1974 09 23.19 -99.99 -99.99 
1984 07 99.99  14.29 -99.99 
1984 08 99.99  12.83 -99.99 
1991 02 99.99  -9.10 -99.99 
1991 03  3.84 -99.99 -99.99 
1991 04 15.31 -99.99 -99.99 
1991 05 19.18 -99.99 -99.99 
1991 08 25.80 -99.99 -99.99 
1991 09 22.60 -99.99 -99.99 
1992 02  -.33 -99.99 -99.99 
1992 03  8.64 -99.99 -99.99 
1992 04 13.52 -99.99 -99.99 
1992 06 25.21 -99.99 -99.99 
1992 07 27.35 -99.99 -99.99 
1992 08 30.80 -99.99 -99.99 
1992 09 19.93 -99.99 -99.99 
1993 06 22.77 -99.99 -99.99 
1993 08 25.46 -99.99 -99.99 
1993 09 17.92 -99.99 -99.99 
1994 09 99.99  12.90 -99.99 
2000 01 99.99  -9.34 -99.99 
2000 03  4.32   -.71   1.80 
2000 04 19.15   8.35  13.75 
2000 05 20.84   9.18  15.01 
2000 06 99.99  12.59 -99.99 
2000 07 99.99  15.76 -99.99 
2000 08 27.05  15.39  21.22 
2000 09 18.16   9.37  13.76 
2000 10 14.19   4.44   9.31 
2000 11  5.94    .83   3.38 
2001 01  1.78  -3.45   -.83 
2001 03  7.88   -.86   3.51 
2001 04 16.83   5.82  11.32 
2001 05 99.99   8.21 -99.99 
2001 06 22.65  12.63  17.64 
2001 07 31.83  19.20  25.51 
2001 08 29.05  15.64  22.34 
2001 09 19.95  10.02  14.98 
2001 10 14.03   4.39   9.21 
2001 11 99.99   -.92 -99.99 
2001 12 -4.48 -99.99 -99.99 
2002 04 99.99   4.21 -99.99 
2003 01 -1.82  -7.53  -4.67 
2003 03  1.41  -5.02  -1.80 
2003 04 12.26   2.10   7.18 
2003 05 26.61  13.23  19.92 
2003 06 23.91  12.52  18.21 
2003 07 25.34  16.16  20.75 
2003 08 25.73  14.92  20.32 
2003 09 20.82   9.00  14.91 
2003 10 12.43   4.27   8.35 
2003 11  5.12   1.72   3.42 
2003 12  1.60  -2.90   -.65 
2004 01  -.50  -4.46  -2.48 
2004 02   .32  -6.04  -2.86 
2004 03  8.09   1.53   4.81 
2004 04 14.78   3.96   9.37 
2004 12 99.99  -2.57 -99.99 
2005 02 99.99  -6.20 -99.99 
2006 06 99.99  14.84 -99.99 
2007 02 99.99  -5.85 -99.99 
2008 07 99.99  16.79 -99.99 
2012 09 22.78  11.29  17.03 
2012 10 16.64 -99.99 -99.99 
2012 11  7.54 -99.99 -99.99 
