.56 4.33 15.32 20.56 1 0 0 0 0 5.27 1940 0 0 0 0.68 2.6 13.43 1.51 4.52 0.02 0 0.03 0 1.9 1941 0 0.76 1.59 5.9 44.93 46.81 15.75 6.87 10.55 69.7 23.09 11.28 19.77 1942 7.53 7.76 7.37 41.03 10.27 21.86 5.71 1.91 6.67 14.13 6.1 4.37 11.23 1943 4.26 3.78 2.1 2.48 13.27 5.66 0.52 0.01 0 0.53 0.14 0.13 2.74 1944 0.42 2.53 4.57 23.52 13 6.13 2.61 3.06 0.28 5.86 1.13 2.36 5.46 1945 2.96 3.69 5.62 13.74 7.21 6.58 9.35 0.26 4.58 6.58 0.59 0.51 5.14 1946 1.72 2.19 2.58 1.95 0.59 2.26 0.87 0 1.11 35.19 17.36 7.28 6.09 1947 6.61 4.52 10.96 24.73 55.86 18.15 8.13 0.14 0 0 0 0.19 10.77 1948 0 0.05 7.67 2.05 0.22 14.14 2.21 12.7 1.93 0.07 1.24 1.12 3.62 1949 0.34 2.33 8.16 14.77 45.94 88.37 16.7 1.78 3.41 2.59 2.93 7.33 16.22 1950 5.77 4.63 2.74 1.05 6.09 2.22 20.06 69.67 78.89 35.41 2.73 4.79 19.5 1951 5.64 5.64 9.12 7.73 30.13 86.66 73.53 10.45 0.98 0.49 0.59 0.45 19.28 1952 1.39 3.68 10.47 8.14 6.21 1.72 0.02 0 0 0 0.08 0.27 2.66 1953 0.21 0.2 0.33 1.25 0.23 0 2.32 0 5.95 0.1 0.49 0.08 0.93 1954 0.02 0.03 4.08 0.81 8.84 8.21 0.2 0 0 0 0 0 1.85 1955 0 0 0 0 15.54 23.52 14.87 0.65 0.02 10.85 0.57 0.35 5.53 1956 0.28 0.47 0.25 0.14 0.27 0.09 9.51 0.01 0 0.7 0.02 0 0.98 1957 0 0 10.23 9.37 17.4 44.04 49.25 29.85 6.66 2.22 2.08 2.1 14.43 1958 2.6 2.36 6.06 7.01 3.14 12.1 14.92 17.61 7.15 0.64 0.38 0.36 6.19 1959 0.53 3.82 2.76 5.1 12.67 3.73 1.51 0.5 5.76 24.75 1.46 3.96 5.55 1960 4.22 15.61 9.79 6.36 3.99 12.54 3.12 1.53 0.39 14.31 4.53 3.39 6.65 1961 3.23 4.83 5.01 8.43 7.99 11.47 1.5 2.12 8.41 2.47 7.41 2.4 5.44 1962 3.3 3.75 3.27 3.99 2.01 17.62 3.53 1.83 0.51 1.09 0.49 1.31 3.56 1963 0.91 2.51 2.34 1.47 9.87 2.15 0.74 0.02 0.26 0 12.96 0.48 2.81 1964 0.3 0.66 0.39 0.32 3.95 3.42 4.28 0.03 0.01 0 1.65 0.36 1.28 1965 0.29 0.3 0.34 0.61 1.88 13.38 1.31 0.68 14.99 4.86 2.36 2.33 3.61 1966 2.81 3.89 4.44 2.15 1.17 0.45 11.03 0.45 0.81 0.06 0.05 0.05 2.28 1967 0.2 0.05 0.05 0.98 0.41 5.27 0.72 0.72 9.53 2.76 0.71 0.46 1.82 1968 0.34 5.24 1.16 2.26 4.17 13.88 4.4 0.44 1.67 8.15 11.95 5.08 4.89 1969 3.36 4.28 10.38 10.04 22.39 17.25 5.07 2.84 3.41 2.28 0.32 0.31 6.83 1970 3.16 2.17 3.41 1.15 4.66 0.46 3.56 2.52 0.22 0.35 0.08 0.1 1.82 1971 0.22 0.16 0.14 3.75 0.26 3.09 1.06 4.28 1.34 0.36 0.32 4.1 1.59 1972 0.37 2.14 0.84 2.57 1.32 3.39 4.61 0.03 7.92 0.34 0.41 0.68 2.05 1973 2.08 0.84 11.88 21.41 23.78 13.5 1.06 0.25 3.03 1.78 0.94 1.09 6.8 1974 0.7 1.82 5.43 9.74 8.53 4.26 0.33 0.59 21.08 9.62 25.02 4.45 7.63 1975 6.02 10.15 8.87 2.86 13.99 11.97 6.83 3.73 1.02 1.95 2.26 1.46 5.93 1976 9.52 0.97 0.95 3.72 5.29 4.26 0.35 0.03 0.46 13.55 0.98 0.51 3.38 1977 0.54 0.46 0.43 0.4 12.49 3.07 0.99 0.22 0.06 0.02 0.24 13.85 2.73 1978 0.63 0.8 0.81 0.98 9.27 10.2 0.88 0.28 12.32 0.99 0.88 0.49 3.21 1979 0.91 0.88 6.69 5.79 2.65 9.62 7.61 6.67 0.9 0.42 0.91 0.82 3.66 1980 1.19 3.09 2.01 12.68 26.37 25.19 3.74 0.42 0.08 0 12.58 1.61 7.41 1981 0.61 0.51 0.44 7.81 3.16 0.82 7.26 1.38 0.64 3.87 1.61 1.03 2.43 1982 1.05 2.07 1.1 0.75 31.25 13.5 12.97 2.96 0.73 0.34 0.46 0.55 5.64 1983 0.54 0.97 2.92 12.11 14.59 18.45 4.45 1.43 0.27 8.49 1.2 0.89 5.53 1984 1.23 1.01 4.16 12.56 4.04 1.35 0.24 11.69 1.03 0.35 0.34 0.57 3.21 1985 0.57 1.87 3.98 2.57 1.39 2.6 0.33 5.52 1.2 4.11 5.1 4.8 2.84 1986 3.51 4.75 3.63 3.06 7.61 12 1.74 0.77 21.69 53.92 16.81 5.44 11.24 1987 6.23 10.86 23.43 24.78 27.59 32.64 13.3 3.78 2.24 4.28 3.76 9.61 13.54 1988 15.81 11.71 24.33 29.07 11.3 5.81 13.13 1.94 6.95 2.31 1.45 0.85 10.39 1989 0.88 1.31 4.92 3.99 5 32.56 24.35 12.27 20.88 5 4.31 4.48 10 1990 7.47 8.82 25.26 17.36 20.93 6.9 1.61 1.44 1.12 0.93 0.97 0.97 7.82 1991 1.15 0.95 1.06 1.07 2.31 12.24 1.35 7.48 5.25 1.06 1.94 5.51 3.45 1992 3.89 4.27 2.65 1.92 1.38 6.14 2.33 1.99 0.74 0.61 5.58 6.54 3.17 1993 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 Avg 2.59 3.21 5.28 7.55 11.99 13.98 8.27 4.78 5.25 6.38 3.55 2.79 6.3 Std Dev 3.31 3.44 5.71 8.27 12.9 16.92 12.54 10.07 11.02 12.75 5.57 3.62 4.58