1974 09 24.44 -99.99 -99.99 
1976 09 19.52 -99.99 -99.99 
1981 09 22.23  10.00  16.11 
1981 10 16.45 -99.99 -99.99 
1984 08 99.99  13.32 -99.99 
1984 09 99.99  11.25 -99.99 
1985 05 99.99  11.44 -99.99 
1990 11  9.89 -99.99 -99.99 
1991 02 -1.49 -99.99 -99.99 
1991 03  5.73 -99.99 -99.99 
1991 05 19.95 -99.99 -99.99 
1991 06 27.02 -99.99 -99.99 
1991 08 26.75 -99.99 -99.99 
1991 09 22.92 -99.99 -99.99 
1991 10 16.73 -99.99 -99.99 
1992 02 99.99  -5.45 -99.99 
1992 04 14.31 -99.99 -99.99 
1992 05 21.22 -99.99 -99.99 
1992 06 24.00 -99.99 -99.99 
1992 07 27.11 -99.99 -99.99 
1992 08 32.11 -99.99 -99.99 
1992 09 20.77 -99.99 -99.99 
1993 06 23.95 -99.99 -99.99 
1993 08 26.10  13.66  19.88 
1993 09 20.44 -99.99 -99.99 
1993 11   .85 -99.99 -99.99 
1994 08 99.99  14.85 -99.99 
1994 09 99.99  12.63 -99.99 
1994 10 99.99   4.73 -99.99 
2000 01 99.99  -7.20 -99.99 
2000 03  7.19   -.46   3.36 
2000 04 19.45   6.72  13.08 
2000 05 22.47   9.22  15.84 
2000 06 25.33  13.13  19.23 
2000 07 99.99  16.27 -99.99 
2000 08 28.87  15.89  22.38 
2000 09 18.37  10.22  14.29 
2000 10 15.09   4.54   9.81 
2000 11  8.70   4.23   6.46 
2001 01  3.93  -2.72    .60 
2001 02  1.53  -3.54  -1.00 
2001 03  8.97    .28   4.62 
2001 04 16.82   5.40  11.11 
2001 05 19.79   8.39  14.10 
2001 06 23.29  12.69  17.99 
2001 07 32.37  18.46  25.41 
2001 08 29.67  15.95  22.81 
2001 09 21.75  11.34  16.54 
2001 10 16.23   5.19  10.71 
2001 11 99.99    .-4 -99.99 
2001 12 -2.56  -9.35  -5.96 
2002 04 99.99   2.75 -99.99 
2002 10 99.99   5.50 -99.99 
2003 01  -.58  -6.89  -3.73 
2003 03  2.71  -2.62    . 4 
2003 04 13.75   2.05   7.90 
2003 05 27.58  11.68  19.63 
2003 06 26.15  13.64  19.89 
2003 07 26.62  16.06  21.34 
2003 08 28.75  15.69  22.22 
2003 09 21.47   8.89  15.18 
2003 10 14.64   5.02   9.83 
2003 11  7.23   2.10   4.67 
2003 12  3.07  -1.98    .54 
2004 01   .67  -3.94  -1.63 
2004 02  2.38  -3.91   -.76 
2004 03  9.84    .56   5.20 
2004 04 16.87   3.66  10.26 
2005 02 99.99  -5.31 -99.99 
2005 12 99.99  -1.41 -99.99 
2006 06 99.99  13.90 -99.99 
2007 02 99.99  -3.83 -99.99 
2008 07 99.99  16.15 -99.99 
