1975 03 34.30 -99.99 -99.99 
1981 01 99.99 -99.99  26.40 
1981 02 99.99 -99.99  26.60 
1981 03 99.99 -99.99  27.40 
1981 04 99.99 -99.99  25.90 
1981 05 99.99 -99.99  25.00 
1981 06 99.99 -99.99  24.90 
1981 07 99.99 -99.99  24.00 
1981 08 99.99 -99.99  24.80 
1981 09 99.99 -99.99  24.70 
1981 10 99.99 -99.99  25.80 
1981 11 99.99 -99.99  26.40 
1981 12 99.99 -99.99  25.70 
1982 01 99.99 -99.99  25.70 
1982 02 99.99 -99.99  26.70 
1982 03 99.99 -99.99  27.10 
1982 04 99.99 -99.99  25.00 
1982 05 99.99 -99.99  25.40 
1982 06 99.99 -99.99  25.40 
1982 07 99.99 -99.99  24.40 
1982 08 99.99 -99.99  25.10 
1982 09 99.99 -99.99  26.60 
1982 10 99.99 -99.99  25.30 
1982 11 99.99 -99.99  25.00 
1982 12 99.99 -99.99  24.30 
1983 01 99.99 -99.99  24.80 
1983 02 99.99 -99.99  25.70 
1983 03 99.99 -99.99  27.70 
1983 04 31.00 -99.99  25.30 
1983 05 99.99 -99.99  24.70 
1983 06 99.99 -99.99  24.20 
1983 07 99.99 -99.99  23.70 
1983 08 99.99 -99.99  24.00 
1983 09 99.99 -99.99  24.60 
1983 10 99.99 -99.99  24.30 
1983 11 99.99 -99.99  25.10 
1983 12 31.20 -99.99  24.80 
1984 01 99.99 -99.99  26.30 
1984 02 99.99 -99.99  27.30 
1984 03 99.99 -99.99  28.70 
1984 04 99.99 -99.99  28.80 
1984 05 99.99 -99.99  28.00 
1984 06 99.99 -99.99  25.60 
1984 07 99.99 -99.99  24.60 
1984 08 31.30 -99.99  25.50 
1984 09 31.10 -99.99  25.60 
1984 10 99.99 -99.99  26.10 
1984 11 99.99 -99.99  25.60 
1984 12 99.99 -99.99  25.20 
1985 01 99.99 -99.99  25.60 
1985 02 99.99 -99.99  26.70 
1985 03 99.99 -99.99  27.70 
1985 04 99.99 -99.99  27.70 
1985 05 99.99 -99.99  26.90 
1985 06 99.99 -99.99  24.70 
1985 07 99.99 -99.99  24.00 
1985 08 30.20 -99.99  24.60 
1985 09 31.60 -99.99  25.60 
1985 10 31.60 -99.99  25.00 
1985 11 99.99 -99.99  25.70 
1985 12 99.99 -99.99  25.10 
1986 01 33.00 -99.99  25.70 
1986 02 33.59 -99.99  26.40 
1986 03 34.30 -99.99  27.60 
1986 04 32.70 -99.99  27.10 
1986 05 31.50 -99.99  26.00 
1986 06 99.99 -99.99  25.00 
1986 07 99.99 -99.99  24.80 
1986 08 31.30 -99.99  25.30 
1986 09 99.99 -99.99  25.00 
1986 10 99.99 -99.99  25.70 
1986 11 99.99 -99.99  25.60 
1986 12 32.70 -99.99  25.80 
1987 01 32.90 -99.99  26.10 
1987 02 34.70 -99.99  27.80 
1987 03 99.99 -99.99  28.00 
1987 04 33.70 -99.99  27.30 
1987 05 99.99 -99.99  26.10 
1987 06 31.00 -99.99  26.00 
1987 07 30.60 -99.99  25.70 
1987 08 99.99 -99.99  25.70 
1987 09 99.99 -99.99  26.40 
1987 10 32.20 -99.99  26.50 
1987 11 99.99 -99.99  27.80 
1987 12 99.99 -99.99  27.30 
1988 01 99.99 -99.99  26.80 
1988 02 35.40 -99.99  28.20 
1988 03 36.09 -99.99  29.30 
1988 04 35.20 -99.99  29.20 
1988 05 34.59 -99.99  28.60 
1988 06 99.99 -99.99  25.80 
1988 07 99.99 -99.99  25.70 
1988 08 30.50 -99.99  25.60 
1988 09 99.99 -99.99  26.10 
1988 10 99.99 -99.99  25.70 
1988 11 31.20 -99.99  25.30 
1988 12 31.80 -99.99  25.30 
1989 01 99.99 -99.99  25.50 
1989 02 99.99 -99.99  26.80 
1989 03 33.80 -99.99  27.30 
1989 04 34.70 -99.99  28.40 
1989 05 31.00 -99.99  26.10 
1989 06 31.00 -99.99  25.90 
1989 07 30.40 -99.99  25.20 
1989 08 31.60 -99.99  25.40 
1989 09 31.70 -99.99  25.90 
1989 10 31.40 -99.99  25.80 
1989 11 32.20 -99.99  26.40 
1989 12 31.70 -99.99  25.50 
1990 01 99.99 -99.99  26.60 
1990 02 99.99 -99.99  27.10 
1990 03 99.99 -99.99  27.70 
1990 04 99.99 -99.99  27.70 
1990 05 99.99 -99.99  26.20 
1990 06 99.99 -99.99  25.60 
1990 07 99.99 -99.99  25.20 
1990 08 99.99 -99.99  25.50 
1990 09 31.70 -99.99  26.00 
1990 10 99.99 -99.99  25.90 
1990 11 30.90 -99.99  25.80 
1990 12 99.99 -99.99  25.60 
1991 02 34.40 -99.99 -99.99 
1991 08 30.80 -99.99 -99.99 
1991 11 31.50 -99.99 -99.99 
1991 12 31.80 -99.99 -99.99 
1992 01 32.90 -99.99 -99.99 
1992 03 35.30 -99.99 -99.99 
1992 06 30.30 -99.99 -99.99 
1992 07 29.70 -99.99 -99.99 
1992 09 31.40 -99.99 -99.99 
1992 10 32.59 -99.99 -99.99 
1992 11 32.00 -99.99 -99.99 
1992 12 32.30 -99.99 -99.99 
1993 01 32.50 -99.99 -99.99 
1993 02 34.00 -99.99 -99.99 
1993 03 33.70 -99.99 -99.99 
1993 04 33.20 -99.99 -99.99 
1993 05 30.60 -99.99 -99.99 
1993 06 30.50 -99.99 -99.99 
1993 07 30.80 -99.99 -99.99 
1993 09 31.80 -99.99 -99.99 
1993 11 31.40 -99.99 -99.99 
1993 12 33.00 -99.99 -99.99 
1994 01 33.40 -99.99 -99.99 
1994 02 33.90 -99.99 -99.99 
1994 03 34.00 -99.99 -99.99 
1994 04 33.30 -99.99 -99.99 
1994 05 31.30 -99.99 -99.99 
1994 06 30.40 -99.99 -99.99 
1994 08 30.70 -99.99 -99.99 
1994 09 31.20 -99.99 -99.99 
1994 10 32.00 -99.99 -99.99 
1994 11 32.00 -99.99 -99.99 
1994 12 32.80 -99.99 -99.99 
1995 01 33.50  20.20  26.85 
1995 02 34.59  21.30  27.95 
1995 04 33.20  24.20  28.70 
1995 05 32.50  23.10  27.80 
1995 06 31.00  22.70  26.85 
1995 07 31.10  21.90  26.50 
1995 08 31.50  22.20  26.85 
1995 09 32.40  22.20  27.30 
1995 10 32.20  22.50  27.35 
1995 11 32.80  21.90  27.34 
1995 12 32.80  21.50  27.15 
1996 01 33.80  20.90  27.34 
1996 02 34.09  22.90  28.50 
1996 03 35.00  23.40  29.20 
1996 04 34.40  24.20  29.30 
1996 05 31.10  22.80  26.95 
1996 06 29.90  22.50  26.20 
1996 07 29.80  21.90  25.84 
1996 08 31.40  22.00  26.70 
1996 09 31.50  22.20  26.85 
1996 10 32.09  22.40  27.25 
1996 11 31.70  22.10  26.90 
1996 12 32.09  21.10  26.59 
1997 01 33.90  20.50  27.20 
1997 02 31.90  22.20  27.05 
1997 03 33.70  21.60  27.65 
1997 04 33.80  23.20  28.50 
1997 05 31.30  23.20  27.25 
1997 06 31.20  24.00  27.60 
1997 07 29.80  21.60  25.70 
1997 08 31.10  22.30  26.70 
1997 09 32.70  22.80  27.75 
1997 10 33.59  22.90  28.25 
1997 11 33.40  22.50  27.95 
1997 12 33.80  21.70  27.75 
1998 01 35.00  22.20  28.60 
1998 02 35.40  24.50  29.95 
1998 03 35.70  24.80  30.25 
1998 04 32.80  24.30  28.55 
1998 05 31.60  23.90  27.75 
1998 06 30.20  22.90  26.55 
1998 07 31.10  22.10  26.60 
1998 08 32.00  22.20  27.10 
1998 09 32.40  22.70  27.55 
1998 10 32.40  22.50  27.45 
1998 11 32.40  22.40  27.40 
1998 12 32.80  21.30  27.05 
1999 01 32.70  21.40  27.05 
1999 02 33.00  22.60  27.80 
1999 03 33.40  22.80  28.10 
1999 04 30.80  23.20  27.00 
1999 05 31.50  22.50  27.00 
1999 06 31.40  22.70  27.05 
1999 07 30.80  21.50  26.15 
1999 08 30.80  21.90  26.34 
1999 09 31.90  22.00  26.95 
1999 10 32.00  21.90  26.95 
1999 11 33.00  22.30  27.65 
1999 12 33.40  20.90  27.15 
2000 01 33.90  20.90  27.40 
2000 02 33.40  22.00  27.70 
2000 03 33.30  23.00  28.15 
2000 04 33.70  23.90  28.80 
2000 05 33.59  23.50  28.55 
2000 06 30.90  22.40  26.65 
2000 07 33.40  20.90  27.15 
2000 08 31.70  22.10  26.90 
2000 09 31.50  21.60  26.55 
2000 10 32.00  22.00  27.00 
2000 11 32.90  22.00  27.45 
2000 12 31.90  21.40  26.65 
2001 01 33.00  20.20  26.60 
2001 02 33.70  21.00  27.35 
2001 03 34.90  23.40  29.15 
2001 04 32.50 -99.99 -99.99 
2001 05 32.30  23.40  27.84 
2001 06 30.40  22.00  26.20 
2001 07 31.90  22.20  27.05 
2001 09 31.60  22.40  27.00 
2001 10 32.20  22.90  27.55 
2001 11 33.20  22.70  27.95 
2001 12 31.80  22.50  27.15 
2002 01 32.80  20.80  26.80 
2002 02 33.80  21.40  27.59 
2002 03 33.30  23.00  28.15 
2002 04 33.00  23.40  28.20 
2002 05 31.50  23.30  27.40 
2002 06 29.40  22.00  25.70 
2002 07 30.80  21.00  25.90 
2002 08 30.40  21.80  26.09 
2002 09 31.60  22.50  27.05 
2002 10 31.90  23.10  27.50 
2002 11 31.50  22.40  26.95 
2002 12 32.59  21.50  27.05 
2003 01 33.30  21.30  27.30 
2003 02 34.09  22.60  28.34 
2003 03 35.59  24.20  29.90 
2003 04 33.09  23.90  28.50 
2003 05 30.50  22.80  26.65 
2003 06 29.60  22.20  25.90 
2003 07 29.70  21.80  25.75 
2003 09 31.30  22.70  27.00 
2003 10 32.50  22.40  27.45 
2003 12 32.59  22.50  27.55 
2004 01 33.80  24.20  29.00 
2004 02 34.50  22.50  28.50 
2004 04 32.90  24.10  28.50 
2004 05 30.70  23.00  26.85 
2004 10 32.40  23.10  27.75 
