1951 05 24.26 -99.99 -99.99 
1957 08 28.34  16.42  22.38 
1957 09 23.51  11.98  17.74 
1958 09 21.14   9.96  15.54 
1961 05 18.76 -99.99 -99.99 
1961 07 26.86 -99.99 -99.99 
1961 08 28.15 -99.99 -99.99 
1962 06 26.31 -99.99 -99.99 
1963 04 14.08 -99.99 -99.99 
1963 09 26.18 -99.99 -99.99 
1963 10 16.70 -99.99 -99.99 
1964 01 -1.84 -99.99 -99.99 
1964 02  1.76 -99.99 -99.99 
1964 03  5.06  -1.63   1.71 
1964 04 16.35 -99.99 -99.99 
1964 05 19.25   9.39  14.32 
1964 06 28.81  15.99  22.40 
1964 09 22.75 -99.99 -99.99 
1964 10 17.27 -99.99 -99.99 
1984 07 99.99  14.80 -99.99 
1984 08 99.99  13.89 -99.99 
2000 03 10.49    .58   5.53 
2000 04 19.28 -99.99 -99.99 
2000 05 24.39  10.10  17.25 
2000 06 26.80  13.71  20.25 
2000 07 29.90  16.48  23.18 
2000 08 29.96  15.99  22.97 
2000 09 20.33  10.98  15.65 
2000 10 16.70   5.98  11.34 
2000 11 12.90   7.52  10.21 
2001 01  4.98  -2.07   1.45 
2001 02  5.62  -1.85   1.88 
2001 03 12.55   2.35   7.45 
2001 04 16.73   5.35  11.04 
2001 05 21.76   9.93  15.85 
2001 06 23.67  13.73  18.70 
2001 07 31.58  18.39  24.98 
2001 08 31.15  17.48  24.31 
2001 09 23.52  12.08  17.79 
2001 10 18.51   7.14  12.82 
2001 11 99.99    . 8 -99.99 
2001 12 -1.60  -7.39  -4.49 
2002 04 99.99   5.21 -99.99 
2002 09 99.99  12.26 -99.99 
2003 01   .84  -4.30  -1.73 
2003 02 -1.97  -8.24  -5.10 
2003 03  5.90  -1.75   2.07 
2003 04 14.93   3.86   9.39 
2003 05 27.52  12.85  20.18 
2003 06 28.35  15.61  21.98 
2003 07 27.94  17.29  22.61 
2003 08 29.54  17.41  23.47 
2003 09 21.69  10.76  16.22 
2003 10 15.61   5.78  10.69 
2003 11  9.68   4.14   6.91 
2003 12  4.98  -2.44   1.27 
2004 01   .22  -6.23  -3.00 
2004 02  4.44  -2.47    .98 
2004 03 11.03   2.69   6.85 
2004 04 17.62   5.13  11.37 
2005 02 99.99  -4.21 -99.99 
2006 02 99.99  -5.38 -99.99 
2006 06 99.99  14.70 -99.99 
2007 02 99.99   -.44 -99.99 
2008 07 99.99  16.68 -99.99 
