1964 08 -99.99   9.57 -99.99 
1964 10  14.83 -99.99 -99.99 
1965 02   5.11  -3.63   0.74 
1965 05  12.27   3.37   7.82 
1965 07  21.28  10.76  16.02 
1965 08  20.09  10.97  15.53 
1965 09  16.12   7.62  11.87 
1967 08  26.62  13.13  19.87 
1969 07  20.44   9.85  15.15 
1970 02   7.52   2.03   4.77 
1970 12   2.25  -2.00   0.12 
1971 01   3.14  -2.86   0.14 
1971 10  12.01   4.82   8.41 
1972 01   2.80 -99.99 -99.99 
1972 02   5.94   0.49   3.21 
1972 03   8.50   1.04   4.77 
1972 04   8.18   0.48   4.33 
1972 08  23.69  11.16  17.42 
1972 09  16.86   6.59  11.72 
1975 05  16.24 -99.99 -99.99 
1975 06  18.16   7.35  12.75 
1975 07  25.04  11.01  18.02 
1976 12   7.67   2.51   5.09 
1977 01   6.98  -1.91   2.53 
1977 02  11.69   2.73   7.21 
1977 03   8.32   -.30   4.00 
1977 07  21.78   8.50  15.14 
1977 10  14.30   4.60   9.45 
1978 07  22.97 -99.99 -99.99 
1978 09  16.18   7.31  11.74 
2011 01   4.69  -0.03   2.33 
2011 02   3.76  -1.79   0.98 
2011 03   5.86   0.60   3.23 
2011 04   6.29   0.58   3.43 
2011 05  11.47   4.02   7.74 
2011 06  15.32   7.62  11.46 
2011 07  18.78   9.95  14.36 
2011 08  20.76  11.81  16.28 
2011 09  19.82  11.12  15.46 
2011 10  11.12   5.79   8.45 
2011 11   5.82   0.28   3.05 
2011 12   4.00   -.29   1.85 
2012 01   3.98   -.70   1.64 
2012 02   5.04   0.41   2.72 
2012 03   4.82   -.25   2.28 
2012 04  11.05   3.19   7.12 
2012 05  15.55   5.21  10.38 
2012 06  14.56   7.70  11.13 
2012 07  20.08  12.07  16.07 
2012 08  23.18  12.76  17.97 
2012 09  22.16  10.75  16.45 
2012 10  12.95   6.34   9.64 
2012 11   7.07   3.18   5.12 
2012 12   2.78  -0.04   1.37 
2013 01   2.93  -1.53   0.70 
2013 02   4.23  -0.08   2.07 
2013 03   7.43   1.08   4.25 
2013 04  10.17   2.77   6.47 
2013 05  15.85   6.94  11.39 
2013 06  18.85   9.72  14.29 
2013 07  23.24  12.17  17.70 
2013 08  22.71  13.31  18.01 
2013 09  17.93  11.05  14.49 
2013 10  12.13   4.92   8.52 
2013 11   7.51   2.66   5.08 
2013 12   2.24  -1.99   0.12 
2014 01   6.11   1.39   3.75 
2014 02   2.23  -1.68   0.27 
2014 03   7.69   1.50   4.59 
2014 04  11.42   3.27   7.34 
