1968 05 19.62   5.02  12.32 
1968 07 32.25  14.98  23.62 
1968 08 30.37  13.90  22.13 
1968 09 26.67 -99.99 -99.99 
1969 04 19.33   1.16  10.25 
1969 05 25.02   6.13  15.57 
1969 06 28.91  11.78  20.34 
1969 07 29.80  14.58  22.18 
1970 10 18.95 -99.99 -99.99 
1971 05 23.91   5.13  14.52 
1971 06 32.07  12.52  22.29 
1971 07 31.97  13.28  22.62 
1971 08 31.49  12.50  21.99 
1971 09 26.83  12.84  19.83 
1971 10 22.14 -99.99 -99.99 
1972 05 27.22   7.98  17.60 
1972 06 26.20  12.81  19.50 
1972 07 31.87  16.04  23.96 
1972 08 31.21  13.96  22.58 
1972 09 26.85   9.58  18.21 
1972 10 16.39   1.09   8.74 
1973 05 21.87   5.93  13.90 
1973 06 31.41  14.72  23.06 
1973 07 34.50  15.36  24.93 
1973 08 32.56  16.21  24.39 
1973 09 27.34  10.20  18.77 
1973 10 99.99   5.18 -99.99 
1974 05 24.35 -99.99 -99.99 
1974 06 28.50  11.50  20.00 
1974 07 32.49 -99.99 -99.99 
1974 08 32.09  14.00  23.05 
1974 09 25.51   9.00  17.25 
1974 10 99.99   1.69 -99.99 
1975 05 28.28   8.50  18.39 
1975 06 29.49  13.66  21.57 
1975 07 32.91  15.53  24.22 
1975 08 32.09  14.48  23.28 
1975 09 23.53 -99.99 -99.99 
1978 06 29.33  11.78  20.55 
1978 07 30.69  14.61  22.65 
1978 08 31.90  16.11  24.00 
1978 09 25.89 -99.99 -99.99 
1979 05 25.85   8.34  17.09 
1979 06 29.45  11.93  20.69 
1979 07 32.68  15.95  24.31 
1979 08 32.28  15.02  23.65 
1979 09 27.72 -99.99 -99.99 
1980 06 28.67   9.82  19.24 
1980 07 33.22  15.19  24.20 
1980 08 32.93  16.41  24.67 
1981 07 28.87  12.02  20.44 
1981 08 31.24  13.30  22.27 
1982 03  7.98 -99.99 -99.99 
2009 09 20.87   8.85  14.86 
2009 10 12.89   3.00   7.94 
2009 11 11.12    .89   6.00 
2009 12  1.04  -6.66  -2.81 
2011 01 -1.93 -11.15  -6.54 
2011 02  1.99 -11.28  -4.64 
2011 03  5.71  -4.67    .51 
2011 04 13.62   3.14   8.38 
2011 05 20.55   9.18  14.86 
2011 06 24.46  13.23  18.84 
2011 07 28.56  15.27  21.91 
2011 08 25.34  13.67  19.50 
2011 09 22.28  12.53  17.40 
2011 10 15.30   5.17  10.23 
2011 11 12.12   -.42   5.85 
2011 12  5.28  -4.25    .51 
