Precipitation annual maximum series (inches) Station ID: 13-1245 Station name: CARSON 3NNE State: IA Latitude (decimal degrees): 41.2739 Longitude (decimal degrees): -95.4025 Elevation (feet): 1090 Duration: 15 minutes 09/04/1981 0.50 08/04/1982 0.80 07/28/1983 0.80 10/06/1984 0.50 07/19/1985 0.50 07/08/1986 0.80 07/09/1987 0.90 07/15/1988 0.80 05/18/1989 0.60 07/25/1990 0.90 06/13/1991 0.80 09/14/1992 0.80 07/24/1993 1.00 07/22/1995 0.60 06/21/1996 0.60 06/25/1997 0.60 04/06/1998 0.60 08/06/1999 1.00 07/26/2000 1.10 08/22/2002 0.70 05/08/2003 0.60 07/09/2004 0.90 05/21/2007 1.00 05/30/2008 1.00 07/03/2009 0.80 06/05/2010 0.70 Duration: 30 minutes 09/04/1981 0.80 05/04/1982 1.10 07/28/1983 0.90 10/06/1984 0.70 07/19/1985 0.70 07/08/1986 1.10 07/09/1987 1.10 07/15/1988 0.90 09/01/1989 0.80 07/25/1990 1.40 06/13/1991 1.50 09/14/1992 1.40 07/24/1993 1.40 07/22/1995 0.70 06/21/1996 0.80 06/25/1997 1.10 04/06/1998 0.90 08/07/1999 1.70 07/26/2000 1.90 08/12/2002 0.90 05/08/2003 0.90 07/09/2004 1.30 05/21/2007 1.20 06/04/2008 1.70 06/25/2009 1.10 06/05/2010 1.30 Duration: 45 minutes 09/04/1981 1.00 05/04/1982 1.40 07/28/1983 1.00 08/07/1984 0.90 07/19/1985 0.80 07/08/1986 1.30 07/09/1987 1.20 07/15/1988 1.50 06/07/1989 1.10 07/25/1990 1.90 06/13/1991 1.50 09/14/1992 1.80 08/11/1993 1.90 07/22/1995 0.80 06/21/1996 1.00 06/25/1997 1.40 04/06/1998 1.10 08/07/1999 2.30 07/26/2000 2.30 08/12/2002 1.10 06/25/2003 1.00 07/09/2004 1.60 06/22/2007 1.40 06/04/2008 2.50 08/07/2009 1.30 06/05/2010 1.60 Duration: 1 hour 07/02/1951 1.38 08/03/1952 0.58 09/28/1954 1.01 07/08/1955 2.45 07/07/1956 1.52 05/29/1957 1.30 07/02/1958 1.66 05/28/1959 0.87 08/28/1960 2.60 07/31/1961 1.24 07/21/1962 1.34 08/27/1963 1.00 08/20/1964 1.54 06/29/1965 0.96 06/25/1966 1.69 07/28/1967 0.92 10/08/1968 1.33 07/17/1969 1.55 07/14/1970 1.13 06/29/1971 0.93 09/11/1972 1.49 07/03/1973 1.98 08/13/1974 1.21 06/24/1975 1.14 07/27/1976 2.27 09/23/1977 1.87 09/13/1978 2.42 07/29/1979 2.36 09/04/1981 1.01 05/04/1982 1.56 07/28/1983 0.92 05/25/1984 0.83 07/19/1985 0.83 07/08/1986 1.28 07/09/1987 1.28 07/15/1988 1.47 06/07/1989 1.28 07/26/1990 1.93 05/16/1991 1.38 09/14/1992 1.74 08/11/1993 1.93 07/22/1995 0.73 06/21/1996 0.92 06/25/1997 1.28 04/06/1998 1.19 08/07/1999 2.29 07/26/2000 2.11 08/22/2002 1.10 05/08/2003 0.92 05/22/2004 1.56 10/14/2007 1.56 06/04/2008 2.66 08/07/2009 1.47 06/05/2010 1.65 Duration: 2 hours 07/02/1951 1.53 06/20/1952 0.91 09/28/1954 1.20 07/08/1955 4.70 07/07/1956 1.59 05/29/1957 1.69 07/02/1958 2.28 04/27/1959 1.19 08/28/1960 3.69 07/31/1961 1.84 07/27/1962 1.80 09/10/1963 1.30 08/20/1964 1.62 06/29/1965 1.59 06/25/1966 3.03 06/20/1967 1.58 10/08/1968 1.78 07/17/1969 1.94 08/01/1970 1.58 05/18/1971 1.24 09/11/1972 1.64 07/03/1973 2.21 08/13/1974 1.27 06/24/1975 1.95 07/27/1976 2.38 09/23/1977 2.25 09/13/1978 2.76 07/29/1979 3.04 09/04/1981 1.44 05/04/1982 1.83 11/03/1983 1.15 05/25/1984 1.06 07/19/1985 1.06 07/08/1986 1.54 07/09/1987 2.60 07/15/1988 1.83 06/07/1989 2.02 07/25/1990 2.79 06/01/1991 2.02 09/14/1992 1.92 08/11/1993 2.69 07/22/1995 0.87 06/21/1996 1.15 06/25/1997 1.54 04/06/1998 1.83 08/07/1999 4.04 07/26/2000 2.21 06/11/2002 1.70 11/17/2003 0.96 05/22/2004 2.02 06/22/2007 1.73 06/04/2008 2.98 08/07/2009 2.50 06/05/2010 2.12 Duration: 3 hours 07/02/1951 1.56 09/13/1952 1.10 08/22/1954 1.36 07/08/1955 6.45 07/07/1956 1.62 05/29/1957 1.74 07/02/1958 2.46 04/27/1959 1.45 08/28/1960 4.00 07/31/1961 2.09 07/27/1962 2.04 09/10/1963 1.36 08/20/1964 1.68 06/28/1965 2.28 06/25/1966 3.32 06/04/1967 1.90 10/08/1968 1.87 07/17/1969 2.18 08/01/1970 1.66 05/18/1971 1.63 07/25/1972 2.44 07/03/1973 2.28 10/30/1974 1.57 06/24/1975 1.99 07/27/1976 2.43 09/23/1977 2.29 09/19/1978 2.88 07/29/1979 3.49 09/04/1981 1.80 05/04/1982 1.90 07/28/1983 1.30 05/25/1984 1.20 07/19/1985 1.20 07/08/1986 1.60 07/09/1987 3.20 07/15/1988 2.00 06/07/1989 2.10 07/25/1990 3.50 06/13/1991 2.10 09/14/1992 2.10 08/11/1993 3.00 05/07/1995 0.90 06/21/1996 1.20 06/25/1997 1.70 04/06/1998 2.10 08/06/1999 5.60 06/13/2000 2.60 06/10/2002 2.60 11/17/2003 1.00 05/08/2004 2.30 06/22/2007 1.90 06/04/2008 3.10 08/07/2009 2.80 06/05/2010 2.20 Duration: 6 hours 07/02/1951 2.05 06/20/1952 1.25 08/22/1954 2.11 07/08/1955 6.64 09/04/1956 2.22 05/29/1957 1.76 07/02/1958 3.51 04/27/1959 1.97 08/28/1960 4.90 07/31/1961 2.30 07/21/1962 2.12 08/01/1963 2.50 05/25/1964 2.23 06/28/1965 2.71 06/25/1966 4.09 06/04/1967 2.44 10/16/1968 2.35 07/17/1969 2.44 08/01/1970 1.82 05/17/1971 2.02 09/11/1972 3.17 07/03/1973 2.30 10/30/1974 2.02 06/18/1975 2.07 06/26/1976 2.48 09/23/1977 2.45 09/19/1978 4.15 07/29/1979 3.66 09/04/1981 2.20 06/14/1982 2.10 05/01/1983 1.70 05/24/1984 1.80 07/19/1985 1.70 09/19/1986 1.90 07/08/1987 3.40 07/15/1988 2.02 06/07/1989 2.40 07/25/1990 5.00 06/13/1991 2.70 09/14/1992 2.30 08/11/1993 3.30 05/07/1995 1.30 09/25/1996 1.70 06/24/1997 2.10 06/14/1998 2.80 08/06/1999 9.30 06/13/2000 3.30 06/10/2002 2.70 11/17/2003 1.40 05/22/2004 2.32 10/14/2007 2.40 06/04/2008 3.40 08/07/2009 2.83 06/05/2010 3.10 Duration: 12 hours 07/02/1951 3.17 06/20/1952 1.82 08/22/1954 2.51 07/08/1955 6.71 09/04/1956 2.94 05/29/1957 1.78 07/02/1958 3.66 04/27/1959 2.01 08/28/1960 4.95 07/31/1961 2.40 05/28/1962 2.89 08/01/1963 2.52 05/25/1964 2.40 06/28/1965 2.74 06/25/1966 5.85 06/04/1967 3.03 10/16/1968 3.29 07/17/1969 2.70 08/01/1970 1.84 05/17/1971 2.19 09/11/1972 3.30 09/25/1973 2.76 10/30/1974 2.31 06/18/1975 2.10 06/26/1976 2.55 11/08/1977 2.93 07/21/1978 4.71 07/28/1979 3.70 09/04/1981 2.30 05/04/1982 2.20 05/01/1983 2.00 05/24/1984 2.10 07/19/1985 2.20 10/11/1986 2.50 08/07/1987 4.00 07/15/1988 2.04 09/07/1989 3.20 07/25/1990 5.05 06/13/1991 2.73 09/14/1992 2.40 08/11/1993 3.33 04/26/1995 1.70 09/25/1996 1.80 09/22/1997 2.40 06/14/1998 4.20 08/06/1999 10.20 06/13/2000 3.33 06/10/2002 2.73 11/17/2003 1.41 05/22/2004 2.35 10/14/2007 3.20 06/04/2008 4.00 08/07/2009 2.86 06/05/2010 3.20 Duration: 1 day 05/09/1951 2.83 06/20/1952 2.21 06/27/1953 1.23 02/19/1954 2.34 07/08/1955 5.99 09/05/1956 2.71 05/29/1957 1.59 07/02/1958 3.54 05/28/1959 1.97 08/28/1960 4.42 09/12/1961 2.59 05/28/1962 3.28 08/01/1963 2.28 06/11/1964 2.14 09/07/1965 2.45 06/25/1966 5.24 06/05/1967 2.71 10/16/1968 3.48 07/17/1969 2.46 09/14/1970 1.88 05/18/1971 2.32 09/11/1972 4.83 07/03/1973 2.94 10/30/1974 2.21 06/18/1975 1.88 07/27/1976 2.88 11/08/1977 2.66 09/19/1978 4.62 07/29/1979 3.36 08/31/1980 2.00 09/04/1981 2.05 03/19/1982 2.23 05/01/1983 1.96 04/29/1984 2.05 07/19/1985 2.05 10/11/1986 2.77 07/09/1987 3.66 09/15/1988 1.88 09/08/1989 4.11 07/25/1990 7.32 06/01/1991 2.68 09/14/1992 2.41 07/22/1993 3.30 04/26/1995 1.96 09/25/1996 1.79 09/22/1997 2.68 06/14/1998 4.55 08/07/1999 10.00 06/13/2000 2.98 09/07/2001 2.00 06/11/2002 2.44 11/17/2003 1.61 05/22/2004 2.32 10/14/2007 3.48 06/11/2008 3.75 08/07/2009 2.55 06/05/2010 2.86 Duration: 2 days 07/02/1951 3.05 06/20/1952 2.86 11/19/1953 1.45 08/21/1954 4.05 07/08/1955 6.45 09/04/1956 3.77 08/27/1957 2.78 07/02/1958 5.47 06/29/1959 2.81 08/28/1960 4.76 09/11/1961 3.29 05/28/1962 3.53 09/10/1963 2.46 06/10/1964 2.47 09/07/1965 3.64 06/25/1966 5.67 06/04/1967 2.92 10/16/1968 3.96 07/16/1969 2.79 10/08/1970 2.78 10/29/1971 2.69 09/10/1972 6.83 07/02/1973 3.91 10/30/1974 2.63 06/23/1975 2.21 07/26/1976 4.88 11/08/1977 2.87 07/21/1978 5.32 07/29/1979 3.94 08/30/1980 3.90 09/04/1981 2.21 06/14/1982 2.79 05/01/1983 2.60 06/12/1984 2.21 07/18/1985 2.31 10/11/1986 2.98 07/08/1987 4.52 09/15/1988 2.12 09/07/1989 4.81 07/25/1990 8.08 06/13/1991 2.98 09/14/1992 2.79 07/21/1993 4.13 04/25/1995 2.40 11/15/1996 2.40 09/22/1997 3.08 06/13/1998 5.00 08/06/1999 10.77 06/13/2000 3.27 04/10/2001 2.40 06/10/2002 2.79 11/03/2003 2.12 05/22/2004 2.50 10/13/2007 4.33 06/04/2008 4.71 06/06/2009 3.08 06/04/2010 3.27 Duration: 3 days 07/02/1951 3.17 06/20/1952 3.52 06/25/1953 1.50 08/21/1954 4.52 07/08/1955 6.64 09/03/1956 3.92 08/26/1957 2.89 07/01/1958 6.04 08/02/1959 3.03 08/28/1960 4.93 09/10/1961 3.44 05/26/1962 3.82 09/10/1963 2.55 06/14/1964 2.95 09/06/1965 4.07 06/25/1966 6.07 06/05/1967 4.10 10/16/1968 4.14 07/16/1969 2.91 10/07/1970 2.91 10/27/1971 3.03 09/10/1972 7.35 07/01/1973 4.36 10/29/1974 2.78 08/26/1975 2.78 07/26/1976 5.07 09/02/1977 3.19 09/17/1978 5.65 07/28/1979 4.10 08/15/1980 4.40 09/04/1981 2.50 05/04/1982 2.90 05/01/1983 2.80 06/12/1984 3.20 07/18/1985 2.40 10/09/1986 3.20 07/07/1987 5.00 07/15/1988 2.40 09/07/1989 5.00 07/25/1990 8.40 06/13/1991 3.10 09/14/1992 3.30 07/22/1993 5.60 05/07/1995 2.60 06/21/1996 3.00 09/22/1997 3.20 06/13/1998 5.20 08/06/1999 11.20 06/11/2000 3.50 04/09/2001 2.50 08/21/2002 2.90 11/02/2003 2.20 05/22/2004 2.70 05/09/2007 4.90 06/03/2008 5.50 06/06/2009 3.30 06/03/2010 3.40 Duration: 4 days 07/02/1951 4.49 06/20/1952 3.94 06/24/1953 2.50 08/21/1954 4.56 07/08/1955 6.71 09/03/1956 3.96 06/14/1957 3.22 07/01/1958 6.10 08/02/1959 4.40 08/25/1960 5.03 09/10/1961 3.47 05/25/1962 4.17 08/01/1963 2.58 06/11/1964 4.16 09/06/1965 4.28 06/25/1966 6.57 06/04/1967 4.90 10/16/1968 4.18 07/16/1969 2.94 10/07/1970 2.94 10/29/1971 4.50 09/10/1972 7.42 06/30/1973 4.71 08/13/1974 3.28 08/26/1975 3.71 07/26/1976 5.12 09/01/1977 3.48 09/17/1978 6.63 07/28/1979 4.14 08/14/1980 5.00 09/04/1981 3.50 05/04/1982 2.93 05/01/1983 2.83 06/12/1984 3.60 07/18/1985 2.42 03/31/1986 3.40 07/07/1987 5.50 07/15/1988 2.50 09/07/1989 5.05 07/23/1990 8.50 05/29/1991 3.20 09/14/1992 3.70 07/21/1993 6.30 05/07/1995 2.63 06/20/1996 3.30 09/22/1997 3.23 06/11/1998 5.80 08/06/1999 11.31 06/11/2000 3.53 04/10/2001 2.52 08/20/2002 3.10 11/02/2003 2.22 05/22/2004 2.73 05/09/2007 5.20 06/03/2008 5.55 06/06/2009 3.40 06/05/2010 4.10 Duration: 7 days 07/02/1951 4.56 06/20/1952 4.35 06/21/1953 2.66 08/17/1954 5.31 07/08/1955 6.78 08/30/1956 4.58 08/26/1957 3.94 07/01/1958 6.16 07/31/1959 4.71 08/24/1960 5.46 07/27/1961 3.73 05/22/1962 4.81 08/27/1963 4.27 06/10/1964 5.72 09/04/1965 5.18 06/25/1966 6.64 06/05/1967 7.44 10/16/1968 4.22 06/22/1969 3.20 07/27/1970 3.44 10/26/1971 5.79 09/07/1972 7.50 06/30/1973 4.76 08/13/1974 3.51 08/24/1975 5.12 07/21/1976 5.36 08/30/1977 5.19 09/13/1978 9.10 07/23/1979 6.15 08/10/1980 7.10 09/04/1981 3.53 05/04/1982 2.96 05/01/1983 3.00 06/09/1984 4.60 07/18/1985 3.00 07/05/1986 4.10 07/05/1987 6.50 07/09/1988 3.20 09/07/1989 5.20 07/21/1990 9.00 05/30/1991 3.70 09/01/1992 3.74 07/20/1993 7.30 05/03/1995 3.70 09/19/1996 3.40 06/24/1997 3.80 06/08/1998 7.50 08/06/1999 11.90 06/11/2000 3.70 04/05/2001 2.80 08/17/2002 3.60 05/04/2003 3.20 05/08/2004 3.90 10/12/2007 5.30 05/30/2008 7.20 06/06/2009 4.00 06/05/2010 5.50 Duration: 10 days 07/02/1951 4.67 06/19/1952 5.40 06/24/1953 3.42 08/14/1954 5.95 06/29/1955 6.84 08/30/1956 4.63 08/23/1957 4.28 07/01/1958 8.14 04/27/1959 5.87 08/24/1960 5.51 07/23/1961 4.07 07/13/1962 6.13 08/27/1963 5.20 06/11/1964 6.15 08/30/1965 5.83 06/25/1966 6.71 06/05/1967 8.60 10/08/1968 6.17 07/17/1969 4.15 07/26/1970 3.88 10/26/1971 5.85 09/04/1972 7.58 06/30/1973 5.08 08/08/1974 4.35 08/26/1975 5.34 07/20/1976 5.72 08/26/1977 5.68 09/13/1978 10.08 07/23/1979 6.44 08/10/1980 8.60 08/26/1981 3.70 05/04/1982 3.70 06/11/1983 3.20 06/07/1984 5.50 07/18/1985 3.10 07/05/1986 4.70 07/05/1987 7.30 07/09/1988 3.70 08/31/1989 6.70 07/19/1990 9.50 06/05/1991 4.70 09/05/1992 4.30 07/16/1993 8.30 05/03/1995 3.90 05/23/1996 3.80 06/21/1997 4.40 06/07/1998 7.70 08/06/1999 12.02 06/11/2000 4.20 04/03/2001 3.10 08/17/2002 3.64 04/29/2003 4.60 05/08/2004 4.60 10/05/2007 5.80 06/03/2008 10.10 08/07/2009 5.30 06/05/2010 6.60 Duration: 20 days 06/18/1951 7.15 06/19/1952 6.37 06/15/1953 4.28 08/04/1954 7.55 06/23/1955 9.00 08/18/1956 5.51 05/29/1957 6.81 07/01/1958 10.05 04/17/1959 7.18 08/16/1960 8.41 09/11/1961 6.23 07/11/1962 8.37 08/27/1963 7.80 06/08/1964 8.07 09/04/1965 7.70 06/08/1966 7.42 05/28/1967 12.38 09/28/1968 6.81 06/11/1969 5.51 07/14/1970 5.91 10/18/1971 6.72 04/19/1972 8.84 09/24/1973 7.20 07/31/1974 4.68 08/10/1975 8.44 07/14/1976 5.99 08/25/1977 6.03 09/13/1978 10.25 07/14/1979 7.93 08/04/1980 9.40 06/29/1981 5.30 05/04/1982 6.00 05/01/1983 4.40 06/02/1984 7.40 07/18/1985 4.60 09/22/1986 7.20 06/24/1987 9.00 06/28/1988 5.90 08/21/1989 8.80 07/09/1990 10.60 05/29/1991 7.90 09/01/1992 7.50 07/05/1993 13.10 04/20/1995 6.90 05/08/1996 6.10 10/08/1997 5.50 05/29/1998 10.10 07/23/1999 12.60 06/13/2000 6.00 09/03/2001 3.80 08/12/2002 5.40 04/19/2003 5.60 05/08/2004 7.30 04/24/2007 8.70 05/23/2008 14.40 06/06/2009 7.20 06/04/2010 9.00 Duration: 30 days 06/06/1951 8.56 06/19/1952 7.20 06/04/1953 6.01 08/04/1954 8.10 06/11/1955 9.17 06/19/1956 7.92 05/29/1957 8.54 07/01/1958 12.01 05/02/1959 8.89 08/05/1960 11.62 09/02/1961 7.50 06/29/1962 8.93 08/27/1963 9.40 05/25/1964 10.47 08/29/1965 9.68 06/02/1966 8.54 05/29/1967 15.48 09/18/1968 7.37 06/21/1969 7.02 09/13/1970 6.54 10/26/1971 7.79 04/15/1972 10.20 03/03/1973 8.78 08/07/1974 5.06 08/10/1975 10.17 03/26/1976 6.70 08/06/1977 9.06 08/24/1978 11.96 07/23/1979 8.73 08/04/1980 13.61 06/29/1981 6.10 05/04/1982 7.60 10/10/1983 5.20 05/18/1984 11.50 07/19/1985 5.90 09/13/1986 10.20 06/24/1987 10.10 06/28/1988 6.30 08/19/1989 9.60 07/04/1990 11.60 05/16/1991 9.60 09/01/1992 8.30 06/28/1993 15.40 04/10/1995 8.50 04/28/1996 8.70 04/30/1997 5.80 05/20/1998 12.40 07/09/1999 13.80 06/13/2000 7.30 08/14/2001 3.90 08/12/2002 5.40 04/15/2003 6.80 05/02/2004 9.20 04/22/2007 10.80 05/22/2008 15.90 06/06/2009 8.70 05/30/2010 11.00 Duration: 45 days 05/31/1951 10.65 05/16/1952 9.26 06/07/1953 6.90 08/04/1954 8.68 05/26/1955 11.62 06/19/1956 9.07 05/12/1957 9.68 07/01/1958 15.09 04/17/1959 12.21 08/05/1960 12.43 08/18/1961 9.13 06/19/1962 9.45 08/01/1963 11.18 05/25/1964 12.04 05/18/1965 11.03 05/15/1966 10.37 05/27/1967 15.98 09/03/1968 9.49 06/12/1969 9.68 09/13/1970 8.35 10/18/1971 9.19 04/15/1972 12.44 03/24/1973 11.66 07/31/1974 6.68 08/01/1975 10.36 04/14/1976 10.32 08/25/1977 11.23 08/10/1978 13.43 07/23/1979 11.45 07/20/1980 14.81 08/23/1981 7.40 05/04/1982 11.00 09/29/1983 6.50 05/04/1984 12.70 06/23/1985 7.00 04/02/1986 12.30 07/05/1987 13.40 06/28/1988 6.40 07/29/1989 10.00 06/13/1990 15.90 05/29/1991 11.90 08/26/1992 10.10 06/13/1993 19.30 04/25/1995 11.20 04/19/1996 9.80 09/12/1997 8.90 05/15/1998 15.10 06/27/1999 18.20 06/13/2000 11.10 09/03/2001 5.60 08/12/2002 7.10 04/19/2003 7.70 05/08/2004 12.60 04/10/2007 11.90 05/24/2008 17.70 06/06/2009 10.70 06/01/2010 13.90 Duration: 60 days 05/09/1951 13.51 05/16/1952 11.06 05/17/1953 8.21 08/07/1954 11.00 05/23/1955 11.93 07/11/1956 10.32 05/09/1957 10.98 06/19/1958 15.79 04/17/1959 13.00 06/30/1960 15.26 07/27/1961 11.33 05/24/1962 13.08 08/01/1963 12.78 04/26/1964 14.29 05/21/1965 12.88 05/07/1966 12.33 05/30/1967 17.24 08/18/1968 11.00 05/19/1969 10.61 09/13/1970 9.31 05/05/1971 9.70 09/10/1972 13.88 03/09/1973 15.65 08/08/1974 6.99 04/27/1975 11.06 03/29/1976 11.13 08/09/1977 14.34 07/22/1978 14.41 07/10/1979 12.98 07/20/1980 15.61 07/08/1981 9.20 05/04/1982 12.10 05/01/1983 9.40 04/20/1984 17.20 06/23/1985 8.50 03/31/1986 14.00 05/20/1987 17.10 06/28/1988 8.00 07/11/1989 12.70 06/13/1990 17.30 05/15/1991 14.10 07/22/1992 11.10 07/04/1993 24.40 04/07/1995 14.00 04/28/1996 13.50 08/30/1997 10.20 05/11/1998 18.50 06/10/1999 21.70 05/30/2000 12.30 08/15/2001 6.90 08/12/2002 9.10 04/28/2003 9.30 04/24/2004 14.10 08/20/2007 15.80 05/09/2008 20.20 06/19/2009 12.20 04/29/2010 16.80