Precipitation annual maximum series (inches) Station ID: 09-4230 Station name: HELEN State: GA Latitude (decimal degrees): 34.6997 Longitude (decimal degrees): -83.7261 Elevation (feet): 1493 Duration: 15 minutes 08/31/1979 0.60 10/18/1980 0.50 06/02/1981 0.60 06/17/1982 0.60 07/06/1984 0.70 06/10/1985 0.70 08/27/1986 1.10 04/14/1987 1.10 05/22/1989 0.90 06/27/1990 0.90 03/29/1991 0.80 06/25/1992 0.80 06/24/1993 0.80 03/27/1994 1.10 07/28/1995 1.20 11/08/1996 0.80 06/01/1997 0.50 09/29/1998 0.90 07/11/1999 0.80 07/27/2001 1.20 07/30/2003 0.80 07/28/2005 1.20 06/25/2006 0.50 08/24/2008 0.70 09/21/2009 1.00 06/15/2010 0.70 Duration: 30 minutes 08/31/1979 1.00 07/27/1980 0.80 09/07/1981 0.80 07/09/1982 1.10 07/06/1984 1.00 06/10/1985 1.10 08/27/1986 1.60 04/14/1987 1.10 05/22/1989 1.00 09/10/1990 1.30 09/18/1991 1.20 09/21/1992 1.20 08/14/1993 1.10 08/15/1994 1.60 07/28/1995 1.90 11/08/1996 1.00 05/02/1997 0.80 04/16/1998 1.50 06/26/1999 1.10 07/27/2001 1.70 06/14/2003 1.10 07/28/2005 1.30 06/25/2006 0.60 03/04/2008 0.80 12/25/2009 1.70 06/15/2010 1.00 Duration: 45 minutes 09/03/1979 1.20 07/27/1980 0.90 09/07/1981 0.90 07/09/1982 1.50 07/14/1984 1.00 06/10/1985 1.10 08/27/1986 1.80 04/14/1987 1.10 05/22/1989 1.00 09/10/1990 1.60 09/18/1991 1.60 09/21/1992 1.50 06/24/1993 1.10 08/15/1994 2.00 07/28/1995 2.30 02/02/1996 1.10 05/02/1997 1.00 04/16/1998 1.70 06/26/1999 1.60 07/27/2001 2.10 07/30/2003 1.50 07/28/2005 1.40 06/25/2006 0.70 07/08/2008 0.90 12/25/2009 1.70 06/15/2010 1.30 Duration: 1 hour 08/31/1979 1.19 07/27/1980 0.83 09/07/1981 1.01 07/09/1982 1.65 02/13/1984 1.01 06/10/1985 1.10 08/27/1986 1.83 04/14/1987 1.10 06/16/1988 2.20 05/22/1989 0.92 09/09/1990 1.65 09/18/1991 1.65 09/21/1992 1.56 08/14/1993 1.10 08/15/1994 2.20 07/28/1995 2.39 02/02/1996 1.01 05/02/1997 1.10 09/29/1998 1.74 06/26/1999 1.93 07/27/2001 2.11 08/15/2003 1.47 07/28/2005 1.28 06/26/2006 0.83 08/26/2008 0.92 09/26/2009 1.65 06/15/2010 1.28 Duration: 2 hours 09/03/1979 1.25 03/21/1980 1.35 09/07/1981 1.73 06/17/1982 1.92 05/08/1984 1.44 06/10/1985 1.15 08/27/1986 2.12 04/03/1987 1.35 05/23/1989 1.15 09/09/1990 2.12 03/29/1991 2.60 09/21/1992 1.92 06/24/1993 1.25 08/15/1994 2.88 07/28/1995 2.50 11/08/1996 1.25 05/02/1997 1.44 09/29/1998 2.31 07/11/1999 2.60 07/27/2001 2.31 07/30/2003 1.63 07/28/2005 1.35 06/26/2006 1.15 08/26/2008 1.73 12/25/2009 1.92 08/21/2010 1.92 Duration: 3 hours 03/04/1979 1.40 03/21/1980 1.60 09/06/1981 2.20 06/17/1982 2.00 03/20/1984 1.70 08/17/1985 1.40 08/27/1986 2.20 04/03/1987 1.50 06/15/1989 1.30 09/09/1990 2.20 03/29/1991 3.50 08/22/1992 2.00 06/24/1993 1.40 08/15/1994 3.10 07/28/1995 2.60 11/08/1996 1.60 05/02/1997 1.80 09/29/1998 2.70 07/11/1999 3.00 07/27/2001 2.40 07/30/2003 1.70 07/28/2005 1.40 10/17/2006 1.30 08/26/2008 2.20 12/25/2009 2.00 08/21/2010 2.20 Duration: 6 hours 04/12/1979 2.30 03/17/1980 2.50 05/27/1981 2.40 07/29/1982 2.30 03/20/1984 2.60 08/17/1985 1.90 05/19/1986 2.22 04/03/1987 2.00 10/01/1989 1.60 09/12/1990 2.50 03/29/1991 4.00 11/02/1992 2.50 05/04/1993 1.90 08/15/1994 3.60 10/03/1995 3.20 01/26/1996 3.20 10/26/1997 2.70 09/29/1998 4.80 07/11/1999 3.20 07/27/2001 2.50 07/01/2003 2.80 06/12/2005 2.10 10/17/2006 1.90 08/26/2008 2.90 12/24/2009 2.20 08/21/2010 2.40 Duration: 12 hours 03/03/1979 3.70 03/17/1980 3.70 05/27/1981 2.80 08/10/1982 3.60 03/20/1984 2.80 08/17/1985 2.50 10/25/1986 3.20 04/03/1987 2.20 12/31/1989 2.50 03/16/1990 4.10 03/29/1991 5.10 10/03/1992 3.20 11/26/1993 2.60 03/27/1994 3.80 10/03/1995 5.10 01/26/1996 4.90 10/25/1997 4.10 09/29/1998 4.85 07/11/1999 3.40 07/27/2001 2.80 07/01/2003 4.70 06/12/2005 2.90 11/15/2006 3.10 08/26/2008 4.20 09/20/2009 4.00 04/24/2010 3.60 Duration: 1 day 04/05/1957 4.45 07/08/1958 2.50 08/12/1960 3.51 12/12/1961 5.51 04/11/1962 2.71 03/12/1963 4.87 10/04/1964 5.75 06/15/1965 4.02 02/13/1966 4.50 08/23/1967 8.12 03/12/1968 4.60 11/01/1969 4.08 10/20/1970 3.51 05/13/1971 2.70 12/15/1972 3.15 05/28/1973 4.50 08/03/1974 4.00 12/31/1975 2.35 05/15/1976 3.62 03/29/1977 3.75 07/17/1984 2.77 08/16/1985 2.23 05/27/1986 5.00 01/18/1987 3.04 09/04/1988 2.10 10/01/1989 3.04 02/10/1990 5.45 03/29/1991 5.00 02/15/1992 3.66 08/27/1993 2.41 08/17/1994 5.27 08/27/1995 5.80 03/06/1996 7.72 10/26/1997 6.00 09/29/1998 4.55 01/23/1999 3.75 09/21/2000 3.82 07/31/2001 2.95 09/26/2002 2.03 07/02/2003 5.71 09/17/2004 8.05 08/08/2005 4.45 06/27/2006 4.11 03/02/2007 2.35 08/27/2008 4.82 09/21/2009 4.55 04/25/2010 3.75 Duration: 2 days 11/18/1957 4.90 07/08/1958 4.28 08/12/1960 3.87 12/11/1961 7.24 04/11/1962 3.69 03/11/1963 6.90 10/04/1964 6.68 09/30/1965 5.08 05/26/1966 5.87 08/22/1967 13.17 03/11/1968 4.95 11/01/1969 5.43 06/03/1970 4.46 12/06/1971 3.25 05/13/1972 4.44 05/27/1973 4.92 08/03/1974 4.31 03/13/1975 3.46 05/14/1976 5.17 03/29/1977 7.50 07/17/1984 4.13 01/31/1985 3.17 05/27/1986 5.67 02/27/1987 4.90 01/19/1988 3.19 09/30/1989 4.80 02/09/1990 6.35 03/28/1991 5.67 12/16/1992 4.52 03/26/1993 2.79 08/16/1994 9.04 08/26/1995 8.94 03/06/1996 8.31 10/25/1997 6.82 02/03/1998 5.77 02/01/1999 4.62 04/02/2000 4.50 01/19/2001 4.52 09/26/2002 3.56 06/07/2003 6.83 09/17/2004 8.67 08/08/2005 5.18 11/16/2006 4.81 12/31/2006 2.74 08/26/2008 8.46 09/20/2009 8.17 11/30/2010 5.08 Duration: 3 days 11/17/1957 5.18 07/07/1958 4.97 08/12/1960 5.08 12/10/1961 10.61 04/11/1962 3.73 04/28/1963 8.32 10/03/1964 6.74 09/30/1965 5.13 05/25/1966 6.75 08/22/1967 16.22 03/10/1968 5.78 11/01/1969 5.48 06/02/1970 6.06 05/13/1971 3.80 05/13/1972 5.06 05/27/1973 4.97 08/03/1974 4.35 03/12/1975 3.66 05/13/1976 5.54 03/28/1977 7.81 07/16/1984 4.42 01/31/1985 4.22 09/01/1986 5.73 02/27/1987 4.95 10/02/1988 3.50 09/29/1989 6.60 09/12/1990 6.41 03/28/1991 5.73 11/02/1992 4.56 03/26/1993 2.83 08/15/1994 9.13 08/26/1995 9.03 03/06/1996 8.39 10/24/1997 8.10 02/02/1998 5.83 01/31/1999 5.35 04/02/2000 5.50 01/18/2001 4.56 09/26/2002 3.83 06/07/2003 6.90 09/16/2004 8.75 08/07/2005 5.71 06/25/2006 5.00 01/06/2007 4.11 08/25/2008 9.10 09/20/2009 8.30 11/30/2010 5.13 Duration: 4 days 11/16/1957 6.23 07/06/1958 6.05 08/11/1960 5.19 12/10/1961 10.87 04/11/1962 3.77 04/28/1963 8.40 10/02/1964 6.87 09/30/1965 5.18 02/13/1966 7.46 08/22/1967 17.12 03/10/1968 5.84 11/01/1969 5.54 06/02/1970 6.65 05/12/1971 3.97 05/13/1972 5.11 05/27/1973 5.02 08/03/1974 4.39 03/11/1975 4.21 05/13/1976 5.90 03/28/1977 7.89 07/15/1984 5.02 01/31/1985 4.26 08/31/1986 5.79 02/26/1987 5.50 01/17/1988 4.88 09/28/1989 6.70 02/07/1990 6.47 11/19/1991 5.79 11/21/1992 4.77 01/21/1993 3.20 08/14/1994 9.22 08/26/1995 9.12 01/24/1996 8.48 10/24/1997 8.18 02/02/1998 5.89 01/30/1999 6.85 04/02/2000 5.55 07/28/2001 4.92 09/25/2002 3.97 06/05/2003 6.97 09/16/2004 8.84 08/07/2005 5.77 06/24/2006 5.54 01/05/2007 5.03 08/25/2008 9.51 09/19/2009 8.45 09/27/2010 5.37 Duration: 7 days 11/14/1957 8.45 07/06/1958 7.55 03/29/1960 6.79 12/10/1961 11.74 04/06/1962 5.54 03/06/1963 10.12 09/29/1964 11.90 06/11/1965 5.27 02/10/1966 9.61 08/21/1967 18.25 03/10/1968 6.43 08/16/1969 6.38 05/29/1970 7.31 07/29/1971 5.09 12/15/1972 6.05 12/26/1973 7.34 08/03/1974 6.24 09/17/1975 5.09 05/11/1976 6.88 03/28/1977 9.06 07/26/1984 7.12 01/31/1985 5.27 08/31/1986 5.85 02/26/1987 5.55 01/17/1988 4.93 09/25/1989 10.05 09/09/1990 8.00 05/04/1991 5.85 12/16/1992 6.48 03/21/1993 4.93 08/14/1994 9.31 08/22/1995 9.21 01/24/1996 8.65 10/24/1997 8.26 02/02/1998 5.95 01/30/1999 6.99 04/02/2000 5.61 07/25/2001 5.81 01/19/2002 6.02 06/03/2003 7.04 09/16/2004 8.93 08/07/2005 7.23 06/24/2006 5.59 01/01/2007 6.27 08/25/2008 9.60 09/16/2009 12.15 09/26/2010 6.60 Duration: 10 days 11/14/1957 9.35 07/06/1958 9.49 03/29/1960 6.86 12/10/1961 14.93 04/06/1962 5.69 03/04/1963 12.07 09/28/1964 12.46 06/07/1965 6.74 02/10/1966 9.71 08/20/1967 18.68 03/10/1968 6.49 08/14/1969 7.22 05/29/1970 7.90 06/27/1971 6.23 01/04/1972 7.50 05/20/1973 8.88 08/03/1974 8.55 03/10/1975 6.16 05/07/1976 7.98 03/28/1977 10.66 07/25/1984 7.98 01/28/1985 5.59 05/19/1986 5.91 02/22/1987 6.20 01/13/1988 5.06 09/22/1989 10.90 02/07/1990 8.35 04/27/1991 5.96 12/16/1992 6.65 03/22/1993 5.45 08/14/1994 9.40 08/22/1995 9.30 01/18/1996 11.20 10/24/1997 9.65 01/27/1998 6.92 01/23/1999 7.40 03/27/2000 5.80 07/25/2001 5.87 01/19/2002 6.08 06/04/2003 7.11 09/08/2004 10.81 06/04/2005 8.49 06/24/2006 5.65 12/31/2006 8.13 08/25/2008 9.70 09/14/2009 13.11 02/05/2010 6.68 Duration: 20 days 01/22/1957 12.20 07/06/1958 13.28 07/27/1960 10.21 12/10/1961 15.93 03/25/1962 9.62 03/01/1963 14.52 09/28/1964 13.79 06/07/1965 7.12 02/13/1966 13.69 08/21/1967 19.67 08/31/1968 9.00 01/18/1969 12.57 05/23/1970 9.44 07/24/1971 8.83 12/05/1972 9.40 12/26/1973 11.18 07/24/1974 11.02 03/11/1975 9.82 05/11/1976 12.00 03/11/1977 13.41 07/13/1984 14.17 01/28/1985 8.24 08/16/1986 8.32 02/13/1987 7.89 01/17/1988 7.14 09/12/1989 13.07 02/03/1990 10.30 04/29/1991 8.75 12/10/1992 9.38 03/21/1993 8.44 08/14/1994 10.42 08/08/1995 10.34 01/12/1996 12.26 10/19/1997 10.25 02/03/1998 9.06 01/14/1999 11.35 03/16/2000 9.00 05/21/2001 7.76 09/14/2002 9.34 06/03/2003 9.23 08/29/2004 14.95 08/07/2005 12.10 10/17/2006 7.46 12/22/2006 11.37 08/25/2008 9.92 09/09/2009 16.12 01/25/2010 10.86 Duration: 30 days 11/09/1957 14.14 06/27/1958 13.98 07/18/1960 12.10 12/10/1961 18.48 03/20/1962 12.14 02/19/1963 15.52 03/14/1964 17.34 05/19/1965 9.06 02/10/1966 15.84 08/12/1967 20.34 03/10/1968 11.20 01/18/1969 14.02 10/14/1970 10.22 07/12/1971 11.06 12/15/1971 11.45 05/20/1973 14.61 07/20/1974 13.70 03/07/1975 11.43 05/01/1976 14.80 03/07/1977 16.37 07/05/1984 17.54 06/30/1985 10.27 11/25/1986 10.08 02/26/1987 9.73 09/04/1988 10.05 06/05/1989 13.99 01/18/1990 15.16 04/19/1991 12.16 10/31/1992 14.42 03/13/1993 11.14 07/19/1994 16.30 10/13/1995 14.80 03/02/1996 14.80 10/24/1997 12.14 01/06/1998 14.06 01/23/1999 12.48 03/11/2000 10.25 07/21/2001 9.16 09/14/2002 10.58 06/03/2003 12.40 08/21/2004 16.95 08/07/2005 16.80 10/18/2006 9.16 12/13/2006 11.59 12/10/2008 14.80 09/15/2009 19.64 01/17/2010 14.89 Duration: 45 days 01/22/1957 19.48 07/06/1958 15.36 07/23/1960 15.11 11/04/1961 20.67 02/21/1962 15.86 02/01/1963 16.91 03/14/1964 22.00 01/23/1965 12.23 04/13/1966 18.30 07/18/1967 24.95 02/28/1968 12.45 12/21/1968 15.69 10/09/1970 12.62 06/27/1971 17.83 12/05/1971 16.20 05/08/1973 17.73 12/26/1973 19.35 02/16/1975 16.61 05/07/1976 16.93 02/24/1977 20.03 06/22/1984 20.18 07/13/1985 12.24 11/11/1986 12.96 01/17/1987 13.29 08/21/1988 12.95 06/09/1989 16.94 02/02/1990 19.10 03/28/1991 17.11 08/11/1992 16.55 12/11/1992 17.19 07/04/1994 19.20 10/03/1995 17.50 01/24/1996 17.03 09/24/1997 15.76 12/22/1997 18.36 12/22/1998 16.56 03/11/2000 11.97 05/21/2001 10.64 11/06/2002 14.36 06/03/2003 17.34 08/06/2004 19.57 07/06/2005 21.36 10/17/2006 13.62 12/22/2006 13.56 11/29/2008 17.05 09/14/2009 24.51 01/17/2010 14.89 Duration: 60 days 09/28/1957 23.33 06/27/1958 18.52 08/01/1960 21.64 02/17/1961 23.30 02/16/1962 21.40 03/04/1963 23.21 03/02/1964 25.76 02/06/1965 15.52 01/05/1966 21.31 06/29/1967 34.97 03/10/1968 14.79 12/13/1968 18.59 04/17/1970 13.54 11/24/1971 20.30 10/23/1972 19.85 04/17/1973 21.51 12/25/1973 23.21 02/02/1975 20.95 05/07/1976 22.54 02/24/1977 22.67 06/13/1984 21.53 06/29/1985 15.43 10/13/1986 15.08 02/16/1987 15.86 12/09/1987 14.72 06/04/1989 21.94 01/18/1990 25.61 03/29/1991 21.22 10/31/1992 24.30 02/10/1993 16.98 06/24/1994 23.87 09/14/1995 19.91 01/18/1996 22.33 09/24/1997 17.95 12/21/1997 21.99 12/22/1998 19.25 02/27/2000 13.88 07/27/2001 13.19 09/14/2002 19.28 05/19/2003 19.63 07/31/2004 24.63 07/04/2005 27.94 11/12/2006 17.77 12/08/2007 13.27 11/13/2008 18.99 09/14/2009 29.82 12/09/2009 19.49