1976 09 17.78 -99.99 -99.99 
1981 08 26.12 -99.99 -99.99 
1981 09 19.23 -99.99 -99.99 
1984 09 99.99   9.97 -99.99 
2000 01 -4.09  -9.28  -6.68 
2000 03  2.58  -2.43    . 7 
2000 04 18.96   7.60  13.28 
2000 05 19.20   6.17  12.68 
2000 06 21.53  11.96  16.74 
2000 07 99.99  15.78 -99.99 
2000 08 26.10  13.44  19.77 
2000 09 17.84   7.40  12.62 
2000 10 13.23   2.23   7.72 
2000 11  5.17 -99.99 -99.99 
2001 01  1.47 -99.99 -99.99 
2001 03  4.36  -2.80    .78 
2001 04 15.24   4.21   9.72 
2001 05 19.21   7.36  13.29 
2001 06 22.13  11.59  16.86 
2001 07 31.24  17.86  24.55 
2001 08 27.51  13.89  20.70 
2001 09 19.41   9.66  14.53 
2001 10 10.96   2.44   6.70 
2001 11  4.37  -1.05   1.65 
2001 12 -6.27 -13.25  -9.76 
2002 04 99.99   1.85 -99.99 
2002 09 99.99  10.28 -99.99 
2003 01 -3.52  -9.57  -6.54 
2003 02 -6.26 -13.90 -10.08 
2003 03   .-5  -7.79  -3.92 
2003 04 10.96    .98   5.97 
2003 05 24.87  10.14  17.50 
2003 06 21.65  10.93  16.29 
2003 07 25.26  15.42  20.34 
2003 08 24.33  13.45  18.89 
2003 09 19.85   7.16  13.50 
2003 10 12.15   3.04   7.59 
2003 11  3.10    .51   1.80 
2003 12   .42  -5.92  -2.75 
2004 01 -1.27  -4.65  -2.96 
2004 02 -1.00  -7.27  -4.13 
2004 03  6.23   -.31   2.96 
2004 04 14.00   2.34   8.17 
2004 11 99.99  -1.33 -99.99 
2005 02 99.99  -9.31 -99.99 
2005 03 99.99  -7.79 -99.99 
2005 12 99.99  -3.95 -99.99 
2006 02 99.99 -15.70 -99.99 
2006 06 99.99  13.88 -99.99 
2008 07 27.37  15.18  21.27 
2012 09 22.56   8.43  15.50 
