1974 07 28.87 -99.99 -99.99 
1974 08 27.80 -99.99 -99.99 
1975 06 25.13 -99.99 -99.99 
1975 07 27.67 -99.99 -99.99 
1975 08 26.78 -99.99 -99.99 
1975 09 20.16 -99.99 -99.99 
1975 10 18.62 -99.99 -99.99 
1976 03 10.55 -99.99 -99.99 
1976 04 15.56 -99.99 -99.99 
1976 06 27.24 -99.99 -99.99 
1976 08 26.09 -99.99 -99.99 
1976 10 13.54 -99.99 -99.99 
1977 05 24.59 -99.99 -99.99 
1981 10 13.83   2.78   8.30 
1983 04 12.06   -.63   5.71 
1983 05 18.62   4.54  11.58 
1983 06 25.45  11.37  18.41 
1983 12  -.52  -7.22  -3.87 
1984 01 -1.44 -11.00  -6.22 
1984 02 99.99  -4.60 -99.99 
1984 03  1.79  -9.31  -3.76 
1984 04 12.48   1.25   6.86 
1984 05 17.16   5.85  11.50 
1984 06 25.43  11.25  18.34 
1984 07 25.89  13.25  19.57 
1984 08 26.58  14.65  20.61 
1984 09 20.72   7.94  14.33 
1984 10 17.79   6.75  12.27 
1984 11 99.99  -2.27 -99.99 
1984 12  6.35  -3.14   1.60 
1985 01 -2.48 -11.73  -7.10 
1985 04 15.96   2.58   9.27 
1985 07 26.16  12.86  19.51 
1985 08 24.45  12.84  18.64 
1985 09 23.26 -99.99 -99.99 
1985 11  9.32   1.04   5.18 
1985 12 99.99  -7.80 -99.99 
1986 01 99.99  -9.01 -99.99 
1986 02  -.58  -8.01  -4.29 
1986 03  9.33  -2.03   3.65 
1986 04 15.36   1.88   8.62 
1986 05 22.79   9.01  15.90 
1986 06 24.66  10.46  17.56 
1986 07 26.48  14.99  20.73 
1986 08 24.36  12.60  18.48 
1986 09 20.57   9.55  15.06 
1986 10 14.58   4.84   9.71 
1986 11  6.92  -2.14   2.38 
1986 12  2.87  -4.21   -.67 
1987 01  -.96  -9.47  -5.22 
1987 02   .72 -12.41  -5.84 
1987 03  9.42  -5.60   1.91 
1987 04 14.55   2.39   8.47 
1987 05 21.24   7.03  14.13 
1987 06 25.07  13.12  19.09 
1987 07 28.12  15.97  22.04 
1987 08 24.70  12.51  18.60 
1987 09 20.03  10.16  15.09 
1987 10 13.45   1.10   7.27 
1987 11 99.99   -.24 -99.99 
1987 12  3.16  -3.41   -.12 
1988 01   .12 -11.36  -5.62 
1988 02   .98 -99.99 -99.99 
1988 03 99.99  -4.60 -99.99 
1988 04 11.76 -99.99 -99.99 
1988 05 21.09   7.00  14.04 
1988 06 23.75   9.55  16.65 
1988 07 31.12  15.68  23.40 
1988 08 28.16  14.76  21.46 
1988 09 20.10   7.80  13.95 
1988 10 12.02    .99   6.50 
1988 11  9.75   -.71   4.52 
1988 12  2.45  -7.87  -2.71 
1989 01  4.23  -6.53  -1.14 
1989 02 99.99 -10.04 -99.99 
1989 03  6.78  -5.80    .49 
1989 04 12.26   -.97   5.64 
1989 05 17.82   5.83  11.82 
1989 06 23.80  12.96  18.37 
1989 07 26.60  14.28  20.44 
1989 08 25.91  12.56  19.23 
1989 09 21.90  10.28  16.09 
1989 10 18.06   3.34  10.70 
1989 11 99.99  -1.96 -99.99 
1989 12 -5.22 -14.70  -9.96 
1990 01 99.99  -3.79 -99.99 
1990 02  4.88  -7.23  -1.17 
1990 03  9.74  -3.84   2.94 
1990 04 15.46   1.76   8.60 
1990 05 18.57   5.55  12.06 
1990 06 24.94  11.61  18.27 
1990 07 25.96  14.86  20.41 
1990 08 25.09  13.67  19.38 
1990 09 20.25   9.01  14.63 
1990 10 16.56   4.04  10.29 
1990 11 10.33   -.45   4.94 
1990 12 99.99  -5.14 -99.99 
1991 01   .83  -9.30  -4.23 
1991 02  4.92  -6.58   -.82 
1991 03 99.99  -2.83 -99.99 
1991 04 15.76   2.95   9.35 
1991 05 24.78   9.28  17.03 
1991 06 27.51  12.70  20.10 
1991 07 28.06  14.77  21.41 
1991 08 27.69  14.72  21.20 
1991 09 22.01   8.10  15.05 
1991 10 16.40 -99.99 -99.99 
1991 11 99.99  -1.16 -99.99 
1991 12 99.99  -5.52 -99.99 
1992 01  1.45 -99.99 -99.99 
1992 02  2.58  -7.14  -2.28 
1992 03  4.98  -6.34   -.68 
1992 04 12.84    .18   6.51 
1992 05 19.44   5.52  12.48 
1992 06 23.26   9.76  16.51 
1992 07 24.35  14.02  19.18 
1992 08 23.92  12.24  18.08 
1992 09 21.43   8.79  15.11 
1992 10 13.46    . 0   6.73 
1992 11  7.02   -.94   3.04 
1992 12  2.09  -7.05  -2.47 
1993 01  1.48  -6.55  -2.53 
1993 02  -.17 -14.09  -7.13 
1993 03  4.55  -8.41  -1.92 
1993 04 13.39    .58   6.99 
1993 05 20.93   6.18  13.55 
1993 06 25.31  11.54  18.42 
1993 07 28.95  15.42  22.18 
2008 02   .74  -9.35  -4.31 
2008 03  4.52  -6.10   -.79 
2008 04 17.37   1.86   9.62 
2008 05 18.51   3.36  10.93 
2008 06 26.60  13.23  19.91 
2008 07 27.48  14.14  20.81 
2008 08 25.19  12.09  18.64 
2008 09 23.99   9.46  16.72 
2008 10 15.62   1.73   8.67 
2008 11  7.09  -1.11   2.99 
2008 12  3.37  -6.71  -1.67 
2009 01 -3.32 -14.71  -9.01 
2009 02  2.95  -8.43  -2.74 
2009 03  7.83  -5.10   1.36 
2009 04 15.87   1.19   8.53 
2009 05 20.50   6.41  13.45 
2009 06 22.94  11.36  17.15 
2009 07 24.41  12.39  18.40 
2009 08 26.48  14.74  20.61 
2009 09 21.28   9.66  15.47 
2009 10 13.34   3.28   8.31 
2009 11 11.01    .23   5.62 
2009 12  1.16  -6.33  -2.58 
2010 01  -.24  -9.38  -4.81 
2010 02  -.16  -8.01  -4.08 
2010 03  9.64  -2.76   3.44 
2010 04 18.51   1.98  10.24 
2010 05 22.54   7.65  15.09 
2010 06 26.64  12.64  19.64 
2010 07 29.92  15.06  22.49 
2010 08 27.22  15.06  21.14 
2010 09 23.01  10.39  16.70 
2010 10 15.41   4.08   9.74 
2010 11  9.08  -1.71   3.68 
2010 12  -.58  -8.06  -4.32 
2011 01 -2.02 -11.15  -6.58 
2011 02  1.82 -11.57  -4.87 
2011 03  5.10  -5.93   -.41 
2011 04 12.79   2.49   7.64 
2011 05 20.35   9.97  15.16 
2011 06 25.84  13.09  19.46 
2011 07 30.98  15.37  23.17 
2011 08 26.98  13.65  20.31 
2011 09 22.18  12.66  17.42 
2011 10 14.70   4.40   9.55 
2011 11 12.40    .60   6.50 
2011 12  4.66  -3.10    .78 
2012 01  2.42  -7.32  -2.45 
2012 02  4.39  -4.37    . 0 
2012 03 14.08    .52   7.30 
2012 04 13.85   -.13   6.86 
2012 05 23.70   9.39  16.54 
2012 06 24.98  11.86  18.42 
2012 07 29.65  15.54  22.59 
2012 08 27.27  13.81  20.54 
2012 09 22.23   9.52  15.87 
2012 10 15.98   5.42  10.70 
2012 11  7.02  -2.46   2.28 
2012 12  4.62  -2.46   1.07 
2013 01  1.73  -7.10  -2.68 
2013 02   . 7  -8.37  -4.15 
2013 03  3.85  -4.87   -.51 
2013 04 13.59    .70   7.14 
2013 05 21.22   7.38  14.29 
2013 06 24.76  12.47  18.61 
2013 07 27.78  16.23  22.00 
2013 08 25.88  13.06  19.46 
2013 09 22.16   8.47  15.32 
2013 10 17.26   6.00  11.63 
2013 11  6.57  -2.65   1.96 
2013 12  2.74  -5.89  -1.57 
2014 01 -2.61 -13.07  -7.83 
2014 02 -1.55 -13.02  -7.28 
2014 03  2.50  -9.10  -3.30 
2014 04 13.83   -.14   6.84 
2014 05 20.52   7.17  13.84 
