1997 11 18.52 -99.99 -99.99 
1997 12 14.15   2.40   8.27 
1998 01 15.83   2.33   9.08 
1998 02 16.85   2.52   9.68 
1998 03 19.03   3.84  11.43 
1998 04 23.20   8.93  16.07 
1998 05 30.37  16.24  23.30 
1998 06 33.80  19.81  26.80 
1998 07 33.68  22.54  28.11 
1998 08 33.98  19.71  26.84 
1998 09 31.20  19.26  25.23 
1998 10 27.41  12.29  19.85 
1998 11 23.02   8.83  15.92 
1998 12 17.03   5.46  11.24 
1999 01 17.02    .76   8.89 
1999 02 18.02   2.71  10.36 
1999 03 20.34   4.17  12.26 
1999 04 27.22  11.68  19.45 
1999 05 27.28  12.95  20.11 
1999 06 29.92  18.95  24.43 
1999 07 32.86  21.54  27.20 
1999 08 35.00  21.73  28.36 
1999 09 30.72  16.79  23.75 
1999 10 25.84  11.80  18.82 
1999 11 22.34   7.50  14.92 
1999 12 16.33   2.07   9.20 
2000 01 14.34   1.92   8.13 
2000 02 19.67   2.62  11.14 
2000 03 22.19   7.73  14.96 
2000 04 23.13   8.49  15.81 
2000 05 29.65  15.29  22.47 
2000 06 32.55  18.43  25.49 
2000 07 34.34  20.71  27.52 
2000 08 34.37  19.98  27.17 
2000 09 28.22  17.17  22.69 
2000 10 26.62  10.18  18.40 
2000 11 19.37   7.18  13.28 
2001 01 13.25  -1.44   5.90 
2001 02 18.82   4.48  11.65 
2001 03 17.58   5.12  11.35 
2001 04 24.87  10.56  17.71 
2001 05 28.04  14.34  21.19 
2001 06 29.99  18.74  24.36 
2001 07 32.77  20.78  26.77 
2001 08 32.34  20.45  26.40 
2001 09 29.45  16.82  23.13 
2001 12 18.24   4.58  11.41 
2002 01 15.31   1.21   8.26 
2002 02 17.04 -99.99 -99.99 
2002 03 22.04   5.10  13.57 
2002 04 26.28  12.05  19.16 
2002 05 27.89 -99.99 -99.99 
2002 06 31.33  18.33  24.83 
2002 07 32.71  21.17  26.93 
2002 08 33.71  20.49  27.09 
2002 09 30.65  20.33  25.49 
2002 10 25.55  15.10  20.32 
2002 11 17.83   4.62  11.22 
2002 12 14.50   1.08   7.79 
2003 02 17.34   2.82  10.08 
2003 03 20.74   7.92  14.33 
2003 04 23.69   9.89  16.79 
2003 05 27.83  14.82  21.32 
2003 06 30.01  18.82  24.41 
2003 07 30.63  20.69  25.66 
2003 08 31.11  20.86  25.98 
2003 09 29.31  16.91  23.11 
2003 10 25.07  11.77  18.42 
2003 11 22.39   8.80  15.59 
2003 12 14.85    . 5   7.45 
2004 01 15.37    .11   7.74 
2004 02 13.09   2.04   7.56 
2004 03 23.31   5.32  14.31 
2004 04 24.59   7.98  16.28 
2004 05 29.43  16.76  23.09 
2004 06 29.95  19.76  24.85 
2004 07 32.18  21.13  26.65 
2004 08 31.39  19.78  25.58 
2004 09 28.40  18.25  23.32 
2004 10 26.27  14.22  20.24 
2004 11 21.39   7.54  14.46 
2004 12 15.55   1.14   8.34 
2005 01 15.29   2.71   9.00 
2005 02 17.20   4.48  10.84 
2005 03 19.07 -99.99 -99.99 
2005 04 24.06 -99.99 -99.99 
2005 06 99.99  19.94 -99.99 
2005 08 99.99  22.48 -99.99 
2005 09 31.78  19.76  25.77 
2005 10 25.85  13.26  19.55 
2005 11 21.25 -99.99 -99.99 
2005 12 14.29    .16   7.22 
2006 01 18.52   4.56  11.54 
2006 02 15.53   1.94   8.73 
2006 03 21.57   4.81  13.19 
2006 04 27.00  11.92  19.45 
2006 06 33.65  18.62  26.13 
2006 07 34.57  19.87  27.22 
2006 08 34.03  22.46  28.24 
2006 09 30.12  17.85  23.98 
2006 10 25.13   9.97  17.55 
2006 12 18.87   4.60  11.73 
2007 01 17.08   3.97  10.52 
2007 02 15.37   -.18   7.59 
2007 03 24.19   7.74  15.96 
2007 04 23.61   8.57  16.09 
2007 05 29.45  13.36  21.40 
2007 06 32.70  19.79  26.25 
2007 07 31.90 -99.99 -99.99 
2007 08 36.14  22.64  29.39 
2007 09 31.50 -99.99 -99.99 
2007 10 27.23  12.52  19.87 
2007 11 20.27   4.67  12.47 
2007 12 17.66   3.51  10.58 
2008 02 18.14   1.05   9.59 
2008 04 23.80   8.78  16.28 
2008 05 27.25  14.81  21.03 
2008 07 32.37 -99.99 -99.99 
2008 08 31.59  20.86  26.22 
2008 09 29.55  18.20  23.88 
2008 10 24.48  11.04  17.76 
2008 11 18.70 -99.99 -99.99 
2008 12 16.91   4.33  10.62 
2009 01 16.20   1.43   8.81 
2009 02 16.96    .85   8.91 
2009 03 21.02 -99.99 -99.99 
2009 04 23.01   8.05  15.53 
2009 06 32.63  20.33  26.48 
2009 07 32.90  20.11  26.50 
2009 08 31.95  20.79  26.37 
2009 09 29.48  19.70  24.59 
2009 10 24.05  12.62  18.33 
2009 11 19.35   6.54  12.94 
2009 12 13.18   1.52   7.35 
2010 01 11.82  -1.82   5.00 
2010 02 11.72    .-9   5.81 
2010 03 17.35   4.03  10.69 
2010 05 29.36  16.54  22.95 
2010 06 33.39  21.23  27.31 
2010 07 35.12  22.21  28.66 
2010 08 34.46  22.72  28.59 
2010 09 33.28  17.70  25.49 
2010 10 27.21  10.08  18.64 
2010 11 20.20   6.15  13.17 
2010 12 11.92  -1.57   5.17 
2011 01 11.81  -1.64   5.08 
2011 02 16.99   2.47   9.72 
2011 03 21.42   7.69  14.55 
2011 04 26.02  10.35  18.18 
2011 05 28.66  13.67  21.16 
2011 06 34.78  19.83  27.30 
2011 07 33.13 -99.99 -99.99 
2011 08 35.18  20.87  28.02 
2011 09 29.09  16.70  22.89 
2011 10 24.47   9.88  17.17 
2011 11 20.29   6.08  13.19 
2011 12 16.73   4.42  10.57 
2012 01 16.89   2.67   9.78 
2012 03 24.68  11.10  17.89 
2012 04 25.29  11.27  18.28 
2012 05 29.87 -99.99 -99.99 
2012 06 31.36  18.62  24.99 
2012 07 34.32  21.39  27.85 
2012 08 31.46  20.76  26.11 
2012 09 30.06  17.26  23.66 
2012 10 26.15  11.37  18.76 
2012 11 19.58   3.59  11.58 
2013 01 17.69   5.98  11.83 
2013 02 15.68   2.06   8.87 
2013 03 18.11   2.21  10.16 
2013 04 24.68   9.97  17.33 
2013 05 25.83  14.13  19.98 
2013 06 30.37  20.45  25.41 
2013 07 30.03  20.82  25.42 
2014 01  9.85  -4.04   2.91 
2014 04 23.36   9.39  16.38 
