1992 09 32.40 -99.99 -99.99 
1992 11 31.10  21.80  26.45 
1992 12 30.40  22.10  26.25 
1993 01 30.10 -99.99 -99.99 
1993 02 31.20  21.40  26.30 
1993 03 30.80  22.00  26.40 
1993 04 32.09  22.70  27.40 
1993 05 32.09  23.00  27.55 
1993 06 31.60  22.50  27.05 
1993 07 31.70  22.60  27.15 
1993 08 99.99  22.60 -99.99 
1993 09 32.09  22.60  27.34 
1993 10 31.70  22.70  27.20 
1993 11 31.70  22.90  27.30 
1993 12 31.90  23.00  27.45 
1994 01 99.99  22.70 -99.99 
1994 02 30.90  22.70  26.80 
1994 03 30.80  23.00  26.90 
1994 04 32.50  23.00  27.75 
1994 05 32.40  23.30  27.85 
1994 06 31.70  22.80  27.25 
1994 07 31.90  22.40  27.15 
1994 08 32.30  22.90  27.59 
1994 09 31.70  23.00  27.35 
1994 10 32.00  23.10  27.55 
1994 11 31.80  23.10  27.45 
1994 12 30.80  23.00  26.90 
1995 01 30.70  22.80  26.75 
1995 02 30.70  22.90  26.80 
1995 03 30.80  23.20  27.00 
1995 04 31.60  23.50  27.55 
1995 05 32.40  23.30  27.85 
1995 06 31.90  23.60  27.75 
1995 07 31.40  23.00  27.20 
1995 08 31.70  23.30  27.50 
1995 09 32.09  23.60  27.84 
1995 10 31.90  23.30  27.59 
1995 11 31.70  23.50  27.60 
1995 12 31.20  23.10  27.15 
1996 01 30.20  22.80  26.50 
1996 02 30.40  22.80  26.59 
1996 03 31.80  23.30  27.55 
1996 04 31.90  23.30  27.59 
1996 05 32.50  23.40  27.95 
1996 06 31.50  23.20  27.35 
1996 07 31.60  23.00  27.30 
1996 08 31.80  23.00  27.40 
1996 09 32.40  23.30  27.85 
1996 10 31.60  23.20  27.40 
1996 11 32.09  23.40  27.75 
1996 12 31.20 -99.99 -99.99 
1997 01 31.10  22.70  26.90 
1997 02 30.30  22.90  26.59 
1997 03 31.30  23.10  27.20 
1997 04 32.30  23.40  27.84 
1997 05 32.30  23.80  28.05 
1997 06 33.90  23.70  28.80 
1997 08 33.70  23.60  28.65 
1997 09 33.30  23.70  28.50 
1997 10 33.59  23.80  28.70 
1997 11 32.20 -99.99 -99.99 
1997 12 31.50 -99.99 -99.99 
1998 01 31.80 -99.99 -99.99 
1998 02 32.00  23.30  27.65 
1998 03 32.80  23.50  28.15 
1998 04 33.00  24.20  28.60 
1998 05 32.50  24.80  28.65 
1998 06 33.00  24.40  28.70 
1998 07 99.99  23.80 -99.99 
1998 08 99.99  23.70 -99.99 
1998 09 32.20  23.90  28.05 
1998 10 32.70  23.80  28.25 
1998 11 32.59  23.90  28.25 
1998 12 32.20  23.90  28.05 
1999 02 31.20 -99.99 -99.99 
1999 03 31.90 -99.99 -99.99 
1999 05 32.40 -99.99 -99.99 
1999 06 32.20  23.50  27.85 
1999 07 31.80  23.10  27.45 
1999 08 32.09  23.10  27.59 
1999 09 32.30  23.40  27.84 
1999 10 99.99  23.40 -99.99 
1999 11 32.20  -2.30  14.95 
