1969 02 -5.75 -99.99 -99.99 
1969 09 19.45 -99.99 -99.99 
1969 10 11.88 -99.99 -99.99 
1969 11  6.88 -99.99 -99.99 
1970 04 16.71 -99.99 -99.99 
1970 05 21.17 -99.99 -99.99 
1970 07 29.90  16.74  23.32 
1974 09 22.44 -99.99 -99.99 
1978 05 17.15 -99.99 -99.99 
1978 06 22.36 -99.99 -99.99 
1978 09 18.56 -99.99 -99.99 
1979 04 12.33   3.35   7.84 
1980 06 99.99  13.67 -99.99 
1981 04  9.88 -99.99 -99.99 
1981 05 20.88   9.70  15.28 
1981 08 27.62  15.19  21.40 
1981 09 20.76   9.04  14.90 
1982 09 21.99 -99.99 -99.99 
1983 07 26.31 -99.99 -99.99 
1984 08 99.99  13.18 -99.99 
1984 09 99.99  10.34 -99.99 
1985 03 99.99  -7.58 -99.99 
1985 04 99.99   4.37 -99.99 
1986 03 99.99  -2.76 -99.99 
1991 02 -3.98 -99.99 -99.99 
1991 03  3.02 -99.99 -99.99 
1991 05 17.91   9.32  13.61 
1991 06 26.00 -99.99 -99.99 
1991 07 29.31  16.75  23.03 
1991 08 25.49 -99.99 -99.99 
1991 09 20.07 -99.99 -99.99 
1992 03  6.77 -99.99 -99.99 
1992 04 12.46 -99.99 -99.99 
1992 06 24.50 -99.99 -99.99 
1992 08 28.70 -99.99 -99.99 
1992 09 18.06 -99.99 -99.99 
1993 06 22.36 -99.99 -99.99 
1993 08 24.52 -99.99 -99.99 
2000 01 -3.55  -9.39  -6.47 
2000 03  3.52  -1.52   1.00 
2000 04 19.25   8.72  13.99 
2000 05 21.12   8.82  14.97 
2000 06 23.72  13.24  18.48 
2000 07 99.99  15.70 -99.99 
2000 08 27.60  15.33  21.46 
2000 09 18.33   9.07  13.70 
2000 10 13.13   4.12   8.62 
2001 01  2.41  -2.90   -.24 
2001 03  7.70   -.92   3.39 
2001 04 16.15   6.51  11.33 
2001 05 19.17   8.84  14.00 
2001 06 23.04  13.31  18.17 
2001 07 31.78  19.06  25.42 
2001 08 28.27  15.84  22.05 
2001 09 20.33  10.64  15.48 
2001 10 13.27   3.97   8.62 
2001 11  5.40    . 3   2.71 
2001 12 -5.44 -11.46  -8.45 
2002 04 99.99   3.72 -99.99 
2002 11 99.99   1.17 -99.99 
2003 02 99.99 -12.63 -99.99 
2003 03   .68  -6.01  -2.66 
2003 04 11.68   2.20   6.94 
2003 05 26.26  13.35  19.80 
2003 06 23.14  12.79  17.96 
2003 07 24.62  15.75  20.18 
2003 08 24.86  14.78  19.82 
2003 09 20.00   8.66  14.33 
2003 10 12.50   3.66   8.08 
2003 11  4.09    .99   2.54 
2003 12  1.12  -3.88  -1.38 
2004 01   . 7 -99.99 -99.99 
2004 02  1.00  -5.85  -2.42 
2004 03  7.31    .79   4.05 
2004 04 14.44   3.49   8.96 
2005 02 99.99  -7.75 -99.99 
2005 03 99.99  -5.39 -99.99 
2007 02 99.99  -7.03 -99.99 
2008 07 28.25  16.69  22.47 
2012 09 22.17 -99.99 -99.99 
2012 10 16.37 -99.99 -99.99 
2012 11  7.51 -99.99 -99.99 
