1977 11 30.40  20.50  25.45 
1978 01 31.50 -99.99 -99.99 
1978 04 31.00  23.30  27.15 
1978 06 29.80 -99.99 -99.99 
1978 07 99.99  20.20 -99.99 
1978 08 30.40 -99.99 -99.99 
1978 09 30.60  20.29  25.45 
1978 10 99.99  20.70 -99.99 
1978 11 99.99  22.20 -99.99 
1978 12 31.90 -99.99 -99.99 
1979 02 99.99  24.00 -99.99 
1979 03 32.20  23.50  27.85 
1979 05 99.99  22.80 -99.99 
1979 06 99.99  22.20 -99.99 
1979 07 29.90  20.10  25.00 
1979 08 30.60  20.60  25.60 
1979 09 31.30  21.70  26.50 
1979 10 31.30  22.20  26.75 
1979 11 31.30  21.40  26.34 
1979 12 31.90 -99.99 -99.99 
1980 01 33.50 -99.99 -99.99 
1980 04 33.00 -99.99 -99.99 
1980 05 99.99  23.50 -99.99 
1980 06 30.60  22.00  26.30 
1980 07 99.99  19.90 -99.99 
1980 08 30.30  20.10  25.20 
1980 09 30.80  20.29  25.55 
1980 10 30.80  21.90  26.34 
1980 11 30.50  21.10  25.80 
1980 12 31.90 -99.99 -99.99 
1981 04 32.70  23.70  28.20 
1981 05 31.20  21.60  26.40 
1981 06 30.20  20.90  25.55 
1981 07 29.40  21.10  25.25 
1981 08 29.30  20.10  24.70 
1981 09 31.20  21.10  26.15 
1981 10 31.20 -99.99 -99.99 
1981 11 31.40  21.80  26.59 
1981 12 32.59  22.60  27.59 
1982 02 32.00 -99.99 -99.99 
1982 03 32.90 -99.99 -99.99 
1982 04 33.09 -99.99 -99.99 
1982 05 31.90 -99.99 -99.99 
1982 06 31.60 -99.99 -99.99 
1982 08 30.80 -99.99 -99.99 
1989 08 29.50 -99.99 -99.99 
1989 09 30.20  19.00  24.60 
1989 12 99.99  21.90 -99.99 
1991 06 99.99  21.90 -99.99 
1991 08 29.90  20.70  25.30 
1991 09 29.90  20.20  25.05 
1991 10 31.00  21.40  26.20 
1991 11 31.50  22.30  26.90 
1991 12 99.99  23.20 -99.99 
1992 01 99.99  24.00 -99.99 
1992 02 99.99  23.90 -99.99 
1992 03 99.99  24.30 -99.99 
1992 04 34.30  24.40  29.34 
1992 05 33.50  24.30  28.90 
1992 06 31.40  23.00  27.20 
1992 07 29.20  21.10  25.15 
1992 08 29.00  20.40  24.70 
1992 09 29.20  20.50  24.85 
1992 10 29.90  21.00  25.45 
1992 11 29.70  21.50  25.60 
1992 12 99.99  22.40 -99.99 
1993 01 31.50  23.30  27.40 
1993 02 31.00  23.30  27.15 
1993 03 32.50  24.10  28.30 
1993 04 32.40  24.20  28.30 
1993 05 32.00  23.70  27.85 
1993 06 30.60  22.70  26.65 
1993 07 29.80  21.40  25.59 
1993 08 30.00  20.60  25.30 
1993 09 30.90  20.90  25.90 
1993 10 30.40  20.90  25.65 
1993 11 30.50  21.40  25.95 
1993 12 32.50  22.00  27.25 
1994 01 99.99  22.70 -99.99 
1994 02 99.99  23.20 -99.99 
1994 03 99.99  23.80 -99.99 
1994 04 31.50  23.70  27.60 
1994 05 30.80  23.30  27.05 
1994 06 99.99  21.70 -99.99 
1994 07 99.99  19.40 -99.99 
1994 08 99.99  19.29 -99.99 
1994 09 30.20  19.50  24.85 
1994 10 30.10  21.80  25.95 
1994 11 30.30  21.90  26.09 
1994 12 31.60  23.00  27.30 
1995 01 31.30  23.70  27.50 
1995 02 99.99  23.80 -99.99 
1995 03 99.99  23.70 -99.99 
1995 04 99.99  24.10 -99.99 
1995 05 31.80  23.50  27.65 
1995 06 99.99  22.20 -99.99 
1995 07 99.99  21.60 -99.99 
1995 08 30.60  20.90  25.75 
1995 09 99.99  20.90 -99.99 
1995 10 99.99  21.50 -99.99 
1995 11 99.99  21.40 -99.99 
1995 12 31.90  22.00  26.95 
1996 01 99.99  23.40 -99.99 
1996 02 99.99  23.30 -99.99 
1996 03 99.99  23.70 -99.99 
1996 04 99.99  22.60 -99.99 
1996 05 31.40  22.70  27.05 
1996 06 99.99  20.40 -99.99 
1996 07 99.99  19.70 -99.99 
1996 08 99.99  20.10 -99.99 
1996 09 99.99  20.60 -99.99 
1996 10 99.99  20.29 -99.99 
1996 11 99.99  20.90 -99.99 
1996 12 99.99  22.70 -99.99 
1997 01 99.99  23.00 -99.99 
1997 02 99.99  23.40 -99.99 
1997 03 99.99  24.10 -99.99 
1997 04 99.99  23.60 -99.99 
1997 05 99.99  24.30 -99.99 
1997 06 99.99  24.30 -99.99 
1997 07 99.99  24.20 -99.99 
1997 08 99.99  24.00 -99.99 
1997 09 99.99  24.00 -99.99 
1997 10 99.99  24.40 -99.99 
1997 11 99.99  24.30 -99.99 
1997 12 99.99  24.60 -99.99 
1998 01 99.99  25.20 -99.99 
1998 02 99.99  25.20 -99.99 
1998 03 99.99  25.00 -99.99 
1998 04 99.99  24.90 -99.99 
1998 05 99.99  24.90 -99.99 
1998 06 99.99  23.70 -99.99 
1998 07 99.99  22.50 -99.99 
1998 08 99.99  21.20 -99.99 
1998 09 99.99  21.30 -99.99 
1998 10 99.99  21.00 -99.99 
1998 11 99.99  21.30 -99.99 
1998 12 99.99  22.10 -99.99 
1999 01 99.99  22.90 -99.99 
1999 02 99.99  22.90 -99.99 
1999 03 99.99  23.60 -99.99 
1999 04 99.99  22.80 -99.99 
1999 05 99.99  22.50 -99.99 
1999 06 99.99  19.60 -99.99 
1999 07 99.99  19.20 -99.99 
1999 08 99.99  18.29 -99.99 
1999 09 99.99  19.60 -99.99 
1999 10 99.99  20.40 -99.99 
1999 11 99.99  20.40 -99.99 
1999 12 99.99  21.60 -99.99 
2000 01 99.99  21.40 -99.99 
2000 02 99.99  22.00 -99.99 
2000 03 99.99  22.30 -99.99 
2000 04 99.99  22.20 -99.99 
2000 05 99.99  21.10 -99.99 
2000 06 99.99  19.79 -99.99 
2000 07 99.99  18.60 -99.99 
2000 08 99.99  18.50 -99.99 
2000 09 99.99  19.00 -99.99 
2000 10 99.99  20.10 -99.99 
2000 11 99.99  19.50 -99.99 
2000 12 99.99  21.40 -99.99 
