1957 07 31.30  16.29  23.80 
1957 08 33.40  16.79  25.10 
1957 09 34.50  18.50  26.50 
1957 10 33.20  18.79  26.00 
1957 11 32.30  19.00  25.65 
1957 12 32.80  19.50  26.15 
1958 01 32.80  19.29  26.05 
1958 02 32.50  19.50  26.00 
1958 03 31.70  18.40  25.05 
1958 04 32.20  18.79  25.50 
1958 05 31.40  19.10  25.25 
1958 06 31.70  16.50  24.10 
1958 09 33.59  21.30  27.45 
1958 10 32.50  21.80  27.15 
1958 11 31.80  22.20  27.00 
1958 12 33.20  22.20  27.70 
1960 01 32.40  22.10  27.25 
1960 02 32.70  21.50  27.10 
1960 03 32.70  21.10  26.90 
1960 04 30.70  20.50  25.60 
1960 05 30.60  20.20  25.40 
1960 06 31.30  20.00  25.65 
1960 07 31.10  18.70  24.90 
1960 08 32.09  20.90  26.50 
1960 09 99.99  19.90 -99.99 
1960 10 32.50  21.40  26.95 
1960 11 31.80  21.30  26.55 
1960 12 33.40  21.70  27.55 
1961 01 31.10  21.60  26.35 
1961 02 31.20  21.70  26.45 
1961 03 31.10  21.90  26.50 
1961 04 31.80  21.90  26.84 
1961 05 31.20  21.40  26.30 
1961 06 29.90  19.20  24.55 
1961 07 32.09  18.79  25.45 
1961 08 33.80  20.10  26.95 
1961 09 33.80  20.50  27.15 
1961 10 31.40  20.90  26.15 
1961 11 31.90  21.40  26.65 
1961 12 31.50  21.30  26.40 
1962 01 99.99  21.50 -99.99 
1962 02 31.50  20.80  26.15 
1962 03 31.80  22.00  26.90 
1962 04 31.10  21.20  26.15 
1962 05 29.90  20.60  25.25 
1962 06 30.20  18.70  24.45 
1962 07 29.90 -99.99 -99.99 
1962 08 32.59  19.79  26.20 
1962 09 33.70  20.90  27.30 
1962 10 31.90  21.20  26.55 
1962 11 33.00  21.90  27.45 
1962 12 33.50  22.30  27.90 
1963 01 32.50  22.20  27.35 
1963 02 31.40  21.70  26.55 
1963 03 30.90  22.10  26.50 
1963 04 30.80  22.00  26.40 
1963 05 31.00  21.10  26.05 
1963 06 31.10 -99.99 -99.99 
1963 07 31.40  20.40  25.90 
1963 08 33.09  21.10  27.09 
1963 09 33.50  21.60  27.55 
1963 10 32.70  22.00  27.35 
1963 11 32.09  22.40  27.25 
1963 12 31.70  22.30  27.00 
1964 01 99.99  22.40 -99.99 
1964 02 33.50 -99.99 -99.99 
1964 03 31.90 -99.99 -99.99 
1964 04 31.30  21.10  26.20 
1964 05 30.00 -99.99 -99.99 
1964 06 30.30  20.60  25.45 
1964 07 30.30 -99.99 -99.99 
1964 08 31.90  20.50  26.20 
1964 09 31.70  21.20  26.45 
1964 10 32.00  22.30  27.15 
1964 11 32.09 -99.99 -99.99 
1964 12 32.50  21.00  26.75 
1965 01 32.40  21.50  26.95 
1965 02 32.80  20.80  26.80 
1965 03 31.40  21.80  26.59 
1965 04 31.10  21.50  26.30 
1965 05 30.10  21.20  25.65 
1965 06 30.00  21.10  25.55 
1965 07 30.20  20.20  25.20 
1965 08 32.50  19.90  26.20 
1965 09 32.00  21.60  26.80 
1965 10 32.70  22.10  27.40 
1965 11 30.70  22.10  26.40 
1965 12 31.60  21.90  26.75 
1966 04 31.50  22.00  26.75 
1966 05 99.99  20.80 -99.99 
1966 06 99.99  19.60 -99.99 
1966 07 99.99  19.79 -99.99 
1966 08 99.99  19.90 -99.99 
1966 09 99.99  21.30 -99.99 
1966 11 99.99  22.20 -99.99 
1966 12 99.99  22.10 -99.99 
1973 03 99.99  22.60 -99.99 
1973 04 99.99  23.00 -99.99 
1973 12 99.99  21.60 -99.99 
1975 09 99.99  21.60 -99.99 
1975 10 33.50  21.80  27.65 
1975 11 32.40 -99.99 -99.99 
1975 12 31.10  21.90  26.50 
1976 01 30.90 -99.99 -99.99 
1976 02 32.00  21.80  26.90 
1976 03 31.30 -99.99 -99.99 
1976 04 30.50 -99.99 -99.99 
1976 05 31.10 -99.99 -99.99 
1976 06 30.80 -99.99 -99.99 
1976 08 31.70  20.70  26.20 
1976 09 31.40 -99.99 -99.99 
1976 10 31.80 -99.99 -99.99 
1976 11 32.20  22.40  27.30 
1976 12 31.70 -99.99 -99.99 
1977 01 32.80 -99.99 -99.99 
1977 02 30.70  22.20  26.45 
1977 03 30.30 -99.99 -99.99 
1977 04 31.50  22.60  27.05 
1977 05 31.10 -99.99 -99.99 
1977 06 30.80  21.50  26.15 
1977 07 31.70 -99.99 -99.99 
1977 08 32.40  21.90  27.15 
1977 09 32.59 -99.99 -99.99 
1977 10 32.30 -99.99 -99.99 
1977 11 31.90 -99.99 -99.99 
1977 12 32.09 -99.99 -99.99 
1978 01 31.80 -99.99 -99.99 
1978 02 32.80 -99.99 -99.99 
1978 03 31.50 -99.99 -99.99 
1978 04 31.40  22.50  26.95 
1978 05 31.00  22.60  26.80 
1978 06 31.60  21.80  26.70 
1978 07 31.30  21.80  26.55 
1978 08 31.80 -99.99 -99.99 
1978 09 32.09  22.00  27.05 
1978 10 32.90  22.50  27.70 
1978 11 32.90  22.80  27.85 
1978 12 31.60  22.70  27.15 
1979 01 33.59  23.10  28.34 
1979 02 32.80  23.10  27.95 
1979 03 31.40  22.50  26.95 
1979 05 32.30 -99.99 -99.99 
1979 06 31.00 -99.99 -99.99 
1979 07 30.80  20.60  25.70 
1979 08 33.80 -99.99 -99.99 
1979 11 32.30  22.60  27.45 
1979 12 32.50  23.20  27.85 
1980 01 33.90 -99.99 -99.99 
1980 02 34.00  23.50  28.75 
1980 06 99.99  22.30 -99.99 
1980 07 31.60 -99.99 -99.99 
1980 08 33.80  20.80  27.30 
1980 10 31.50  22.10  26.80 
1980 11 31.90 -99.99 -99.99 
1980 12 99.99  22.70 -99.99 
1981 01 33.40 -99.99 -99.99 
1981 06 30.30  21.80  26.05 
1981 07 31.20  20.29  25.75 
1981 08 32.50 -99.99 -99.99 
1981 11 99.99  22.90 -99.99 
1981 12 31.60 -99.99 -99.99 
1982 01 31.30 -99.99 -99.99 
1982 02 31.40 -99.99 -99.99 
1982 06 32.30 -99.99 -99.99 
1982 09 33.40 -99.99 -99.99 
1982 10 32.70 -99.99 -99.99 
1982 11 32.30 -99.99 -99.99 
1983 02 33.80 -99.99 -99.99 
1983 03 33.00 -99.99 -99.99 
1983 05 32.30 -99.99 -99.99 
1985 09 32.40 -99.99 -99.99 
1986 02 32.50 -99.99 -99.99 
1986 08 32.70 -99.99 -99.99 
1987 09 99.99  22.70 -99.99 
1987 12 32.90 -99.99 -99.99 
1988 03 31.70 -99.99 -99.99 
1988 04 32.59 -99.99 -99.99 
1988 08 33.90 -99.99 -99.99 
1988 09 33.50  22.30  27.90 
1989 04 99.99  21.60 -99.99 
1989 05 31.50 -99.99 -99.99 
1989 06 31.00 -99.99 -99.99 
1989 07 30.70 -99.99 -99.99 
1991 07 31.10 -99.99 -99.99 
1991 09 32.70 -99.99 -99.99 
1992 06 33.30 -99.99 -99.99 
1994 09 32.50 -99.99 -99.99 
1994 10 32.70  22.10  27.40 
1994 11 32.59  21.50  27.05 
1994 12 32.09  21.60  26.84 
1995 01 99.99  22.30 -99.99 
1995 04 32.50  22.40  27.45 
1995 05 32.00  21.30  26.65 
1995 06 31.90  21.50  26.70 
1995 07 32.20  21.90  27.05 
1995 08 99.99  22.00 -99.99 
1995 09 33.40  22.00  27.70 
1995 10 33.40 -99.99 -99.99 
1995 12 31.80  21.80  26.80 
1996 01 31.80  22.10  26.95 
1996 02 31.20  21.60  26.40 
1996 03 31.80  21.80  26.80 
1996 04 32.30  21.30  26.80 
1996 05 32.59  22.00  27.30 
1996 06 32.59  20.70  26.65 
1996 07 32.30  20.60  26.45 
1996 08 32.40  21.00  26.70 
1996 09 33.59  21.50  27.55 
1996 10 32.80  21.80  27.30 
1996 11 32.80  22.40  27.59 
1996 12 32.20  21.80  27.00 
1997 01 32.80  22.50  27.65 
1997 02 30.40  22.10  26.25 
1997 03 30.80  21.50  26.15 
1997 04 33.09  18.29  25.70 
1997 05 31.70  21.20  26.45 
1997 06 32.09  21.60  26.84 
1997 07 33.70  21.10  27.40 
1997 08 33.59  20.80  27.20 
1997 09 35.00  21.90  28.45 
1997 10 34.40  22.60  28.50 
1997 11 32.00  22.90  27.45 
1997 12 30.70  22.90  26.80 
1998 01 30.90  23.10  27.00 
1998 02 32.59  23.40  28.00 
1998 03 32.20  23.20  27.70 
1998 04 33.09  23.50  28.30 
1998 05 32.59  21.70  27.15 
1998 06 30.80  19.90  25.34 
1998 07 32.80  20.40  26.59 
1998 08 33.80  20.90  27.34 
1998 09 33.20 -99.99 -99.99 
1998 11 31.40  21.70  26.55 
1998 12 32.09  22.00  27.05 
1999 01 30.20  22.00  26.10 
1999 02 29.90  21.00  25.45 
1999 03 31.70  21.90  26.80 
1999 04 30.90  21.10  26.00 
1999 05 30.00  19.10  24.55 
1999 06 99.99  19.90 -99.99 
1999 07 99.99  18.79 -99.99 
1999 08 99.99  18.90 -99.99 
1999 09 99.99  20.80 -99.99 
1999 10 99.99  20.70 -99.99 
1999 11 99.99  21.30 -99.99 
1999 12 99.99  20.80 -99.99 
2000 02 99.99  21.60 -99.99 
2000 03 99.99  20.50 -99.99 
2000 04 99.99  20.40 -99.99 
2000 05 99.99  20.29 -99.99 
2000 06 99.99  20.80 -99.99 
2000 07 99.99  19.50 -99.99 
2000 08 32.59  20.40  26.50 
2000 09 33.30  21.30  27.30 
2000 10 33.20  21.40  27.30 
2000 11 33.30  22.70  28.00 
2000 12 32.30  22.10  27.20 
2001 01 31.40  21.40  26.40 
2001 02 31.60  21.30  26.45 
2002 08 33.00  19.79  26.40 
