Precipitation annual maximum series (inches) Station ID: 39-4983 Station name: LONGVALLEY State: SD Latitude (decimal degrees): 43.4600 Longitude (decimal degrees): -101.4956 Elevation (feet): 2470 Duration: 1 day 03/27/1928 2.10 04/24/1929 1.88 08/16/1930 2.67 05/08/1931 1.85 05/06/1932 2.04 08/01/1933 0.78 08/16/1934 1.08 09/26/1936 0.71 06/05/1937 0.92 04/27/1938 1.33 10/09/1939 1.14 04/28/1940 1.60 06/09/1941 2.35 04/30/1942 2.51 07/02/1943 1.05 05/17/1944 1.94 08/13/1945 1.63 06/18/1946 2.43 06/10/1947 1.50 10/10/1949 2.31 06/15/1950 0.89 06/23/1951 1.03 05/22/1952 1.37 08/02/1953 1.69 06/13/1954 1.47 09/20/1955 2.14 08/02/1956 2.70 07/15/1957 2.90 07/30/1958 1.25 05/05/1959 0.93 08/06/1960 3.10 07/27/1961 4.00 07/12/1962 2.50 06/15/1963 1.92 06/14/1964 1.75 05/14/1965 2.21 08/31/1966 1.29 06/15/1967 1.48 06/06/1968 2.25 07/20/1969 1.84 06/15/1970 2.35 04/20/1971 1.91 08/01/1972 1.06 05/27/1973 2.43 08/10/1974 0.92 07/08/1975 2.35 07/03/1976 2.91 07/20/1977 1.57 06/19/1979 1.56 10/16/1980 1.33 08/04/1981 1.33 06/14/1982 3.04 06/15/1984 1.37 10/11/1985 0.93 06/09/1986 2.40 07/18/1987 1.78 06/30/1988 4.00 09/09/1989 1.09 06/16/1990 2.25 05/15/1991 1.43 01/07/1992 0.80 06/07/1993 1.83 07/07/1994 1.64 10/05/1995 2.00 05/27/1996 1.75 06/03/1997 2.26 03/29/1998 1.85 09/03/1999 1.32 03/08/2000 1.95 07/25/2001 1.50 05/01/2002 1.20 05/23/2004 1.35 04/21/2005 2.75 09/22/2006 1.28 10/07/2007 1.70 05/23/2008 2.15 07/11/2009 1.50 10/09/2010 1.70 Duration: 2 days 03/26/1928 2.30 04/24/1929 2.02 08/15/1930 2.88 05/08/1931 1.99 05/06/1932 2.20 08/24/1933 0.95 08/15/1934 1.37 09/26/1936 0.76 06/04/1937 1.19 04/26/1938 1.44 10/09/1939 1.23 04/28/1940 1.72 06/08/1941 2.95 04/30/1942 4.13 07/02/1943 1.13 05/16/1944 2.13 08/13/1945 1.76 06/18/1946 2.89 06/09/1947 2.09 08/17/1949 2.49 09/20/1950 1.14 09/01/1951 1.79 05/08/1952 1.70 04/29/1953 2.06 06/13/1954 1.58 08/11/1955 2.30 08/01/1956 3.30 07/15/1957 3.12 07/30/1958 1.35 05/04/1959 1.60 08/06/1960 3.34 07/27/1961 4.31 07/12/1962 2.84 06/15/1963 2.07 04/26/1964 1.95 05/14/1965 2.57 08/19/1966 2.30 06/15/1967 1.93 06/06/1968 2.77 07/19/1969 1.98 06/15/1970 2.53 04/19/1971 2.99 08/01/1972 1.58 05/26/1973 3.00 04/20/1974 1.28 04/27/1975 2.53 07/02/1976 4.49 10/01/1977 1.74 06/19/1979 2.50 10/15/1980 1.86 08/04/1981 1.65 06/14/1982 3.27 06/15/1984 1.48 07/29/1985 1.00 06/09/1986 3.84 07/18/1987 1.92 06/29/1988 4.84 09/20/1989 1.55 07/10/1990 2.42 05/15/1991 2.33 07/21/1992 1.16 06/17/1993 2.01 07/07/1994 1.77 10/05/1995 2.56 05/26/1996 2.94 06/02/1997 3.97 10/04/1998 2.43 09/02/1999 2.27 03/07/2000 2.88 07/25/2001 1.64 08/05/2002 1.29 05/23/2004 2.12 04/21/2005 3.28 09/22/2006 2.34 03/29/2007 1.84 06/05/2008 2.73 07/28/2009 2.15 08/02/2010 2.21 Duration: 3 days 03/26/1928 2.46 04/24/1929 2.04 08/15/1930 2.90 05/08/1931 2.03 05/04/1932 2.22 08/24/1933 1.40 08/15/1934 1.38 06/04/1937 1.24 05/17/1938 1.90 10/09/1939 1.24 04/28/1940 1.74 06/08/1941 3.50 04/30/1942 4.17 07/02/1943 1.34 06/10/1944 2.41 08/13/1945 1.77 06/17/1946 3.06 06/09/1947 2.11 08/17/1949 2.54 09/20/1950 1.15 09/01/1951 1.81 05/08/1952 1.72 04/29/1953 2.62 06/11/1954 1.85 05/26/1955 2.44 08/01/1956 3.33 07/15/1957 3.15 07/30/1958 1.36 09/16/1959 1.74 08/06/1960 3.41 07/27/1961 4.35 07/12/1962 3.80 06/05/1963 2.14 06/14/1964 3.43 05/13/1965 2.81 08/19/1966 2.32 06/14/1967 2.11 06/05/1968 3.12 07/19/1969 2.00 06/15/1970 2.56 04/19/1971 3.08 08/01/1972 1.61 05/25/1973 3.04 04/20/1974 1.29 04/27/1975 2.94 07/02/1976 4.53 09/30/1977 1.97 06/18/1979 2.52 10/15/1980 2.10 08/04/1981 1.71 05/13/1982 3.32 06/15/1984 1.49 10/11/1985 1.18 06/09/1986 3.88 07/18/1987 1.94 06/29/1988 4.90 09/19/1989 1.57 07/10/1990 2.45 05/15/1991 3.35 07/11/1992 1.17 06/16/1993 2.49 07/07/1994 1.78 10/04/1995 2.87 05/25/1996 3.14 06/02/1997 4.01 10/04/1998 2.56 09/02/1999 2.82 03/07/2000 2.91 06/03/2001 1.75 08/06/2002 1.30 05/23/2004 2.14 04/20/2005 3.68 09/21/2006 2.42 03/29/2007 1.86 06/04/2008 3.30 07/28/2009 2.17 08/02/2010 2.88 Duration: 4 days 03/25/1928 2.58 04/24/1929 2.06 08/15/1930 2.93 05/08/1931 2.05 05/03/1932 2.33 08/22/1933 1.50 08/15/1934 1.40 05/29/1937 1.46 05/16/1938 2.11 10/09/1939 1.25 04/28/1940 1.76 06/08/1941 3.97 04/30/1942 4.21 06/07/1943 1.60 06/10/1944 2.62 08/13/1945 1.79 06/17/1946 3.10 06/09/1947 2.46 10/07/1949 2.70 08/09/1950 1.54 09/01/1951 2.63 06/25/1952 2.11 04/29/1953 3.25 06/11/1954 1.95 05/23/1955 2.56 07/30/1956 4.01 07/12/1957 3.20 07/30/1958 1.37 05/04/1959 1.99 08/06/1960 3.44 07/27/1961 4.39 07/11/1962 3.88 06/05/1963 2.16 06/14/1964 3.46 05/13/1965 2.84 08/19/1966 2.35 06/13/1967 2.41 06/06/1968 3.62 07/20/1969 2.35 04/12/1970 3.00 04/19/1971 3.11 04/28/1972 1.72 05/26/1973 3.21 04/20/1974 1.31 04/27/1975 3.08 07/02/1976 4.58 09/29/1977 2.00 06/19/1979 2.74 10/15/1980 2.15 08/04/1981 1.73 05/13/1982 3.73 06/15/1984 1.50 09/08/1985 1.31 06/09/1986 3.92 07/18/1987 1.95 06/29/1988 4.95 09/19/1989 1.59 07/10/1990 2.47 05/15/1991 3.38 08/23/1992 1.30 06/16/1993 2.55 07/07/1994 1.80 10/04/1995 2.90 05/24/1996 3.31 06/02/1997 4.05 10/02/1998 2.93 09/02/1999 2.85 03/07/2000 2.94 06/03/2001 1.77 08/06/2002 1.51 05/21/2004 2.19 04/20/2005 3.72 09/21/2006 2.44 03/29/2007 1.88 06/04/2008 3.33 07/11/2009 2.47 08/02/2010 2.91 Duration: 7 days 03/25/1928 2.61 04/24/1929 2.08 08/15/1930 2.96 05/04/1931 2.07 04/18/1932 2.56 08/20/1933 1.99 08/16/1934 1.95 05/30/1937 2.19 05/16/1938 2.18 10/04/1939 1.26 04/22/1940 1.83 06/05/1941 4.75 04/30/1942 6.56 06/07/1943 2.16 06/07/1944 3.44 05/31/1945 1.81 06/14/1946 3.15 06/09/1947 2.51 08/13/1949 2.99 09/17/1950 1.79 09/01/1951 3.11 06/22/1952 2.44 04/29/1953 3.28 06/07/1954 2.72 05/23/1955 2.97 07/30/1956 4.19 07/15/1957 4.13 07/24/1958 2.15 09/16/1959 2.14 08/06/1960 3.48 07/27/1961 4.44 06/19/1962 4.03 06/05/1963 2.68 06/14/1964 3.66 05/09/1965 3.32 08/19/1966 2.37 06/11/1967 3.79 06/05/1968 4.05 07/17/1969 2.82 04/12/1970 3.82 04/19/1971 3.63 04/26/1972 2.85 05/24/1973 3.38 04/20/1974 1.32 04/27/1975 3.11 07/02/1976 4.62 05/21/1977 2.20 06/17/1979 2.94 10/15/1980 2.17 08/04/1981 2.36 05/11/1982 4.39 06/09/1984 2.70 09/08/1985 1.41 06/04/1986 4.15 07/18/1987 2.82 06/29/1988 5.00 09/19/1989 1.60 05/19/1990 3.26 05/15/1991 3.42 06/14/1992 1.73 06/16/1993 2.74 07/01/1994 2.15 05/22/1995 3.10 05/23/1996 4.50 05/28/1997 4.09 10/02/1998 3.06 08/29/1999 3.66 03/07/2000 2.97 05/29/2001 3.03 04/27/2002 1.86 05/21/2004 2.21 04/20/2005 3.75 09/18/2006 2.57 10/14/2007 2.44 06/01/2008 3.99 07/11/2009 2.59 07/29/2010 3.02 Duration: 10 days 03/25/1928 2.64 10/03/1929 2.30 08/08/1930 3.06 05/01/1931 2.09 05/06/1932 3.08 08/20/1933 2.01 08/15/1934 2.24 05/29/1937 2.70 05/11/1938 2.86 05/23/1939 1.89 04/21/1940 1.97 06/02/1941 6.00 04/27/1942 7.42 06/02/1943 2.62 05/16/1944 5.05 08/13/1945 2.33 06/12/1946 3.35 06/09/1947 3.09 10/01/1949 3.24 09/17/1950 1.81 09/01/1951 3.33 05/15/1952 3.15 04/24/1953 3.55 06/07/1954 2.82 05/23/1955 3.00 07/30/1956 4.66 07/12/1957 4.43 07/23/1958 2.24 09/16/1959 2.32 08/06/1960 3.51 07/19/1961 4.48 06/16/1962 5.49 06/07/1963 3.56 06/14/1964 5.10 05/08/1965 3.53 08/12/1966 2.91 06/07/1967 4.64 08/09/1968 4.27 07/14/1969 3.29 04/11/1970 3.89 04/19/1971 4.47 04/26/1972 3.13 05/24/1973 3.41 04/11/1974 1.75 04/23/1975 3.14 06/24/1976 4.67 05/17/1977 2.69 06/16/1979 3.10 10/15/1980 2.19 07/26/1981 2.52 05/12/1982 5.23 06/06/1984 2.82 08/19/1985 1.49 06/04/1986 4.19 07/18/1987 2.85 06/29/1988 5.15 09/19/1989 1.62 05/19/1990 3.58 05/15/1991 3.60 07/05/1992 1.94 06/16/1993 2.92 07/07/1994 2.60 05/26/1995 3.22 05/19/1996 4.66 05/25/1997 6.54 07/21/1998 3.12 08/29/1999 3.70 03/07/2000 3.00 05/29/2001 3.24 04/27/2002 1.88 05/16/2004 2.54 04/20/2005 3.79 09/16/2006 2.75 10/07/2007 3.23 05/29/2008 4.03 07/11/2009 3.23 08/02/2010 3.10 Duration: 20 days 03/25/1928 3.15 04/24/1929 2.81 08/15/1930 3.26 05/08/1931 2.66 04/18/1932 5.37 04/20/1933 2.93 08/03/1934 2.85 05/29/1937 3.19 05/16/1938 4.27 09/25/1939 2.09 04/11/1940 2.59 06/02/1941 6.03 04/24/1942 12.42 05/29/1943 3.83 05/24/1944 6.65 08/04/1945 2.78 08/31/1946 4.97 06/09/1947 4.25 10/01/1949 3.91 09/10/1950 2.75 06/07/1951 4.52 05/08/1952 4.85 04/14/1953 4.07 05/26/1954 4.30 05/23/1955 4.68 07/30/1956 5.41 07/15/1957 4.61 07/13/1958 3.26 04/18/1959 3.22 08/06/1960 5.84 07/08/1961 5.11 06/06/1962 7.01 05/31/1963 5.11 06/08/1964 5.40 05/08/1965 5.00 08/12/1966 4.20 05/29/1967 7.34 06/06/1968 5.41 07/05/1969 4.12 04/11/1970 4.55 04/16/1971 5.11 07/16/1972 4.41 05/24/1973 3.41 04/07/1974 2.59 06/19/1975 4.15 06/23/1976 6.45 03/11/1977 3.72 06/16/1979 3.91 10/15/1980 2.19 07/21/1981 4.06 05/11/1982 6.94 05/27/1984 3.82 08/23/1985 2.16 05/22/1986 4.33 07/18/1987 4.23 06/12/1988 6.75 09/04/1989 2.73 05/14/1990 5.94 05/15/1991 6.14 07/05/1992 3.15 06/01/1993 5.00 05/20/1994 3.22 05/22/1995 5.60 05/08/1996 6.07 05/23/1997 7.71 05/30/1998 4.57 08/29/1999 3.81 04/19/2000 3.76 05/29/2001 4.19 04/27/2002 2.68 09/05/2004 3.26 04/10/2005 4.82 09/06/2006 3.13 10/05/2007 4.58 05/22/2008 7.35 07/11/2009 5.38 07/19/2010 4.12 Duration: 30 days 06/21/1928 4.54 10/03/1929 4.24 04/14/1930 4.54 05/08/1931 3.08 04/16/1932 6.34 04/29/1933 4.30 08/12/1934 3.39 05/29/1937 3.88 05/11/1938 5.03 05/21/1939 2.75 04/06/1940 2.63 06/02/1941 6.78 04/18/1942 14.05 05/29/1943 4.80 05/17/1944 9.84 05/21/1945 3.12 08/24/1946 6.84 06/09/1947 5.43 10/01/1949 3.91 04/28/1950 3.42 06/01/1951 5.19 05/08/1952 5.25 04/02/1953 5.08 05/17/1954 5.95 05/23/1955 5.66 07/30/1956 5.41 05/13/1957 5.75 07/03/1958 4.18 05/04/1959 3.48 07/29/1960 5.91 07/27/1961 6.54 06/15/1962 9.99 05/31/1963 5.51 05/29/1964 6.00 05/14/1965 5.75 08/19/1966 5.64 05/26/1967 9.62 06/05/1968 6.23 06/24/1969 4.85 04/11/1970 4.55 04/19/1971 5.50 04/14/1972 5.25 04/30/1973 4.47 04/11/1974 2.93 06/11/1975 5.50 06/23/1976 6.77 05/19/1977 4.53 06/19/1979 4.65 06/14/1980 2.63 07/18/1981 5.39 05/11/1982 8.07 05/21/1984 4.51 08/14/1985 3.20 04/13/1986 5.64 07/09/1987 5.58 06/12/1988 7.15 08/26/1989 3.32 05/19/1990 7.89 05/03/1991 7.11 06/14/1992 4.56 06/07/1993 6.58 05/14/1994 3.72 05/26/1995 7.30 04/30/1996 7.07 05/18/1997 8.39 05/21/1998 5.94 06/05/1999 4.36 04/19/2000 4.93 05/24/2001 4.55 04/21/2002 3.11 09/05/2004 4.09 04/20/2005 7.78 08/27/2006 4.70 09/24/2007 5.18 05/22/2008 7.79 07/02/2009 6.68 05/30/2010 4.96 Duration: 45 days 06/08/1928 5.77 04/24/1929 4.86 04/14/1930 5.19 05/01/1931 4.18 04/18/1932 6.79 04/20/1933 5.17 07/05/1934 4.26 06/04/1937 4.72 04/23/1938 6.60 05/23/1939 3.82 04/22/1940 3.06 06/02/1941 8.37 04/23/1942 17.41 05/23/1943 6.27 04/30/1944 10.58 05/13/1945 4.00 08/24/1946 8.46 05/27/1947 6.13 05/17/1949 4.77 08/09/1950 4.85 05/14/1951 6.20 05/15/1952 6.81 03/21/1953 6.29 05/17/1954 7.11 05/13/1955 5.83 06/30/1956 6.75 07/15/1957 6.98 06/11/1958 5.07 04/18/1959 4.71 07/07/1960 6.66 07/08/1961 7.65 05/13/1962 13.47 06/01/1963 6.54 05/09/1964 6.56 05/13/1965 8.36 08/12/1966 6.38 05/12/1967 10.53 06/05/1968 7.30 06/10/1969 6.08 04/11/1970 6.16 04/16/1971 8.87 04/22/1972 6.84 04/15/1973 5.29 04/07/1974 3.20 06/17/1975 6.25 06/23/1976 8.32 05/07/1977 5.89 06/16/1979 5.71 05/30/1980 3.33 06/26/1981 6.60 05/11/1982 12.02 05/27/1984 5.78 07/29/1985 4.63 06/04/1986 7.32 07/03/1987 6.05 05/18/1988 9.60 08/18/1989 3.55 05/08/1990 9.84 04/26/1991 9.21 06/15/1992 5.92 06/02/1993 8.73 06/01/1994 5.42 04/30/1995 9.94 04/13/1996 7.63 04/20/1997 10.01 05/11/1998 8.02 04/02/1999 6.45 03/07/2000 5.47 04/21/2001 5.76 04/02/2002 3.49 05/23/2004 4.86 04/21/2005 9.41 08/20/2006 5.71 09/07/2007 5.96 04/24/2008 9.63 07/02/2009 8.78 05/10/2010 7.21 Duration: 60 days 05/28/1928 6.48 09/06/1929 5.82 04/11/1930 5.88 05/08/1931 4.92 04/23/1932 8.47 04/01/1933 5.60 07/05/1934 5.43 05/20/1937 6.51 04/26/1938 6.79 05/21/1939 4.49 03/06/1940 4.40 06/02/1941 9.04 04/18/1942 18.16 05/15/1943 6.59 05/16/1944 13.23 04/24/1945 4.60 08/24/1946 8.46 05/12/1947 7.09 08/13/1949 6.49 08/05/1950 5.82 04/26/1951 7.08 05/08/1952 8.51 04/29/1953 8.21 04/28/1954 7.86 05/13/1955 6.32 06/16/1956 7.03 05/24/1957 8.06 06/01/1958 6.78 05/04/1959 5.37 06/27/1960 7.44 06/30/1961 8.68 05/14/1962 16.37 05/31/1963 8.16 04/26/1964 9.79 05/08/1965 10.43 07/19/1966 7.74 04/30/1967 11.20 05/31/1968 8.06 05/31/1969 6.23 04/17/1970 7.21 04/16/1971 8.91 04/14/1972 8.20 04/19/1973 6.09 04/11/1974 4.04 06/07/1975 8.07 06/23/1976 9.59 03/28/1977 6.68 06/16/1979 7.35 07/05/1980 3.94 06/12/1981 8.32 05/12/1982 13.32 05/21/1984 6.69 07/27/1985 5.17 04/13/1986 9.97 06/09/1987 6.35 05/02/1988 11.54 09/09/1989 3.69 05/14/1990 11.38 04/11/1991 11.67 06/01/1992 6.62 05/30/1993 10.76 05/20/1994 6.82 04/11/1995 12.10 04/30/1996 8.79 04/20/1997 11.63 09/14/1998 8.77 05/06/1999 7.18 03/07/2000 6.59 04/07/2001 7.70 03/13/2002 4.38 08/04/2004 6.02 04/20/2005 12.19 08/01/2006 6.31 08/23/2007 7.76 05/22/2008 11.05 06/23/2009 9.86 04/22/2010 8.70