2000 12 14.96 -99.99 -99.99 
2001 01 14.11    .11   7.10 
2001 02 20.36   2.77  11.56 
2001 03 20.34   5.69  13.01 
2001 04 30.50  10.05  20.27 
2001 05 35.24 -99.99 -99.99 
2001 06 39.14  20.65  29.89 
2001 07 39.75  22.07  30.91 
2001 08 37.31  20.90  29.10 
2001 09 34.25  17.09  25.67 
2001 10 29.23 -99.99 -99.99 
2001 11 21.34 -99.99 -99.99 
2001 12 16.32   -.10   8.10 
2002 01 17.35   -.33   8.51 
2002 02 16.17    .-4   8.06 
2002 03 22.05   2.99  12.52 
2002 04 29.95  12.38  21.16 
2002 05 33.91  15.72  24.82 
2002 06 37.77  21.17  29.47 
2002 07 34.70 -99.99 -99.99 
2002 08 36.56  21.55  29.05 
2002 09 32.22  16.59  24.40 
2002 11 17.83   3.01  10.42 
2002 12 15.11    . 7   7.58 
2003 01 17.54  -1.55   7.99 
2003 02 17.42 -99.99 -99.99 
2003 03 23.52   5.18  14.35 
2003 05 34.13  13.97  24.05 
2003 06 35.21  18.79  27.00 
2003 07 35.75  19.50  27.62 
2003 09 31.45 -99.99 -99.99 
2003 10 27.85  11.39  19.62 
2003 12 17.64  -1.81   7.91 
2004 01 15.55    .15   7.85 
2004 02 15.90    . 5   7.97 
2004 03 23.62   7.10  15.36 
2004 04 25.57  10.12  17.84 
2004 05 33.68  15.28  24.48 
2004 06 35.43  18.92  27.18 
2004 07 35.66  20.50  28.08 
2004 08 33.49  19.78  26.63 
2004 11 16.70   4.78  10.74 
2004 12 14.76    .39   7.57 
2005 01 16.87   2.58   9.72 
2005 02 15.72   3.99   9.85 
2005 03 21.63   4.28  12.95 
2005 04 27.30   8.33  17.81 
2005 06 37.47  18.34  27.90 
2005 07 36.39  20.67  28.53 
2005 08 34.04  19.61  26.82 
2005 10 25.41  11.38  18.39 
2008 07 35.72  19.95  27.84 
2008 08 35.15 -99.99 -99.99 
2008 09 29.49  14.81  22.15 
2008 10 29.28   8.77  19.02 
2008 11 23.14    .58  11.86 
2008 12 18.73  -3.03   7.85 
2009 01 17.36  -3.16   7.10 
2009 02 22.40    .15  11.27 
2009 03 24.41   4.42  14.42 
2009 04 28.44   8.72  18.58 
2009 05 32.34  15.23  23.79 
2009 06 36.49  20.18  28.33 
2009 07 35.90  21.11  28.50 
2009 08 36.09  20.31  28.20 
2009 09 30.71  15.53  23.12 
2009 10 25.90   9.17  17.53 
2009 11 22.76   1.46  12.11 
2009 12 12.88  -2.54   5.17 
2010 01 15.51  -3.61   5.95 
2010 02 15.20   -.56   7.32 
2010 03 23.96   2.60  13.28 
2010 04 27.29   9.51  18.40 
2010 05 32.18  14.12  23.15 
2010 06 37.89  19.95  28.92 
2010 07 32.50  20.37  26.43 
2010 08 36.40  19.29  27.84 
2010 09 32.48  16.45  24.47 
2010 10 29.41   8.72  19.06 
2010 11 23.35   -.74  11.30 
2010 12 20.29  -1.95   9.17 
2011 01 17.04  -4.44   6.30 
2011 02 19.33  -3.34   7.99 
2011 03 28.41   4.31  16.36 
2011 04 32.75   7.69  20.22 
2011 05 33.73  11.32  22.52 
2011 06 40.36  18.29  29.32 
2011 07 38.83  21.33  30.08 
2011 08 40.91  22.21  31.56 
2011 09 35.48  16.75  26.11 
2011 10 30.72  10.81  20.76 
2011 11 22.15   1.74  11.94 
2011 12 12.43    .64   6.53 
2012 01 18.06  -1.00   8.53 
2012 02 18.73   -.16   9.28 
2012 03 27.42   8.12  17.77 
2012 05 30.49  10.97  20.73 
2012 06 38.98  19.59  29.28 
2012 07 36.18  20.16  28.17 
2012 08 37.68  19.85  28.77 
2012 09 32.18  15.13  23.65 
2012 10 27.76   9.74  18.75 
2012 11 23.44   3.86  13.65 
2012 12 18.95   -.34   9.30 
2013 01 14.73   -.86   6.93 
2013 02 20.54    .25  10.39 
2013 03 24.35   3.08  13.71 
2013 04 29.24   7.34  18.29 
2013 05 33.46  12.31  22.88 
2013 06 38.02  20.02  29.02 
2013 09 32.41  16.41  24.41 
2013 10 28.59   8.14  18.36 
2013 11 19.60   2.06  10.83 
2013 12 14.57  -1.47   6.55 
