1961 07 99.99  11.92 -99.99 
1964 03 -2.28 -99.99 -99.99 
1964 04  9.47    .80   5.13 
1964 05 16.56 -99.99 -99.99 
1964 06 25.54 -99.99 -99.99 
1964 09 16.69   7.22  11.95 
1964 10 11.05 -99.99 -99.99 
1966 05 21.11 -99.99 -99.99 
1966 10 11.98 -99.99 -99.99 
1966 11  2.22 -99.99 -99.99 
1967 03  4.01 -99.99 -99.99 
1967 04 10.77 -99.99 -99.99 
1969 09 17.12 -99.99 -99.99 
1969 10  9.93 -99.99 -99.99 
1974 09 18.23 -99.99 -99.99 
1978 04 10.32 -99.99 -99.99 
2005 09 19.44   9.32  14.38 
2005 10 12.22   3.13   7.67 
2006 02 -6.91 -99.99 -99.99 
2006 03   .64  -7.30  -3.33 
2006 04 12.46   1.80   7.13 
2006 05 18.01   6.71  12.36 
2006 06 22.31  11.15  16.73 
2006 07 26.57  14.00  20.28 
2006 08 22.21  14.26  18.23 
2006 09 19.42 -99.99 -99.99 
2006 10 12.46 -99.99 -99.99 
2006 11  4.13 -99.99 -99.99 
2007 02 -5.73 -99.99 -99.99 
2007 03  9.63   1.93   5.78 
2007 04 11.03   1.75   6.39 
2007 05 19.62   9.29  14.45 
2007 06 24.51  12.43  18.47 
2007 07 22.01  12.76  17.38 
2007 08 26.27  14.72  20.49 
2007 09 18.37   7.35  12.86 
2007 10  9.99   3.91   6.95 
2008 01  -.94 -99.99 -99.99 
2008 02  2.45 -99.99 -99.99 
2008 03  5.12  -1.16   1.98 
2008 04 14.72   4.35   9.53 
2008 05 16.12   6.34  11.23 
2008 06 21.49  10.22  15.85 
2008 07 23.26  12.88  18.07 
2009 01 -2.16 -99.99 -99.99 
2009 02 -2.33 -99.99 -99.99 
2009 03  3.22  -2.32    .45 
2009 04 14.07   2.34   8.21 
2009 05 18.00 -99.99 -99.99 
2009 06 20.37  11.62  15.99 
2009 07 23.36  13.30  18.33 
2009 08 21.78  10.74  16.26 
2009 09 18.90   9.05  13.97 
2009 10  8.18   2.55   5.36 
2009 11  4.90   1.86   3.38 
2010 02 -2.60 -99.99 -99.99 
2010 03  3.58  -4.32   -.37 
2010 04 13.75   3.43   8.59 
2010 05 20.20  10.07  15.14 
2010 06 23.22  13.35  18.28 
2010 07 27.96  17.73  22.84 
2010 08 25.81  15.75  20.78 
2010 09 16.79   8.06  12.42 
2010 10  8.59    .41   4.50 
2011 02 -5.70 -13.25  -9.47 
2011 03  3.96 -99.99 -99.99 
2011 04 14.19   2.56   8.37 
2011 05 19.20   8.02  13.61 
2011 11  4.26 -99.99 -99.99 
2012 02 -7.48 -15.07 -11.27 
2012 03  4.04  -3.01    .51 
2012 04 12.73   3.87   8.29 
2012 05 20.71   8.35  14.53 
2012 11  5.04 -99.99 -99.99 
2013 02   .30  -4.48  -2.08 
2013 03 -1.20  -9.43  -5.31 
2013 04 11.29   1.86   6.57 
2013 11  5.99 -99.99 -99.99 
2014 01 -6.20 -99.99 -99.99 
2014 02  1.11  -3.78  -1.33 
2014 03  9.54   1.14   5.34 
2014 04 13.67   2.40   8.03 
