Precipitation annual maximum series (inches) Station ID: 13-4131 Station name: IOWA CY RALSTON CK State: IA Latitude (decimal degrees): 41.6833 Longitude (decimal degrees): -91.5167 Elevation (feet): 745 Duration: 1 hour 08/11/1949 1.30 07/01/1950 1.63 04/06/1951 1.01 08/03/1952 1.17 08/25/1954 1.10 08/05/1955 1.40 07/18/1956 1.97 07/21/1957 0.72 10/08/1958 2.11 07/17/1959 1.20 11/15/1960 1.20 07/31/1961 1.40 05/28/1962 1.16 07/01/1963 1.45 08/20/1964 0.74 09/21/1965 0.96 07/05/1966 0.80 06/07/1967 1.40 08/31/1968 1.20 06/29/1969 1.09 07/17/1972 2.11 09/21/1973 0.80 04/28/1974 1.60 08/29/1975 0.70 06/27/1976 0.96 08/15/1977 1.83 06/28/1978 2.50 07/11/1979 2.24 08/04/1980 1.27 Duration: 2 hours 06/23/1949 1.36 07/01/1950 2.84 07/08/1951 1.10 11/16/1952 1.49 08/25/1954 1.35 08/05/1955 1.75 07/18/1956 2.20 08/28/1957 1.00 10/08/1958 2.73 07/17/1959 1.68 11/15/1960 1.70 07/31/1961 1.48 07/13/1962 2.05 07/01/1963 1.52 05/07/1964 0.89 09/21/1965 1.78 07/26/1966 1.27 06/07/1967 1.85 08/31/1968 1.30 07/08/1969 1.69 07/17/1972 2.85 04/20/1973 1.00 04/28/1974 2.04 08/20/1975 1.26 06/27/1976 1.01 08/15/1977 3.36 06/28/1978 3.10 07/11/1979 3.60 08/04/1980 1.33 Duration: 3 hours 06/23/1949 1.53 07/01/1950 3.48 07/08/1951 1.12 11/16/1952 1.88 08/25/1954 1.38 08/05/1955 1.88 07/18/1956 2.37 08/28/1957 1.16 10/08/1958 2.78 07/17/1959 1.74 11/15/1960 1.73 07/31/1961 1.52 07/13/1962 2.78 07/01/1963 1.55 05/07/1964 1.07 09/21/1965 1.88 06/08/1966 1.60 06/07/1967 2.20 10/21/1968 1.53 07/08/1969 1.96 07/17/1972 3.98 04/20/1973 1.02 04/28/1974 2.34 08/20/1975 1.29 08/11/1976 1.10 08/15/1977 3.58 06/28/1978 3.16 07/11/1979 3.67 06/13/1980 1.63 Duration: 6 hours 06/23/1949 2.36 07/01/1950 3.60 07/08/1951 1.16 11/16/1952 2.38 08/25/1954 2.35 08/05/1955 1.91 07/18/1956 2.39 08/28/1957 1.45 10/08/1958 2.81 04/27/1959 2.25 07/09/1960 2.16 07/31/1961 1.94 07/13/1962 3.13 11/22/1963 1.58 05/07/1964 1.17 04/23/1965 2.38 06/08/1966 1.98 06/07/1967 3.03 10/21/1968 1.74 07/08/1969 2.33 07/17/1972 4.58 04/20/1973 1.57 04/28/1974 2.65 08/20/1975 1.36 07/15/1976 1.60 08/15/1977 3.68 06/28/1978 3.19 07/11/1979 3.71 06/13/1980 2.40 Duration: 12 hours 06/23/1949 2.42 07/01/1950 3.64 07/08/1951 1.43 11/16/1952 3.29 08/25/1954 2.94 08/05/1955 1.95 07/18/1956 2.42 10/14/1957 1.55 10/08/1958 2.84 04/27/1959 3.10 07/09/1960 2.31 07/31/1961 2.43 07/13/1962 3.32 11/22/1963 1.98 05/07/1964 1.20 04/23/1965 2.63 06/08/1966 2.31 06/06/1967 4.68 10/21/1968 1.76 07/08/1969 2.39 07/17/1972 5.11 04/20/1973 1.70 04/28/1974 3.17 08/20/1975 1.38 03/04/1976 2.35 08/15/1977 3.72 06/28/1978 3.22 07/11/1979 3.74 06/13/1980 2.42 Duration: 1 day 09/12/1949 2.38 07/01/1950 3.25 04/06/1951 1.66 11/16/1952 3.74 06/27/1953 1.57 08/25/1954 2.72 05/09/1955 2.47 08/30/1956 2.81 08/28/1957 1.63 10/08/1958 2.56 04/27/1959 2.88 07/09/1960 2.38 09/13/1961 3.07 07/13/1962 3.89 11/22/1963 1.86 08/20/1964 1.51 04/24/1965 3.04 05/11/1966 2.06 06/07/1967 4.27 08/31/1968 1.83 07/08/1969 2.67 09/17/1970 3.37 07/17/1972 4.56 04/20/1973 2.03 04/28/1974 3.08 08/29/1975 1.25 03/04/1976 2.28 08/15/1977 3.32 06/28/1978 3.50 07/11/1979 3.34 06/13/1980 2.16 Duration: 2 days 06/23/1949 3.26 07/01/1950 3.61 11/12/1951 1.91 11/16/1952 4.08 03/30/1953 1.95 08/25/1954 3.08 08/05/1955 2.76 07/31/1956 3.28 08/27/1957 1.85 10/07/1958 3.39 04/27/1959 3.10 10/30/1960 3.49 09/12/1961 5.30 07/13/1962 4.22 07/04/1963 2.57 06/14/1964 1.96 09/19/1965 5.74 06/08/1966 2.22 06/06/1967 4.71 09/16/1968 2.54 07/07/1969 3.93 09/16/1970 3.63 07/17/1972 4.91 04/20/1973 2.49 05/16/1974 4.63 08/19/1975 1.47 03/04/1976 2.46 08/15/1977 3.58 06/28/1978 3.77 07/11/1979 3.83 06/13/1980 2.65 Duration: 3 days 06/22/1949 3.42 07/01/1950 3.75 11/11/1951 1.99 11/16/1952 4.27 03/30/1953 2.00 08/24/1954 3.60 08/05/1955 2.87 07/31/1956 3.41 08/27/1957 1.92 10/07/1958 3.53 10/04/1959 3.43 10/29/1960 3.89 09/11/1961 5.51 07/12/1962 4.40 07/03/1963 2.71 06/18/1964 2.04 09/19/1965 5.97 06/08/1966 2.31 06/05/1967 4.90 09/16/1968 2.79 07/06/1969 4.52 09/15/1970 4.77 07/17/1972 5.66 04/20/1973 2.59 05/16/1974 5.16 08/18/1975 2.24 03/04/1976 2.55 08/13/1977 3.85 06/27/1978 4.15 07/11/1979 3.98 06/13/1980 2.76 Duration: 4 days 06/21/1949 3.97 07/01/1950 3.79 11/11/1951 2.01 11/16/1952 4.31 03/29/1953 2.02 08/24/1954 3.64 08/05/1955 2.90 07/31/1956 3.44 08/27/1957 1.94 10/07/1958 3.56 10/04/1959 3.46 10/28/1960 3.93 09/11/1961 5.56 07/12/1962 4.44 07/01/1963 3.06 06/19/1964 2.32 09/18/1965 6.04 06/09/1966 2.50 06/06/1967 5.65 09/16/1968 3.09 07/06/1969 4.87 09/14/1970 6.45 07/14/1972 6.04 05/24/1973 2.68 05/16/1974 5.21 08/18/1975 2.26 03/01/1976 2.68 08/13/1977 4.08 06/26/1978 4.85 07/11/1979 4.57 06/13/1980 2.79 Duration: 7 days 06/20/1949 4.45 06/12/1950 4.12 07/02/1951 2.76 11/16/1952 4.35 04/24/1953 2.31 10/04/1954 4.27 07/31/1955 2.93 07/28/1956 3.76 08/23/1957 2.72 10/07/1958 3.60 10/02/1959 3.54 10/25/1960 4.51 09/11/1961 5.62 07/13/1962 4.67 07/13/1963 4.21 06/14/1964 3.86 09/16/1965 6.14 06/06/1966 3.47 06/06/1967 6.50 09/16/1968 3.31 07/03/1969 4.98 09/12/1970 6.69 07/13/1972 6.63 04/15/1973 3.51 05/13/1974 6.74 08/18/1975 2.74 04/18/1976 3.75 08/09/1977 4.70 06/26/1978 5.28 07/11/1979 4.62 05/28/1980 3.98 Duration: 10 days 06/20/1949 4.71 06/24/1950 4.36 03/28/1951 3.14 11/16/1952 5.38 03/22/1953 2.40 10/05/1954 4.50 07/31/1955 2.96 07/24/1956 3.89 10/14/1957 2.76 07/10/1958 3.88 04/19/1959 3.98 10/25/1960 4.56 09/11/1961 5.68 07/13/1962 5.29 07/04/1963 4.32 06/14/1964 4.86 09/18/1965 6.35 06/03/1966 3.93 06/05/1967 6.79 09/16/1968 3.65 06/29/1969 6.21 09/14/1970 7.59 07/11/1972 7.15 05/26/1973 4.43 05/11/1974 7.26 08/20/1975 3.68 04/17/1976 4.62 08/06/1977 8.15 06/27/1978 5.89 07/11/1979 4.66 05/28/1980 4.23 Duration: 20 days 06/11/1949 5.81 06/12/1950 8.33 06/19/1951 4.80 06/08/1952 6.12 05/20/1953 3.52 09/28/1954 6.74 04/23/1955 4.30 07/15/1956 7.09 08/23/1957 3.50 07/01/1958 5.06 09/19/1959 5.88 10/12/1960 6.02 09/11/1961 7.57 07/12/1962 6.61 07/01/1963 8.45 06/11/1964 5.46 09/04/1965 9.54 05/10/1966 5.44 05/28/1967 7.23 08/31/1968 6.06 06/22/1969 9.61 09/02/1970 8.92 07/17/1972 10.81 04/20/1973 6.52 04/28/1974 10.73 08/18/1975 5.79 04/17/1976 5.16 08/07/1977 9.13 06/20/1978 8.66 07/11/1979 6.87 05/28/1980 6.99 Duration: 30 days 05/31/1949 6.78 06/13/1950 9.61 06/12/1951 6.17 05/22/1952 6.81 04/25/1953 4.14 09/28/1954 6.89 04/11/1955 5.92 07/03/1956 8.48 08/23/1957 4.37 05/16/1958 6.27 04/27/1959 8.09 05/06/1960 7.63 09/11/1961 8.72 07/01/1962 7.21 07/01/1963 9.70 06/12/1964 6.49 08/24/1965 11.67 05/11/1966 8.08 05/18/1967 7.48 08/31/1968 7.10 06/22/1969 10.98 09/09/1970 9.92 07/11/1972 13.02 04/08/1973 8.69 04/21/1974 12.38 08/09/1975 7.04 04/17/1976 6.39 07/30/1977 11.08 06/26/1978 11.70 07/11/1979 8.51 08/16/1980 7.77 Duration: 45 days 05/16/1949 9.14 06/09/1950 11.81 05/25/1951 9.39 05/07/1952 9.38 02/15/1953 6.16 08/22/1954 7.88 06/29/1955 6.83 07/17/1956 12.54 10/14/1957 5.48 05/31/1958 9.76 04/17/1959 11.79 04/29/1960 10.40 07/31/1961 11.23 07/12/1962 8.65 07/01/1963 11.90 06/11/1964 7.02 08/08/1965 13.72 04/29/1966 10.19 09/13/1967 8.92 08/30/1968 7.99 06/06/1969 14.46 09/09/1970 10.93 07/13/1972 14.33 04/20/1973 11.14 04/28/1974 16.84 07/23/1975 7.95 04/15/1976 8.22 08/05/1977 14.11 06/14/1978 14.49 07/11/1979 12.89 08/04/1980 10.90 Duration: 60 days 05/01/1949 9.57 06/12/1950 14.59 05/10/1951 11.43 05/21/1952 11.61 03/29/1953 7.53 08/16/1954 11.56 06/10/1955 7.47 07/03/1956 14.29 04/19/1957 6.72 05/16/1958 11.40 04/01/1959 12.58 04/14/1960 12.87 07/19/1961 14.53 05/26/1962 12.34 07/01/1963 13.23 04/26/1964 9.64 07/30/1965 14.96 05/10/1966 13.23 09/13/1967 11.38 08/30/1968 9.88 05/31/1969 15.77 07/29/1970 13.43 06/08/1972 16.85 04/08/1973 14.46 04/28/1974 18.79 07/23/1975 8.15 04/17/1976 10.07 08/02/1977 16.19 05/28/1978 15.19 07/03/1979 14.22 07/16/1980 11.64