1976 09 17.28 -99.99 -99.99 
1981 07 26.65 -99.99 -99.99 
1981 09 19.12 -99.99 -99.99 
1984 03 99.99  -3.01 -99.99 
1984 04 14.23   2.50   8.36 
1984 05 23.88 -99.99 -99.99 
1984 06 99.99  11.64 -99.99 
1984 08 23.84  11.52  17.68 
1984 09 20.14 -99.99 -99.99 
1985 03 -1.03  -9.39  -5.21 
1985 04 13.61 -99.99 -99.99 
1985 05 24.18 -99.99 -99.99 
1985 07 22.81 -99.99 -99.99 
1985 08 26.34 -99.99 -99.99 
1986 03  4.79 -99.99 -99.99 
1989 10 11.92 -99.99 -99.99 
1991 03  1.41 -99.99 -99.99 
1991 04 13.31 -99.99 -99.99 
1991 06 24.92 -99.99 -99.99 
1991 08 23.74 -99.99 -99.99 
1991 09 20.00 -99.99 -99.99 
1992 07 24.83 -99.99 -99.99 
1992 08 28.05 -99.99 -99.99 
1992 09 16.93 -99.99 -99.99 
1993 06 20.43 -99.99 -99.99 
1993 08 22.70 -99.99 -99.99 
2000 01 99.99  -9.42 -99.99 
2000 03  2.18  -2.42   -.12 
2000 04 18.45   8.01  13.23 
2000 05 99.99   7.35 -99.99 
2000 06 99.99  11.34 -99.99 
2000 07 99.99  15.05 -99.99 
2000 08 26.06  14.38  20.21 
2000 09 17.01   7.34  12.17 
2000 10 12.58   3.56   8.07 
2000 11  4.60    .38   2.49 
2001 01   .60  -2.91  -1.15 
2001 02 -1.23  -6.87  -4.05 
2001 03  4.86  -1.76   1.55 
2001 04 15.20   5.92  10.56 
2001 05 18.11   7.43  12.77 
2001 06 21.03  12.09  16.56 
2001 07 30.38  17.85  24.11 
2001 08 26.83  13.73  20.27 
2001 09 18.82   8.97  13.90 
2001 10 10.91   3.45   7.18 
2001 12 -6.21 -12.28  -9.24 
2002 04 99.99   4.29 -99.99 
2003 01 -3.58  -8.80  -6.19 
2003 03   .51  -6.21  -2.85 
2003 04 10.36   1.90   6.12 
2003 05 25.00  12.62  18.81 
2003 06 22.59  11.03  16.81 
2003 07 25.01  15.76  20.38 
2003 08 23.76  13.75  18.75 
2003 09 19.45   8.80  14.12 
2003 10 11.56   3.64   7.60 
2003 11  3.74    .84   2.29 
2003 12   .71  -4.21  -1.75 
2004 01 -1.54  -5.57  -3.55 
2004 02  -.43  -6.41  -3.41 
2004 03  6.91    .64   3.77 
2004 04 13.38   3.42   8.39 
2005 02 99.99  -8.64 -99.99 
2006 06 99.99  14.19 -99.99 
2008 07 26.59  16.33  21.46 
2012 09 22.21  10.37  16.28 
2012 10 14.90 -99.99 -99.99 
2012 11  5.99 -99.99 -99.99 
