1989 04 37.00  14.94  25.97 
1989 06 39.87 -99.99 -99.99 
1989 07 37.30 -99.99 -99.99 
1989 08 33.74 -99.99 -99.99 
1989 11 30.94 -99.99 -99.99 
1989 12 26.90 -99.99 -99.99 
1990 01 28.08 -99.99 -99.99 
1990 05 38.80 -99.99 -99.99 
1990 06 40.91 -99.99 -99.99 
1990 07 34.78 -99.99 -99.99 
1990 08 36.34 -99.99 -99.99 
1990 09 34.99 -99.99 -99.99 
1990 10 34.63 -99.99 -99.99 
1990 11 31.86 -99.99 -99.99 
1990 12 26.40 -99.99 -99.99 
1991 01 25.75 -99.99 -99.99 
1992 07 37.34 -99.99 -99.99 
1992 10 36.93 -99.99 -99.99 
1992 11 30.84 -99.99 -99.99 
1993 02 27.43  11.77  19.60 
1993 03 31.37  11.19  21.28 
1993 04 36.04  13.66  24.85 
1993 05 37.02  18.02  27.52 
1993 06 41.04  23.11  32.07 
1993 07 35.78  23.72  29.75 
1993 08 35.03  23.72  29.37 
1993 09 33.39  22.09  27.74 
1993 10 34.06  18.37  26.22 
1993 11 28.84  14.97  21.90 
1993 12 28.01  12.49  20.25 
1994 01 29.57   9.31  19.44 
1994 02 29.79   9.17  19.48 
1994 03 32.27  12.61  22.44 
1994 04 35.65  14.66  25.15 
1994 05 38.49  16.89  27.69 
1994 06 38.84  24.36  31.60 
1994 07 37.09 -99.99 -99.99 
1994 08 35.37  23.48  29.42 
1994 09 36.00  22.46  29.23 
1994 10 35.04  18.21  26.63 
1994 11 32.33  14.62  23.47 
1994 12 26.38  13.45  19.91 
1995 01 27.56   9.09  18.32 
1995 02 29.66  13.16  21.41 
1995 03 32.82  12.00  22.41 
1995 04 34.71  12.00  23.35 
1995 05 37.45  17.12  27.29 
1995 06 40.64  22.01  31.32 
1995 07 38.08 -99.99 -99.99 
1995 11 33.29 -99.99 -99.99 
1995 12 29.02 -99.99 -99.99 
1996 01 29.67   8.09  18.88 
1996 02 32.52  11.42  21.97 
1996 04 35.29  14.17  24.73 
1996 06 40.75  24.00  32.37 
1996 07 35.46  23.38  29.41 
1996 08 34.37  22.87  28.62 
1996 10 34.93  17.87  26.41 
1996 11 32.96  11.63  22.29 
1997 05 37.62  18.42  28.02 
1997 06 38.40  23.30  30.85 
1997 08 35.89  23.43  29.66 
1997 09 35.32  23.81  29.56 
1997 10 34.73  18.24  26.48 
1998 06 41.00  23.92  32.46 
1998 08 34.80  24.27  29.53 
1998 09 34.23  24.38  29.30 
1998 11 32.88  14.78  23.83 
2005 09 39.14  23.37  31.25 
2006 05 40.41  18.00  29.21 
2006 11 35.39  12.88  24.13 
2009 11 34.08  12.56  23.32 
2010 09 37.12  22.66  29.89 
2011 09 38.80  22.52  30.66 
2011 10 39.41  18.11  28.76 
2012 06 41.52  23.92  32.72 
2012 08 36.86  23.45  30.15 
2013 06 41.31  23.95  32.63 
