1969 08 22.75 -99.99 -99.99 
1969 09 17.54 -99.99 -99.99 
1970 04 11.56 -99.99 -99.99 
1970 05 19.09   8.59  13.84 
1970 06 22.45 -99.99 -99.99 
1974 09 20.00 -99.99 -99.99 
1979 04  9.54 -99.99 -99.99 
1981 05 20.92   7.12  14.02 
1981 07 26.30 -99.99 -99.99 
1981 09 17.84 -99.99 -99.99 
1984 04 99.99   1.77 -99.99 
1984 06 19.18 -99.99 -99.99 
1984 08 99.99  10.32 -99.99 
1985 03  -.13 -99.99 -99.99 
1985 05 99.99   8.78 -99.99 
1985 10  9.93 -99.99 -99.99 
1986 03  4.23 -99.99 -99.99 
1991 05 17.40 -99.99 -99.99 
1991 06 24.16 -99.99 -99.99 
1991 09 18.51 -99.99 -99.99 
1992 03  5.43 -99.99 -99.99 
1992 04 10.22 -99.99 -99.99 
1992 09 18.02 -99.99 -99.99 
1993 04 10.71 -99.99 -99.99 
1993 06 20.40 -99.99 -99.99 
1993 08 21.34 -99.99 -99.99 
1993 09 14.16 -99.99 -99.99 
1994 02 -5.53 -99.99 -99.99 
2000 01 -3.42 -99.99 -99.99 
2000 03  3.53  -2.87    .33 
2000 04 18.95   7.06  13.00 
2000 05 19.36   5.65  12.50 
2000 06 21.77  10.02  15.89 
2000 07 99.99  14.20 -99.99 
2000 08 24.62  12.58  18.60 
2000 09 15.81   6.95  11.38 
2000 10 13.30   3.34   8.32 
2001 01   .36  -3.70  -1.67 
2001 02 -1.44  -7.18  -4.31 
2001 03  4.23  -3.18    .52 
2001 04 15.88   5.05  10.46 
2001 05 18.23   6.75  12.49 
2001 06 21.62  11.16  16.39 
2001 07 29.93  17.33  23.63 
2001 08 25.73  12.86  19.29 
2001 09 18.29   7.35  12.82 
2001 10 11.57   3.70   7.63 
2001 11  2.92  -1.43    .74 
2001 12 -5.84 -11.64  -8.74 
2002 04 99.99   2.35 -99.99 
2002 09 99.99   7.44 -99.99 
2003 01 -3.12  -7.96  -5.54 
2003 02 99.99 -12.89 -99.99 
2003 03  2.77  -4.98  -1.10 
2003 04 10.69    .55   5.62 
2003 05 23.57  10.76  17.16 
2003 06 21.98   8.93  15.45 
2003 07 25.99  14.35  20.17 
2003 08 22.80  12.56  17.68 
2003 09 17.95   6.54  12.24 
2003 10  9.22   3.34   6.28 
2003 11  4.00    .63   2.31 
2003 12   .17  -5.18  -2.50 
2004 02 -1.40  -7.51  -4.45 
2004 03  5.66  -1.75   1.95 
2004 04 12.68   1.77   7.22 
2005 02 99.99 -10.59 -99.99 
2005 03 99.99  -7.89 -99.99 
2006 02 99.99 -13.31 -99.99 
2008 07 26.13  14.19  20.16 
2012 09 20.92 -99.99 -99.99 
2012 10 12.23 -99.99 -99.99 
2012 11  5.86 -99.99 -99.99 
