1981 01 10.78  -4.98   2.90 
1981 02 15.85   -.79   7.53 
1981 03 19.78   1.76  10.77 
1981 04 28.40  10.61  19.50 
1981 05 28.87  12.03  20.45 
1981 06 35.97  20.10  28.03 
1981 08 30.17  19.40  24.78 
2005 07 32.65  21.17  26.91 
2009 04 21.54   8.97  15.25 
2009 06 30.30  18.86  24.58 
2009 07 31.06  19.15  25.10 
2009 08 31.64  21.40  26.52 
2009 09 27.21  15.51  21.36 
2009 10 21.20   9.79  15.49 
2009 11 17.37   5.88  11.62 
2009 12 10.35   -.46   4.94 
2010 02  8.06  -1.78   3.14 
2010 03 17.76 -99.99 -99.99 
2010 05 27.60  15.11  21.35 
2010 06 32.84  21.03  26.93 
2010 07 33.09  21.26  27.18 
2010 08 32.04  21.34  26.69 
2010 09 31.38  17.41  24.39 
2010 10 23.61 -99.99 -99.99 
2010 11 16.69 -99.99 -99.99 
2010 12  6.92  -3.28   1.82 
2011 01  8.54 -99.99 -99.99 
2011 03 18.95 -99.99 -99.99 
2011 08 32.64 -99.99 -99.99 
2011 09 27.68 -99.99 -99.99 
2011 10 21.91 -99.99 -99.99 
2011 12 15.44 -99.99 -99.99 
2012 01 13.13 -99.99 -99.99 
2012 02 14.46 -99.99 -99.99 
2012 04 22.97   9.78  16.37 
2012 05 27.86  15.60  21.73 
2012 06 29.97  16.26  23.11 
2012 07 33.31  21.60  27.45 
2012 08 29.84  19.53  24.68 
2012 09 27.72  15.22  21.47 
2012 10 22.11   9.87  15.99 
2012 11 15.84    .39   8.11 
2012 12 15.44   3.06   9.25 
2013 01 11.94   -.13   5.90 
2013 02 10.79   -.85   4.96 
2013 03 13.62   2.08   7.85 
2013 04 21.97   8.33  15.15 
2013 05 25.59  12.96  19.27 
2013 07 31.03  20.59  25.81 
2013 08 27.65  19.10  23.37 
2013 09 27.76  15.11  21.43 
2013 10 21.23  10.95  16.09 
2014 02 12.83   1.55   7.19 
2014 03 20.66   6.25  13.45 
