Precipitation annual maximum series (inches) Station ID: 13-8646 Station name: WALLIN 1NW State: IA Latitude (decimal degrees): 41.0781 Longitude (decimal degrees): -95.0717 Elevation (feet): 1250 Duration: 15 minutes 06/13/1976 0.80 08/31/1977 0.70 07/06/1978 0.60 09/01/1979 0.50 06/02/1980 0.70 08/02/1981 0.40 05/04/1982 0.70 06/28/1983 0.80 08/05/1985 1.10 09/19/1986 1.00 05/26/1987 1.30 08/26/1989 0.90 09/02/1990 0.60 06/14/1991 0.70 09/14/1992 0.50 06/13/1993 0.60 06/22/1994 0.70 07/22/1995 0.70 08/19/1996 0.80 10/28/1998 0.60 08/07/1999 0.70 06/13/2000 1.00 07/17/2001 0.60 10/01/2002 0.60 11/03/2003 0.70 07/22/2004 1.00 07/27/2006 0.60 05/06/2007 1.10 06/04/2008 1.10 08/15/2009 0.70 Duration: 30 minutes 06/13/1976 1.20 08/31/1977 1.10 07/06/1978 0.70 06/22/1979 0.80 06/04/1980 1.20 04/08/1981 0.60 05/04/1982 1.00 06/28/1983 1.30 08/05/1985 1.60 09/19/1986 1.20 05/26/1987 1.90 08/26/1989 1.10 09/02/1990 1.00 06/14/1991 0.90 09/14/1992 1.00 06/13/1993 0.90 06/22/1994 1.20 07/22/1995 0.90 08/19/1996 1.10 06/14/1998 0.90 08/07/1999 1.30 06/13/2000 2.00 09/07/2001 1.00 10/01/2002 0.80 11/03/2003 0.90 07/22/2004 1.30 07/27/2006 0.70 05/06/2007 2.10 06/04/2008 1.40 08/15/2009 1.00 Duration: 45 minutes 06/13/1976 1.70 08/15/1977 1.50 04/17/1978 0.80 09/01/1979 1.10 06/04/1980 1.30 08/02/1981 1.00 05/04/1982 1.30 06/28/1983 1.60 08/05/1985 2.00 09/19/1986 1.40 07/09/1987 2.40 09/08/1989 1.40 07/25/1990 1.10 06/14/1991 1.20 09/14/1992 1.20 06/13/1993 0.90 06/22/1994 1.60 07/22/1995 1.00 08/19/1996 1.30 06/14/1998 1.30 08/07/1999 1.70 06/13/2000 2.10 05/09/2001 1.20 10/01/2002 0.80 11/03/2003 0.90 07/22/2004 1.40 07/27/2006 0.80 05/06/2007 2.50 06/11/2008 1.60 08/15/2009 1.10 Duration: 1 hour 10/19/1949 0.86 08/04/1950 0.87 08/14/1951 0.96 08/01/1952 0.90 08/06/1953 0.88 08/21/1954 0.67 09/20/1955 1.07 07/13/1956 1.06 05/29/1957 0.70 08/05/1958 2.00 09/18/1959 0.89 06/30/1960 1.52 07/23/1961 0.90 09/03/1962 1.15 08/27/1963 0.80 05/25/1964 1.74 06/07/1965 2.00 07/15/1966 0.80 06/20/1967 2.30 08/20/1969 1.00 08/02/1970 2.00 09/04/1971 1.70 06/13/1976 2.11 08/15/1977 1.47 04/17/1978 0.73 09/01/1979 1.28 06/04/1980 1.19 08/02/1981 1.10 06/14/1982 1.56 06/28/1983 1.56 08/05/1985 1.93 09/19/1986 1.65 07/09/1987 2.75 09/08/1989 1.47 07/25/1990 1.19 06/14/1991 1.38 09/14/1992 1.19 09/22/1993 1.01 07/04/1994 1.56 07/22/1995 0.92 08/19/1996 1.19 06/14/1998 1.47 08/07/1999 2.11 06/13/2000 2.02 07/17/2001 1.19 06/11/2002 1.70 11/03/2003 0.83 07/22/2004 1.38 07/27/2006 0.73 05/06/2007 2.66 06/11/2008 1.56 08/15/2009 1.10 Duration: 2 hours 10/19/1949 1.05 10/01/1950 1.34 09/09/1951 1.20 08/01/1952 1.30 06/07/1953 1.02 08/21/1954 0.82 09/20/1955 1.24 08/18/1956 1.62 06/17/1957 0.75 08/05/1958 2.24 05/28/1959 1.17 09/18/1960 2.16 09/02/1961 1.04 07/19/1962 1.60 08/27/1963 1.15 05/25/1964 2.30 06/07/1965 2.30 06/27/1966 1.18 06/09/1967 3.20 05/21/1969 1.20 08/02/1970 2.10 09/04/1971 2.40 06/13/1976 2.79 09/17/1977 2.12 04/17/1978 1.25 09/01/1979 1.63 06/04/1980 1.44 08/02/1981 1.54 06/14/1982 2.31 06/28/1983 2.50 08/05/1985 2.02 09/19/1986 2.69 07/09/1987 4.81 09/08/1989 2.69 07/25/1990 1.54 06/14/1991 1.92 09/14/1992 1.44 09/22/1993 1.44 07/04/1994 1.73 03/25/1995 0.96 08/19/1996 1.35 06/14/1998 2.12 08/07/1999 3.85 06/13/2000 2.40 07/17/2001 1.54 06/11/2002 2.20 11/03/2003 1.35 07/22/2004 1.63 03/30/2006 0.77 05/06/2007 3.46 06/11/2008 1.92 08/15/2009 1.15 Duration: 3 hours 10/19/1949 1.07 10/01/1950 1.50 09/09/1951 1.40 06/22/1952 1.95 06/27/1953 1.31 08/21/1954 0.93 09/20/1955 1.39 08/18/1956 1.68 05/09/1957 1.21 08/05/1958 2.28 05/28/1959 1.24 09/17/1960 2.51 09/22/1961 1.13 07/19/1962 1.72 08/27/1963 1.36 05/25/1964 2.43 05/22/1965 2.35 06/27/1966 1.76 06/09/1967 4.60 05/21/1969 1.50 08/02/1970 2.20 09/04/1971 2.50 06/13/1976 3.10 08/31/1977 2.40 04/17/1978 1.50 09/01/1979 1.90 06/02/1980 1.50 08/02/1981 1.70 06/14/1982 3.10 06/28/1983 2.70 08/05/1985 2.10 09/19/1986 3.00 07/09/1987 5.00 09/08/1989 3.00 07/25/1990 1.60 06/14/1991 2.10 09/14/1992 1.60 07/22/1993 1.70 07/04/1994 2.00 03/25/1995 1.00 05/08/1996 1.40 06/14/1998 2.70 08/07/1999 4.70 06/13/2000 2.80 05/09/2001 1.90 06/11/2002 2.30 11/03/2003 1.60 07/22/2004 1.70 03/30/2006 0.90 05/06/2007 4.10 06/04/2008 2.60 08/15/2009 1.20 Duration: 6 hours 10/19/1949 1.46 10/01/1950 1.97 09/09/1951 1.60 06/22/1952 3.22 06/27/1953 1.32 08/21/1954 1.15 09/20/1955 1.53 08/17/1956 1.84 04/02/1957 1.29 08/05/1958 2.54 08/06/1959 1.31 09/17/1960 2.58 09/11/1961 1.36 07/19/1962 1.80 08/27/1963 1.53 05/25/1964 2.92 05/22/1965 2.70 06/27/1966 3.52 06/09/1967 5.30 08/20/1969 1.80 08/02/1970 2.22 09/04/1971 2.60 06/13/1976 3.70 08/30/1977 2.90 09/17/1978 2.00 09/01/1979 2.30 06/03/1980 1.80 08/02/1981 1.72 06/14/1982 4.40 06/28/1983 2.80 08/05/1985 2.20 09/19/1986 4.50 07/09/1987 5.70 09/08/1989 3.70 07/25/1990 1.90 06/14/1991 2.12 09/14/1992 1.90 07/22/1993 2.50 06/22/1994 2.02 03/25/1995 1.40 09/25/1996 1.80 06/14/1998 3.40 08/06/1999 6.20 06/13/2000 3.00 05/09/2001 1.92 06/11/2002 2.40 11/03/2003 1.80 07/22/2004 1.90 08/08/2006 1.10 05/06/2007 4.60 06/04/2008 4.00 04/26/2009 1.50 Duration: 12 hours 10/19/1949 2.19 10/01/1950 2.92 06/01/1951 1.73 06/22/1952 3.79 06/27/1953 1.34 08/22/1954 1.56 06/03/1955 1.77 08/17/1956 1.86 05/09/1957 2.22 08/05/1958 2.77 03/25/1959 1.42 06/30/1960 3.43 09/12/1961 2.03 05/28/1962 2.20 08/27/1963 1.55 05/25/1964 3.04 05/22/1965 3.10 06/27/1966 4.70 06/09/1967 5.60 06/26/1969 3.00 08/02/1970 2.24 09/04/1971 2.63 06/13/1976 3.74 08/30/1977 3.80 07/21/1978 2.50 09/01/1979 2.32 06/03/1980 1.82 08/02/1981 1.74 06/14/1982 4.50 06/28/1983 3.70 08/05/1985 2.22 09/18/1986 5.00 05/26/1987 5.80 09/07/1989 4.50 07/25/1990 2.50 06/14/1991 2.14 09/14/1992 2.30 07/22/1993 2.90 06/22/1994 2.04 03/25/1995 1.80 10/22/1996 2.50 06/14/1998 4.30 08/06/1999 6.30 06/13/2000 3.03 09/07/2001 2.10 06/11/2002 2.42 11/03/2003 2.60 07/22/2004 2.00 08/08/2006 1.60 05/06/2007 5.00 06/04/2008 4.90 04/26/2009 1.90 Duration: 1 day 10/19/1949 1.96 10/01/1950 3.35 08/14/1951 1.93 06/22/1952 3.41 08/06/1953 1.71 02/19/1954 1.54 06/03/1955 1.67 07/07/1956 1.93 05/09/1957 2.27 08/05/1958 2.54 09/18/1959 1.96 06/30/1960 4.25 09/12/1961 3.11 05/28/1962 2.29 08/27/1963 1.64 06/14/1964 2.71 05/22/1965 2.77 06/27/1966 4.20 06/26/1969 3.04 08/02/1970 3.75 09/04/1971 2.35 06/13/1976 3.34 08/31/1977 4.04 07/06/1978 2.59 09/01/1979 2.07 08/30/1980 2.77 08/02/1981 1.55 06/14/1982 4.11 06/28/1983 3.84 08/05/1985 1.98 09/19/1986 4.64 05/26/1987 6.70 11/15/1988 2.20 09/08/1989 5.45 07/25/1990 3.30 06/14/1991 2.68 09/14/1992 2.05 07/22/1993 2.95 07/04/1994 2.23 04/26/1995 2.23 10/22/1996 2.77 06/14/1998 5.00 08/07/1999 5.80 06/13/2000 2.71 09/07/2001 2.68 06/11/2002 2.16 11/03/2003 3.21 07/22/2004 1.88 05/12/2005 1.90 08/08/2006 1.43 05/06/2007 5.18 06/04/2008 4.46 10/22/2009 1.96 Duration: 2 days 10/18/1949 2.27 10/01/1950 3.65 04/29/1951 3.11 06/21/1952 4.12 08/06/1953 1.98 08/22/1954 2.83 06/23/1955 2.02 11/04/1956 2.23 05/09/1957 2.44 07/02/1958 3.82 06/29/1959 2.43 06/29/1960 4.58 09/11/1961 4.12 05/27/1962 2.94 08/27/1963 1.77 05/25/1964 2.92 05/21/1965 3.37 06/27/1966 4.52 06/25/1969 3.37 08/02/1970 4.13 09/04/1971 2.53 06/13/1976 3.65 08/30/1977 5.87 07/21/1978 3.46 09/01/1979 2.23 08/30/1980 3.27 08/02/1981 1.67 06/14/1982 4.43 06/27/1983 5.10 08/05/1985 2.14 09/18/1986 5.00 05/25/1987 7.88 11/15/1988 2.37 09/07/1989 6.15 07/25/1990 3.65 06/14/1991 2.89 09/14/1992 2.50 07/21/1993 3.46 06/22/1994 2.40 04/25/1995 2.40 05/08/1996 4.52 06/14/1998 6.15 08/06/1999 6.25 06/12/2000 2.98 09/06/2001 3.37 06/11/2002 2.69 11/02/2003 4.81 07/21/2004 2.69 05/11/2005 3.70 08/07/2006 1.73 05/06/2007 6.25 06/04/2008 5.58 10/21/2009 2.40 Duration: 3 days 10/17/1949 2.39 10/01/1950 3.80 04/29/1951 3.23 06/20/1952 4.44 08/05/1953 2.06 08/21/1954 3.44 06/03/1955 2.10 11/03/1956 2.38 05/09/1957 2.54 07/01/1958 4.10 09/17/1959 2.65 06/29/1960 4.76 09/10/1961 4.34 07/19/1962 3.21 04/27/1963 2.00 05/25/1964 3.04 05/22/1965 3.60 06/27/1966 4.70 06/09/1967 7.90 06/26/1969 4.50 08/02/1970 4.30 09/04/1971 2.60 06/13/1976 3.80 08/29/1977 6.78 07/20/1978 3.60 09/01/1979 2.30 05/31/1980 3.40 08/02/1981 1.70 06/13/1982 4.70 06/26/1983 5.40 08/03/1985 2.50 09/17/1986 5.90 05/25/1987 8.50 11/15/1988 2.39 09/07/1989 6.50 07/24/1990 3.80 06/14/1991 3.00 07/11/1992 2.70 07/20/1993 4.80 06/22/1994 2.50 04/25/1995 2.50 05/08/1996 4.80 06/13/1998 6.40 08/06/1999 6.50 06/11/2000 3.20 09/06/2001 3.50 06/11/2002 2.80 11/02/2003 5.10 07/21/2004 2.80 05/10/2005 3.80 04/28/2006 1.90 05/05/2007 6.50 06/03/2008 6.50 10/21/2009 2.50 Duration: 4 days 10/17/1949 2.41 09/28/1950 4.01 04/29/1951 3.26 06/19/1952 4.48 06/24/1953 2.81 08/21/1954 3.51 06/03/1955 2.12 07/15/1956 2.64 05/09/1957 2.82 07/01/1958 4.14 09/17/1959 2.68 06/29/1960 4.81 09/10/1961 4.38 07/19/1962 3.24 04/26/1963 2.08 06/19/1964 4.33 05/21/1965 4.00 06/27/1966 4.75 06/07/1967 8.90 06/25/1969 4.60 08/02/1970 4.34 10/29/1971 3.50 06/13/1976 3.84 08/28/1977 8.46 07/19/1978 3.70 09/01/1979 2.32 06/01/1980 4.40 08/02/1981 1.90 06/12/1982 4.80 06/26/1983 5.50 08/03/1985 2.60 09/17/1986 5.96 05/24/1987 8.60 11/12/1988 2.42 09/07/1989 6.56 07/24/1990 3.84 04/11/1991 3.20 09/14/1992 3.20 07/20/1993 4.85 06/20/1994 2.90 04/25/1995 2.52 05/08/1996 4.85 06/13/1998 6.46 08/06/1999 6.56 06/11/2000 3.23 09/06/2001 3.60 10/01/2002 3.40 11/02/2003 5.15 07/21/2004 2.90 05/10/2005 3.90 03/30/2006 2.60 05/04/2007 7.10 06/03/2008 6.56 10/21/2009 2.52 Duration: 7 days 09/04/1949 2.62 09/28/1950 4.61 04/24/1951 4.14 06/20/1952 4.86 08/02/1953 3.06 08/17/1954 4.29 09/20/1955 2.34 07/07/1956 3.87 05/09/1957 3.89 07/01/1958 4.18 06/29/1959 2.83 06/29/1960 4.87 09/10/1961 4.43 05/22/1962 3.40 08/27/1963 3.26 06/14/1964 5.10 05/21/1965 4.60 06/27/1966 4.80 06/05/1967 13.20 06/25/1969 4.80 07/27/1970 4.80 10/27/1971 4.10 06/13/1976 4.20 08/27/1977 11.45 09/13/1978 4.10 09/01/1979 3.10 05/29/1980 5.60 07/27/1981 2.10 06/08/1982 5.60 06/26/1983 5.55 07/30/1985 3.40 09/17/1986 6.70 05/24/1987 9.20 11/09/1988 2.80 09/03/1989 8.00 07/21/1990 3.90 04/12/1991 3.70 07/07/1992 3.40 07/18/1993 5.70 06/18/1994 3.50 04/20/1995 2.90 05/06/1996 5.10 06/08/1998 8.20 08/06/1999 7.20 06/11/2000 3.50 09/06/2001 3.64 10/01/2002 3.43 11/02/2003 5.20 07/21/2004 3.00 05/08/2005 4.00 03/27/2006 2.90 05/02/2007 7.50 05/30/2008 8.40 08/15/2009 2.80 Duration: 10 days 09/04/1949 3.06 09/28/1950 5.36 04/24/1951 4.65 06/18/1952 5.03 06/24/1953 3.23 08/14/1954 4.67 09/19/1955 3.51 07/07/1956 4.84 05/09/1957 4.18 07/02/1958 6.03 09/17/1959 3.35 09/17/1960 5.19 09/03/1961 4.62 05/20/1962 4.57 08/27/1963 3.83 06/13/1964 7.29 05/18/1965 4.90 06/27/1966 4.90 06/05/1967 13.90 06/25/1969 4.85 07/26/1970 5.00 10/27/1971 4.14 04/17/1976 5.30 08/26/1977 13.80 09/13/1978 5.20 08/28/1979 3.50 05/29/1980 5.66 07/25/1981 3.30 06/07/1982 6.00 06/26/1983 5.61 08/05/1985 3.80 09/15/1986 7.00 05/19/1987 10.90 07/09/1988 3.50 08/31/1989 8.20 07/19/1990 4.40 04/11/1991 4.60 07/04/1992 4.00 07/13/1993 7.00 06/18/1994 3.80 04/25/1995 3.40 05/08/1996 5.50 06/07/1998 9.10 08/06/1999 7.27 06/23/2000 4.20 05/02/2001 4.00 09/27/2002 3.60 11/02/2003 5.25 05/22/2004 3.70 05/10/2005 4.20 03/27/2006 2.93 10/08/2007 7.58 06/03/2008 10.60 10/21/2009 4.10 Duration: 20 days 10/04/1949 3.50 09/28/1950 5.66 04/20/1951 7.12 06/18/1952 6.13 06/08/1953 4.22 08/07/1954 7.12 05/23/1955 3.93 06/29/1956 7.87 05/09/1957 4.65 07/01/1958 8.43 05/02/1959 5.40 06/11/1960 7.86 09/10/1961 6.28 05/18/1962 5.88 08/27/1963 5.02 06/08/1964 8.55 05/21/1965 9.00 06/27/1966 7.20 06/05/1967 18.30 06/11/1969 6.20 07/14/1970 5.70 10/29/1971 6.00 04/17/1976 5.30 08/15/1977 15.80 07/06/1978 6.70 03/17/1979 4.50 05/29/1980 7.20 07/14/1981 5.30 05/04/1982 9.00 06/11/1983 8.30 07/30/1985 6.20 09/14/1986 8.80 05/19/1987 11.80 06/29/1988 5.60 08/22/1989 10.70 07/07/1990 6.80 04/11/1991 5.10 09/01/1992 5.30 07/05/1993 11.40 06/18/1994 6.70 04/20/1995 5.30 05/08/1996 9.00 05/29/1998 10.40 08/06/1999 7.80 06/13/2000 7.70 05/02/2001 6.20 09/18/2002 4.70 11/02/2003 5.80 05/13/2004 5.90 05/10/2005 4.50 08/01/2006 4.20 05/05/2007 12.10 05/23/2008 15.20 04/26/2009 4.60 Duration: 30 days 05/06/1949 4.51 09/19/1950 5.94 04/20/1951 8.97 06/18/1952 8.46 06/04/1953 5.99 07/31/1954 7.55 05/06/1955 5.52 06/19/1956 9.73 05/09/1957 6.63 07/01/1958 10.13 05/02/1959 7.72 08/05/1960 8.75 09/01/1961 8.43 06/29/1962 6.83 08/12/1963 6.41 05/25/1964 11.59 05/18/1965 9.90 06/27/1966 8.30 06/04/1967 19.00 06/25/1969 7.70 07/26/1970 6.30 10/20/1971 7.10 05/16/1976 6.90 08/06/1977 19.50 04/09/1978 7.30 03/02/1979 5.70 08/10/1980 9.00 07/08/1981 6.20 05/04/1982 10.30 05/30/1983 8.90 07/19/1985 8.20 09/14/1986 11.70 05/19/1987 12.30 06/29/1988 5.90 08/15/1989 11.90 07/04/1990 7.70 05/16/1991 7.00 07/02/1992 6.50 06/24/1993 14.90 06/05/1994 9.50 04/10/1995 7.00 04/28/1996 11.30 05/19/1998 12.30 05/04/1999 8.50 06/11/2000 8.80 05/02/2001 8.40 07/25/2002 5.90 04/15/2003 7.00 05/04/2004 7.40 05/10/2005 6.90 07/21/2006 5.50 05/02/2007 13.60 05/22/2008 17.90 10/01/2009 5.80 Duration: 45 days 05/14/1949 6.32 07/04/1950 8.07 04/20/1951 12.52 06/20/1952 10.92 06/24/1953 6.80 07/20/1954 8.21 04/23/1955 7.30 07/07/1956 12.57 05/09/1957 8.32 07/01/1958 13.27 04/17/1959 9.28 08/05/1960 11.52 08/10/1961 10.00 05/18/1962 7.87 07/30/1963 8.65 05/22/1964 13.58 05/18/1965 13.80 06/12/1966 9.50 06/04/1967 19.00 05/16/1969 10.00 08/02/1970 7.90 10/18/1971 8.40 04/17/1976 9.20 08/04/1977 23.00 04/05/1978 8.50 03/17/1979 7.80 07/25/1980 10.30 07/25/1981 8.00 05/04/1982 16.30 05/17/1983 10.20 07/19/1985 8.90 09/17/1986 13.20 05/26/1987 16.80 06/29/1988 6.20 07/29/1989 12.30 06/12/1990 11.00 03/22/1991 8.80 07/02/1992 7.60 06/13/1993 18.70 05/25/1994 12.40 03/25/1995 9.60 04/19/1996 13.70 05/11/1998 14.50 07/26/1999 10.00 05/26/2000 10.80 05/02/2001 10.70 07/10/2002 8.50 04/28/2003 8.50 05/08/2004 9.90 05/08/2005 8.00 08/08/2006 8.00 04/10/2007 16.80 05/21/2008 19.60 04/26/2009 7.40 Duration: 60 days 05/01/1949 7.61 08/04/1950 9.39 04/20/1951 13.99 06/21/1952 12.72 06/08/1953 8.12 08/07/1954 10.46 05/03/1955 8.45 06/20/1956 15.53 03/17/1957 9.03 06/12/1958 14.45 05/02/1959 11.52 06/30/1960 15.13 07/27/1961 11.46 05/24/1962 10.78 07/27/1963 10.00 04/26/1964 15.75 05/05/1965 14.90 05/17/1966 10.80 06/04/1967 21.60 05/05/1969 12.40 06/11/1970 9.30 05/05/1971 10.00 04/17/1976 13.00 08/09/1977 26.10 07/20/1978 9.80 03/02/1979 9.20 07/16/1980 11.20 07/14/1981 10.10 05/04/1982 17.20 05/01/1983 12.70 08/03/1985 10.20 09/03/1986 14.20 05/19/1987 22.10 06/29/1988 7.50 07/15/1989 14.60 06/06/1990 12.40 04/08/1991 10.70 09/05/1992 8.80 05/27/1993 20.30 05/29/1994 13.00 03/25/1995 11.50 04/28/1996 16.10 05/11/1998 16.20 08/06/1999 11.30 05/26/2000 12.10 04/22/2001 12.00 08/12/2002 9.40 04/28/2003 10.80 05/08/2004 11.10 04/10/2005 10.40 07/27/2006 9.60 03/27/2007 20.20 05/02/2008 22.10 06/21/2009 9.60