g YEARN MONTHN H2OCONTN  1947 4 26.2 1948 5 23.8 1949 4 49.2 1950 4 28.1 1951 4 29.9 1952 4 58.4 1953 4 43.9 1954 4 48.7 1955 4 27.5 1956 4 50.7 1957 4 29.5 1958 4 84.6 1959 4 39.4 1960 4 39.7 1961 4 37.2 1962 4 45.5 1963 4 10.0 1964 4 22.1 1965 4 21.3 1966 2 30.5 1966 3 41.8 1966 4 46.7 1966 5 34.8 1967 2 27.1 1967 3 28.2 1967 4 40.2 1967 5 59.4 1968 2 18.2 1968 3 25.8 1968 4 29.5 1968 5 21.7 1969 2 43.2 1969 3 77.6 1969 4 61.5 1969 5 56.2 1970 2 31.7 1970 3 33.0 1970 4 20.7 1970 5 31.2 1971 2 29.2 1971 3 26.9 1971 4 36.5 1971 5 35.9 1972 2 25.5 1972 3 27.2 1972 4 21.7 1972 5 24.6 1973 2 30.9 1973 3 53.0 1973 4 58.5 1973 5 51.0 1974 2 24.6 1974 3 34.0 1974 4 38.3 1974 5 45.8 1975 2 17.2 1975 3 34.6 1975 4 58.2 1975 5 56.8 1976 2 10.4 1976 3 18.9 1976 4 21.9 1976 5 24.4 1977 2 4.1 1977 3 11.6 1977 4 14.6 1977 5 3.4 1978 2 37.4 1978 3 51.7 1978 4 58.8 1978 5 63.6 1979 2 9.4 1979 3 20.9 1979 4 29.6 1979 5 25.3 1980 2 21.8 1980 3 31.6 1980 4 33.9 1980 5 34.6 1981 2 17.3 1981 3 22.3 1981 4 30.0 1981 5 21.8 1982 2 19.4 1982 3 18.3 1982 5 36.3 1983 2 48.2 1983 4 83.0 1983 5.0 1983 6 76.8 1984 2 30.4 1984 3 38.2 1984 4 39.0 1984 5 22.9 1985 3 29.4 1985 4 36.5 1985 5 23.1 1986 2 29.7 1986 3 37.5 1986 4 46.1 1986 5 38.0 1987 2 18.3 1987 3 24.6 1987 4 30.5 1987 5 24.7 1988 2 25.3 1988 3 25.7 1988 4 19.5 1988 5 12.9 1989 2 14.6 1989 3 17.1 1989 4 27.8 1989 5 18.6 1990 3 13.4 1990 4 12.2 1990 5 0.0 1991 2 3.6 1991 3 7.4 1991 4 28.0 1991 5 22.5 1992 2 16.6 1992 3 30.1 1992 4 46.6 1992 5 31.2 1993 2 36.0 1993 3 51.0 1993 4 49.0 1993 5 45.9 1994 2 19.3 1994 3 24.8 1994 4 25.3 1994 5 18.3 1995 2 50.4 1995 4 59.2 1995 5 65.0 1996 2 24.3 1996 3 33.7 1996 4 29.7 1996 5 23.3 1997 2 20.1 1997 3 21.6 1997 4 17.8 1997 5 6.1 1998 2 35.1 1998 3 1998 4 80.0 1998 5 83.7 1999 2 19.8 1999 3 33.6 1999 4 49.0 1999 5 35.4 2000 2 18.6 2000 3 43.6 2000 4 50.2 2000 5 51.7 2001 2 14.2 2001 3 33.0 2001 4 34.6 2001 5 35.0 2002 3 34.0 2002 4 37.3 2002 5 26.1 2003 2 30.2 2003 3 37.7 2003 4 39.5 2003 5 52.7