ACCUM PRECIP STATION YEAR JULY 15-AUG 25 Station : WHITE LAKE, SD9232 1961 2.95 1962 4.99 1963 6.14 1964 1.13 1965 2.37 1966 6.27 1967 2.21 1968 3.71 1969 2.78 1970 2.38 1971 1.09 1972 5.09 1973 0.88 1974 0.25 1975 1.67 1976 1.50 1977 4.45 1978 3.28 1979 3.82 1980 3.22 1981 6.06 1982 5.93 1983 3.05 1984 4.19 1985 6.01 1986 2.09 1987 6.34 1988 1.43 1989 2.51 1990 3.40 1991 2.25 1992 9.20 1993 4.91 1994 1.31 1995 2.26 1996 3.75 61-90 AVERAGE: 3.37 Station : HURON WSO AP, SD4127 1961 1.99 1962 2.10 1963 3.37 1964 1.37 1965 1.64 1966 5.83 1967 1.24 1968 4.82 1969 2.16 1970 0.98 1971 1.31 1972 4.14 1973 2.45 1974 1.77 1975 2.11 1976 1.28 1977 2.77 1978 1.42 1979 2.63 1980 4.21 1981 6.06 1982 5.23 1983 2.35 1984 4.24 1985 6.36 1986 8.54 1987 3.98 1988 2.87 1989 1.67 1990 3.59 1991 2.79 1992 5.03 1993 7.28 1994 1.93 1995 4.36 1996 2.94 61-90 AVERAGE: 3.15 Station : HARRINGTON, SD3574 1961 3.08 1962 0.71 1963 2.96 1964 2.28 1965 2.27 1966 6.94 1967 1.01 1968 4.87 1969 2.81 1970 3.60 1971 0.47 1972 5.68 1973 1.44 1974 3.68 1975 1.76 1976 2.02 1977 6.17 1978 7.29 1979 3.16 1980 2.99 1981 7.00 1982 3.58 1983 5.00 1984 1.88 1985 5.77 1986 2.47 1987 2.79 1988 1.20 1989 1.60 1990 3.83 1991 3.23 1992 3.91 1993 5.37 1994 1.84 1995 4.43 1996 1.44 61-90 AVERAGE: 3.34 Station : TYNDALL, SD8472 1961 4.98 1962 5.43 1963 4.77 1964 2.57 1965 3.99 1966 4.79 1967 3.11 1968 3.73 1969 4.36 1970 5.65 1971 1.19 1972 8.22 1973 1.05 1974 2.60 1975 3.09 1976 4.61 1977 3.83 1978 7.29 1979 3.72 1980 4.31 1981 6.05 1982 3.00 1983 5.66 1984 3.78 1985 6.29 1986 2.29 1987 4.23 1988 3.37 1989 1.93 1990 3.82 1991 4.78 1992 5.96 1993 3.61 1994 3.31 1995 4.07 1996 8.57 61-90 AVERAGE: 4.12 Station : BROOKINGS 2 NE, SD1076 1961 7.02 1962 2.18 1963 8.24 1964 3.86 1965 1.09 1966 3.44 1967 0.80 1968 5.17 1969 3.86 1970 2.94 1971 1.31 1972 5.45 1973 2.14 1974 3.74 1975 4.67 1976 3.16 1977 3.15 1978 3.24 1979 5.45 1980 5.47 1981 6.80 1982 5.46 1983 3.62 1984 2.00 1985 5.31 1986 5.02 1987 2.92 1988 3.90 1989 4.38 1990 6.09 1991 3.39 1992 6.34 1993 4.57 1994 3.66 1995 7.91 1996 3.18 61-90 AVERAGE: 4.06 Station : ABERDEEN WSO AP, SD0020 1961 1.77 1962 1.72 1963 4.11 1964 5.52 1965 1.37 1966 5.75 1967 1.52 1968 2.29 1969 2.11 1970 1.68 1971 0.77 1972 6.08 1973 1.13 1974 1.31 1975 1.02 1976 0.79 1977 2.19 1978 4.03 1979 3.02 1980 6.05 1981 4.31 1982 1.39 1983 7.92 1984 1.91 1985 3.65 1986 5.78 1987 2.95 1988 4.29 1989 4.74 1990 5.78 1991 3.35 1992 2.60 1993 5.67 1994 5.27 1995 4.38 1996 1.65 61-90 AVERAGE: 3.23 Station : COLUMBIA 8 N, SD1873 1961 1.99 1962 3.71 1963 6.44 1964 2.57 1965 2.94 1966 5.03 1967 2.83 1968 2.29 1969 2.92 1970 3.27 1971 0.35 1972 4.06 1973 1.25 1974 1.76 1975 3.25 1976 0.95 1977 3.16 1978 3.20 1979 2.83 1980 4.78 1981 5.32 1982 3.33 1983 7.03 1984 2.76 1985 4.95 1986 6.76 1987 3.98 1988 3.61 1989 3.23 1990 4.83 1991 2.38 1992 3.42 1993 5.49 1994 3.08 1995 3.57 1996 1.72 61-90 AVERAGE: 3.51 Station : ACADEMY 2 NE, SD0043 1961 4.58 1962 0.13 1963 5.47 1964 3.08 1965 1.16 1966 6.60 1967 2.29 1968 1.29 1969 3.13 1970 1.33 1971 0.88 1972 4.61 1973 1.51 1974 1.17 1975 1.30 1976 1.99 1977 3.78 1978 1.92 1979 6.59 1980 3.98 1981 4.68 1982 4.32 1983 2.69 1984 5.98 1985 8.00 1986 2.52 1987 3.94 1988 2.28 1989 3.17 1990 5.04 1991 2.90 1992 4.36 1993 4.18 1994 3.08 1995 4.92 1996 1.19 61-90 AVERAGE: 3.31 Station : GANN VALLEY 2 NW, SD3217 1961 2.46 1962 4.08 1963 5.50 1964 2.05 1965 1.71 1966 5.57 1967 2.03 1968 7.40 1969 4.20 1970 2.18 1971 0.90 1972 3.77 1973 1.39 1974 1.12 1975 2.12 1976 0.77 1977 3.51 1978 2.31 1979 4.60 1980 4.88 1981 3.51 1982 6.52 1983 3.77 1984 2.99 1985 4.87 1986 3.06 1987 1.98 1988 1.60 1989 3.04 1990 5.53 1991 2.93 1992 3.93 1993 3.35 1994 3.37 1995 3.70 1996 2.28 61-90 AVERAGE: 3.31 Station : BELLE FOURCHE, SD0559 1961 0.59 1962 1.57 1963 2.10 1964 1.71 1965 1.67 1966 3.34 1967 1.43 1968 2.99 1969 1.13 1970 2.17 1971 0.84 1972 3.26 1973 4.60 1974 2.48 1975 0.61 1976 0.93 1977 1.92 1978 2.58 1979 3.38 1980 1.62 1981 4.66 1982 2.27 1983 6.17 1984 2.99 1985 0.76 1986 0.81 1987 0.55 1988 0.60 1989 1.09 1990 2.54 1991 1.17 1992 2.36 1993 3.63 1994 0.61 1995 2.63 1996 1.60 61-90 AVERAGE: 2.11 Station : NEWELL, SD6054 1961 1.07 1962 1.89 1963 1.84 1964 1.48 1965 2.93 1966 3.92 1967 1.22 1968 2.61 1969 0.90 1970 2.28 1971 0.49 1972 3.72 1973 4.47 1974 1.90 1975 0.49 1976 1.52 1977 1.87 1978 2.71 1979 2.72 1980 2.62 1981 4.74 1982 2.85 1983 3.37 1984 2.59 1985 0.99 1986 1.44 1987 4.54 1988 0.92 1989 0.43 1990 2.16 1991 0.18 1992 2.35 1993 3.73 1994 1.05 1995 1.05 1996 1.25 61-90 AVERAGE: 2.22 Station : ZEONA 10 SSW, SD9537 1961 1.91 1962 0.78 1963 2.79 1964 1.67 1965 1.37 1966 6.49 1967 0.51 1968 3.34 1969 2.49 1970 1.17 1971 0.28 1972 1.17 1973 0.01 1975 0.37 1976 0.82 1977 1.51 1978 4.14 1979 3.67 1980 1.88 1981 6.54 1982 3.21 1983 4.80 1984 3.04 1985 1.39 1986 1.41 1987 3.83 1988 0.57 1989 1.37 1990 0.93 1991 4.25 1992 2.67 1993 4.95 1994 0.27 1995 2.67 1996 3.66 61-90 AVERAGE: 2.19 Station : POLLOCK, SD6712 1961 2.18 1962 2.09 1963 4.51 1964 1.72 1965 2.58 1966 4.99 1967 2.35 1968 1.94 1969 2.94 1970 2.05 1971 1.19 1972 2.82 1973 1.34 1974 1.58 1975 2.05 1976 0.02 1977 2.35 1978 3.90 1979 2.69 1980 2.79 1981 4.43 1982 0.95 1983 3.19 1984 2.29 1985 2.28 1986 4.24 1987 3.20 1988 1.44 1989 2.44 1990 3.85 1991 1.48 1992 2.85 1993 6.96 1994 2.95 1995 1.91 1996 1.96 61-90 AVERAGE: 2.55 Station : PICKSTOWN, SD6574 1961 6.09 1962 4.39 1963 3.90 1964 1.44 1965 1.93 1966 4.80 1967 2.07 1968 2.37 1969 2.69 1970 1.38 1971 1.54 1972 4.92 1973 1.95 1974 2.74 1975 4.54 1976 2.44 1977 5.91 1978 4.55 1979 2.56 1980 4.07 1981 3.03 1982 2.42 1983 2.97 1984 4.09 1985 7.63 1986 2.23 1987 3.44 1988 3.48 1989 1.05 1990 3.53 1991 2.57 1992 7.23 1993 4.97 1994 1.95 1995 5.01 1996 5.60 61-90 AVERAGE: 3.34 Station : WAGNER, SD8767 1961 8.51 1962 3.36 1963 7.81 1964 2.51 1965 3.42 1966 5.89 1967 2.33 1968 1.94 1969 3.87 1970 1.95 1971 1.92 1972 4.32 1973 2.82 1974 2.45 1975 8.06 1976 3.38 1977 5.95 1978 4.99 1979 3.47 1980 4.36 1981 4.83 1982 2.16 1983 2.87 1984 3.55 1985 5.96 1986 1.15 1987 4.20 1988 3.02 1989 0.98 1990 2.27 1991 4.59 1992 6.37 1993 6.83 1994 5.69 1995 5.63 1996 4.93 61-90 AVERAGE: 3.81 Station : CLARK, SD1739 1961 5.92 1962 1.66 1963 3.74 1964 3.70 1965 1.46 1966 8.92 1967 0.80 1968 3.68 1969 5.90 1970 1.62 1971 2.14 1972 3.79 1973 2.64 1974 1.81 1975 4.29 1976 1.06 1977 3.63 1978 1.32 1979 6.25 1980 6.09 1981 4.36 1982 5.47 1983 3.88 1984 4.51 1985 9.76 1986 4.75 1987 5.60 1988 3.27 1989 3.31 1990 2.71 1991 3.29 1992 5.67 1993 5.61 1994 5.89 1995 3.54 1996 1.63 61-90 AVERAGE: 3.93 Station : CENTERVILLE 6 SE, SD1579 1961 5.91 1962 4.70 1963 3.77 1964 2.78 1965 4.22 1966 8.76 1967 3.44 1968 5.96 1969 4.93 1970 1.33 1971 0.95 1972 5.58 1973 1.11 1974 2.66 1975 5.76 1976 2.75 1977 5.29 1978 8.56 1979 4.32 1980 3.87 1981 6.84 1982 2.91 1983 3.11 1984 2.54 1985 4.67 1986 3.06 1987 2.62 1988 5.06 1989 4.43 1990 4.10 1991 4.84 1992 7.59 1993 6.18 1994 2.48 1995 4.88 1996 6.60 61-90 AVERAGE: 4.20 Station : VERMILLION 2 SE, SD8622 1961 4.39 1962 3.67 1963 3.38 1964 4.66 1965 8.18 1966 5.97 1967 3.71 1968 4.63 1969 5.67 1970 1.59 1971 0.02 1972 4.78 1973 1.79 1974 3.88 1975 5.25 1976 3.88 1977 3.96 1978 7.71 1979 5.75 1980 5.44 1981 5.81 1982 3.94 1983 2.76 1984 2.35 1985 1.14 1986 4.35 1987 6.58 1988 5.77 1989 7.14 1990 2.88 1991 2.73 1992 8.92 1993 5.56 1994 2.71 1995 4.23 1996 7.32 61-90 AVERAGE: 4.37 Station : WATERTOWN FAA AP, SD8932 1961 2.68 1962 1.95 1963 7.18 1964 4.33 1965 1.56 1966 5.95 1967 1.31 1968 3.47 1969 5.05 1970 1.07 1971 2.32 1972 5.50 1973 2.57 1974 4.05 1975 3.16 1976 1.08 1977 3.71 1978 1.16 1979 6.60 1980 3.81 1981 3.72 1982 2.62 1983 2.85 1984 4.91 1985 0.05 1986 5.62 1987 5.69 1988 4.41 1989 5.30 1990 3.67 1991 5.06 1992 3.85 1993 5.19 1994 4.72 1995 3.40 1996 0.03 61-90 AVERAGE: 3.58 Station : MC INTOSH 6 SE, SD5381 1961 1.32 1962 1.83 1963 3.37 1964 2.19 1965 1.98 1966 5.31 1967 0.78 1968 3.85 1969 2.22 1970 2.61 1971 1.49 1972 2.01 1973 2.97 1974 1.73 1975 2.97 1976 1.37 1977 0.91 1978 0.01 1979 3.65 1980 3.76 1981 4.56 1982 1.42 1983 7.88 1984 2.20 1985 3.12 1986 2.24 1987 2.33 1988 0.61 1989 3.74 1990 4.78 1991 1.70 1992 4.64 1993 5.44 1994 1.37 1995 2.39 1996 3.81 61-90 AVERAGE: 2.64 Station : MC LAUGHLIN, SD5406 1961 1.92 1962 2.23 1963 5.52 1964 2.43 1965 1.75 1966 4.44 1967 1.11 1968 1.65 1969 1.88 1970 2.60 1971 1.02 1972 1.85 1973 1.72 1974 1.91 1975 1.33 1976 0.12 1977 1.28 1978 6.44 1979 3.65 1980 3.70 1981 4.39 1982 1.54 1983 4.56 1984 0.59 1985 5.16 1986 1.59 1987 2.54 1988 1.45 1989 1.77 1990 5.15 1991 1.61 1992 3.04 1993 4.26 1994 2.54 1995 2.97 1996 1.79 61-90 AVERAGE: 2.58 Station : CUSTER, SD2087 1961 3.59 1962 2.00 1963 3.76 1964 1.47 1965 3.68 1966 3.06 1967 2.79 1968 7.54 1969 6.80 1970 2.37 1971 1.10 1972 3.50 1973 6.81 1974 3.33 1975 0.94 1976 4.20 1977 7.30 1978 3.97 1979 2.85 1980 4.28 1981 4.59 1982 5.01 1983 6.01 1984 3.68 1985 2.81 1986 2.10 1987 1.29 1988 3.20 1989 2.62 1990 5.01 1991 4.49 1992 2.11 1993 4.17 1994 1.39 1995 2.01 1996 2.92 61-90 AVERAGE: 3.72 Station : MITCHELL 2 NE, SD5671 1961 3.32 1962 4.43 1963 5.31 1964 1.75 1965 2.71 1966 4.42 1967 2.69 1968 2.37 1969 2.51 1970 1.95 1971 1.63 1972 3.36 1973 0.03 1974 0.52 1975 2.97 1976 1.68 1977 5.92 1978 3.88 1979 4.98 1980 3.94 1981 6.20 1982 3.17 1983 1.94 1984 2.51 1985 4.90 1986 2.92 1987 1.52 1988 2.22 1989 3.20 1990 3.15 1991 1.82 1992 5.23 1993 5.31 1994 0.71 1995 2.01 1996 3.80 61-90 AVERAGE: 3.07 Station : WAUBAY NATL WLDLF REF, SD8980 1961 5.12 1962 4.70 1963 8.14 1964 6.98 1965 1.75 1966 6.86 1967 0.48 1968 2.63 1969 2.75 1970 3.80 1971 0.78 1972 7.16 1973 1.74 1974 1.96 1975 2.81 1976 1.01 1977 3.80 1978 3.00 1979 4.53 1980 5.28 1981 2.59 1982 3.75 1983 5.92 1984 4.22 1985 5.68 1986 8.35 1987 3.03 1988 5.99 1989 5.09 1990 7.33 1991 5.62 1992 1.97 1993 7.18 1994 5.08 1995 6.64 1996 2.92 61-90 AVERAGE: 4.24 Station : WEBSTER-WATER DEPT, SD9004 1961 3.42 1962 3.80 1963 6.51 1964 5.30 1965 2.51 1966 7.00 1967 2.80 1968 2.41 1969 4.81 1970 2.77 1971 1.10 1972 6.88 1973 2.83 1974 1.98 1975 2.66 1976 1.14 1977 5.82 1978 4.04 1979 2.99 1980 3.90 1981 3.59 1982 2.97 1983 5.71 1984 3.12 1985 4.49 1986 6.82 1987 2.14 1988 5.73 1989 7.00 1990 4.26 1991 5.28 1992 2.05 1993 9.63 1994 3.33 1995 8.28 1996 2.99 61-90 AVERAGE: 4.02 Station : CLEAR LAKE, SD1777 1961 4.38 1962 1.79 1963 8.01 1964 3.53 1965 3.33 1966 4.53 1967 1.02 1968 3.29 1969 4.79 1970 4.14 1971 1.29 1972 6.10 1973 3.38 1974 3.52 1975 4.49 1976 1.64 1977 1.89 1978 3.48 1979 7.69 1980 6.50 1981 3.06 1982 4.08 1983 3.26 1984 1.62 1985 8.51 1986 6.00 1987 4.39 1988 6.26 1989 6.51 1990 6.12 1991 5.58 1992 4.62 1993 5.71 1994 4.92 1995 4.08 1996 4.39 61-90 AVERAGE: 4.29 Station : TIMBER LAKE, SD8307 1961 1.57 1962 4.30 1963 2.21 1964 1.96 1965 1.64 1966 6.36 1967 1.03 1968 3.10 1969 2.70 1970 3.08 1971 1.08 1972 1.69 1973 2.49 1974 2.47 1975 2.62 1976 0.69 1977 2.74 1978 6.04 1979 4.99 1980 4.02 1981 7.67 1982 1.82 1983 4.79 1984 0.72 1985 4.11 1986 2.30 1987 7.00 1988 0.85 1989 1.56 1990 3.34 1991 1.17 1992 3.29 1993 4.17 1994 1.02 1995 2.96 1996 3.36 61-90 AVERAGE: 3.03 Station : ARMOUR, SD0296 1961 7.02 1962 5.33 1963 5.95 1964 2.08 1965 2.19 1966 5.29 1967 1.96 1968 2.86 1969 4.84 1970 1.20 1971 1.77 1972 5.14 1973 2.46 1974 2.75 1975 3.23 1976 2.23 1977 4.26 1978 6.70 1979 4.67 1980 5.88 1981 2.06 1982 2.46 1983 4.26 1984 3.53 1985 6.65 1986 0.88 1987 2.90 1988 3.37 1989 2.58 1990 2.44 1991 5.24 1992 7.82 1993 6.27 1994 2.22 1995 4.16 1996 3.23 61-90 AVERAGE: 3.63 Station : IPSWICH, SD4206 1961 1.70 1962 1.96 1963 6.75 1964 4.75 1965 0.97 1966 5.49 1967 1.36 1968 3.66 1969 3.33 1970 2.28 1971 0.51 1972 1.61 1973 0.60 1974 1.88 1975 1.60 1976 1.53 1977 2.42 1978 3.06 1979 3.92 1980 6.50 1981 3.07 1982 2.97 1983 6.24 1984 2.60 1985 4.16 1986 4.32 1987 3.24 1988 1.86 1989 4.02 1990 2.48 1991 1.20 1992 3.01 1993 7.85 1994 6.11 1995 2.77 1996 2.52 61-90 AVERAGE: 3.03 Station : ARDMORE 2 N, SD0236 1961 1.26 1962 0.49 1963 1.86 1964 0.42 1965 3.36 1966 4.59 1967 1.55 1968 5.42 1969 2.51 1970 2.06 1971 0.45 1972 2.55 1973 4.00 1974 2.81 1975 0.56 1976 4.03 1977 2.57 1978 4.01 1979 5.80 1980 3.55 1981 3.43 1982 2.78 1983 2.94 1984 2.06 1985 2.36 1986 2.65 1987 1.41 1988 2.22 1989 2.34 1990 3.97 1991 1.78 1992 2.20 1993 4.86 1994 1.90 1995 1.55 1996 1.78 61-90 AVERAGE: 2.67 Station : HOT SPRINGS, SD4007 1961 3.55 1962 1.54 1963 2.21 1964 0.77 1965 1.25 1966 3.44 1967 0.92 1968 5.25 1969 3.96 1970 3.25 1971 0.82 1972 2.53 1973 4.87 1974 3.90 1975 0.62 1976 4.81 1977 4.39 1978 5.53 1979 5.30 1980 3.39 1981 3.51 1982 2.43 1983 3.00 1984 1.87 1985 2.97 1986 1.53 1987 1.85 1988 4.30 1989 2.13 1990 3.50 1991 1.42 1992 3.01 1993 6.59 1994 1.44 1995 2.06 1996 4.56 61-90 AVERAGE: 2.98 Station : OELRICHS, SD6212 1961 0.59 1962 1.70 1963 2.09 1964 0.78 1965 3.69 1966 6.52 1967 1.21 1968 5.82 1969 6.51 1970 0.58 1971 0.49 1972 1.99 1973 4.18 1974 6.36 1975 0.92 1976 2.90 1977 3.92 1978 3.42 1979 5.05 1980 3.72 1981 2.52 1982 2.15 1983 4.57 1984 1.17 1985 1.37 1986 1.47 1987 1.32 1988 3.63 1989 1.94 1990 3.59 1991 2.62 1992 2.52 1993 3.32 1994 1.95 1995 3.09 1996 2.46 61-90 AVERAGE: 2.87 Station : FAULKTON 1 NW, SD2927 1961 2.69 1962 2.72 1963 4.11 1964 3.65 1965 1.00 1966 5.18 1967 1.42 1968 3.99 1969 2.77 1970 1.20 1971 0.90 1972 4.15 1973 3.24 1974 1.51 1975 0.97 1976 1.54 1977 2.44 1978 4.09 1979 4.82 1980 4.98 1981 4.59 1982 0.84 1983 4.86 1984 0.98 1985 6.28 1986 3.00 1987 2.75 1988 2.54 1989 2.45 1990 4.13 1991 3.42 1992 4.65 1993 5.46 1994 2.52 1995 1.08 1996 3.17 61-90 AVERAGE: 2.99 Station : MILBANK 2 SSW, SD5536 1961 2.42 1962 2.73 1963 7.51 1964 3.99 1965 1.10 1966 6.97 1967 1.59 1968 2.98 1969 2.14 1970 2.77 1971 0.93 1972 4.46 1973 2.32 1974 3.70 1975 1.88 1976 0.97 1977 5.05 1978 1.72 1979 2.76 1980 5.19 1981 4.83 1982 3.22 1983 0.03 1984 3.56 1985 2.51 1986 5.51 1987 3.31 1988 4.93 1989 7.77 1990 5.83 1991 3.76 1992 2.11 1993 6.59 1994 3.45 1995 7.58 1996 0.88 61-90 AVERAGE: 3.49 Station : BONESTEEL, SD0778 1961 7.13 1962 3.42 1963 3.15 1964 1.10 1965 2.13 1966 5.45 1967 3.14 1968 1.85 1969 1.37 1970 1.56 1971 3.19 1972 8.79 1973 4.21 1974 2.40 1975 4.02 1976 2.66 1977 5.17 1978 5.48 1979 4.65 1980 4.00 1981 6.24 1982 3.01 1983 4.43 1984 6.14 1985 7.71 1986 1.28 1987 5.41 1988 3.06 1989 5.92 1990 3.47 1991 2.83 1992 6.35 1993 5.61 1994 2.61 1995 4.40 1996 5.01 61-90 AVERAGE: 4.05 Station : GREGORY, SD3452 1961 1.49 1962 4.13 1963 3.89 1964 1.17 1965 3.28 1966 6.47 1967 1.12 1968 2.13 1969 1.98 1970 2.13 1971 3.42 1972 7.64 1973 3.44 1974 0.73 1975 2.30 1976 1.84 1977 5.81 1978 2.73 1979 2.87 1980 4.67 1981 7.13 1982 3.64 1983 3.52 1984 5.67 1985 6.96 1986 1.82 1987 7.23 1988 5.46 1989 1.26 1990 6.11 1991 2.31 1992 8.02 1993 4.48 1994 3.36 1995 3.51 1996 2.72 61-90 AVERAGE: 3.73 Station : KIRLEY 6 N, SD4596 1970 0.00 1971 1.07 1972 3.48 1973 1.43 1974 2.68 1975 3.00 1976 0.57 1977 3.22 1978 5.10 1979 5.72 1980 2.47 1981 4.99 1982 5.13 1983 2.93 1984 2.56 1985 2.42 1986 2.81 1987 4.81 1988 2.17 1989 1.04 1990 2.20 1991 3.10 1992 4.71 1993 3.50 1994 0.87 1995 1.00 1996 2.05 61-90 AVERAGE: 2.85 Station : MIDLAND, SD5506 1961 4.12 1962 1.18 1963 3.06 1964 1.35 1965 1.91 1966 3.18 1967 1.10 1968 3.16 1969 1.92 1970 1.86 1971 0.40 1972 3.88 1973 2.32 1974 2.11 1975 1.83 1976 0.96 1977 2.76 1978 4.54 1979 2.93 1980 3.41 1981 5.66 1982 5.42 1983 2.02 1984 3.48 1985 2.77 1986 1.34 1987 4.22 1988 1.22 1989 4.21 1990 2.19 1991 2.84 1992 4.02 1993 3.76 1994 0.30 1995 0.36 1996 1.01 61-90 AVERAGE: 2.68 Station : MILESVILLE 8 NE, SD5544 1961 2.37 1962 0.81 1963 2.46 1964 1.16 1965 2.12 1966 2.50 1967 1.47 1968 2.95 1969 2.77 1970 2.71 1971 0.45 1972 3.10 1973 1.50 1974 2.25 1975 2.33 1976 3.37 1977 1.71 1978 5.92 1979 3.98 1980 2.78 1981 7.88 1982 5.93 1983 3.02 1984 2.00 1985 2.66 1986 5.83 1987 10.72 1988 1.61 1989 1.25 1990 2.70 1991 1.41 1992 5.42 1993 3.85 1994 0.70 1995 2.79 1996 1.92 61-90 AVERAGE: 3.08 Station : PHILIP 4 E, SD6552 1961 3.65 1962 0.40 1963 2.50 1964 2.42 1965 1.14 1966 2.12 1967 0.55 1968 3.49 1969 2.74 1970 1.45 1971 0.26 1972 4.03 1973 1.40 1974 3.31 1975 1.93 1976 1.80 1977 3.17 1978 4.13 1979 4.42 1980 0.04 1982 0.00 1983 2.13 1984 1.59 1985 0.02 1986 1.80 1987 3.05 1988 1.14 1989 1.44 1990 2.38 1991 1.75 1992 3.04 1993 2.82 1994 2.72 1995 0.03 1996 1.10 61-90 AVERAGE: 2.02 Station : CASTLEWOOD, SD1519 1961 5.26 1962 1.92 1963 7.23 1964 4.01 1965 2.78 1966 3.33 1967 0.55 1968 2.84 1969 4.66 1970 1.40 1971 1.30 1972 6.26 1973 3.17 1974 3.00 1975 5.75 1976 1.24 1977 2.01 1978 1.53 1979 4.94 1980 5.02 1981 6.87 1982 3.89 1983 1.75 1984 2.34 1985 5.92 1986 4.98 1987 5.93 1988 6.48 1989 3.99 1990 4.97 1991 2.83 1992 5.29 1993 5.02 1994 4.12 1995 3.16 1996 3.10 61-90 AVERAGE: 3.84 Station : MILLER, SD5561 1961 2.17 1962 3.45 1963 2.77 1964 1.98 1965 1.42 1966 5.29 1967 1.69 1968 6.59 1969 3.11 1970 2.32 1971 2.03 1972 2.98 1973 2.60 1974 1.23 1975 1.33 1976 0.15 1977 1.60 1978 2.67 1979 4.68 1980 2.99 1981 4.17 1982 3.90 1983 2.63 1984 3.75 1985 6.56 1986 3.14 1987 1.59 1988 2.19 1989 1.76 1990 3.87 1991 4.99 1992 4.80 1993 4.01 1994 2.40 1995 2.25 1996 1.49 61-90 AVERAGE: 2.89 Station : ALEXANDRIA, SD0128 1961 3.61 1962 3.06 1963 8.29 1964 2.61 1965 3.03 1966 4.94 1967 2.36 1968 1.84 1969 2.64 1970 1.85 1971 1.79 1972 3.85 1973 1.98 1974 1.50 1975 3.11 1976 1.21 1977 6.32 1978 5.85 1979 5.34 1980 3.15 1981 7.04 1982 3.15 1983 2.15 1984 2.77 1985 5.36 1986 3.05 1987 2.16 1988 4.84 1989 3.09 1990 2.88 1991 2.52 1992 9.14 1993 7.88 1994 1.33 1995 2.20 1996 1.94 61-90 AVERAGE: 3.49 Station : CAMP CROOK, SD1294 1961 2.36 1962 3.79 1963 1.44 1964 1.53 1965 2.35 1966 3.94 1967 0.53 1968 3.07 1969 2.27 1970 1.81 1971 0.18 1972 4.05 1973 2.15 1974 0.92 1975 1.11 1976 1.89 1977 0.82 1978 2.99 1979 3.07 1980 0.08 1981 3.43 1982 3.73 1983 3.19 1984 1.10 1985 1.10 1986 1.85 1987 2.88 1988 0.65 1989 1.40 1990 1.62 1991 1.59 1992 2.10 1993 3.48 1994 0.50 1995 1.76 1996 0.73 61-90 AVERAGE: 2.04 Station : LUDLOW, SD5048 1961 1.29 1962 1.14 1963 3.07 1964 4.83 1965 0.55 1966 3.23 1967 0.94 1968 2.88 1969 1.94 1970 1.95 1971 0.26 1972 5.83 1973 2.26 1974 1.70 1975 2.27 1976 0.92 1977 2.78 1978 2.18 1979 3.99 1980 2.84 1981 2.04 1982 2.70 1983 2.76 1984 1.26 1985 1.58 1986 1.96 1987 2.69 1988 0.85 1989 0.47 1990 1.99 1991 3.68 1992 2.35 1993 3.66 1994 0.41 1995 2.14 1996 2.61 61-90 AVERAGE: 2.17 Station : RALPH, SD6907 1961 1.32 1962 0.92 1963 2.89 1964 2.17 1965 0.69 1966 3.77 1967 0.63 1968 1.78 1969 1.70 1970 2.61 1971 0.19 1972 4.33 1973 1.98 1974 0.39 1975 0.93 1976 3.21 1977 1.54 1978 2.67 1979 4.13 1980 1.60 1981 1.71 1982 2.63 1983 4.20 1984 1.39 1985 2.01 1986 1.68 1987 3.44 1988 0.70 1989 1.39 1990 0.95 1991 1.70 1992 2.72 1993 5.28 1994 0.57 1995 1.80 1996 1.48 61-90 AVERAGE: 1.98 Station : REDIG 11 NE, SD7062 1961 2.73 1962 0.91 1963 2.07 1964 3.80 1965 2.20 1966 3.45 1967 2.46 1968 2.44 1969 1.55 1970 1.93 1971 0.36 1972 2.50 1973 0.84 1974 2.00 1975 1.72 1976 0.83 1977 2.64 1978 3.59 1979 4.27 1980 2.76 1981 3.44 1982 3.07 1983 3.17 1984 2.53 1985 1.89 1986 1.38 1987 2.22 1988 0.54 1989 0.74 1990 1.12 1991 2.09 1992 1.97 1993 4.28 1994 0.41 1995 1.89 1996 2.22 61-90 AVERAGE: 2.17 Station : HARROLD 12 SSW, SD3608 1963 0.59 1964 2.46 1965 1.48 1966 4.36 1967 2.09 1968 5.71 1969 3.81 1970 2.51 1971 0.96 1972 4.23 1973 3.38 1974 1.03 1975 1.16 1976 0.65 1977 5.12 1978 4.85 1979 3.85 1980 4.79 1981 5.76 1982 4.04 1983 2.66 1984 1.82 1985 3.90 1986 2.35 1987 3.07 1988 1.48 1989 2.19 1990 5.44 1991 1.14 1992 2.61 1993 3.50 1994 2.85 1995 1.70 1996 2.31 61-90 AVERAGE: 3.06 Station : PIERRE FAA AP, SD6597 1961 1.66 1962 1.35 1963 3.13 1964 1.14 1965 0.70 1966 2.76 1967 0.58 1968 5.00 1969 2.28 1970 6.48 1971 0.84 1972 3.31 1973 1.62 1974 1.27 1975 2.11 1976 1.16 1977 3.08 1978 3.76 1979 5.44 1980 2.74 1981 4.37 1982 5.97 1983 1.40 1984 5.37 1985 4.34 1986 3.06 1987 2.67 1988 1.88 1989 2.12 1990 4.83 1991 1.46 1992 2.76 1993 2.48 1994 4.03 1995 3.55 1996 2.14 61-90 AVERAGE: 2.88 Station : MENNO, SD5481 1961 4.74 1962 4.62 1963 8.19 1964 1.75 1965 5.45 1966 7.28 1967 3.72 1968 4.18 1969 3.56 1970 0.93 1971 1.54 1972 4.12 1973 1.33 1974 3.81 1975 6.44 1976 2.25 1977 4.64 1978 6.96 1979 4.63 1980 2.74 1981 4.29 1982 3.77 1983 3.83 1984 3.08 1985 4.54 1986 3.04 1987 3.08 1988 4.62 1989 2.64 1990 2.36 1991 3.99 1992 6.31 1993 5.82 1994 3.06 1995 3.57 1996 4.76 61-90 AVERAGE: 3.94 Station : HIGHMORE 1 W, SD3832 1961 2.96 1962 5.11 1963 4.95 1964 1.27 1965 2.11 1966 4.95 1967 3.10 1968 6.87 1969 5.15 1970 2.22 1971 2.13 1972 4.35 1973 2.14 1974 1.01 1975 2.47 1976 0.67 1977 2.61 1978 4.24 1979 4.08 1980 3.69 1981 7.39 1982 3.72 1983 3.22 1984 5.73 1985 5.47 1986 4.90 1987 3.13 1988 1.86 1989 1.27 1990 5.58 1991 2.16 1992 3.36 1993 5.94 1994 3.28 1995 4.61 1996 2.60 61-90 AVERAGE: 3.61 Station : HIGHMORE 23 NNW, SD3838 1961 1.98 1962 3.62 1963 3.55 1964 2.16 1965 1.28 1966 5.56 1967 1.41 1968 8.11 1969 2.79 1970 3.66 1971 1.03 1972 3.27 1973 1.56 1974 1.10 1975 2.31 1976 0.55 1977 2.04 1978 2.43 1979 4.91 1980 4.45 1981 4.27 1982 1.21 1983 4.32 1984 1.11 1985 5.12 1986 2.52 1987 3.58 1988 2.12 1989 0.94 1990 3.22 1991 0.99 1992 3.85 1993 6.70 1994 4.72 1995 1.35 1996 1.65 61-90 AVERAGE: 2.87 Station : STEPHAN 1 ENE, SD7992 1961 5.60 1962 2.87 1963 4.70 1964 1.40 1965 1.14 1966 4.13 1967 1.77 1968 10.58 1969 1.32 1970 5.03 1971 1.06 1972 3.35 1973 2.68 1974 1.02 1975 1.78 1976 0.51 1977 4.61 1978 2.02 1979 3.69 1980 3.96 1981 4.39 1982 6.60 1983 2.48 1984 3.24 1985 3.97 1986 2.40 1987 2.87 1988 1.28 1989 1.04 1990 6.53 1991 1.09 1992 3.58 1993 4.81 1994 1.06 1995 3.21 1996 3.80 61-90 AVERAGE: 3.27 Station : COTTONWOOD 2 E, SD1972 1961 0.00 1962 1.42 1963 1.68 1964 1.39 1965 1.30 1966 2.68 1967 0.84 1968 2.64 1969 3.81 1970 2.18 1971 0.31 1972 4.70 1973 1.26 1974 3.89 1975 1.76 1976 2.38 1977 2.01 1978 4.00 1979 3.50 1980 2.46 1981 5.07 1982 4.19 1983 1.61 1984 1.21 1985 2.68 1986 3.18 1987 1.79 1988 1.20 1989 0.55 1990 3.06 1991 1.48 1992 1.60 1993 3.26 1994 2.88 1995 1.00 1996 1.61 61-90 AVERAGE: 2.29 Station : INTERIOR 3 NE, SD4184 1961 1.28 1962 2.44 1963 1.39 1964 4.93 1965 2.50 1966 3.55 1967 0.80 1968 4.14 1969 3.54 1970 1.33 1971 0.62 1972 4.31 1973 1.53 1974 3.10 1975 1.32 1976 2.82 1977 2.65 1978 5.07 1979 4.21 1980 1.90 1981 4.53 1982 4.86 1983 2.37 1984 1.71 1985 3.43 1986 2.49 1987 2.28 1988 1.12 1989 0.71 1990 3.60 1991 2.30 1992 1.80 1993 4.00 1994 2.10 1995 1.64 1996 1.20 61-90 AVERAGE: 2.68 Station : LONG VALLEY, SD4983 1961 6.78 1962 1.49 1963 4.26 1964 1.58 1965 2.85 1966 4.43 1967 1.73 1968 5.90 1969 3.19 1970 1.38 1971 0.64 1972 5.00 1973 1.44 1974 1.91 1975 2.73 1976 3.15 1977 4.33 1978 2.84 1979 3.29 1980 1.68 1981 5.87 1982 3.85 1983 5.38 1984 1.78 1985 3.23 1986 3.21 1987 5.32 1988 1.22 1989 0.30 1990 2.25 1991 1.73 1992 2.49 1993 4.28 1994 1.36 1995 2.56 1996 4.36 61-90 AVERAGE: 3.10 Station : WESSINGTON SPRINGS, SD9070 1961 2.36 1962 3.54 1963 2.51 1964 0.51 1965 0.91 1966 7.13 1967 4.33 1968 6.03 1969 4.36 1970 1.76 1971 1.29 1972 3.48 1973 2.30 1974 1.19 1975 2.21 1976 1.09 1977 1.92 1978 2.24 1979 4.85 1980 4.13 1981 4.85 1982 5.17 1983 3.89 1984 3.48 1985 3.99 1986 4.20 1987 6.85 1988 2.12 1989 2.85 1990 3.07 1991 3.79 1992 6.05 1993 2.55 1994 2.08 1995 3.79 1996 2.27 61-90 AVERAGE: 3.29 Station : MURDO, SD5891 1961 3.44 1962 1.48 1963 2.19 1964 2.23 1965 1.15 1966 5.68 1967 1.47 1968 3.57 1969 2.25 1970 4.18 1971 0.17 1972 5.51 1973 0.97 1974 1.90 1975 3.82 1976 0.90 1977 3.78 1978 5.84 1979 3.59 1980 2.44 1981 6.68 1982 4.52 1983 2.10 1984 2.93 1985 3.40 1986 3.09 1987 2.86 1988 1.08 1989 0.70 1990 1.62 1991 3.30 1992 2.83 1993 3.54 1994 1.42 1995 1.40 1996 0.66 61-90 AVERAGE: 2.85 Station : DE SMET, SD2302 1961 2.50 1962 2.39 1963 5.11 1964 3.46 1965 1.52 1966 4.37 1967 1.03 1968 4.81 1969 3.77 1970 2.18 1971 1.21 1972 3.87 1973 3.20 1974 3.88 1975 4.95 1976 1.54 1977 3.76 1978 1.53 1979 2.21 1980 4.67 1981 6.80 1982 4.97 1983 2.29 1984 6.24 1985 6.72 1986 8.41 1987 6.00 1988 3.30 1989 6.73 1990 4.79 1991 2.49 1992 5.42 1993 6.44 1994 4.40 1995 5.84 1996 2.10 61-90 AVERAGE: 3.94 Station : MADISON RESEARCH FARM, SD5090 1962 4.02 1963 7.37 1964 3.61 1965 1.04 1966 4.68 1967 1.14 1968 2.41 1969 4.26 1970 2.31 1971 0.66 1972 4.70 1973 3.65 1974 4.73 1975 6.47 1976 1.34 1977 4.46 1978 3.54 1979 6.28 1980 5.88 1981 2.19 1982 4.87 1983 3.23 1984 2.69 1985 4.44 1986 3.70 1987 3.30 1988 5.60 1989 2.70 1990 5.33 1991 2.83 1992 7.26 1993 4.96 1994 2.04 1995 6.99 1996 4.12 61-90 AVERAGE: 3.81 Station : WENTWORTH 2 WNW, SD9042 1961 4.31 1962 2.81 1963 7.73 1964 3.01 1965 0.67 1966 3.43 1967 1.22 1968 2.04 1969 2.74 1970 3.16 1971 0.57 1972 4.34 1973 2.38 1974 7.16 1975 7.79 1976 2.03 1977 1.19 1978 4.11 1979 5.26 1980 5.61 1981 3.63 1982 4.04 1983 2.67 1984 2.41 1985 3.60 1986 4.07 1987 3.44 1988 5.71 1989 2.67 1990 2.89 1991 3.59 1992 7.27 1993 5.10 1994 2.71 1995 6.22 1996 3.72 61-90 AVERAGE: 3.56 Station : DEADWOOD, SD2207 1961 0.76 1962 2.31 1963 1.58 1964 0.08 1965 0.29 1966 4.09 1967 0.92 1968 5.56 1969 1.70 1970 3.62 1971 1.27 1972 4.69 1973 2.73 1974 4.81 1975 1.98 1976 2.03 1977 2.23 1978 4.34 1979 6.51 1980 3.27 1981 3.94 1982 4.07 1983 6.76 1984 3.13 1985 0.66 1986 1.59 1987 3.76 1988 2.44 1989 2.37 1990 2.74 1991 0.85 1992 1.80 1993 4.00 1994 0.62 1995 4.72 1996 0.69 61-90 AVERAGE: 2.87 Station : LEAD, SD4834 1961 1.27 1962 3.33 1963 1.32 1964 6.74 1965 2.49 1966 5.17 1967 1.29 1968 6.48 1969 2.45 1970 3.56 1971 1.57 1972 4.61 1973 2.62 1974 3.90 1975 1.15 1976 1.73 1977 2.15 1978 4.30 1979 6.40 1980 3.40 1981 3.87 1982 4.08 1983 6.24 1984 2.26 1985 0.86 1986 2.13 1987 4.11 1988 2.02 1989 2.57 1990 3.10 1991 1.06 1992 2.09 1993 5.54 1994 0.75 1995 4.06 1996 3.61 61-90 AVERAGE: 3.24 Station : SPEARFISH, SD7882 1961 1.59 1962 1.60 1963 1.82 1964 2.36 1965 2.51 1966 4.40 1967 1.33 1968 3.70 1969 0.89 1970 4.66 1971 0.97 1972 5.76 1973 3.17 1974 3.11 1975 0.67 1976 0.87 1977 3.03 1978 4.05 1979 5.86 1980 2.57 1981 4.30 1982 2.76 1983 2.43 1984 2.26 1985 0.88 1986 2.72 1987 3.80 1988 0.64 1989 3.81 1990 3.43 1991 0.09 1992 1.88 1993 2.68 1994 1.58 1995 2.02 1996 1.34 61-90 AVERAGE: 2.73 Station : CANTON 4 WNW, SD1392 1961 4.11 1962 3.60 1963 6.43 1964 2.97 1965 2.45 1966 4.74 1967 2.58 1968 4.75 1969 3.06 1970 0.65 1971 1.78 1972 0.89 1973 3.95 1974 4.08 1975 7.85 1976 3.31 1977 4.81 1978 7.02 1979 6.49 1980 2.92 1981 3.02 1982 4.03 1983 4.15 1984 1.81 1985 5.62 1986 2.92 1987 2.07 1988 4.07 1989 4.93 1990 6.53 1991 2.15 1992 8.01 1993 4.80 1994 2.52 1995 4.02 1996 3.89 61-90 AVERAGE: 3.92 Station : KENNEBEC, SD4516 1961 2.40 1962 1.96 1963 3.96 1964 0.04 1965 3.28 1966 3.84 1967 3.81 1968 3.70 1969 3.57 1970 3.67 1971 0.61 1972 2.77 1973 2.12 1974 0.74 1975 3.23 1976 3.09 1977 3.41 1978 4.20 1979 5.87 1980 4.56 1981 5.01 1982 4.14 1983 1.50 1984 4.13 1985 5.07 1986 2.59 1987 2.62 1988 0.71 1989 1.48 1990 3.72 1991 2.89 1992 2.77 1993 3.20 1994 1.86 1995 2.18 1996 2.13 61-90 AVERAGE: 3.06 Station : BRIDGEWATER, SD1032 1961 3.46 1962 2.55 1963 7.82 1964 2.50 1965 2.50 1966 5.56 1967 1.65 1968 3.04 1969 3.39 1970 1.50 1971 1.48 1972 3.92 1973 2.22 1974 2.81 1975 7.56 1976 3.28 1977 5.41 1978 6.20 1979 6.77 1980 0.07 1981 8.32 1982 4.52 1983 0.05 1984 1.80 1985 4.93 1986 3.89 1987 2.26 1988 4.57 1989 2.75 1990 6.23 1991 4.56 1992 8.65 1993 9.49 1994 3.09 1995 3.98 1996 5.39 61-90 AVERAGE: 3.77 Station : EUREKA, SD2797 1961 2.19 1962 1.75 1963 4.36 1964 1.84 1965 2.40 1966 5.42 1967 1.25 1968 1.60 1969 3.00 1970 2.90 1971 0.93 1972 1.17 1973 1.82 1974 3.61 1975 1.80 1976 1.98 1977 2.21 1978 2.84 1979 1.98 1980 4.72 1981 3.49 1982 0.79 1983 6.45 1984 0.81 1985 3.65 1986 4.58 1987 5.12 1988 1.67 1989 1.95 1990 4.92 1991 1.19 1992 6.51 1993 9.91 1994 3.50 1995 2.76 1996 1.49 61-90 AVERAGE: 2.77 Station : LEOLA, SD4891 1961 3.77 1962 2.60 1963 6.29 1964 2.26 1965 2.61 1966 8.50 1967 1.20 1968 4.11 1969 3.15 1970 2.91 1971 1.25 1972 1.88 1973 0.79 1974 1.62 1975 2.22 1976 0.66 1977 3.20 1978 1.96 1979 2.63 1980 5.49 1981 3.23 1982 2.00 1983 5.17 1984 0.71 1985 2.67 1986 4.69 1987 3.68 1988 1.63 1989 3.36 1990 3.20 1991 1.17 1992 2.89 1993 8.94 1994 4.48 1995 3.55 1996 1.55 61-90 AVERAGE: 2.98 Station : BRITTON, SD1049 1961 2.57 1962 2.33 1963 5.66 1964 4.13 1965 3.23 1966 5.40 1967 2.65 1968 2.18 1969 1.07 1970 2.12 1971 1.59 1972 5.50 1973 2.66 1974 1.75 1975 1.33 1976 1.47 1977 2.93 1978 1.90 1979 2.00 1980 4.20 1981 2.88 1982 2.12 1983 5.13 1984 1.72 1985 2.89 1986 9.34 1987 4.11 1988 3.77 1989 5.10 1990 4.20 1991 1.84 1992 4.92 1993 9.21 1994 2.78 1995 4.92 1996 1.76 61-90 AVERAGE: 3.26 Station : FAITH, SD2852 1961 2.60 1962 0.59 1963 3.46 1964 2.63 1965 3.05 1966 4.31 1967 1.61 1968 3.86 1969 4.80 1970 0.05 1971 0.00 1972 0.84 1973 0.38 1974 0.25 1975 3.30 1976 1.16 1977 1.52 1978 4.10 1979 2.75 1980 1.64 1981 4.37 1982 5.20 1983 1.77 1984 3.55 1985 2.02 1986 2.00 1987 4.76 1988 0.54 1989 1.33 1990 1.94 1991 1.83 1992 4.05 1993 5.27 1994 0.98 1995 3.70 1996 1.32 61-90 AVERAGE: 2.35 Station : FORT MEADE, SD3069 1961 2.51 1962 1.79 1963 1.55 1964 3.09 1965 2.82 1966 6.01 1967 3.44 1968 5.04 1969 1.46 1970 0.88 1971 1.13 1972 2.30 1973 2.41 1974 1.86 1975 1.31 1976 2.05 1977 1.51 1978 4.32 1979 3.64 1980 2.40 1981 4.87 1982 2.51 1983 2.67 1984 3.43 1985 3.69 1986 2.74 1987 3.72 1988 2.42 1989 1.25 1990 2.64 1991 2.13 1992 1.72 1993 3.75 1994 0.63 1995 1.78 1996 1.14 61-90 AVERAGE: 2.72 Station : CEDARBUTTE, SD1539 1961 3.39 1962 2.59 1963 4.20 1964 2.94 1965 1.45 1966 6.18 1967 2.26 1968 6.61 1969 1.96 1970 2.49 1971 0.40 1972 3.69 1973 1.71 1974 2.61 1975 3.36 1976 1.51 1977 4.01 1978 4.20 1979 5.64 1980 2.71 1981 5.42 1982 2.72 1983 3.13 1984 4.37 1985 3.48 1986 1.87 1987 3.05 1988 0.43 1989 2.74 1990 1.87 1991 2.45 1992 3.52 1993 3.82 1994 4.30 1995 2.25 1996 1.81 61-90 AVERAGE: 3.10 Station : WOOD, SD9442 1961 3.71 1962 2.97 1963 3.14 1964 1.94 1965 1.87 1966 9.41 1967 1.53 1968 6.24 1969 2.83 1970 1.63 1971 0.29 1972 4.47 1973 3.43 1974 1.27 1975 2.61 1976 3.92 1977 3.34 1978 2.94 1979 4.46 1980 3.38 1981 4.06 1982 3.09 1983 3.28 1984 0.03 1988 0.86 1989 2.11 1990 3.23 1991 1.47 1992 3.40 1993 4.73 1994 2.36 1995 3.38 1996 1.55 61-90 AVERAGE: 3.04 Station : HOWARD, SD4037 1961 4.01 1962 2.03 1963 7.20 1964 2.05 1965 1.78 1966 5.27 1967 2.91 1968 3.26 1969 2.66 1970 2.25 1971 1.01 1972 2.73 1973 4.37 1974 2.17 1975 3.05 1976 1.94 1977 3.59 1978 3.46 1979 4.96 1980 5.03 1981 4.06 1982 6.15 1983 3.43 1984 2.62 1985 5.50 1986 3.80 1987 4.14 1988 6.26 1989 5.31 1990 4.83 1991 4.68 1992 9.73 1993 5.11 1994 2.39 1995 4.78 1996 3.71 61-90 AVERAGE: 3.73 Station : SIOUX FALLS WSFO AP, SD7667 1961 2.19 1962 2.85 1963 5.85 1964 3.39 1965 1.50 1966 3.32 1967 3.92 1968 3.35 1969 4.71 1970 1.03 1971 0.71 1972 3.79 1973 1.98 1974 5.23 1975 9.27 1976 2.50 1977 6.41 1978 5.64 1979 6.06 1980 2.23 1981 3.81 1982 2.03 1983 2.19 1984 1.82 1985 4.77 1986 4.06 1987 1.85 1988 4.27 1989 3.22 1990 2.27 1991 3.03 1992 7.55 1993 4.93 1994 3.40 1995 3.88 1996 2.45 61-90 AVERAGE: 3.54 Station : FLANDREAU, SD2984 1961 4.71 1962 1.93 1963 7.70 1964 3.60 1965 0.73 1966 2.87 1967 1.15 1968 1.84 1969 3.72 1970 2.57 1971 0.66 1972 3.38 1973 1.68 1974 4.41 1975 4.15 1976 1.57 1977 5.13 1978 4.67 1979 7.27 1980 6.17 1981 8.87 1982 4.06 1983 2.61 1984 1.25 1985 5.07 1986 3.92 1987 3.24 1988 4.27 1989 2.38 1990 6.57 1991 2.18 1992 4.56 1993 4.28 1994 3.89 1995 10.60 1996 2.70 61-90 AVERAGE: 3.74 Station : MT RUSHMORE NATL MEM, SD5870 1962 4.43 1963 3.12 1964 1.23 1965 6.55 1966 6.04 1967 1.46 1968 4.81 1969 6.94 1970 3.07 1971 2.69 1972 3.64 1973 4.83 1974 3.68 1975 2.07 1976 4.56 1977 6.41 1978 5.00 1979 7.48 1980 4.40 1981 4.56 1982 3.28 1983 2.54 1984 2.83 1985 2.10 1986 2.45 1987 2.21 1988 2.96 1989 2.49 1990 3.72 1991 2.12 1992 2.39 1993 4.48 1994 3.62 1995 4.14 1996 4.97 61-90 AVERAGE: 3.85 Station : PACTOLA DAM, SD6427 1961 1.85 1962 4.33 1963 2.23 1964 1.76 1965 4.13 1966 5.47 1967 2.03 1968 2.95 1969 4.09 1970 4.96 1971 1.27 1972 4.13 1973 3.35 1974 4.32 1975 1.67 1976 4.59 1977 0.05 1978 4.80 1979 6.47 1980 2.94 1981 5.18 1982 6.05 1983 3.96 1984 3.21 1985 3.12 1986 3.52 1987 1.99 1988 2.68 1989 4.25 1990 5.99 1991 3.51 1992 2.86 1993 4.16 1994 0.99 1995 4.26 1996 2.60 61-90 AVERAGE: 3.58 Station : RAPID CITY WSO AP, SD6937 1961 1.11 1962 1.79 1963 2.15 1964 1.05 1965 1.59 1966 5.03 1967 1.51 1968 4.15 1969 4.60 1970 1.00 1971 0.73 1972 3.21 1973 1.89 1974 1.54 1975 1.00 1976 1.45 1977 2.38 1978 3.61 1979 4.31 1980 2.48 1981 5.05 1982 5.91 1983 4.34 1984 1.22 1985 2.79 1986 1.50 1987 2.66 1988 2.18 1989 1.81 1990 2.61 1991 1.67 1992 1.51 1993 4.48 1994 0.67 1995 2.18 1996 1.69 61-90 AVERAGE: 2.56 Station : RAPID CITY, SD6947 1961 1.40 1962 1.25 1963 2.71 1964 1.55 1965 2.67 1966 5.90 1967 1.89 1968 4.42 1969 3.01 1970 1.58 1971 0.63 1972 3.15 1973 2.52 1974 5.38 1975 2.43 1976 2.43 1977 1.52 1978 4.49 1979 5.07 1980 2.53 1981 5.10 1982 8.45 1983 4.37 1984 2.36 1985 3.48 1986 5.10 1987 3.34 1988 1.97 1989 2.99 1990 4.26 1991 1.87 1992 2.19 1993 5.72 1994 1.38 1995 5.78 1996 1.89 61-90 AVERAGE: 3.27 Station : WASTA, SD8911 1961 1.15 1962 1.61 1963 3.37 1964 2.20 1965 2.80 1966 4.22 1967 1.39 1968 4.00 1969 2.89 1970 0.39 1971 0.40 1972 4.07 1973 2.88 1974 3.03 1975 0.57 1976 4.01 1977 2.03 1978 3.62 1979 3.95 1980 2.80 1981 2.35 1982 4.50 1983 4.01 1984 3.43 1985 1.38 1986 1.47 1987 1.93 1988 1.19 1989 2.28 1990 3.15 1991 2.08 1992 1.57 1993 4.12 1994 1.37 1995 0.82 1996 2.34 61-90 AVERAGE: 2.57 Station : BISON, SD0701 1961 3.28 1962 1.43 1963 4.15 1964 3.83 1965 2.28 1966 6.69 1967 0.54 1968 3.44 1969 2.78 1970 2.99 1971 0.19 1972 1.03 1973 2.08 1974 3.01 1975 0.26 1976 0.60 1977 1.49 1978 2.93 1979 2.02 1980 3.37 1981 4.88 1982 2.54 1983 3.62 1984 2.35 1985 2.32 1986 2.47 1987 1.81 1988 0.54 1989 1.11 1990 0.70 1991 1.29 1992 4.41 1993 6.89 1994 1.06 1995 2.32 1996 2.34 61-90 AVERAGE: 2.36 Station : LEMMON, SD4864 1961 1.29 1962 3.21 1963 3.50 1964 1.33 1965 4.09 1966 5.13 1967 0.36 1968 3.74 1969 4.39 1970 1.93 1971 0.43 1972 4.23 1973 1.89 1974 1.59 1975 0.73 1976 2.14 1977 1.95 1978 3.56 1979 4.07 1980 2.67 1981 4.86 1982 1.88 1983 4.67 1984 5.56 1985 4.74 1986 0.52 1987 4.30 1988 1.13 1989 2.06 1990 2.96 1991 1.81 1992 3.73 1993 7.53 1994 2.48 1995 3.47 1996 1.48 61-90 AVERAGE: 2.83 Station : USTA 8 WNW, SD8528 1961 2.64 1962 1.96 1963 3.63 1964 1.52 1965 2.26 1966 2.68 1967 0.75 1968 2.23 1969 2.08 1970 1.77 1971 0.14 1972 1.32 1973 1.40 1974 2.97 1975 0.65 1976 0.61 1977 1.41 1978 3.25 1979 4.29 1980 2.32 1981 3.57 1982 2.11 1983 3.98 1984 0.57 1985 2.88 1986 1.59 1987 5.53 1988 0.09 1989 2.51 1990 0.13 1991 3.52 1992 3.69 1993 6.33 1994 0.06 1995 0.00 61-90 AVERAGE: 2.09 Station : GETTYSBURG, SD3294 1961 2.07 1962 5.77 1963 5.91 1964 1.44 1965 3.57 1966 5.92 1967 1.97 1968 3.22 1969 2.74 1970 3.15 1971 0.89 1972 2.03 1973 3.21 1974 2.97 1975 2.90 1976 0.77 1977 2.58 1978 4.77 1979 4.12 1980 1.93 1981 4.13 1982 1.33 1983 7.25 1984 1.87 1985 3.20 1986 4.15 1987 3.38 1988 3.06 1989 2.70 1990 3.06 1991 2.66 1992 6.47 1993 2.51 1994 1.49 1995 1.29 1996 2.21 61-90 AVERAGE: 3.20 Station : SISSETON 2 E, SD7742 1961 4.05 1962 2.98 1963 5.50 1964 7.34 1965 2.15 1966 6.49 1967 5.07 1968 1.85 1969 1.72 1970 2.37 1971 0.94 1972 4.61 1973 2.00 1974 2.71 1975 4.54 1976 1.41 1977 2.89 1978 2.00 1979 3.91 1980 6.04 1981 3.23 1982 2.23 1983 2.98 1984 4.47 1985 3.89 1986 6.89 1987 1.65 1988 4.62 1989 6.26 1990 3.46 1991 6.14 1992 1.82 1993 6.57 1994 2.56 1995 5.00 1996 2.57 61-90 AVERAGE: 3.68 Station : SUMMIT 1 W, SD8116 1961 4.06 1962 2.78 1963 8.07 1964 4.30 1965 1.79 1966 5.38 1967 1.30 1968 2.56 1969 2.79 1970 2.01 1971 0.79 1972 6.31 1973 2.61 1974 3.13 1975 2.99 1976 3.35 1977 4.90 1978 2.15 1979 4.50 1980 4.62 1981 0.05 1982 3.25 1983 5.70 1984 4.73 1985 7.12 1986 6.39 1987 2.46 1988 5.13 1989 6.11 1990 4.22 1991 7.63 1992 2.29 1993 7.28 1994 5.36 1995 8.53 1996 4.32 61-90 AVERAGE: 3.85 Station : FORESTBURG 3 NE, SD3029 1961 2.17 1962 2.37 1963 5.16 1964 1.43 1965 1.12 1966 5.67 1967 1.91 1968 5.35 1969 4.20 1970 2.75 1971 1.98 1972 2.83 1973 2.74 1974 1.82 1975 3.76 1976 1.61 1977 3.86 1978 2.42 1979 5.69 1980 3.04 1981 3.02 1982 5.91 1983 3.40 1984 3.40 1985 4.39 1986 3.72 1987 3.46 1988 1.57 1989 3.69 1990 2.40 1991 4.80 1992 5.76 1993 4.34 1994 2.67 1995 4.12 1996 3.25 61-90 AVERAGE: 3.23 Station : PORCUPINE 16 NW, SD6736 1963 0.00 1964 0.39 1965 5.29 1966 4.33 1967 2.11 1968 2.90 1969 3.64 1970 0.78 1971 0.68 1972 3.72 1973 1.28 1974 3.62 1975 1.04 1976 5.01 1977 7.11 1978 3.96 1979 4.23 1980 2.18 1981 3.01 1982 2.13 1983 3.65 1984 2.74 1985 5.20 1986 1.78 1987 1.38 1988 3.85 1989 1.19 1990 3.60 1991 1.06 1992 2.48 1993 6.40 1994 2.02 1995 1.55 1996 0.59 61-90 AVERAGE: 2.89 Station : MELLETTE, SD5456 1961 2.94 1962 2.64 1963 2.75 1964 3.53 1965 1.87 1966 7.63 1967 1.12 1968 3.69 1969 2.58 1970 2.36 1971 0.44 1972 0.00 1973 0.00 1974 1.97 1975 1.26 1976 0.66 1977 4.35 1978 4.36 1979 3.74 1980 6.00 1981 4.09 1982 0.44 1983 5.19 1984 7.33 1985 6.40 1986 3.89 1987 1.16 1988 3.05 1989 4.61 1990 9.85 1991 4.60 1992 3.53 1993 7.22 1994 3.24 1995 2.76 1996 1.40 61-90 AVERAGE: 3.33 Station : OAHE DAM, SD6170 1961 2.03 1962 1.74 1963 1.91 1964 1.37 1965 0.67 1966 3.44 1967 0.65 1968 4.42 1969 3.85 1970 4.18 1971 2.41 1972 2.07 1973 0.64 1974 0.50 1975 1.70 1976 0.26 1977 2.48 1978 2.94 1979 3.88 1980 1.25 1981 3.59 1982 4.37 1983 1.89 1984 2.36 1985 2.81 1986 2.61 1987 1.74 1988 2.21 1989 1.92 1990 1.78 1991 0.95 1992 3.09 1993 1.98 1994 2.27 1995 2.01 1996 2.57 61-90 AVERAGE: 2.26 Station : ONIDA 4 NW, SD6292 1961 3.11 1962 5.35 1963 2.89 1964 1.80 1965 1.26 1966 7.02 1967 2.26 1968 0.02 1969 3.50 1970 0.04 1971 0.79 1972 4.26 1973 3.46 1974 2.01 1975 2.87 1976 0.86 1977 2.49 1978 3.12 1979 4.96 1980 2.62 1981 4.51 1982 2.82 1983 6.54 1984 3.25 1985 3.97 1986 4.05 1987 2.17 1988 3.66 1989 2.27 1990 4.73 1991 2.18 1992 3.70 1993 3.88 1994 2.70 1995 2.11 1996 3.08 61-90 AVERAGE: 3.09 Station : MISSION, SD5620 1966 5.07 1967 1.84 1968 2.48 1969 2.51 1970 1.97 1971 0.74 1972 7.98 1973 3.28 1974 2.27 1975 3.01 1976 4.25 1977 4.26 1978 4.07 1979 2.80 1980 3.54 1981 4.83 1982 4.55 1983 3.47 1984 2.49 1985 4.17 1986 3.98 1987 2.09 1988 1.24 1989 1.96 1990 2.55 1991 1.74 1992 3.20 1993 3.07 1994 4.24 1995 2.28 1996 1.94 61-90 AVERAGE: 3.26 Station : MISSION 14 S, SD5638 1961 3.10 1962 1.53 1963 1.60 1964 1.83 1965 1.22 1966 6.04 1967 1.56 1968 3.46 1969 3.63 1970 2.54 1971 0.68 1972 7.76 1973 3.60 1974 2.83 1975 2.37 1976 2.16 1977 4.06 1978 4.59 1979 2.87 1980 5.46 1981 5.41 1982 0.05 1984 2.94 1985 5.53 1986 2.19 1987 5.03 1988 1.65 1989 1.70 1990 2.75 1991 3.78 1992 3.57 1993 4.03 1994 3.10 1995 2.78 1996 1.74 61-90 AVERAGE: 3.11 Station : WINNER, SD9367 1961 6.13 1962 8.35 1963 4.78 1964 2.60 1965 1.96 1966 6.88 1967 2.91 1968 2.34 1969 2.13 1970 1.25 1971 1.27 1972 5.04 1973 4.28 1974 1.31 1975 2.96 1976 2.71 1977 4.37 1978 3.09 1979 4.69 1980 4.77 1981 6.52 1982 4.85 1983 2.90 1984 4.79 1985 6.43 1986 4.23 1987 3.51 1988 2.24 1989 2.77 1990 3.21 1991 2.73 1992 6.65 1993 2.77 1994 5.11 1995 2.01 1996 2.04 61-90 AVERAGE: 3.84 Station : MARION, SD5228 1961 1.66 1962 3.20 1963 7.61 1964 2.39 1965 3.97 1966 4.91 1967 2.67 1968 5.12 1969 2.67 1970 1.01 1971 1.07 1972 3.90 1973 2.06 1974 2.38 1975 9.91 1976 2.50 1977 4.18 1978 7.66 1979 5.55 1980 3.63 1981 3.47 1982 2.24 1983 4.16 1984 2.67 1985 5.84 1986 4.18 1987 2.48 1988 5.38 1989 4.94 1990 3.76 1991 3.17 1992 6.94 1993 6.43 1994 3.22 1995 2.46 1996 5.98 61-90 AVERAGE: 3.91 Station : MOBRIDGE, SD5691 1961 1.94 1962 2.32 1963 3.40 1964 3.04 1965 1.47 1966 5.77 1967 1.52 1968 1.75 1969 2.04 1970 1.87 1971 1.56 1972 1.79 1973 1.61 1974 1.94 1975 1.89 1976 0.46 1977 1.82 1978 3.89 1979 3.73 1980 2.34 1981 6.48 1982 1.24 1983 3.63 1984 1.08 1985 3.84 1986 4.37 1987 3.33 1988 0.72 1989 0.93 1990 4.89 1991 1.29 1992 4.73 1993 3.44 1994 1.38 1995 2.04 1996 1.79 61-90 AVERAGE: 2.56 Station : SELBY, SD7545 1961 2.55 1962 3.04 1963 4.73 1964 1.69 1965 2.70 1966 5.44 1967 1.08 1968 1.58 1969 1.95 1970 2.50 1971 1.41 1972 2.59 1973 1.81 1974 3.60 1975 1.40 1976 1.41 1977 2.75 1978 4.12 1979 3.63 1980 2.85 1981 4.63 1982 1.55 1983 5.27 1984 1.01 1985 3.76 1986 5.24 1987 3.86 1988 1.72 1989 2.94 1990 5.38 1991 1.38 1992 5.57 1993 5.23 1994 1.46 1995 2.39 1996 2.49 61-90 AVERAGE: 2.94 Station : YANKTON 2 E, SD9502 1961 4.04 1962 3.34 1963 7.00 1964 4.12 1965 8.19 1966 7.84 1967 2.55 1968 3.31 1969 2.97 1970 1.32 1971 0.37 1972 9.34 1973 2.28 1974 3.82 1975 4.70 1976 5.33 1977 4.80 1978 6.15 1979 4.80 1980 3.69 1981 5.12 1982 1.52 1983 4.12 1984 2.82 1985 5.84 1986 2.81 1987 3.33 1988 3.92 1989 6.57 1990 2.98 1991 4.45 1992 7.07 1993 6.21 1994 3.99 1995 8.09 1996 6.70 61-90 AVERAGE: 4.30 Station : DUPREE, SD2429 1961 3.30 1962 1.64 1963 1.81 1964 2.41 1965 1.56 1966 3.84 1967 2.46 1968 2.42 1969 2.31 1970 2.03 1971 0.69 1972 1.76 1973 0.79 1974 3.02 1975 2.05 1976 1.49 1977 2.34 1978 3.92 1979 3.14 1980 2.58 1981 5.09 1982 3.73 1983 2.31 1984 3.15 1985 3.09 1986 3.25 1987 6.43 1988 0.74 1989 1.66 1990 2.29 1991 1.90 1992 4.44 1993 2.45 1994 1.45 1995 1.99 1996 1.07 61-90 AVERAGE: 2.58 Station : DUPREE 15 SSE, SD2446 1963 2.02 1964 2.22 1965 1.67 1966 2.56 1967 3.30 1968 4.00 1969 2.86 1970 2.82 1971 0.72 1972 3.24 1973 0.94 1974 2.14 1975 2.31 1976 1.08 1977 1.17 1978 3.91 1979 2.87 1980 2.28 1981 4.81 1982 5.05 1983 2.60 1984 2.15 1985 2.26 1986 1.97 1987 7.71 1988 0.28 1989 2.03 1990 3.70 1991 3.20 1992 6.38 1993 4.40 1994 0.59 1995 1.26 1996 3.21 61-90 AVERAGE: 2.67 Station : GLAD VALLEY 2 W, SD3316 1961 2.27 1962 2.44 1963 2.65 1964 2.14 1965 1.63 1966 3.53 1967 0.58 1968 4.07 1969 1.04 1970 2.42 1971 0.19 1972 2.30 1973 0.83 1974 3.74 1975 1.46 1976 0.94 1977 2.01 1978 0.52 1979 2.81 1980 2.27 1981 4.36 1982 1.32 1983 3.26 1985 3.36 1986 4.26 1987 8.22 1988 0.60 1989 0.68 1990 1.68 1991 1.34 1992 3.41 1993 4.42 1994 1.31 1995 1.04 1996 1.57 61-90 AVERAGE: 2.33