1990 09 30.44  20.93  25.68 
1990 10 32.15 -99.99 -99.99 
1991 04 33.03  23.00  28.01 
1991 05 31.93 -99.99 -99.99 
1991 08 29.65 -99.99 -99.99 
1991 09 31.15 -99.99 -99.99 
1991 10 32.38  22.96  27.67 
1991 11 33.09 -99.99 -99.99 
1991 12 33.34 -99.99 -99.99 
1992 01 32.98 -99.99 -99.99 
1992 02 31.61 -99.99 -99.99 
1992 03 32.99  24.46  28.72 
1992 04 32.41 -99.99 -99.99 
1992 06 30.21 -99.99 -99.99 
1992 07 30.25 -99.99 -99.99 
1992 10 33.09 -99.99 -99.99 
1992 11 32.97  26.19  29.58 
1993 03 33.02 -99.99 -99.99 
1993 05 32.18  21.98  27.08 
1993 07 29.62 -99.99 -99.99 
1993 10 33.23  25.80  29.51 
1994 05 32.41  20.20  26.31 
1997 01 31.00  24.38  27.68 
1997 02 31.50  25.60  28.55 
1997 03 33.59  23.82  28.70 
1997 06 30.40  18.84  24.62 
1997 10 32.91 -99.99 -99.99 
1997 11 34.00  26.59  30.29 
1997 12 33.79  25.98  29.88 
1998 01 32.34  26.00  29.17 
1998 02 32.96  25.48  29.22 
1998 05 33.38  20.92  27.15 
1998 07 31.83  20.28  26.05 
1999 09 34.28 -99.99 -99.99 
