1986 04 19.14 -99.99 -99.99 
1986 05 15.56   8.01  11.78 
1986 06 12.04   6.04   9.04 
1986 07 11.77   4.89   8.33 
1986 08 13.79   5.31   9.55 
1986 09 15.52   7.09  11.30 
1986 10 17.04   7.71  12.37 
1986 11 19.17   9.72  14.45 
1986 12 21.27  10.51  15.89 
1987 01 22.79  11.26  17.02 
1987 02 25.42 -99.99 -99.99 
1987 03 19.61   9.97  14.79 
1987 04 19.15   9.43  14.29 
1987 05 15.73   8.18  11.95 
1987 06 12.82   6.33   9.57 
1987 07 12.24   3.58   7.91 
1987 08 13.41   5.47   9.43 
1987 09 16.31   7.35  11.83 
1987 10 17.76   7.92  12.84 
1987 11 21.00  10.28  15.64 
1987 12 22.33  10.54  16.43 
1988 01 28.34  14.19  21.26 
1988 02 24.77  12.21  18.49 
1988 03 24.24  12.29  18.26 
1988 04 20.29  10.47  15.38 
1988 05 15.97   9.32  12.64 
1988 06 13.79   6.29  10.04 
1988 07 13.20   6.26   9.72 
1988 08 13.85   5.54   9.69 
1988 09 16.93   7.39  12.16 
1988 10 18.31   9.22  13.77 
1988 11 19.68  10.14  14.91 
1988 12 23.33  12.87  18.10 
1989 01 23.44  12.78  18.11 
1989 02 26.03  13.57  19.79 
1989 03 24.12  13.45  18.78 
1989 04 19.44  10.97  15.20 
1989 05 16.20   8.91  12.56 
1989 06 12.20   4.90   8.55 
1989 07 12.03   4.90   8.46 
1989 08 11.98   4.71   8.34 
1989 09 16.02   6.53  11.27 
1989 10 17.01   6.44  11.72 
1989 11 21.06   9.80  15.43 
1990 01 26.13  12.24  19.18 
1990 04 19.39  11.49  15.44 
1990 05 16.17   7.27  11.72 
1990 06 13.03   6.11   9.57 
1990 07 12.92   5.89   9.40 
1990 08 12.90   5.92   9.41 
1990 09 15.81   6.60  11.20 
1990 10 18.57   9.13  13.85 
1990 11 20.96  10.79  15.87 
1990 12 23.72  12.43  18.07 
1991 01 24.15  14.40  19.27 
1991 02 25.32  12.32  18.82 
1991 03 23.57  10.45  17.01 
1991 04 18.71   9.26  13.99 
1991 05 15.76   7.65  11.70 
1991 06 14.77   7.92  11.34 
1991 07 12.43   5.78   9.10 
1991 08 12.77   5.53   9.15 
1991 09 14.65   6.67  10.66 
1991 10 19.37   8.67  14.02 
1991 11 20.01   8.77  14.39 
1991 12 21.43  11.41  16.42 
1992 01 21.46  11.76  16.61 
1992 02 23.57  12.49  18.02 
1992 03 23.51  13.80  18.65 
1992 04 19.82  10.24  15.03 
1992 05 15.62   7.86  11.74 
1992 06 12.36   5.62   8.99 
1992 07 13.05   5.27   9.16 
1992 08 12.77   4.42   8.59 
1992 09 13.02   5.46   9.24 
1992 10 18.20   8.34  13.27 
1992 11 18.54   9.29  13.91 
1992 12 22.18  12.79  17.48 
1993 01 25.10  13.94  19.52 
1993 02 24.45  13.75  19.10 
1993 03 22.06  12.02  17.04 
1993 04 21.15   9.97  15.56 
1993 05 15.98   7.97  11.97 
1993 06 12.41   6.40   9.40 
1993 07 13.78   5.41   9.59 
1993 08 15.36   6.36  10.86 
1993 09 15.56   6.98  11.27 
1993 10 17.62   7.99  12.81 
1995 10 16.23   7.65  11.94 
1995 11 19.37   9.47  14.42 
1995 12 20.07   9.70  14.88 
1996 01 23.52  13.43  18.47 
1996 02 22.18  12.83  17.50 
1996 04 17.00 -99.99 -99.99 
1996 05 15.90 -99.99 -99.99 
1996 07 12.40 -99.99 -99.99 
1996 08 13.30 -99.99 -99.99 
1996 09 16.60 -99.99 -99.99 
1996 10 20.10 -99.99 -99.99 
1996 12 20.50 -99.99 -99.99 
1997 04 20.60 -99.99 -99.99 
1997 05 15.50 -99.99 -99.99 
1997 06 14.20 -99.99 -99.99 
1997 07 12.10 -99.99 -99.99 
1997 09 15.70 -99.99 -99.99 
1997 11 21.90 -99.99 -99.99 
1997 12 24.70 -99.99 -99.99 
1998 02 27.90 -99.99 -99.99 
1998 03 25.00 -99.99 -99.99 
1998 05 16.10 -99.99 -99.99 
1998 06 13.00 -99.99 -99.99 
1998 08 14.80 -99.99 -99.99 
1998 09 17.79 -99.99 -99.99 
1998 10 17.00 -99.99 -99.99 
1999 03 22.90 -99.99 -99.99 
1999 05 17.50 -99.99 -99.99 
1999 06 14.10 -99.99 -99.99 
1999 07 14.10 -99.99 -99.99 
1999 08 15.60 -99.99 -99.99 
1999 09 18.29 -99.99 -99.99 
1999 10 19.40 -99.99 -99.99 
2000 03 24.30 -99.99 -99.99 
2000 05 15.90 -99.99 -99.99 
2000 07 13.10 -99.99 -99.99 
2000 08 14.30 -99.99 -99.99 
2000 10 18.00 -99.99 -99.99 
2000 11 22.60 -99.99 -99.99 
2001 01 28.50 -99.99 -99.99 
2001 05 15.80 -99.99 -99.99 
2001 07 13.50 -99.99 -99.99 
2001 08 14.30 -99.99 -99.99 
2001 09 17.29 -99.99 -99.99 
2001 10 17.79 -99.99 -99.99 
2002 01 22.50 -99.99 -99.99 
2002 04 21.80 -99.99 -99.99 
2002 05 17.29 -99.99 -99.99 
2002 07 13.90 -99.99 -99.99 
2002 08 14.40 -99.99 -99.99 
2002 10 19.20 -99.99 -99.99 
2002 12 24.10 -99.99 -99.99 
2003 01 28.80 -99.99 -99.99 
2003 05 17.00 -99.99 -99.99 
2003 06 14.40 -99.99 -99.99 
2003 07 13.70 -99.99 -99.99 
2003 08 14.20 -99.99 -99.99 
2003 09 15.60 -99.99 -99.99 
2003 10 15.60 -99.99 -99.99 
2003 12 27.50 -99.99 -99.99 
2004 03 24.00 -99.99 -99.99 
2004 04 20.60 -99.99 -99.99 
2004 05 14.90 -99.99 -99.99 
2004 06 14.30 -99.99 -99.99 
2004 07 12.00 -99.99 -99.99 
2004 08 14.40 -99.99 -99.99 
2004 09 16.10 -99.99 -99.99 
2004 10 20.20 -99.99 -99.99 
2004 11 21.00 -99.99 -99.99 
2005 05 17.00 -99.99 -99.99 
2005 06 15.00 -99.99 -99.99 
2005 08 14.80 -99.99 -99.99 
2005 09 16.40 -99.99 -99.99 
2005 10 19.60 -99.99 -99.99 
2005 11 24.20 -99.99 -99.99 
2006 03 25.20 -99.99 -99.99 
2007 06 12.10   4.41   8.25 
2012 02 24.58  13.54  19.06 
2012 03 20.92  11.33  16.12 
2013 01 28.05  12.54  20.29 
