1969 06 27.20 -99.99 -99.99 
1969 09 21.60 -99.99 -99.99 
1969 10 14.05 -99.99 -99.99 
1970 05 20.12 -99.99 -99.99 
1970 06 22.76 -99.99 -99.99 
1970 07 28.53  16.45  22.49 
1970 08 23.96 -99.99 -99.99 
1974 09 21.20 -99.99 -99.99 
1975 12  2.57 -99.99 -99.99 
1976 08 25.38 -99.99 -99.99 
1976 11  6.50 -99.99 -99.99 
1976 12 99.99  -2.78 -99.99 
1979 09 25.20 -99.99 -99.99 
1981 07 29.19 -99.99 -99.99 
1981 09 99.99  12.69 -99.99 
1981 11 99.99    .92 -99.99 
1981 12 99.99    .32 -99.99 
1985 06 99.99  14.00 -99.99 
1985 08 99.99  16.60 -99.99 
1986 03 99.99  -2.99 -99.99 
1986 04 99.99   5.24 -99.99 
1986 05 99.99   8.51 -99.99 
1986 07 99.99  16.16 -99.99 
1987 06 99.99  15.05 -99.99 
1987 08 99.99  15.32 -99.99 
1989 07 99.99  17.52 -99.99 
1989 11  8.07 -99.99 -99.99 
1990 02  3.43 -99.99 -99.99 
1990 04 15.57 -99.99 -99.99 
1990 05 19.53 -99.99 -99.99 
1990 06 24.68 -99.99 -99.99 
1990 07 27.05 -99.99 -99.99 
1990 08 25.59 -99.99 -99.99 
1990 09 22.09 -99.99 -99.99 
1990 10 15.50 -99.99 -99.99 
1990 12  2.34 -99.99 -99.99 
1991 01  2.65 -99.99 -99.99 
1991 02 -3.04 -99.99 -99.99 
1991 03  5.43 -99.99 -99.99 
1991 04 15.12 -99.99 -99.99 
1991 05 19.93 -99.99 -99.99 
1991 06 26.61 -99.99 -99.99 
1991 07 28.96  17.81  23.38 
1991 08 25.61 -99.99 -99.99 
1991 09 21.51 -99.99 -99.99 
1991 10 17.44 -99.99 -99.99 
1991 11  6.60 -99.99 -99.99 
1992 03  4.90 -99.99 -99.99 
1992 04 12.64 -99.99 -99.99 
1992 06 22.64 -99.99 -99.99 
1992 07 24.49 -99.99 -99.99 
1992 08 26.36 -99.99 -99.99 
1992 09 20.07 -99.99 -99.99 
1992 10 15.24 -99.99 -99.99 
1992 12 -1.42 -99.99 -99.99 
1993 02  -.23 -99.99 -99.99 
1993 03  9.54   -.18   4.67 
1993 06 23.48 -99.99 -99.99 
1993 07 25.54 -99.99 -99.99 
1993 08 27.11 -99.99 -99.99 
1993 09 21.41 -99.99 -99.99 
1993 10 16.53 -99.99 -99.99 
1994 02 -3.38 -99.99 -99.99 
1994 09 25.36 -99.99 -99.99 
1994 10 16.82 -99.99 -99.99 
1997 09 20.62  12.81  16.71 
1997 10 19.32  11.87  15.59 
1997 11 16.15   6.78  11.46 
1998 02  7.14    .18   3.66 
1998 03 10.84   3.88   7.36 
1998 04 18.20  10.06  14.13 
1998 07 27.20  19.69  23.44 
1998 08 28.06  19.83  23.94 
1998 10 21.12  12.63  16.87 
1998 11 15.02   7.88  11.45 
1998 12 11.56   5.73   8.64 
1999 02 10.69   4.33   7.51 
1999 04 16.12   8.89  12.51 
1999 05 18.19  10.79  14.49 
1999 06 24.62  17.36  20.99 
1999 07 28.18  20.78  24.48 
1999 08 28.22  20.97  24.59 
1999 09 24.52  16.25  20.38 
1999 10 19.12  11.40  15.26 
1999 11 12.69   5.41   9.04 
1999 12 13.37   5.33   9.35 
2000 01  7.17   1.20   4.18 
2000 02  8.38   1.70   5.04 
2000 03 10.82   2.88   6.85 
2000 04 18.54  10.36  14.45 
2000 05 18.74  10.84  14.79 
2000 06 22.58  15.54  19.06 
2000 07 28.02  21.03  24.52 
2000 08 26.69  20.12  23.41 
2000 09 24.19  15.95  20.07 
2000 10 19.66  12.22  15.94 
2000 11 16.49   7.28  11.88 
2000 12 12.01   5.00   8.50 
2001 01 10.75   2.43   6.59 
2001 02  8.60   3.78   6.19 
2001 03 14.51   6.77  10.64 
2001 04 15.73   8.84  12.28 
2001 05 18.58  11.59  15.08 
2001 06 22.74  15.35  19.04 
2001 07 28.52  21.28  24.90 
2001 08 29.31  21.64  25.47 
2001 09 25.02  16.48  20.75 
2001 10 18.42  10.76  14.59 
2001 11 14.23   7.30  10.76 
2001 12 11.35   4.79   8.07 
2002 02 10.94   3.21   7.07 
2002 03 11.87   6.46   9.16 
2002 04 14.86   8.25  11.55 
2002 05 19.65  11.94  15.79 
2002 07 28.27  21.03  24.65 
2002 08 27.15  19.29  23.22 
2002 09 25.38  17.12  21.25 
2002 10 20.94  12.86  16.90 
2002 11 17.04   8.28  12.66 
2006 06 26.96  18.33  22.64 
2006 07 25.70  17.74  21.72 
2006 08 32.23  20.29  26.26 
2006 09 23.28  14.08  18.68 
2006 11  8.68   2.16   5.42 
2007 01  6.19   -.96   2.61 
2007 04 11.59   4.67   8.13 
2007 05 23.68  12.11  17.89 
2007 06 25.56  16.48  21.02 
2007 07 29.04  18.44  23.74 
2008 06 23.15  15.04  19.09 
2009 04 13.21   3.32   8.26 
2009 07 27.96  18.35  23.15 
2009 08 25.07  16.15  20.61 
2010 05 21.61  12.18  16.89 
2010 06 26.67  17.93  22.30 
2010 07 29.60  20.12  24.86 
2010 08 30.94  18.65  24.79 
2010 09 24.04  14.70  19.37 
2011 05 18.95  11.48  15.21 
2011 06 24.50  15.93  20.21 
2011 07 29.07  20.07  24.57 
2011 08 25.46  17.50  21.48 
2011 09 22.07  13.17  17.61 
2011 11  3.84  -3.16    .33 
2012 01 -2.07  -6.48  -4.27 
2012 02 -4.52 -11.93  -8.22 
2012 03  6.19  -2.06   2.06 
2012 04 20.71   9.60  15.16 
2012 05 22.96  13.59  18.27 
2012 06 26.86  17.18  22.02 
2012 07 26.75  17.79  22.27 
2012 08 27.36  18.21  22.79 
2012 09 24.42  13.44  18.93 
2012 10 19.00  10.56  14.78 
2012 11  9.17   3.93   6.55 
2012 12  1.93  -3.13   -.60 
2013 01  3.22  -3.11    . 5 
2013 02  4.27    .22   2.24 
2013 03 10.32   1.57   5.94 
2013 04 15.40   7.30  11.35 
2013 05 23.23  12.99  18.11 
2013 06 25.66  16.10  20.88 
2013 07 26.74  17.84  22.29 
2013 08 26.64  16.84  21.74 
2013 09 20.04  11.34  15.69 
2013 10 14.83   5.57  10.20 
2013 11  9.04   1.86   5.45 
2013 12  1.57  -5.90  -2.16 
