Precipitation annual maximum series (inches) Station ID: 55-0840 Station name: UPPER SAN JUAN State: CO Latitude (decimal degrees): 37.4858 Longitude (decimal degrees): -106.8353 Elevation (feet): 10200 Duration: 1 day 02/02/1940 2.34 03/24/1941 1.69 09/11/1942 1.60 01/23/1943 3.80 03/15/1945 2.28 04/07/1946 2.43 08/22/1947 1.55 02/10/1948 2.67 12/10/1949 2.25 02/07/1950 1.48 12/30/1951 4.90 01/07/1952 2.10 10/20/1953 1.80 01/25/1954 2.10 12/02/1955 2.49 09/13/1958 2.05 10/02/1959 2.75 01/12/1960 1.68 04/08/1961 2.35 11/15/1962 1.89 02/11/1963 1.22 12/12/1964 1.76 01/07/1965 2.57 12/08/1966 3.00 12/20/1967 1.95 11/16/1969 2.70 09/06/1970 3.20 12/18/1978 4.10 04/18/1979 3.40 02/16/1980 4.20 11/29/1981 2.70 03/13/1982 3.20 11/20/1983 2.70 12/27/1984 3.30 03/28/1985 2.90 09/25/1986 2.80 11/01/1987 1.80 11/24/1988 2.10 02/04/1989 3.60 05/02/1990 2.90 01/04/1991 2.30 12/28/1992 3.20 08/28/1993 2.70 02/08/1994 1.90 01/13/1997 2.20 03/28/1998 2.30 04/01/1999 1.90 10/11/2000 1.50 04/06/2001 2.40 12/17/2002 1.70 11/13/2003 2.00 09/19/2004 3.90 01/11/2005 3.80 10/06/2006 1.90 12/07/2007 4.20 Duration: 2 days 01/12/1940 3.80 03/23/1941 3.05 04/23/1942 2.75 01/23/1943 7.60 03/15/1945 3.91 04/06/1946 3.36 02/27/1947 2.24 02/10/1948 3.92 12/09/1949 3.41 01/29/1950 2.28 12/30/1951 7.18 03/01/1952 3.57 11/05/1953 2.60 01/25/1954 3.45 11/14/1955 3.70 09/13/1958 2.85 10/01/1959 5.26 03/01/1960 2.41 03/04/1961 3.39 11/15/1962 2.45 01/30/1963 2.00 12/28/1964 3.00 12/23/1965 3.81 12/08/1966 4.40 12/19/1967 2.90 10/04/1969 3.20 09/05/1970 4.10 03/19/1979 5.30 01/09/1980 5.50 12/30/1981 3.30 11/29/1982 3.70 11/20/1983 3.90 12/27/1984 4.30 03/27/1985 5.70 10/31/1986 4.00 08/23/1987 2.30 11/24/1988 2.80 02/03/1989 6.00 05/02/1990 3.20 02/28/1991 3.20 12/28/1992 4.00 08/28/1993 3.70 02/07/1994 3.40 01/12/1997 4.10 11/08/1998 3.40 04/01/1999 3.40 10/10/2000 2.30 04/05/2001 2.90 11/08/2002 2.40 11/01/2003 3.20 09/18/2004 4.30 01/10/2005 6.20 10/05/2006 2.40 11/30/2007 5.90 Duration: 3 days 02/02/1940 4.17 03/22/1941 3.68 04/23/1942 3.43 01/22/1943 9.11 03/14/1945 4.74 04/05/1946 4.04 11/19/1947 2.77 02/10/1948 3.96 12/09/1949 3.76 01/29/1950 2.63 12/29/1951 8.83 03/01/1952 3.60 04/06/1953 3.33 03/21/1954 3.77 12/01/1955 4.42 09/13/1958 2.88 09/30/1959 7.61 01/12/1960 3.32 03/04/1961 4.24 11/15/1962 2.99 01/29/1963 2.59 12/27/1964 4.00 01/06/1965 3.91 12/06/1966 5.40 12/18/1967 3.51 10/03/1969 3.30 03/30/1970 4.96 03/19/1979 6.10 02/16/1980 5.90 12/30/1981 4.50 03/13/1982 5.10 11/19/1983 4.00 12/27/1984 5.00 03/27/1985 7.00 09/24/1986 4.20 02/24/1987 2.60 12/23/1988 3.40 02/03/1989 6.80 05/01/1990 3.40 02/28/1991 3.80 08/22/1992 5.50 08/26/1993 4.60 10/14/1994 3.90 01/12/1997 5.10 10/25/1998 4.90 04/01/1999 4.30 10/10/2000 3.10 02/25/2001 3.30 11/07/2002 2.50 11/01/2003 3.80 01/01/2004 5.00 01/09/2005 7.30 03/11/2006 3.10 11/30/2007 6.60 Duration: 4 days 01/10/1940 4.60 03/22/1941 3.72 04/22/1942 3.77 01/21/1943 9.40 03/14/1945 5.15 04/05/1946 4.35 11/19/1947 3.52 02/07/1948 4.18 12/09/1949 3.80 01/29/1950 2.85 12/29/1951 9.31 03/01/1952 3.64 04/05/1953 3.93 03/20/1954 4.40 12/01/1955 5.09 03/14/1958 3.05 09/30/1959 7.95 01/11/1960 3.70 03/04/1961 5.99 11/15/1962 3.46 01/29/1963 2.79 12/28/1964 4.05 01/06/1965 3.95 12/06/1966 6.80 12/18/1967 3.91 10/03/1969 3.33 03/30/1970 5.01 03/19/1979 7.90 02/16/1980 6.50 12/30/1981 5.30 03/13/1982 5.80 11/18/1983 4.60 12/26/1984 5.20 03/26/1985 7.30 02/13/1986 4.80 02/23/1987 2.90 12/22/1988 3.80 02/02/1989 7.50 04/29/1990 3.43 10/27/1991 4.50 08/22/1992 5.55 08/26/1993 5.60 10/14/1994 4.70 01/11/1997 5.80 03/26/1998 5.20 04/01/1999 5.20 10/09/2000 3.20 02/25/2001 4.10 10/26/2002 2.70 11/01/2003 3.84 12/31/2003 5.20 01/08/2005 9.90 10/06/2006 4.10 12/07/2007 7.60 Duration: 7 days 02/01/1940 4.74 02/19/1941 4.11 04/21/1942 4.00 01/18/1943 9.89 03/14/1945 5.91 04/03/1946 4.56 11/17/1947 4.42 02/05/1948 7.17 01/20/1949 4.02 11/14/1950 3.45 12/25/1951 9.66 01/13/1952 5.39 04/05/1953 4.09 03/20/1954 5.37 11/12/1955 5.58 03/12/1958 3.45 09/30/1959 8.34 01/11/1960 4.38 03/03/1961 6.48 11/15/1962 3.98 01/29/1963 3.09 12/27/1964 6.31 12/24/1965 4.03 12/03/1966 9.03 12/16/1967 5.00 02/16/1969 3.72 03/28/1970 5.16 03/17/1979 9.00 01/09/1980 8.30 10/10/1981 5.70 12/30/1981 7.00 12/18/1983 6.70 12/26/1984 5.25 03/26/1985 7.60 02/13/1986 7.20 10/31/1987 3.70 12/19/1988 5.30 01/31/1989 9.20 12/15/1990 3.80 02/28/1991 6.40 12/28/1992 7.20 02/14/1993 7.10 02/03/1994 5.00 01/08/1997 5.90 10/21/1998 6.90 03/29/1999 6.00 02/11/2000 3.90 02/23/2001 5.10 10/23/2002 3.80 11/01/2003 4.20 12/29/2003 5.90 01/05/2005 11.00 03/09/2006 5.50 12/05/2007 10.00 Duration: 10 days 01/05/1940 5.95 04/10/1941 5.80 03/11/1942 5.07 01/21/1943 10.77 03/14/1945 6.46 03/30/1946 4.62 11/14/1947 5.32 02/03/1948 7.49 12/09/1949 5.00 01/29/1950 4.33 12/29/1951 11.70 01/13/1952 6.41 04/05/1953 4.51 03/16/1954 6.73 11/12/1955 5.87 03/09/1958 4.15 09/25/1959 9.21 01/11/1960 4.47 02/27/1961 8.09 02/08/1962 4.80 01/29/1963 3.12 12/23/1964 8.27 12/23/1965 6.54 12/03/1966 9.12 12/12/1967 6.55 10/03/1969 4.70 09/05/1970 6.50 03/20/1979 10.80 01/07/1980 9.10 12/28/1981 8.10 03/13/1982 5.92 12/18/1983 8.30 12/20/1984 5.80 11/20/1985 8.00 02/11/1986 8.00 10/29/1987 4.50 12/18/1988 5.60 01/27/1989 10.10 12/12/1990 6.20 02/28/1991 6.46 08/22/1992 6.10 01/02/1993 8.00 02/03/1994 5.70 01/05/1997 6.90 10/19/1998 8.00 03/29/1999 6.30 02/09/2000 4.60 02/21/2001 5.30 10/22/2002 5.20 02/24/2003 5.30 12/25/2003 7.30 01/02/2005 14.20 10/05/2006 7.00 11/29/2007 13.90 Duration: 20 days 12/25/1939 6.71 03/13/1941 9.23 04/05/1942 7.52 01/17/1943 12.94 03/01/1945 9.39 03/20/1946 7.87 11/19/1947 7.95 01/24/1948 11.47 12/23/1948 8.47 01/24/1950 5.75 12/30/1951 15.12 10/20/1953 6.05 03/12/1954 7.50 11/14/1955 9.74 03/16/1958 6.85 09/19/1959 9.80 01/01/1960 5.64 02/16/1961 9.83 02/08/1962 7.65 01/29/1963 5.24 12/23/1964 12.28 12/13/1965 8.39 11/22/1966 9.49 07/12/1967 7.58 02/06/1969 6.58 03/01/1970 7.65 03/14/1979 14.40 01/09/1980 12.50 12/21/1981 10.30 02/25/1982 9.20 11/16/1983 10.00 12/10/1984 10.20 11/10/1985 15.70 02/03/1986 10.10 10/24/1987 6.00 12/18/1988 9.20 01/24/1989 12.50 04/17/1990 8.10 10/27/1991 8.70 08/13/1992 6.60 12/28/1992 13.50 02/03/1994 8.70 01/07/1997 9.60 10/21/1998 13.00 04/19/1999 7.60 02/09/2000 7.50 04/05/2001 7.70 10/22/2002 8.20 10/29/2003 9.00 12/15/2003 8.20 12/28/2004 19.20 10/02/2006 8.70 11/23/2007 17.70 Duration: 30 days 01/06/1940 10.57 03/22/1941 12.09 04/05/1942 9.98 01/17/1943 13.45 02/26/1945 11.17 03/20/1946 8.42 11/10/1947 9.86 02/23/1948 14.74 12/31/1948 10.84 01/13/1950 7.03 12/29/1951 20.04 10/20/1953 7.65 07/22/1954 8.45 11/12/1955 11.17 03/10/1958 9.35 09/19/1959 9.80 02/02/1960 7.28 02/27/1961 13.50 02/08/1962 8.41 01/18/1963 6.44 12/12/1964 15.23 12/09/1965 10.12 12/03/1966 12.35 07/12/1967 10.57 02/06/1969 8.42 03/01/1970 10.15 03/01/1979 17.30 01/07/1980 16.20 12/21/1981 11.00 11/06/1982 13.10 11/08/1983 12.40 12/02/1984 11.80 11/10/1985 17.20 02/10/1986 11.10 03/15/1987 7.80 12/15/1988 10.30 01/24/1989 13.90 12/12/1990 11.30 02/28/1991 12.20 08/22/1992 8.40 12/22/1992 16.40 10/14/1994 10.70 12/28/1996 12.00 10/16/1998 15.20 04/01/1999 9.80 02/09/2000 10.90 02/01/2001 9.40 10/18/2002 8.50 10/29/2003 10.10 12/06/2003 10.10 12/29/2004 23.00 03/09/2006 13.00 11/23/2007 18.70 Duration: 45 days 01/06/1940 12.31 02/16/1941 17.18 03/12/1942 13.55 12/24/1942 15.25 03/01/1945 15.14 03/03/1946 10.00 08/10/1947 10.15 02/05/1948 21.91 12/23/1948 15.90 01/02/1950 9.52 12/13/1951 23.77 11/09/1952 10.67 03/01/1953 9.50 07/07/1954 9.38 10/27/1955 11.65 02/25/1958 12.70 09/25/1959 13.29 02/02/1960 9.10 02/27/1961 18.03 02/08/1962 11.53 01/04/1963 8.05 12/12/1964 16.48 11/18/1965 14.44 11/22/1966 12.81 07/07/1967 12.14 10/04/1969 11.20 02/21/1970 13.26 02/20/1979 20.50 01/07/1980 24.20 11/25/1981 14.10 10/26/1982 17.50 11/13/1983 19.40 11/25/1984 14.00 10/28/1985 18.70 09/24/1986 16.20 02/12/1987 10.70 12/21/1987 11.80 12/23/1988 19.70 03/27/1990 13.30 02/16/1991 14.20 07/12/1992 10.30 12/28/1992 19.80 10/14/1994 12.80 12/23/1996 14.00 10/01/1998 16.30 03/23/1999 14.20 02/09/2000 13.20 01/26/2001 13.80 09/26/2002 12.20 02/05/2003 12.80 09/18/2004 12.70 12/29/2004 28.00 09/06/2006 14.20 11/29/2007 24.90 Duration: 60 days 01/03/1940 15.62 02/19/1941 22.58 02/25/1942 16.83 01/18/1943 22.67 02/15/1945 18.18 03/15/1946 11.03 10/11/1947 14.29 01/24/1948 26.21 12/11/1948 18.78 12/10/1949 13.17 11/09/1952 20.04 03/01/1953 11.44 01/25/1954 12.27 01/01/1955 13.28 02/05/1958 14.30 08/05/1959 14.78 01/11/1960 12.37 02/12/1961 19.81 01/14/1962 12.54 12/19/1962 10.15 11/10/1964 20.71 11/16/1965 14.64 11/08/1966 16.14 07/07/1967 14.27 09/20/1969 12.60 03/01/1970 14.81 02/20/1979 25.00 12/23/1979 27.80 11/25/1981 14.80 10/26/1982 20.10 10/31/1983 21.60 12/08/1984 16.50 10/06/1985 22.90 02/06/1986 19.30 02/12/1987 13.60 12/06/1987 14.00 12/15/1988 22.80 03/05/1990 18.30 10/24/1991 15.80 02/04/1992 12.40 12/28/1992 27.90 10/14/1994 16.10 09/15/1997 14.40 10/16/1998 17.70 07/15/1999 15.10 02/09/2000 16.20 01/12/2001 17.40 09/12/2002 12.80 11/06/2003 16.30 09/03/2004 15.10 12/28/2004 35.40 08/23/2006 16.20 11/30/2007 30.00