Precipitation annual maximum series (inches) Station ID: 39-0217 Station name: ANGOSTURA DAM State: SD Latitude (decimal degrees): 43.3500 Longitude (decimal degrees): -103.4333 Elevation (feet): 3143 Duration: 1 hour 08/12/1950 0.60 09/04/1951 0.83 05/08/1952 0.85 09/01/1953 0.40 05/22/1954 0.63 08/12/1955 1.35 07/11/1956 0.73 06/01/1958 0.33 06/22/1959 1.02 06/11/1960 0.89 07/29/1961 1.87 06/17/1962 0.74 07/27/1963 0.65 05/05/1964 0.75 07/11/1965 0.74 07/21/1966 0.58 05/29/1967 0.40 06/06/1968 1.22 07/16/1969 1.07 07/27/1970 0.89 Duration: 2 hours 08/12/1950 0.65 09/04/1951 1.03 06/03/1952 1.11 07/16/1953 0.53 05/22/1954 0.85 08/12/1955 1.87 05/26/1956 0.96 06/01/1958 0.41 06/22/1959 1.32 06/11/1960 0.98 07/29/1961 1.98 06/17/1962 1.19 06/14/1963 0.87 05/05/1964 0.79 06/28/1965 0.83 07/21/1966 0.90 05/29/1967 0.67 06/06/1968 1.57 07/16/1969 1.12 07/27/1970 0.96 Duration: 3 hours 08/12/1950 0.66 09/04/1951 1.15 06/03/1952 1.40 07/16/1953 0.66 05/22/1954 1.05 08/12/1955 2.02 05/26/1956 1.25 06/22/1959 1.35 06/11/1960 1.00 07/29/1961 2.02 06/17/1962 1.21 06/14/1963 1.04 05/05/1964 0.80 06/28/1965 0.85 07/21/1966 0.95 05/29/1967 0.85 06/06/1968 1.60 07/16/1969 1.14 07/27/1970 1.27 Duration: 6 hours 08/12/1950 0.67 09/04/1951 1.16 06/03/1952 1.70 07/16/1953 0.75 05/22/1954 1.65 08/12/1955 2.04 05/26/1956 1.60 04/22/1958 0.65 06/22/1959 1.36 06/11/1960 1.01 07/29/1961 2.04 10/06/1962 1.46 09/21/1963 1.33 06/15/1964 0.93 06/28/1965 0.85 07/21/1966 0.96 05/29/1967 1.29 06/06/1968 1.62 07/16/1969 1.31 07/27/1970 1.31 Duration: 12 hours 04/28/1950 0.80 07/01/1951 1.17 06/03/1952 1.72 04/29/1953 0.87 05/22/1954 2.33 08/12/1955 2.06 05/27/1956 1.78 06/19/1958 0.77 09/24/1959 2.00 06/11/1960 1.06 07/29/1961 2.06 06/17/1962 1.71 09/21/1963 2.06 06/15/1964 0.94 05/08/1965 1.13 07/21/1966 0.97 05/29/1967 1.42 06/24/1968 1.84 07/17/1969 1.40 06/11/1970 1.39 Duration: 1 day 04/28/1950 0.92 09/04/1951 1.21 06/03/1952 1.71 04/29/1953 1.29 05/22/1954 2.08 08/12/1955 2.48 05/26/1956 1.79 04/22/1958 0.82 09/24/1959 1.94 06/11/1960 1.30 07/29/1961 1.84 10/06/1962 2.41 09/21/1963 2.29 06/15/1964 1.18 05/08/1965 1.18 07/21/1966 1.19 05/29/1967 1.29 06/06/1968 1.87 07/16/1969 1.89 06/12/1970 1.83 Duration: 2 days 04/28/1950 1.23 09/03/1951 1.30 05/21/1952 2.36 04/29/1953 1.75 05/22/1954 2.24 09/19/1955 2.67 05/26/1956 3.41 06/19/1958 0.88 09/23/1959 2.23 06/11/1960 1.44 07/29/1961 1.98 10/05/1962 2.62 06/14/1963 2.64 05/01/1964 1.52 05/08/1965 1.39 07/12/1966 1.28 05/29/1967 1.63 06/24/1968 2.21 07/16/1969 3.01 06/11/1970 2.37 Duration: 3 days 04/27/1950 1.28 06/21/1951 1.55 05/21/1952 2.45 04/28/1953 1.82 05/21/1954 2.34 09/19/1955 2.78 05/26/1956 3.60 06/19/1958 0.92 09/23/1959 2.32 06/11/1960 1.50 07/29/1961 2.03 10/05/1962 2.73 06/14/1963 2.75 06/15/1964 1.62 05/08/1965 1.45 07/12/1966 1.33 05/29/1967 2.44 06/04/1968 2.45 07/16/1969 3.56 06/11/1970 2.46 Duration: 4 days 04/26/1950 1.33 06/21/1951 1.65 05/19/1952 2.48 04/29/1953 2.11 05/20/1954 2.44 09/19/1955 2.81 05/25/1956 3.73 04/22/1958 1.24 09/21/1959 2.36 06/09/1960 1.54 07/27/1961 2.11 05/25/1962 3.09 06/14/1963 2.78 06/14/1964 1.86 05/06/1965 1.47 07/12/1966 1.34 05/29/1967 2.51 06/05/1968 2.73 07/14/1969 4.09 06/11/1970 2.48 Duration: 7 days 04/28/1950 1.56 06/17/1951 2.47 05/18/1952 3.04 04/28/1953 2.39 05/17/1954 2.48 09/19/1955 3.95 05/25/1956 3.85 04/19/1958 1.64 09/18/1959 2.89 06/05/1960 1.77 07/27/1961 2.13 05/21/1962 3.89 06/14/1963 3.05 06/11/1964 2.32 05/08/1965 2.60 07/07/1966 1.93 05/29/1967 2.83 06/04/1968 3.39 07/14/1969 4.88 06/11/1970 2.51 Duration: 10 days 04/28/1950 2.14 06/14/1951 2.88 05/15/1952 3.29 04/28/1953 2.41 05/22/1954 2.76 09/19/1955 3.99 05/21/1956 3.91 04/18/1958 1.91 09/15/1959 4.01 06/05/1960 2.23 05/15/1961 2.22 05/18/1962 4.37 06/06/1963 3.86 06/13/1964 3.15 05/05/1965 2.67 07/12/1966 2.28 05/29/1967 3.30 05/30/1968 3.50 07/14/1969 5.08 06/11/1970 2.53 Duration: 20 days 04/26/1950 2.58 06/13/1951 4.23 05/15/1952 5.14 04/14/1953 2.70 05/22/1954 4.06 09/19/1955 4.04 05/12/1956 4.66 07/02/1958 2.82 06/17/1959 4.57 05/24/1960 3.15 07/10/1961 2.51 05/14/1962 6.57 06/02/1963 5.49 06/03/1964 4.27 05/05/1965 4.03 07/07/1966 3.04 05/29/1967 5.90 06/06/1968 5.02 07/05/1969 5.75 05/28/1970 3.47 Duration: 30 days 04/09/1950 2.97 06/13/1951 5.32 05/08/1952 6.35 04/28/1953 3.26 05/16/1954 4.59 07/23/1955 4.66 05/25/1956 5.95 07/02/1958 3.69 06/17/1959 6.12 05/17/1960 3.21 04/26/1961 3.88 05/21/1962 9.03 05/25/1963 6.33 05/27/1964 4.84 05/04/1965 4.61 07/01/1966 3.66 05/25/1967 7.90 05/31/1968 6.27 06/21/1969 6.49 05/14/1970 3.76 Duration: 45 days 03/26/1950 3.73 06/17/1951 6.61 05/15/1952 6.63 04/29/1953 4.60 05/18/1954 5.22 08/12/1955 6.25 05/06/1956 6.88 06/06/1958 4.79 05/19/1959 6.38 05/24/1960 3.96 05/01/1961 5.19 05/14/1962 11.78 06/02/1963 7.86 05/02/1964 5.42 05/05/1965 6.39 07/07/1966 5.66 05/10/1967 8.47 05/16/1968 7.69 06/06/1969 7.50 05/29/1970 4.05 Duration: 60 days 03/10/1950 4.55 06/13/1951 7.82 05/15/1952 8.14 04/28/1953 5.34 05/21/1954 5.74 07/23/1955 7.60 04/22/1956 8.25 06/01/1958 6.07 05/19/1959 7.93 04/16/1960 4.59 05/03/1961 5.80 05/14/1962 13.97 05/25/1963 9.17 04/19/1964 7.74 05/04/1965 8.70 06/22/1966 5.95 04/25/1967 9.29 05/21/1968 8.56 05/29/1969 7.90 04/14/1970 5.93