Precipitation annual maximum series (inches) Station ID: 13-4174 Station name: IRWIN 3 ESE State: IA Latitude (decimal degrees): 41.7750 Longitude (decimal degrees): -95.1525 Elevation (feet): 1310 Duration: 15 minutes 07/14/1984 0.40 09/05/1985 0.60 07/08/1986 0.70 06/22/1987 1.00 09/07/1989 1.00 06/16/1990 0.90 06/13/1991 0.60 09/17/1992 0.70 07/08/1993 1.20 06/05/1994 0.90 05/09/1995 0.60 07/17/1996 1.20 07/23/1997 0.70 05/15/1998 0.80 06/27/1999 0.60 09/18/2002 0.80 06/10/2005 1.00 08/10/2006 0.60 05/06/2007 0.70 04/24/2008 0.70 07/12/2009 0.50 Duration: 30 minutes 09/24/1984 0.64 05/30/1985 0.90 07/08/1986 0.80 06/22/1987 1.40 09/07/1989 1.90 07/19/1990 1.30 06/13/1991 0.90 09/14/1992 0.90 07/08/1993 2.30 06/05/1994 1.30 05/09/1995 0.70 06/20/1997 1.10 05/15/1998 1.20 06/27/1999 0.80 09/18/2002 1.10 06/10/2005 1.60 07/13/2006 0.70 05/06/2007 1.30 07/24/2008 1.20 08/19/2009 0.90 Duration: 45 minutes 07/26/1984 0.78 05/30/1985 1.00 07/08/1986 0.80 06/22/1987 1.90 09/07/1989 2.60 07/19/1990 1.60 06/13/1991 0.90 09/14/1992 1.10 07/08/1993 2.60 06/05/1994 1.60 05/09/1995 1.20 06/20/1997 1.50 05/15/1998 1.40 06/27/1999 1.10 09/18/2002 1.60 06/10/2005 1.80 07/13/2006 0.90 08/06/2007 1.60 07/24/2008 1.80 07/09/2009 1.00 Duration: 1 hour 07/03/1951 1.47 06/21/1952 1.53 07/26/1953 1.12 06/20/1954 0.95 06/04/1955 0.94 09/03/1956 0.98 06/13/1957 1.06 07/01/1958 0.95 05/28/1959 1.04 07/11/1960 1.30 06/27/1961 1.72 05/20/1962 1.22 08/05/1963 0.61 07/02/1964 1.37 07/08/1965 0.83 03/22/1966 0.55 06/07/1967 1.40 07/17/1968 0.84 06/28/1969 1.36 05/13/1970 0.60 06/29/1971 0.77 09/10/1972 2.43 09/25/1973 1.95 05/16/1974 0.64 04/27/1975 1.36 05/23/1976 0.53 09/08/1977 1.17 09/12/1978 3.44 07/29/1979 1.16 06/22/1980 0.81 09/04/1981 1.15 08/29/1982 1.36 06/27/1983 1.18 07/14/1984 0.76 05/30/1985 0.92 06/13/1986 0.83 06/22/1987 2.11 09/07/1989 3.12 07/19/1990 1.56 06/13/1991 0.83 09/14/1992 1.10 07/08/1993 2.57 06/05/1994 1.65 05/09/1995 1.28 06/21/1997 1.47 05/15/1998 1.28 08/11/1999 1.19 09/18/2002 1.56 06/10/2005 1.74 07/13/2006 0.83 08/06/2007 1.83 07/24/2008 2.11 07/09/2009 1.10 Duration: 2 hours 07/03/1951 2.09 06/21/1952 1.78 07/26/1953 1.17 04/20/1954 1.08 04/23/1955 1.48 09/03/1956 1.40 08/29/1957 1.11 07/01/1958 1.90 05/02/1959 1.58 08/05/1960 1.76 06/27/1961 1.99 05/20/1962 1.75 08/05/1963 1.10 05/23/1964 1.76 09/09/1965 1.58 06/27/1966 0.95 06/07/1967 1.90 06/29/1968 0.88 06/28/1969 1.43 05/13/1970 1.09 06/06/1971 1.01 09/10/1972 3.46 09/25/1973 2.39 05/16/1974 1.07 04/27/1975 2.10 05/22/1976 0.72 09/08/1977 1.23 09/12/1978 4.61 06/19/1979 1.55 06/22/1980 1.06 09/03/1981 2.14 08/29/1982 2.25 09/19/1983 1.47 07/14/1984 1.28 09/05/1985 1.25 06/13/1986 1.06 06/22/1987 2.31 09/07/1989 3.85 07/19/1990 1.64 03/01/1991 1.15 09/14/1992 1.25 07/08/1993 3.08 06/05/1994 1.92 05/09/1995 1.44 06/20/1997 2.21 05/15/1998 1.63 06/27/1999 1.73 09/18/2002 2.02 06/10/2005 1.83 07/13/2006 0.87 08/06/2007 2.50 07/24/2008 2.40 07/09/2009 1.54 Duration: 3 hours 07/03/1951 2.46 06/21/1952 1.90 07/26/1953 1.20 04/20/1954 1.28 04/23/1955 1.88 09/03/1956 1.60 05/20/1957 1.15 07/01/1958 2.40 05/02/1959 1.98 08/05/1960 1.79 06/27/1961 2.04 05/20/1962 2.00 04/29/1963 1.60 05/23/1964 2.18 09/09/1965 2.38 06/27/1966 0.99 06/07/1967 2.08 04/17/1968 0.90 06/28/1969 1.46 05/13/1970 1.11 06/06/1971 1.09 09/10/1972 4.33 09/25/1973 3.59 05/16/1974 1.18 04/27/1975 2.14 05/22/1976 0.99 08/30/1977 1.33 09/12/1978 5.53 06/19/1979 1.58 06/22/1980 1.36 09/03/1981 2.45 08/29/1982 2.36 09/19/1983 1.84 07/14/1984 1.36 09/19/1985 1.30 06/13/1986 1.50 06/22/1987 2.40 09/07/1989 4.10 07/19/1990 1.70 03/01/1991 1.30 09/14/1992 1.30 07/08/1993 3.30 06/05/1994 2.20 05/09/1995 1.50 07/17/1996 3.90 06/20/1997 2.30 05/15/1998 1.70 06/27/1999 2.00 09/18/2002 2.20 06/10/2005 1.90 07/13/2006 0.90 08/06/2007 3.60 07/24/2008 3.30 07/09/2009 1.60 Duration: 6 hours 07/02/1951 2.93 06/20/1952 2.40 11/19/1953 1.25 04/20/1954 1.66 04/23/1955 2.62 09/03/1956 2.06 06/13/1957 1.35 07/01/1958 3.08 06/29/1959 2.20 08/05/1960 1.81 06/27/1961 2.12 08/30/1962 2.29 04/29/1963 2.22 05/23/1964 2.75 09/09/1965 4.75 06/27/1966 1.00 06/07/1967 2.15 09/16/1968 1.16 06/28/1969 1.47 05/13/1970 1.89 06/06/1971 1.45 09/10/1972 6.01 09/25/1973 4.22 09/11/1974 1.31 04/27/1975 2.17 05/21/1976 1.16 11/08/1977 1.90 09/12/1978 6.27 06/19/1979 1.60 06/22/1980 1.63 09/03/1981 2.52 08/29/1982 2.64 09/19/1983 2.15 04/29/1984 1.77 09/19/1985 1.40 06/13/1986 2.60 08/07/1987 2.90 09/07/1989 4.50 07/19/1990 1.90 03/01/1991 1.60 09/16/1992 1.40 07/08/1993 4.10 06/05/1994 2.30 05/09/1995 1.51 07/17/1996 4.90 06/20/1997 2.60 05/15/1998 1.80 06/27/1999 3.20 09/18/2002 2.30 06/10/2005 1.92 08/27/2006 1.20 08/06/2007 4.70 07/24/2008 3.80 07/09/2009 1.70 Duration: 12 hours 07/02/1951 4.00 08/28/1952 3.00 11/19/1953 1.58 04/20/1954 1.69 04/23/1955 2.79 09/03/1956 2.23 06/13/1957 1.57 07/01/1958 3.18 05/02/1959 2.32 08/05/1960 2.10 06/27/1961 2.14 05/28/1962 2.38 04/29/1963 2.25 04/02/1964 2.78 09/09/1965 4.80 03/22/1966 1.08 06/07/1967 2.17 10/16/1968 1.58 06/28/1969 1.49 05/13/1970 1.91 06/29/1971 1.54 09/10/1972 7.09 09/25/1973 5.18 09/11/1974 1.44 04/27/1975 2.25 05/21/1976 1.29 11/08/1977 2.52 09/12/1978 6.33 07/29/1979 2.45 06/22/1980 1.67 09/03/1981 2.55 08/29/1982 2.78 09/19/1983 2.19 04/29/1984 2.42 09/19/1985 1.50 10/11/1986 3.00 08/07/1987 3.40 09/07/1989 5.60 07/19/1990 2.00 03/01/1991 1.80 09/16/1992 1.41 07/08/1993 4.14 06/05/1994 2.32 05/09/1995 1.80 07/16/1996 5.80 06/20/1997 2.70 07/05/1998 2.20 06/27/1999 3.30 09/18/2002 2.32 05/10/2005 2.10 07/10/2006 1.70 08/06/2007 4.75 07/24/2008 3.84 07/09/2009 1.72 Duration: 1 day 07/03/1951 3.57 06/20/1952 3.37 11/19/1953 1.63 02/19/1954 2.05 04/23/1955 2.54 11/04/1956 2.21 08/27/1957 1.40 07/01/1958 2.94 06/29/1959 2.33 08/17/1960 2.04 06/27/1961 1.91 05/28/1962 2.53 04/29/1963 2.01 04/02/1964 2.54 09/09/1965 4.29 03/22/1966 1.26 06/07/1967 2.67 10/16/1968 1.74 06/28/1969 1.33 05/13/1970 2.11 06/06/1971 1.98 09/10/1972 7.58 09/25/1973 4.80 05/18/1974 1.43 04/27/1975 2.01 05/22/1976 1.53 11/08/1977 2.46 09/12/1978 6.38 10/22/1979 2.90 06/22/1980 1.49 10/03/1981 2.28 08/29/1982 2.48 09/19/1983 2.11 04/29/1984 2.30 09/19/1985 1.34 10/11/1986 3.12 08/25/1987 3.30 08/22/1988 3.90 09/07/1989 5.62 07/25/1990 2.32 03/01/1991 2.05 10/07/1992 1.79 07/08/1993 4.20 06/05/1994 2.07 05/09/1995 2.05 07/17/1996 5.18 07/20/1997 2.41 06/14/1998 2.32 06/27/1999 2.95 06/25/2000 1.50 09/18/2002 2.07 06/10/2005 2.14 09/10/2006 1.96 08/06/2007 4.24 07/24/2008 3.43 10/22/2009 1.79 Duration: 2 days 07/02/1951 3.85 06/20/1952 4.04 11/19/1953 1.95 08/21/1954 3.09 04/23/1955 2.74 11/04/1956 3.03 08/27/1957 1.89 07/01/1958 3.64 06/29/1959 3.12 08/05/1960 3.52 06/27/1961 2.06 08/30/1962 3.75 04/29/1963 2.16 04/02/1964 2.74 09/09/1965 4.62 03/22/1966 1.43 06/07/1967 2.88 10/16/1968 2.30 06/11/1969 2.10 05/12/1970 2.61 10/29/1971 2.68 09/10/1972 13.28 09/25/1973 6.06 05/17/1974 1.74 04/27/1975 2.16 05/22/1976 2.67 11/08/1977 2.65 09/12/1978 7.52 10/21/1979 3.12 08/16/1980 1.93 09/03/1981 2.46 08/29/1982 2.79 09/19/1983 2.33 04/29/1984 2.51 09/19/1985 1.63 10/11/1986 3.37 08/24/1987 3.85 08/22/1988 4.20 09/07/1989 7.79 07/25/1990 2.79 03/01/1991 2.21 09/16/1992 2.31 07/07/1993 4.71 06/05/1994 2.60 05/08/1995 2.79 07/16/1996 5.80 06/20/1997 2.60 06/14/1998 2.79 06/27/1999 3.18 06/24/2000 1.70 09/18/2002 2.60 05/10/2005 3.56 09/09/2006 2.40 08/05/2007 5.58 07/24/2008 3.69 10/21/2009 2.40 Duration: 3 days 07/02/1951 4.00 06/20/1952 4.20 11/19/1953 2.03 08/21/1954 3.51 04/23/1955 2.85 09/03/1956 3.15 08/27/1957 2.92 07/01/1958 3.84 05/02/1959 3.45 08/05/1960 3.66 09/10/1961 2.61 05/26/1962 4.10 04/29/1963 2.25 05/23/1964 3.81 09/09/1965 4.75 03/22/1966 1.49 06/05/1967 4.36 09/16/1968 3.07 07/07/1969 2.18 10/07/1970 2.92 10/27/1971 2.84 09/10/1972 14.49 09/24/1973 6.38 05/16/1974 3.06 04/27/1975 2.25 05/21/1976 2.78 11/08/1977 2.76 09/12/1978 7.82 07/27/1979 3.35 08/15/1980 2.01 08/25/1981 2.63 08/29/1982 2.90 09/19/1983 2.42 06/12/1984 2.73 09/19/1985 1.70 10/11/1986 3.50 08/24/1987 4.00 08/22/1988 4.24 09/07/1989 8.10 07/25/1990 2.90 04/12/1991 2.80 09/14/1992 2.80 07/07/1993 4.90 06/10/1994 2.70 05/07/1995 3.20 06/20/1997 2.70 06/13/1998 2.90 06/27/1999 3.30 06/23/2000 1.80 06/09/2002 2.70 05/10/2005 3.80 09/09/2006 2.50 08/05/2007 5.80 07/24/2008 3.80 10/21/2009 2.50 Duration: 4 days 04/27/1951 4.25 06/20/1952 4.72 11/19/1953 2.05 08/21/1954 3.54 04/23/1955 2.88 09/03/1956 3.18 08/26/1957 2.98 07/01/1958 3.88 05/02/1959 3.74 08/05/1960 3.70 09/10/1961 2.64 05/25/1962 4.40 04/26/1963 2.47 05/23/1964 4.15 09/06/1965 5.52 06/25/1966 1.62 06/04/1967 5.21 09/16/1968 3.10 07/06/1969 2.36 10/07/1970 2.95 10/27/1971 4.04 09/10/1972 14.63 09/24/1973 6.44 05/16/1974 3.09 04/27/1975 2.27 05/21/1976 2.81 11/08/1977 2.79 09/12/1978 7.90 07/27/1979 4.46 08/14/1980 2.34 09/03/1981 2.97 08/29/1982 2.94 09/19/1983 2.44 04/26/1984 3.04 06/23/1985 2.20 10/11/1986 3.53 08/24/1987 4.04 08/22/1988 4.28 09/07/1989 8.18 06/13/1990 4.40 04/11/1991 3.00 09/14/1992 3.80 07/05/1993 5.30 06/10/1994 2.73 05/07/1995 3.23 07/20/1997 3.60 06/11/1998 3.90 04/05/1999 3.70 06/23/2000 1.82 06/09/2002 2.73 05/10/2005 3.90 07/10/2006 2.80 08/03/2007 5.90 06/08/2008 4.50 07/09/2009 2.90 Duration: 7 days 04/24/1951 5.70 06/20/1952 5.70 04/24/1953 2.39 08/17/1954 5.11 04/23/1955 3.37 08/30/1956 3.21 08/26/1957 3.53 07/01/1958 3.92 05/02/1959 3.97 08/05/1960 3.74 09/08/1961 2.67 08/30/1962 4.65 04/29/1963 3.02 07/05/1964 4.33 09/05/1965 6.20 05/17/1966 1.78 06/04/1967 6.36 09/16/1968 3.17 06/22/1969 2.88 10/07/1970 2.98 10/26/1971 4.91 09/10/1972 14.78 09/24/1973 6.92 05/13/1974 3.36 04/21/1975 3.34 05/21/1976 2.84 08/30/1977 3.52 09/12/1978 8.73 07/24/1979 4.68 08/11/1980 3.91 09/03/1981 3.54 05/20/1982 4.12 09/14/1983 3.03 06/11/1984 4.05 04/20/1985 2.40 06/10/1986 4.20 08/19/1987 4.20 08/22/1988 4.32 09/03/1989 10.50 06/13/1990 5.30 04/08/1991 3.50 09/14/1992 3.84 07/07/1993 5.90 06/05/1994 3.40 05/03/1995 3.90 06/15/1997 3.70 06/08/1998 6.50 04/02/1999 4.70 06/19/2000 2.10 04/21/2002 2.80 05/08/2005 4.00 09/10/2006 3.10 08/05/2007 6.00 06/05/2008 6.50 07/07/2009 3.50 06/08/2010 7.00 Duration: 10 days 04/21/1951 6.38 06/20/1952 7.27 04/24/1953 2.62 08/14/1954 5.41 04/19/1955 3.57 08/28/1956 3.33 08/27/1957 3.92 07/01/1958 4.06 04/27/1959 4.78 07/29/1960 4.16 06/06/1961 3.13 05/20/1962 6.74 04/26/1963 3.24 07/02/1964 6.08 09/05/1965 6.26 05/15/1966 2.20 06/04/1967 7.56 10/08/1968 3.59 06/22/1969 2.91 10/07/1970 3.01 10/26/1971 4.96 09/10/1972 14.93 09/24/1973 6.99 05/10/1974 3.89 04/18/1975 4.06 05/15/1976 3.43 08/30/1977 5.02 09/12/1978 10.09 07/22/1979 5.13 08/09/1980 4.37 08/26/1981 4.04 05/20/1982 4.43 10/02/1983 3.54 06/07/1984 4.61 04/21/1985 3.00 07/05/1986 4.60 08/07/1987 5.50 08/22/1988 4.37 09/03/1989 10.61 06/13/1990 7.10 04/11/1991 3.70 09/07/1992 5.10 07/04/1993 6.50 06/05/1994 5.00 05/01/1995 4.00 06/20/1997 4.50 06/08/1998 7.50 04/02/1999 4.75 10/28/2000 2.60 08/04/2002 3.80 04/11/2005 4.50 08/10/2006 3.70 08/03/2007 7.30 06/02/2008 6.90 07/03/2009 4.50 06/08/2010 7.70 Duration: 20 days 04/20/1951 7.92 06/20/1952 9.11 04/14/1953 3.17 08/08/1954 6.90 04/23/1955 3.82 07/28/1956 4.90 08/26/1957 6.49 07/01/1958 6.49 04/17/1959 5.73 08/05/1960 6.81 09/02/1961 4.06 05/20/1962 8.66 08/27/1963 4.05 06/22/1964 7.69 08/21/1965 9.42 05/07/1966 3.17 05/27/1967 11.36 06/10/1968 4.07 06/22/1969 5.24 10/07/1970 3.59 10/18/1971 5.68 08/25/1972 15.88 09/24/1973 9.95 05/07/1974 4.73 06/02/1975 5.93 05/12/1976 3.69 08/25/1977 5.62 09/12/1978 10.16 07/14/1979 5.59 08/12/1980 5.37 08/23/1981 6.46 05/11/1982 7.15 06/13/1983 5.14 06/01/1984 5.97 09/05/1985 4.50 06/27/1986 6.30 08/07/1987 10.40 09/15/1988 5.00 08/23/1989 12.80 06/07/1990 7.80 03/26/1991 4.90 09/01/1992 7.60 06/24/1993 9.20 05/25/1994 6.40 04/20/1995 6.40 06/12/1997 6.30 06/03/1998 9.00 04/02/1999 7.70 06/23/2000 4.00 08/04/2002 5.90 04/11/2005 4.90 08/08/2006 5.50 07/26/2007 9.90 05/23/2008 10.00 07/02/2009 6.00 06/08/2010 10.90 Duration: 30 days 04/20/1951 9.01 06/20/1952 10.58 04/02/1953 3.92 07/30/1954 7.86 04/12/1955 4.04 08/07/1956 7.11 08/18/1957 7.79 07/01/1958 7.50 05/02/1959 8.50 08/05/1960 8.36 09/02/1961 6.39 05/18/1962 9.97 08/05/1963 5.41 06/11/1964 10.44 09/05/1965 11.98 05/15/1966 4.03 05/29/1967 13.63 08/23/1968 5.10 06/11/1969 7.03 09/09/1970 5.40 10/20/1971 6.38 08/20/1972 16.14 09/15/1973 11.07 05/10/1974 5.33 05/28/1975 7.62 05/21/1976 4.57 08/25/1977 7.56 08/24/1978 11.18 07/23/1979 6.95 08/09/1980 6.82 08/13/1981 6.85 05/04/1982 8.34 09/14/1983 6.81 05/18/1984 8.57 09/05/1985 5.70 06/11/1986 9.10 08/03/1987 10.50 08/22/1988 5.80 08/14/1989 14.00 06/13/1990 9.90 03/22/1991 6.50 09/01/1992 8.30 06/12/1993 11.20 05/25/1994 7.80 04/10/1995 8.20 06/21/1997 6.70 05/20/1998 12.00 04/02/1999 8.80 06/12/2000 4.90 08/04/2002 5.90 04/16/2005 6.90 08/13/2006 7.70 07/26/2007 11.70 05/28/2008 11.20 06/15/2009 7.50 06/01/2010 13.00 Duration: 45 days 04/24/1951 12.84 06/20/1952 12.62 03/21/1953 5.52 08/21/1954 8.15 04/23/1955 6.49 07/27/1956 9.63 05/12/1957 8.35 07/01/1958 8.23 04/17/1959 10.26 07/05/1960 10.48 08/18/1961 8.14 05/05/1962 10.85 07/31/1963 7.23 05/23/1964 12.99 08/21/1965 15.20 05/15/1966 5.95 05/26/1967 15.01 09/03/1968 7.23 06/11/1969 7.61 09/02/1970 6.26 10/18/1971 7.41 07/31/1972 17.98 08/31/1973 11.74 04/04/1974 6.05 05/06/1975 8.05 04/13/1976 6.17 08/27/1977 9.17 08/14/1978 12.48 07/23/1979 8.60 07/25/1980 7.43 07/26/1981 9.22 05/05/1982 10.68 09/05/1983 7.82 04/29/1984 9.11 09/05/1985 7.90 04/02/1986 11.60 08/03/1987 12.80 08/22/1988 9.20 07/29/1989 15.90 06/13/1990 15.10 03/01/1991 9.00 08/25/1992 10.60 05/28/1993 13.60 05/29/1994 8.30 03/26/1995 9.70 06/12/1997 10.30 05/15/1998 14.70 04/02/1999 9.80 05/26/2000 5.80 07/10/2002 7.50 03/30/2005 9.70 08/08/2006 11.40 07/26/2007 14.30 05/25/2008 12.50 06/06/2009 10.20 06/05/2010 17.10 Duration: 60 days 04/09/1951 14.98 06/20/1952 16.38 03/07/1953 6.42 08/07/1954 10.86 04/12/1955 6.71 06/21/1956 12.23 08/18/1957 10.14 07/01/1958 9.67 05/02/1959 12.00 06/30/1960 13.69 08/18/1961 8.86 05/18/1962 12.77 07/27/1963 8.87 05/23/1964 16.62 08/02/1965 16.07 05/03/1966 7.14 05/10/1967 15.33 08/23/1968 8.74 06/11/1969 9.77 09/13/1970 7.75 05/17/1971 8.62 07/17/1972 21.41 03/10/1973 13.42 04/03/1974 7.72 04/20/1975 11.66 03/28/1976 7.90 07/11/1977 12.68 07/20/1978 13.72 07/10/1979 9.62 07/04/1980 8.16 07/15/1981 10.22 05/11/1982 13.16 09/14/1983 9.58 04/21/1984 13.63 04/18/1985 9.50 03/12/1986 13.80 06/29/1987 15.90 08/08/1988 9.30 07/15/1989 17.80 06/02/1990 16.40 03/01/1991 10.10 07/22/1992 13.20 05/28/1993 16.00 04/28/1994 9.20 04/07/1995 12.00 06/12/1996 18.80 05/25/1997 11.30 05/11/1998 18.20 06/22/1999 11.80 05/26/2000 6.80 08/04/2002 10.20 04/12/2005 11.70 07/25/2006 12.60 07/15/2007 15.80 05/27/2008 17.40 05/26/2009 11.30 06/01/2010 20.50