1976 03  2.69 -99.99 -99.99 
1981 09 99.99   8.47 -99.99 
1984 06 20.29 -99.99 -99.99 
1984 08 99.99  11.79 -99.99 
1991 03  5.60 -99.99 -99.99 
1991 05 17.32 -99.99 -99.99 
1991 07 25.84 -99.99 -99.99 
1991 08 23.85 -99.99 -99.99 
1991 09 19.76 -99.99 -99.99 
1992 02   .75 -99.99 -99.99 
1992 03  7.74 -99.99 -99.99 
1992 04 12.08 -99.99 -99.99 
1992 05 19.27 -99.99 -99.99 
1992 06 24.29 -99.99 -99.99 
1992 07 25.99 -99.99 -99.99 
1992 09 18.15 -99.99 -99.99 
1993 06 21.26 -99.99 -99.99 
1993 08 22.21 -99.99 -99.99 
1993 09 15.87 -99.99 -99.99 
1993 11 -3.14 -99.99 -99.99 
2000 01 99.99  -7.39 -99.99 
2000 03  5.59  -1.69   1.95 
2000 04 17.68   7.04  12.36 
2000 05 20.99   7.75  14.37 
2000 06 23.20  10.51  16.85 
2000 08 25.77  13.39  19.58 
2000 09 16.53   8.10  12.31 
2000 10 14.70   3.87   9.28 
2000 11  6.93   3.84   5.38 
2001 01  1.20  -3.00   -.90 
2001 02  -.10  -6.72  -3.41 
2001 03  5.96  -2.59   1.68 
2001 04 16.35   5.09  10.72 
2001 05 19.82   7.44  13.63 
2001 06 21.25  11.84  16.54 
2001 07 29.94  18.29  24.12 
2001 08 25.29 -99.99 -99.99 
2001 09 17.79   9.43  13.61 
2001 10 14.09   4.01   9.05 
2001 11  4.69 -99.99 -99.99 
2001 12 -4.77 -11.40  -8.08 
2002 04 99.99   3.13 -99.99 
2002 09 99.99   8.68 -99.99 
2002 11 99.99    .62 -99.99 
2003 01 -1.32  -6.50  -3.91 
2003 02 99.99 -11.33 -99.99 
2003 03  4.62  -3.82    .39 
2003 04 12.16   1.36   6.76 
2003 05 25.01  10.65  17.83 
2003 06 22.95  10.18  16.57 
2003 07 26.85  15.72  21.28 
2003 08 24.04  12.48  18.26 
2003 09 19.19   7.52  13.35 
2003 10  9.88   3.83   6.85 
2003 11  5.36    .98   3.17 
2003 12  1.81  -3.88  -1.03 
2004 01 99.99  -7.38 -99.99 
2004 02   .34  -5.65  -2.65 
2004 03  7.25   -.27   3.49 
2004 04 14.22   2.46   8.34 
2005 02 99.99  -8.72 -99.99 
2005 03 99.99  -6.47 -99.99 
2008 07 99.99  14.60 -99.99 
2012 09 20.77 -99.99 -99.99 
2012 10 12.93 -99.99 -99.99 
2012 11  7.14 -99.99 -99.99 
