1978 04 13.07 -99.99 -99.99 
1979 04 12.12 -99.99 -99.99 
1981 02 99.99  -4.73 -99.99 
1981 05 99.99  10.18 -99.99 
1981 06 99.99  18.73 -99.99 
1981 08 99.99  18.21 -99.99 
1987 10 99.99   3.20 -99.99 
1989 05 99.99  10.24 -99.99 
1991 02 99.99 -10.76 -99.99 
1991 10 16.52 -99.99 -99.99 
1995 06 28.89  16.60  22.74 
1995 07 27.06  16.52  21.79 
1995 08 25.67  15.24  20.45 
1995 10 12.80   5.20   9.00 
1995 11  4.60    .52   2.56 
1995 12 -1.64  -7.78  -4.71 
1996 02 -4.08  -9.75  -6.91 
1996 04 13.10   3.40   8.25 
1996 05 25.30  13.00  19.15 
1996 07 31.06  16.81  23.93 
1996 10 12.11   2.82   7.46 
1996 11  7.14   2.14   4.64 
1996 12 -2.44  -8.31  -5.37 
1997 02 -3.33  -9.75  -6.54 
1997 04 12.97   2.78   7.87 
1997 05 22.81  10.43  16.61 
1997 06 25.76  14.92  20.34 
1997 08 27.00  14.58  20.79 
1998 03  3.58  -1.53   1.02 
1998 04 15.75   5.18  10.46 
1998 05 21.16   9.50  15.33 
1998 06 31.02  17.67  24.34 
1998 07 30.63  17.56  24.09 
1998 08 29.14  15.59  22.36 
1998 09 22.59   8.68  15.64 
1998 10 14.05   3.20   8.62 
1998 11  1.46  -5.29  -1.91 
1998 12  -.97  -6.36  -3.66 
1999 02  1.23  -4.05  -1.41 
1999 06 28.68  15.60  22.14 
1999 07 31.47  17.69  24.58 
1999 08 29.12  16.00  22.56 
1999 10 13.92   4.64   9.28 
1999 11  -.37  -7.47  -3.91 
1999 12  2.85  -1.65    .59 
2000 01 -2.08  -7.77  -4.92 
2000 02  1.80  -3.00   -.60 
2000 03  4.56  -2.92    .81 
2000 05 18.49   5.94  12.21 
2000 06 25.14  13.47  19.30 
2000 07 28.47  18.19  23.33 
2000 08 27.17  14.28  20.72 
2000 09 20.70   8.89  14.79 
2000 10 13.58   1.90   7.74 
2000 11  3.80  -3.57    .11 
2000 12  1.90  -2.23   -.16 
2001 01  1.65  -3.44   -.89 
2001 02   .-8  -6.08  -3.08 
2001 03  7.16  -1.91   2.62 
2001 04 16.43   6.25  11.34 
2001 05 18.84   9.38  14.11 
2001 06 22.95  13.45  18.20 
2001 07 33.23  18.83  26.03 
2001 08 28.51  14.91  21.71 
2001 09 21.56  10.68  16.11 
2001 10 10.97   2.69   6.83 
2001 11  6.03  -1.20   2.41 
2001 12 -4.67 -11.85  -8.26 
2002 01 -2.29  -6.57  -4.43 
2002 02  5.46   -.72   2.36 
2002 03  8.92   -.83   4.04 
2002 04 13.82   1.04   7.43 
2002 05 20.98   6.37  13.67 
2002 07 32.68  20.81  26.74 
2002 08 27.32  14.03  20.67 
2002 09 23.80  13.35  18.57 
2002 10 11.10   4.91   8.00 
2002 11  6.03    .62   3.32 
2002 12 -6.87 -12.90  -9.88 
2003 01 -1.20  -6.57  -3.88 
2003 02 -5.68 -12.17  -8.92 
2003 03  1.31  -4.21  -1.45 
2003 04 12.57   1.43   7.00 
2003 05 24.78  11.48  18.13 
2003 07 27.17  17.39  22.28 
2003 08 27.26  15.52  21.39 
2003 09 20.34   9.77  15.05 
2003 10 13.37   4.57   8.97 
2003 11  3.58    .52   2.05 
2003 12  -.20  -3.90  -2.05 
2004 01  -.51  -4.28  -2.39 
2004 03  7.16    .61   3.88 
2004 04 13.71   3.52   8.61 
2004 05 20.00   9.93  14.96 
2004 06 23.63  12.80  18.21 
2004 07 26.24  14.69  20.46 
2004 08 28.56  16.73  22.64 
2004 09 23.50   9.66  16.58 
2004 10 13.40   4.80   9.10 
2004 11  6.47    .23   3.35 
2004 12   . 6  -3.82  -1.88 
2005 01   . 2  -3.27  -1.62 
2005 02 -4.14  -9.77  -6.95 
2005 03   .22  -4.96  -2.37 
2005 04 15.87   3.90   9.88 
2005 05 24.00  11.64  17.82 
2005 06 24.78  12.86  18.82 
2005 07 27.24  16.10  21.67 
2005 08 29.07  15.73  22.40 
2005 09 23.59  10.99  17.29 
2005 10 13.78   5.64   9.71 
2005 11  5.86   1.17   3.52 
2005 12  1.96  -2.23   -.13 
2006 02 -5.50 -12.52  -9.01 
2006 03  5.67  -1.48   2.09 
2006 04 14.32   5.61   9.96 
2006 05 21.54   9.82  15.68 
2006 06 26.92  16.36  21.64 
2006 07 27.40  14.64  21.02 
2006 08 32.82  18.24  25.53 
2006 09 22.95  10.71  16.83 
2006 10 14.78   7.18  10.98 
2006 11  4.73    .58   2.66 
2006 12  2.49  -1.26    .61 
2007 01  4.30    .-5   2.12 
2007 02   .44  -6.16  -2.86 
2007 03  7.69  -1.19   3.25 
2007 04 13.67   1.89   7.78 
2007 05 25.75  10.83  18.29 
2007 06 28.49  15.45  21.97 
2007 07 30.24  16.87  23.55 
2007 08 33.78  18.32  26.05 
2007 09 23.82  11.92  17.86 
2007 10 14.97   5.36  10.16 
2007 11  3.25  -3.48   -.11 
2007 12 -2.15  -6.30  -4.22 
2008 01 -5.62 -11.48  -8.54 
2008 02   .77  -5.24  -2.23 
2008 03  8.95   2.14   5.54 
2008 04 15.81   7.20  11.50 
2008 05 19.95   8.77  14.36 
2008 06 25.25  12.68  18.96 
2008 07 29.47  16.56  23.01 
2008 08 31.31  15.21  23.26 
2008 09 20.15   9.50  14.82 
2008 10 15.45   5.43  10.44 
2008 11  7.24  -1.38   2.92 
2008 12 -2.13  -6.52  -4.32 
2009 02  -.30  -3.82  -2.06 
2009 03  5.53   -.73   2.40 
2009 04 14.53    .16   7.34 
2009 05 20.12   9.37  14.74 
2009 06 29.05  15.47  22.26 
2009 07 31.42  17.78  24.60 
2009 08 25.93  12.65  19.29 
2009 09 23.24  10.29  16.76 
2009 10 16.37   5.83  11.10 
2009 11  6.22   2.05   4.13 
2009 12 -1.52  -5.31  -3.41 
2010 01 -5.37 -10.66  -8.01 
2010 02 -2.53  -6.97  -4.75 
2010 03  4.09  -2.43    .83 
2010 04 14.42   3.95   9.18 
2010 05 23.33  12.10  17.71 
2010 06 30.20  16.92  23.56 
2010 07 34.06  20.61  27.33 
2010 08 34.64  18.64  26.64 
2010 09 24.59  11.92  18.25 
2010 10 10.75   3.05   6.90 
2010 11 11.30   4.32   7.81 
2010 12  4.12    .-2   2.05 
2011 01 -2.69 -10.31  -6.50 
2011 02 -6.41 -13.35  -9.88 
2011 03  1.71  -5.77  -2.03 
2011 04 12.69   2.77   7.72 
2011 05 22.43  10.59  16.51 
2011 06 27.35  15.29  21.32 
2011 07 32.43  19.60  26.01 
2011 08 29.54  15.28  22.41 
2011 09 21.35   9.22  15.29 
2011 10 11.65   4.85   8.25 
2011 11   .98  -5.07  -2.04 
2011 12  2.02  -1.43    .29 
2012 01 -4.91  -8.85  -6.88 
2012 02 -9.47 -14.96 -12.21 
2012 03   .87  -4.96  -2.04 
2012 04 20.99   7.74  14.36 
2012 05 25.85  12.28  19.06 
2012 06 30.35  16.26  23.30 
2012 07 31.30  18.28  24.79 
2012 08 29.55  20.03  24.79 
2012 09 23.65  13.18  18.41 
2012 11 99.99    .68 -99.99 
2013 02   .17 -99.99 -99.99 
2013 03  4.98 -99.99 -99.99 
2013 08 99.99  18.29 -99.99 
