1979 05 99.99  11.77 -99.99 
1981 09 21.32 -99.99 -99.99 
1984 08 99.99  12.64 -99.99 
1984 09 99.99  10.59 -99.99 
1991 05 19.08 -99.99 -99.99 
1991 06 25.67 -99.99 -99.99 
1991 07 28.80 -99.99 -99.99 
1991 08 25.09 -99.99 -99.99 
1991 09 22.34 -99.99 -99.99 
1992 03  8.21 -99.99 -99.99 
1992 04 13.74 -99.99 -99.99 
1992 06 23.22 -99.99 -99.99 
1992 07 26.72 -99.99 -99.99 
1993 04 11.99 -99.99 -99.99 
1993 07 24.80 -99.99 -99.99 
1993 08 25.36 -99.99 -99.99 
1993 10 14.05 -99.99 -99.99 
1993 11  -.57 -99.99 -99.99 
2000 01 99.99  -7.40 -99.99 
2000 03  5.83   -.55   2.64 
2000 04 19.20   7.16  13.18 
2000 05 22.25   8.80  15.52 
2000 06 24.31  12.55  18.43 
2000 07 99.99  15.66 -99.99 
2000 08 28.43  15.49  21.96 
2000 09 99.99   9.56 -99.99 
2000 10 14.37   4.50   9.43 
2000 11 99.99   3.53 -99.99 
2001 01  3.05  -2.62    .21 
2001 02   .79 -99.99 -99.99 
2001 03  8.56   -.30   4.13 
2001 04 16.42   5.62  11.02 
2001 05 18.79   8.63  13.71 
2001 06 22.96  12.47  17.71 
2001 07 32.00  18.50  25.25 
2001 08 29.46  15.65  22.55 
2001 09 21.13  10.49  15.81 
2001 10 15.98   4.56  10.27 
2001 11  5.97 -99.99 -99.99 
2001 12 -3.05 -99.99 -99.99 
2002 04 99.99   3.74 -99.99 
2003 01 -1.70  -7.60  -4.65 
2003 03  1.57  -3.70  -1.06 
2003 04 12.52   2.32   7.42 
2003 05 27.51  12.56  20.03 
2003 06 25.84  13.40  19.61 
2003 07 26.64  16.17  21.40 
2003 08 27.89  15.05  21.47 
2003 09 21.47   8.89  15.18 
2003 10 13.64   4.06   8.85 
2003 11  6.17   1.79   3.98 
2003 12  2.53  -2.35    . 8 
2004 01  -.73  -4.98  -2.85 
2004 02   .51  -5.59  -2.54 
2004 03  9.41    .86   5.13 
2004 04 16.51   3.70  10.10 
2005 02 99.99  -5.93 -99.99 
2005 03 99.99  -5.26 -99.99 
2007 02 99.99  -4.27 -99.99 
2008 07 27.69  16.07  21.88 
2012 09 24.20   9.93  17.06 
2012 10 17.62 -99.99 -99.99 
