1979 12 17.73  -2.00   7.86 
1980 01 16.15   2.31   9.22 
1980 02 18.85   3.58  11.21 
1980 03 19.74   2.64  11.19 
1980 04 26.86   6.98  16.92 
1980 05 30.66  11.83  21.24 
1980 07 42.97  18.56  30.76 
1980 09 37.31  14.25  25.78 
1980 10 99.99   6.54 -99.99 
1980 12 20.04   -.95   9.54 
1981 01 18.45   -.34   9.05 
1981 02 20.24 -99.99 -99.99 
1981 05 32.63 -99.99 -99.99 
1981 06 40.91 -99.99 -99.99 
1981 07 42.97 -99.99 -99.99 
1981 08 41.56 -99.99 -99.99 
1981 09 36.62  14.82  25.72 
1981 10 27.29   5.47  16.38 
1981 12 17.20  -1.04   8.07 
1982 01 14.11  -1.44   6.33 
1982 03 20.62   3.78  12.20 
1982 04 27.04 -99.99 -99.99 
1982 05 32.79  11.89  22.34 
1982 06 38.03 -99.99 -99.99 
1982 07 40.41 -99.99 -99.99 
1982 09 34.12 -99.99 -99.99 
1983 03 20.86   5.00  12.93 
1983 05 33.40   9.85  21.63 
1983 07 39.83 -99.99 -99.99 
1983 08 37.41  20.66  29.03 
1983 09 99.99  15.52 -99.99 
1983 11 20.07 -99.99 -99.99 
1983 12 14.98  -2.90   6.04 
1984 01 18.06  -4.69   6.68 
1984 02 18.58  -3.48   7.55 
1984 03 23.45    . 4  11.74 
1984 04 27.18   3.63  15.40 
1984 10 25.40   2.64  14.02 
1985 02 16.27  -2.55   6.86 
1985 03 21.61   3.53  12.57 
1985 04 99.99   7.10 -99.99 
1985 05 99.99  12.18 -99.99 
1985 06 39.08  14.40  26.74 
1985 07 40.73  20.26  30.49 
1985 08 39.66  17.71  28.68 
1985 10 28.78   6.31  17.54 
1985 11 19.45   -.34   9.55 
1986 01 19.77 -99.99 -99.99 
1986 02 20.20 -99.99 -99.99 
1986 03 26.57   2.40  14.48 
1986 05 33.77   8.81  21.29 
1986 06 39.53  13.00  26.26 
1986 07 39.16  17.43  28.30 
1986 08 40.43  17.62  29.02 
1986 09 33.21   8.87  21.04 
1987 02 17.93   2.03   9.98 
1987 03 21.25   2.67  11.96 
1987 05 32.39  13.91  23.15 
1987 06 39.79  17.40  28.59 
1987 07 39.52  18.92  29.22 
1987 08 40.24  20.27  30.25 
1987 09 36.14  15.24  25.68 
1987 10 30.74   9.80  20.27 
1987 11 19.57   4.05  11.81 
1988 01 13.54  -2.00   5.77 
1988 02 19.78    . 1   9.89 
1988 03 23.51   1.09  12.30 
1988 04 26.56   7.42  16.99 
1988 05 33.21  10.63  21.92 
1988 06 38.47  14.74  26.60 
1988 07 41.91  21.08  31.49 
1988 08 39.30  18.93  29.11 
1988 09 33.91 -99.99 -99.99 
1988 10 33.49 -99.99 -99.99 
1989 01 99.99  -3.06 -99.99 
1989 03 25.98   4.86  15.42 
1989 04 32.59   9.85  21.22 
1989 05 34.37  13.02  23.69 
1989 06 38.75 -99.99 -99.99 
1989 07 42.79  22.14  32.46 
1989 08 38.70  19.10  28.90 
1989 10 28.54   6.78  17.66 
1989 11 23.77   1.49  12.63 
1989 12 17.86  -3.39   7.23 
1990 07 40.99 -99.99 -99.99 
1990 08 37.91 -99.99 -99.99 
1990 09 36.03 -99.99 -99.99 
1990 10 29.18 -99.99 -99.99 
1990 11 20.02 -99.99 -99.99 
1991 04 25.32   6.22  15.77 
1991 05 29.79 -99.99 -99.99 
1991 12 14.30    .25   7.27 
1992 01 14.54  -2.03   6.25 
1992 03 20.70 -99.99 -99.99 
1992 06 36.96  16.25  26.60 
1992 08 40.12  21.52  30.82 
1992 09 36.71 -99.99 -99.99 
1993 01 12.01   1.24   6.62 
1995 12 17.42   -.44   8.49 
1996 01 16.45  -2.22   7.11 
1996 02 20.53   3.51  12.02 
1996 03 23.95   3.92  13.93 
1996 04 28.91   8.89  18.90 
1996 05 33.96  13.05  23.50 
1996 08 41.77 -99.99 -99.99 
1996 09 35.00 -99.99 -99.99 
1996 11 20.60   4.31  12.45 
1996 12 14.43    .30   7.36 
1997 01 14.18   1.49   7.83 
1997 02 18.93   1.26  10.09 
1997 03 26.33   3.53  14.93 
1997 04 26.02   7.29  16.65 
1997 05 36.24  14.56  25.40 
1997 06 37.55  17.23  27.39 
1997 07 39.96  20.18  30.07 
1997 08 40.37  21.98  31.17 
1997 09 35.43  18.87  27.15 
1997 10 29.17   7.51  18.34 
1997 12 14.36  -1.55   6.40 
1998 01 16.10    .60   8.35 
1998 02 15.22   2.86   9.04 
1998 03 21.48   4.48  12.98 
1998 04 24.01   6.45  15.23 
1998 05 29.94  11.33  20.63 
1998 07 41.67  21.43  31.55 
1998 08 41.15  22.12  31.63 
1998 09 34.34  16.85  25.59 
1998 11 19.87   2.57  11.22 
1998 12 15.60  -2.28   6.66 
1999 01 17.54   -.62   8.46 
1999 02 19.20    .49   9.84 
1999 03 24.12   3.64  13.88 
1999 04 23.40   7.12  15.26 
1999 06 36.84  15.54  26.19 
1999 07 38.47  21.96  30.21 
1999 08 39.57  20.49  30.03 
1999 09 35.79  16.27  26.03 
1999 10 31.00   7.18  19.09 
1999 11 23.40   1.98  12.69 
1999 12 16.87  -2.27   7.30 
2000 02 18.62   3.34  10.98 
2000 03 21.57 -99.99 -99.99 
2000 04 30.74   9.66  20.20 
2000 05 35.59  15.88  25.74 
2000 07 41.43  20.27  30.85 
2000 09 36.80  15.14  25.97 
2000 10 26.98  10.52  18.75 
2000 11 17.03    .-4   8.49 
2000 12 16.98  -1.34   7.82 
2001 01 14.73   -.78   6.97 
2001 02 16.64   2.11   9.37 
2001 05 36.93  14.68  25.81 
2001 06 40.11  17.84  28.97 
2001 07 40.93  21.10  31.01 
2001 08 41.95  21.09  31.52 
2001 09 38.66  15.78  27.22 
2001 10 30.68   9.78  20.23 
2001 12 13.53  -2.29   5.62 
2002 01 15.44  -1.83   6.80 
2002 02 99.99  -1.37 -99.99 
2002 03 22.72    .87  11.79 
2002 04 29.51   8.76  19.13 
2002 05 31.57   8.68  20.12 
2002 06 39.70  15.87  27.78 
2002 07 41.38 -99.99 -99.99 
2002 08 36.82 -99.99 -99.99 
2002 09 32.91 -99.99 -99.99 
2002 10 27.66   9.29  18.47 
2002 11 21.62   2.73  12.17 
2002 12 15.55  -1.12   7.21 
2003 02 18.12   2.79  10.45 
2003 03 22.91   5.38  14.14 
2003 04 25.99   8.85  17.42 
2003 05 34.43  13.53  23.98 
2003 06 40.31  18.57  29.44 
2003 07 43.81  22.81  33.31 
2003 08 40.95  23.00  31.97 
2003 09 37.78  17.12  27.45 
2003 10 32.52  11.70  22.11 
2003 12 15.10   -.68   7.21 
2004 01 15.56  -1.86   6.85 
2004 02 14.50   1.03   7.76 
2004 08 39.54  20.41  29.97 
2004 09 35.07  15.39  25.23 
2004 10 27.18  11.26  19.22 
2004 11 18.44   3.88  11.16 
2004 12 15.04    .36   7.70 
2005 01 15.80   3.82   9.81 
2005 03 21.91   5.20  13.55 
2005 05 33.22  13.88  23.55 
2005 06 36.62  17.71  27.16 
2005 10 28.73  11.39  20.06 
2006 03 18.77   3.52  11.14 
2007 10 31.62   8.20  19.91 
2007 11 24.93   3.47  14.20 
2008 02 16.67    .15   8.41 
2008 03 23.46   2.54  13.00 
2008 05 32.43   9.17  20.80 
2008 07 41.57  21.62  31.59 
2008 08 40.95  20.64  30.79 
2008 09 37.93  14.65  26.29 
2008 12 13.44  -1.58   5.93 
2009 01 15.98  -1.07   7.45 
2009 03 22.96   3.05  13.00 
2009 04 27.32   6.86  17.09 
2009 06 35.68  16.65  26.16 
2009 07 42.19  22.38  32.28 
2009 08 40.02  18.43  29.22 
2009 09 37.65  16.73  27.19 
2009 10 26.59   7.46  17.02 
2010 01 15.08  -1.02   7.03 
2010 02 16.26   3.02   9.64 
2010 03 20.46   4.30  12.38 
2010 04 25.55   6.03  15.79 
2010 05 29.46  10.63  20.04 
2010 06 37.30  16.59  26.94 
2010 07 42.28  21.99  32.13 
2010 08 39.93  21.07  30.50 
2010 09 37.59  13.76  25.68 
2010 10 28.77  11.71  20.24 
2010 11 20.17   1.04  10.61 
2010 12 15.11   1.16   8.13 
2011 01 14.44  -1.64   6.39 
2011 02 16.54   -.50   8.02 
2011 03 21.36   4.00  12.68 
2011 04 25.64   6.50  16.07 
2011 05 29.85   9.95  19.90 
2011 06 37.40  14.87  26.13 
2011 07 40.16  20.88  30.52 
2011 08 41.95  21.27  31.61 
2011 09 37.58  16.54  27.06 
2011 10 28.28   8.60  18.44 
2011 11 18.65   1.57  10.10 
2011 12 14.36  -2.69   5.83 
2012 01 16.45  -3.05   6.70 
2012 02 18.71    .69   9.70 
2012 03 22.68   3.46  13.07 
2012 04 27.87   8.77  18.32 
2012 05 34.59  14.39  24.49 
2012 06 39.30  17.41  28.35 
2012 07 40.09  21.48  30.79 
2012 08 40.18  23.21  31.70 
2012 09 36.36  16.93  26.64 
2012 10 29.43   9.71  19.57 
2012 11 22.44   2.59  12.51 
2012 12 14.54   -.13   7.20 
2013 01 13.61  -4.56   4.52 
2013 02 16.65  -1.94   7.35 
2013 03 24.31   4.29  14.29 
2013 04 28.50   7.55  18.02 
2013 05 33.13  14.01  23.57 
2013 10 26.36   6.00  16.18 
2013 11 20.54   2.55  11.54 
2013 12 11.83  -3.43   4.19 
2014 01 14.70  -3.83   5.43 
2014 04 25.92   8.56  17.24 
