# US GEOLOGICAL SURVEY # MONTHLY DISCHARGE DATA # # Station name : Ralston Creek At Iowa City, Ia # Station number: 05455000 # latitude (ddmmss)............................. 413950 # longitude (dddmmss)........................... 0913048 # state code.................................... 19 # county........................................ Johnson # hydrologic unit code.......................... 07080209 # basin name.................................... Lower Iowa # drainage area (square miles).................. 3.01 # contributing drainage area (square miles)..... 3.01 # gage datum (feet above NGVD).................. 663.27 # # Discharge volume is listed in the table in cfs-days # YearMon Discharge 1924 10 7.38 1924 11 3.74 1924 12 16.68 1925 1 1.98 1925 2 60.79 1925 3 32.24 1925 4 14.52 1925 5 3.69 1925 6 17.47 1925 7 2.54 1925 8 7.36 1925 9 35.70 1925 10 11.67 1925 11 10.06 1925 12 23.23 1926 1 61.25 1926 2 70.16 1926 3 20.46 1926 4 53.66 1926 5 9.66 1926 6 67.34 1926 7 7.29 1926 8 23.25 1926 9 205.10 1926 10 45.41 1926 11 80.19 1926 12 35.40 1927 1 13.91 1927 2 94.26 1927 3 117.91 1927 4 131.20 1927 5 208.10 1927 6 199.13 1927 7 11.10 1927 8 3.06 1927 9 3.23 1927 10 204.15 1927 11 21.38 1927 12 71.00 1928 1 13.28 1928 2 75.78 1928 3 58.94 1928 4 62.27 1928 5 22.23 1928 6 68.23 1928 7 88.57 1928 8 116.79 1928 9 9.63 1928 10 66.42 1928 11 132.50 1928 12 66.90 1929 1 15.51 1929 2 46.46 1929 3 275.20 1929 4 165.30 1929 5 56.10 1929 6 89.37 1929 7 70.16 1929 8 62.83 1929 9 4.86 1929 10 16.35 1929 11 24.43 1929 12 14.47 1930 1 3.61 1930 2 110.20 1930 3 32.53 1930 4 35.21 1930 5 23.58 1930 6 155.51 1930 7 23.17 1930 8 .67 1930 9 106.73 1930 10 10.05 1930 11 10.43 1930 12 21.48 1931 1 27.86 1931 2 12.10 1931 3 9.34 1931 4 47.02 1931 5 13.07 1931 6 9.40 1931 7 5.78 1931 8 1.60 1931 9 38.74 1931 10 5.19 1931 11 87.35 1931 12 41.19 1932 1 56.82 1932 2 16.08 1932 3 84.52 1932 4 36.03 1932 5 28.03 1932 6 41.46 1932 7 34.98 1932 8 146.40 1932 9 4.80 1932 10 12.60 1932 11 12.50 1932 12 77.60 1933 1 17.30 1933 2 3.10 1933 3 28.90 1933 4 37.10 1933 5 105.30 1933 6 23.20 1933 7 13.80 1933 8 7.90 1933 9 .00 1933 10 .30 1933 11 .91 1933 12 1.51 1934 1 6.88 1934 2 .36 1934 3 3.06 1934 4 .94 1934 5 .00 1934 6 .00 1934 7 36.26 1934 8 4.86 1934 9 .89 1934 10 2.47 1934 11 15.16 1934 12 16.27 1935 1 82.12 1935 2 106.90 1935 3 101.39 1935 4 18.37 1935 5 32.48 1935 6 185.34 1935 7 32.17 1935 8 30.96 1935 9 6.71 1935 10 1.84 1935 11 32.80 1935 12 11.49 1936 1 6.11 1936 2 85.55 1936 3 99.69 1936 4 20.09 1936 5 11.54 1936 6 66.13 1936 7 .31 1936 8 .01 1936 9 97.27 1936 10 28.29 1936 11 20.54 1936 12 48.17 1937 1 100.53 1937 2 219.81 1937 3 238.53 1937 4 76.08 1937 5 115.96 1937 6 22.21 1937 7 55.16 1937 8 34.24 1937 9 4.75 1937 10 1.15 1937 11 1.77 1937 12 13.03 1938 1 183.33 1938 2 138.98 1938 3 37.16 1938 4 40.15 1938 5 70.28 1938 6 30.71 1938 7 91.26 1938 8 49.97 1938 9 13.46 1938 10 24.51 1938 11 46.02 1938 12 8.36 1939 1 9.77 1939 2 63.16 1939 3 222.66 1939 4 48.39 1939 5 24.49 1939 6 14.53 1939 7 37.12 1939 8 70.87 1939 9 .69 1939 10 1.80 1939 11 2.14 1939 12 1.28 1940 1 .00 1940 2 7.00 1940 3 158.93 1940 4 32.22 1940 5 8.40 1940 6 6.03 1940 7 .48 1940 8 7.44 1940 9 .70 1940 10 .01 1940 11 .00 1940 12 1.91 1941 1 5.42 1941 2 39.48 1941 3 51.91 1941 4 20.24 1941 5 3.55 1941 6 181.54 1941 7 50.95 1941 8 .58 1941 9 45.41 1941 10 159.63 1941 11 47.03 1941 12 35.61 1942 1 58.32 1942 2 28.23 1942 3 60.33 1942 4 17.19 1942 5 11.84 1942 6 46.96 1942 7 17.98 1942 8 1.72 1942 9 98.55 1942 10 1.67 1942 11 23.73 1942 12 59.62 1943 1 18.01 1943 2 100.68 1943 3 92.58 1943 4 112.29 1943 5 135.40 1943 6 183.60 1943 7 17.79 1943 8 33.28 1943 9 26.85 1943 10 6.32 1943 11 9.74 1943 12 4.94 1944 1 43.67 1944 2 55.75 1944 3 107.64 1944 4 146.00 1944 5 150.00 1944 6 52.10 1944 7 6.80 1944 8 3.25 1944 9 1.07 1944 10 4.93 1944 11 6.06 1944 12 4.21 1945 1 4.35 1945 2 50.45 1945 3 46.11 1945 4 30.05 1945 5 79.16 1945 6 60.81 1945 7 16.85 1945 8 2.65 1945 9 18.18 1945 10 4.35 1945 11 10.76 1945 12 10.08 1946 1 181.54 1946 2 16.44 1946 3 90.92 1946 4 15.54 1946 5 18.22 1946 6 79.05 1946 7 4.13 1946 8 64.64 1946 9 26.77 1946 10 14.16 1946 11 20.70 1946 12 7.30 1947 1 17.78 1947 2 34.59 1947 3 41.26 1947 4 151.70 1947 5 65.42 1947 6 179.20 1947 7 61.37 1947 8 2.13 1947 9 .16 1947 10 1.05 1947 11 4.53 1947 12 8.49 1948 1 1.95 1948 2 136.10 1948 3 155.27 1948 4 16.65 1948 5 39.68 1948 6 13.27 1948 7 82.63 1948 8 .86 1948 9 1.52 1948 10 1.96 1948 11 2.99 1948 12 9.48 1949 1 83.98 1949 2 112.32 1949 3 121.84 1949 4 42.70 1949 5 18.51 1949 6 47.66 1949 7 1.85 1949 8 .85 1949 9 14.17 1949 10 1.37 1949 11 1.25 1949 12 16.19 1950 1 72.98 1950 2 148.15 1950 3 192.60 1950 4 39.80 1950 5 65.49 1950 6 69.88 1950 7 190.92 1950 8 18.28 1950 9 4.26 1950 10 .75 1950 11 4.84 1950 12 3.94 1951 1 31.34 1951 2 245.36 1951 3 96.92 1951 4 101.60 1951 5 73.33 1951 6 62.76 1951 7 68.38 1951 8 10.07 1951 9 5.12 1951 10 18.48 1951 11 31.33 1951 12 16.92 1952 1 63.88 1952 2 58.36 1952 3 222.36 1952 4 69.80 1952 5 88.02 1952 6 72.26 1952 7 14.27 1952 8 11.03 1952 9 1.45 1952 10 .95 1952 11 65.62 1952 12 32.38 1953 1 18.85 1953 2 212.78 1953 3 105.67 1953 4 71.04 1953 5 84.07 1953 6 23.44 1953 7 12.04 1953 8 .79 1953 9 .00 1953 10 .00 1953 11 .12 1953 12 .62 1954 1 .00 1954 2 3.00 1954 3 5.57 1954 4 15.85 1954 5 10.82 1954 6 5.79 1954 7 1.47 1954 8 15.23 1954 9 2.40 1954 10 22.41 1954 11 .42 1954 12 1.09 1955 1 14.79 1955 2 156.16 1955 3 16.60 1955 4 59.84 1955 5 20.81 1955 6 1.80 1955 7 1.70 1955 8 1.48 1955 9 .00 1955 10 .00 1955 11 .00 1955 12 .00 1956 1 .00 1956 2 17.52 1956 3 .18 1956 4 .30 1956 5 1.68 1956 6 .00 1956 7 124.70 1956 8 114.39 1956 9 1.73 1956 10 .00 1956 11 .75 1956 12 .00 1957 1 8.21 1957 2 5.74 1957 3 1.22 1957 4 3.59 1957 5 5.00 1957 6 .46 1957 7 .00 1957 8 3.91 1957 9 .34 1957 10 1.02 1957 11 3.26 1957 12 6.29 1958 1 .00 1958 2 43.48 1958 3 3.89 1958 4 1.89 1958 5 6.12 1958 6 28.45 1958 7 51.59 1958 8 8.38 1958 9 23.58 1958 10 54.34 1958 11 6.83 1958 12 .95 1959 1 1.05 1959 2 293.18 1959 3 212.49 1959 4 120.05 1959 5 139.79 1959 6 24.79 1959 7 31.12 1959 8 30.58 1959 9 5.44 1959 10 66.76 1959 11 44.29 1959 12 69.68 1960 1 165.04 1960 2 35.24 1960 3 138.18 1960 4 166.90 1960 5 139.50 1960 6 177.10 1960 7 101.55 1960 8 7.81 1960 9 8.84 1960 10 49.80 1960 11 90.50 1960 12 15.30 1961 1 8.00 1961 2 59.20 1961 3 262.90 1961 4 51.40 1961 5 26.50 1961 6 25.80 1961 7 40.40 1961 8 54.20 1961 9 122.10 1961 10 57.20 1961 11 337.80 1961 12 51.80 1962 1 41.00 1962 2 59.50 1962 3 442.20 1962 4 104.90 1962 5 119.90 1962 6 53.90 1962 7 243.30 1962 8 26.10 1962 9 9.70 1962 10 20.30 1962 11 12.10 1962 12 8.00 1963 1 12.90 1963 2 24.30 1963 3 128.10 1963 4 27.30 1963 5 46.70 1963 6 3.00 1963 7 33.00 1963 8 5.70 1963 9 1.30 1963 10 .00 1963 11 6.60 1963 12 1.00 1964 1 2.00 1964 2 5.50 1964 3 19.40 1964 4 46.40 1964 5 38.00 1964 6 50.10 1964 7 8.60 1964 8 3.10 1964 9 1.40 1964 10 .00 1964 11 3.42 1964 12 1.52 1965 1 44.13 1965 2 59.87 1965 3 68.49 1965 4 152.15 1965 5 98.77 1965 6 51.45 1965 7 8.84 1965 8 4.89 1965 9 254.17 1965 10 27.46 1965 11 21.30 1965 12 59.62 1966 1 41.71 1966 2 88.72 1966 3 64.83 1966 4 70.24 1966 5 144.10 1966 6 185.90 1966 7 50.75 1966 8 4.64 1966 9 .01 1966 10 4.90 1966 11 7.30 1966 12 4.50 1967 1 16.90 1967 2 6.00 1967 3 56.51 1967 4 78.49 1967 5 19.06 1967 6 187.37 1967 7 9.83 1967 8 26.12 1967 9 14.36 1967 10 75.94 1967 11 96.19 1967 12 27.09 1968 1 34.56 1968 2 22.84 1968 3 24.32 1968 4 48.61 1968 5 40.88 1968 6 34.13 1968 7 11.25 1968 8 4.81 1968 9 17.73 1968 10 14.46 1968 11 10.66 1968 12 30.23 1969 1 100.00 1969 2 47.00 1969 3 83.60 1969 4 111.40 1969 5 70.55 1969 6 144.02 1969 7 307.80 1969 8 41.44 1969 9 15.57 1969 10 23.06 1969 11 15.17 1969 12 7.84 1970 1 5.89 1970 2 55.15 1970 3 143.80 1970 4 124.70 1970 5 123.10 1970 6 120.90 1970 7 51.06 1970 8 24.02 1970 9 225.88 1970 10 55.89 1970 11 49.85 1970 12 29.86 1971 1 18.15 1971 2 242.51 1971 3 67.90 1971 4 32.39 1971 5 21.71 1971 6 19.23 1971 7 28.51 1971 8 1.01 1971 9 7.09 1971 10 10.16 1971 11 39.15 1971 12 107.28 1972 1 20.57 1972 2 142.21 1972 3 89.60 1972 4 169.77 1972 5 132.29 1972 6 59.93 1972 7 228.30 1972 8 195.70 1972 9 36.88 1972 10 27.58 1972 11 52.30 1972 12 87.18 1973 1 99.10 1973 2 71.68 1973 3 156.90 1973 4 335.40 1973 5 279.70 1973 6 125.00 1973 7 63.32 1973 8 27.36 1973 9 76.14 1973 10 26.63 1973 11 25.00 1973 12 49.24 1974 1 139.04 1974 2 82.54 1974 3 105.80 1974 4 245.80 1974 5 523.10 1974 6 160.00 1974 7 47.53 1974 8 128.90 1974 9 30.41 1974 10 32.18 1974 11 27.98 1974 12 46.54 1975 1 47.06 1975 2 22.72 1975 3 283.18 1975 4 99.50 1975 5 35.38 1975 6 12.76 1975 7 2.17 1975 8 7.03 1975 9 4.93 1975 10 1.05 1975 11 19.02 1975 12 5.29 1976 1 .58 1976 2 35.81 1976 3 60.39 1976 4 94.66 1976 5 40.86 1976 6 19.82 1976 7 12.86 1976 8 27.67 1976 9 .10 1976 10 .91 1976 11 .96 1976 12 .16 1977 1 .00 1977 2 10.62 1977 3 51.94 1977 4 41.92 1977 5 5.78 1977 6 4.17 1977 7 .22 1977 8 78.64 1977 9 49.20 1977 10 53.02 1977 11 24.82 1977 12 32.59 1978 1 4.58 1978 2 6.63 1978 3 184.23 1978 4 164.90 1978 5 115.90 1978 6 103.90 1978 7 187.10 1978 8 20.62 1978 9 94.25 1978 10 45.26 1978 11 47.63 1978 12 22.09 1979 1 4.84 1979 2 81.53 1979 3 523.70 1979 4 134.00 1979 5 67.81 1979 6 17.52 1979 7 33.81 1979 8 78.51 1979 9 4.08 1979 10 13.06 1979 11 8.75 1979 12 10.50 1980 1 23.94 1980 2 37.21 1980 3 53.64 1980 4 58.83 1980 5 24.53 1980 6 52.50 1980 7 3.15 1980 8 17.01 1980 9 36.96 1980 10 4.71 1980 11 3.71 1980 12 20.05 1981 1 3.19 1981 2 56.81 1981 3 13.76 1981 4 101.55 1981 5 14.72 1981 6 101.67 1981 7 27.35 1981 8 62.31 1981 9 22.55 1981 10 58.09 1981 11 63.44 1981 12 33.42 1982 1 14.94 1982 2 352.05 1982 3 169.18 1982 4 76.50 1982 5 36.63 1982 6 99.38 1982 7 124.08 1982 8 20.07 1982 9 17.20 1982 10 11.92 1982 11 36.71 1982 12 171.60 1983 1 24.32 1983 2 104.59 1983 3 59.10 1983 4 188.00 1983 5 55.00 1983 6 39.07 1983 7 47.04 1983 8 1.41 1983 9 3.10 1983 10 1.37 1983 11 47.73 1983 12 20.05 1984 1 8.41 1984 2 125.64 1984 3 68.61 1984 4 84.70 1984 5 87.61 1984 6 68.31 1984 7 32.65 1984 8 6.24 1984 9 12.65 1984 10 176.12 1984 11 101.20 1984 12 85.43 1985 1 51.80 1985 2 276.73 1985 3 128.90 1985 4 45.94 1985 5 18.81 1985 6 8.87 1985 7 3.72 1985 8 5.10 1985 9 13.13 1985 10 61.82 1985 11 124.80 1985 12 59.17 1986 1 53.47 1986 2 156.46 1986 3 156.10 1986 4 72.40 1986 5 346.39 1986 6 164.37 1986 7 282.20 1986 8 69.70 1986 9 59.84 1986 10 111.00 1986 11 47.30 1986 12 54.52 1987 1 21.97 1987 2 20.13 1987 3 93.47 1987 4 93.70 1987 5 43.59 1987 6 51.75 1987 7 5.08 1987 8 37.15 1987 9 16.98