1955 07 -99.99  15.82 -99.99 
1955 08 -99.99  13.75 -99.99 
1955 09 -99.99   6.31 -99.99 
1956 04 -99.99  -5.75 -99.99 
1956 05 -99.99   1.84 -99.99 
1956 06 -99.99  13.36 -99.99 
1956 07 -99.99  12.44 -99.99 
1956 08 -99.99  12.05 -99.99 
1956 09 -99.99   4.76 -99.99 
1957 04 -99.99  -1.49 -99.99 
1957 05 -99.99   5.10 -99.99 
1957 06 -99.99   7.95 -99.99 
1957 07 -99.99  15.54 -99.99 
1957 08 -99.99  12.35 -99.99 
1957 09 -99.99   5.73 -99.99 
1958 05 -99.99   3.91 -99.99 
1958 06 -99.99   7.11 -99.99 
1958 07 -99.99  12.50 -99.99 
1958 08 -99.99  11.72 -99.99 
1958 09 -99.99   7.23 -99.99 
1959 04 -99.99  -2.16 -99.99 
1959 05 -99.99   3.66 -99.99 
1959 06 -99.99  11.08 -99.99 
1959 07 -99.99  13.92 -99.99 
1959 08 -99.99  12.68 -99.99 
1960 04 -99.99  -3.03 -99.99 
1960 05 -99.99   4.66 -99.99 
1960 06 -99.99   9.62 -99.99 
1960 07 -99.99  12.62 -99.99 
1960 08 -99.99  12.52 -99.99 
1961 05 -99.99   2.80 -99.99 
1961 06 -99.99  10.89 -99.99 
1961 07 -99.99  13.33 -99.99 
1961 08 -99.99  13.16 -99.99 
1962 04 -99.99  -5.70 -99.99 
1962 05 -99.99   3.85 -99.99 
1962 06 -99.99  11.79 -99.99 
1962 07 -99.99  12.61 -99.99 
1962 08 -99.99  12.50 -99.99 
1962 09 -99.99   6.27 -99.99 
1963 04 -99.99  -1.84 -99.99 
1963 05 -99.99   3.55 -99.99 
1963 06 -99.99  12.82 -99.99 
1963 07 -99.99  15.76 -99.99 
1980 02 -99.99 -22.56 -99.99 
1980 03 -99.99 -19.12 -99.99 
1980 04 -99.99  -2.09 -99.99 
1980 05 -99.99   5.86 -99.99 
1980 06 -99.99   8.97 -99.99 
1980 07 -99.99  12.03 -99.99 
1980 08  22.19  10.52  16.35 
1980 09  15.38   5.67  10.52 
1980 10   7.97   -.45   3.76 
1980 11   1.83  -7.22  -2.69 
1980 12 -12.03 -23.33 -17.68 
1981 01  -9.20 -99.99 -99.99 
1981 02  -6.58 -14.79 -10.68 
1981 03   3.04  -8.17  -2.56 
1981 04   6.80  -3.71   1.54 
1981 05  15.50   1.29   8.39 
1981 06  20.31   8.07  14.19 
1981 07  25.73  12.87  19.29 
1981 08  24.13  13.40  18.76 
1981 09  17.12   6.52  11.82 
1981 10   7.86   -.13   3.86 
1981 11 -99.99  -3.46 -99.99 
1981 12 -10.22 -18.36 -14.29 
1982 01 -20.86 -99.99 -99.99 
1982 02 -10.74 -99.99 -99.99 
1982 03  -3.63 -99.99 -99.99 
1982 04   6.67  -5.82   0.42 
1982 05  15.11   5.00  10.05 
1982 06  18.71   6.22  12.46 
1982 07  23.98  13.20  18.59 
1982 08  21.13  10.18  15.65 
1982 09  17.51   6.24  11.87 
1982 12  -7.17 -99.99 -99.99 
1983 01  -8.52 -99.99 -99.99 
1983 02  -6.88 -99.99 -99.99 
1983 04   6.51 -99.99 -99.99 
1983 05  11.14 -99.99 -99.99 
1983 06  20.82   8.85  14.84 
1983 07  26.46  15.54  21.00 
1983 08  26.79  13.81  20.30 
1983 09  18.37 -99.99 -99.99 
1983 10   9.27 -99.99 -99.99 
1983 11 -99.99  -4.12 -99.99 
1983 12 -16.62 -99.99 -99.99 
1984 01 -12.31 -99.99 -99.99 
1984 02  -3.55 -99.99 -99.99 
1984 03  -3.45 -99.99 -99.99 
1984 04  10.33  -1.28   4.52 
1984 05  13.40 -99.99 -99.99 
1984 06  21.43  10.30  15.86 
1984 07  24.25  12.48  18.36 
1984 08  25.88  13.27  19.57 
1984 09  14.80 -99.99 -99.99 
1984 10   9.97 -99.99 -99.99 
1984 11  -1.77 -99.99 -99.99 
1984 12 -12.44 -99.99 -99.99 
1985 01 -12.67 -99.99 -99.99 
1985 02 -12.51 -99.99 -99.99 
1985 03   1.21 -99.99 -99.99 
1985 04  10.20  -3.31   3.44 
1985 05  16.87   3.67  10.27 
1985 06  17.69   6.73  12.21 
1985 07  22.83  10.31  16.57 
1985 08  19.85   9.68  14.77 
1985 09  13.79 -99.99 -99.99 
1985 10   8.81 -99.99 -99.99 
1985 11  -7.33 -99.99 -99.99 
1985 12 -13.51 -99.99 -99.99 
1986 01  -9.57 -99.99 -99.99 
1986 02 -10.78 -99.99 -99.99 
1986 03   0.58 -99.99 -99.99 
1986 04   6.68  -2.33   2.17 
1986 05  16.70   5.45  11.07 
1986 06  20.07   8.47  14.27 
1986 07  24.02  12.69  18.35 
1986 08  22.95   9.33  16.14 
1986 09  15.19   5.14  10.16 
1986 10  10.29  -1.34   4.47 
1986 11  -5.81 -99.99 -99.99 
1986 12  -6.14 -16.28 -11.21 
1987 01  -7.05 -99.99 -99.99 
1987 02  -3.14 -99.99 -99.99 
1987 03  -1.21 -99.99 -99.99 
1987 04  13.68  -1.28   6.20 
1987 05  19.15   6.49  12.82 
1987 06  25.46  10.69  18.07 
1987 07 -99.99  12.18 -99.99 
1987 08 -99.99   9.35 -99.99 
1987 09 -99.99   6.97 -99.99 
1987 10 -99.99  -2.08 -99.99 
1987 11 -99.99  -6.63 -99.99 
1988 04 -99.99  -4.40 -99.99 
1988 05 -99.99   5.01 -99.99 
1988 06 -99.99  13.88 -99.99 
1988 07 -99.99  12.84 -99.99 
1988 08 -99.99  11.70 -99.99 
1988 09 -99.99   5.89 -99.99 
1988 10 -99.99  -2.29 -99.99 
1988 11 -99.99  -7.72 -99.99 
1989 03 -99.99 -17.57 -99.99 
1990 03 -99.99 -12.19 -99.99 
1990 04 -99.99  -5.29 -99.99 
1990 05 -99.99   1.10 -99.99 
1990 06 -99.99  10.03 -99.99 
1990 07 -99.99  11.83 -99.99 
1990 08 -99.99  11.46 -99.99 
1990 09 -99.99   5.91 -99.99 
1990 10 -99.99  -1.59 -99.99 
1990 11 -99.99  -9.54 -99.99 
1991 04 -99.99  -3.10 -99.99 
1991 05 -99.99   5.59 -99.99 
1991 06 -99.99  12.28 -99.99 
1991 07 -99.99  12.14 -99.99 
1991 08 -99.99  11.83 -99.99 
1991 09  17.27   5.19  11.23 
1991 10   7.78  -3.89   1.94 
1992 09  16.18 -99.99 -99.99 
1993 02 -10.31 -99.99 -99.99 
1993 03   -.90 -99.99 -99.99 
1993 12  -7.98 -18.61 -13.29 
1994 01 -18.73 -29.56 -24.14 
1994 02 -12.82 -25.06 -18.93 
1994 03   2.19  -8.74  -3.27 
1994 04   9.13  -3.85   2.64 
1994 05  17.76   3.85  10.80 
1994 06  23.67  10.40  17.03 
1994 07  24.19  11.94  18.06 
1994 08  22.92   9.31  16.11 
1994 09  20.70   7.37  14.03 
1994 10  11.85   4.13   7.99 
1994 11   2.33  -6.73  -2.20 
1994 12  -6.34 -15.90 -11.12 
1995 01 -11.16 -21.68 -16.42 
1995 02 -10.75 -23.98 -17.36 
1995 03  -1.68 -10.22  -5.95 
1995 04   5.42  -5.82   -.20 
1995 05  16.43   2.97   9.70 
1995 06  25.97  12.55  19.26 
1995 07  25.97  12.40  19.18 
1995 08  25.56  12.68  19.11 
1995 09  18.54   5.27  11.91 
1995 10   9.83   -.75   4.54 
1995 11  -6.30 -15.80 -11.05 
1995 12 -11.89 -22.53 -17.21 
1996 01 -18.40 -28.05 -23.22 
1996 02  -8.88 -20.90 -14.89 
1996 03  -5.95 -19.45 -12.70 
1996 04   4.17  -7.55  -1.69 
1996 05  14.50   1.00   7.75 
1996 06  23.93  11.03  17.48 
1996 07  25.34  12.69  19.01 
1996 08  25.87  12.30  19.08 
1996 09  18.42   7.39  12.90 
1996 10   9.56   0.74   5.15 
1996 11  -6.33 -15.35 -10.84 
1996 12 -13.87 -23.19 -18.53 
1997 01 -15.23 -24.79 -20.01 
1997 02  -6.48 -19.82 -13.15 
1997 03  -2.61 -15.58  -9.09 
1997 04   6.21  -7.00   -.39 
1997 05  13.76   0.90   7.33 
1997 06  25.34  11.35  18.34 
1997 07  24.60  13.98  19.29 
1997 08  24.08  11.47  17.77 
1997 09  20.33   8.28  14.30 
1997 10   9.42   0.52   4.97 
1997 11  -2.85  -8.79  -5.82 
1997 12  -2.34  -9.87  -6.10 
1998 01 -10.47 -18.48 -14.47 
1998 02   -.88  -7.25  -4.06 
1998 03  -1.00 -10.05  -5.52 
1998 04  13.70   0.58   7.14 
1998 05  18.79   5.25  12.02 
1998 06  20.43  10.74  15.58 
1998 07  25.90  12.53  19.21 
1998 08  27.10  13.18  20.14 
1998 09  20.65   7.87  14.26 
1998 10  10.95   2.71   6.83 
1998 11   0.57  -5.15  -2.29 
1998 12  -9.66 -17.26 -13.46 
1999 01 -13.11 -22.90 -18.00 
1999 02  -3.79 -12.98  -8.38 
1999 03   2.56  -8.13  -2.78 
1999 04  12.63   -.47   6.08 
1999 05  16.96   6.13  11.54 
1999 06  22.33  10.28  16.30 
1999 07  26.56  13.06  19.81 
1999 08  24.61  11.71  18.16 
1999 09  17.25   6.23  11.74 
1999 10   9.37   -.52   4.42 
1999 11   5.08  -4.44   0.31 
1999 12  -3.66 -13.76  -8.71 
2000 01 -11.48 -23.94 -17.70 
2000 02  -4.03 -16.21 -10.12 
2000 03   4.05  -5.47   -.70 
2000 04   9.63  -2.50   3.56 
2000 05  17.40   3.98  10.69 
2000 06  19.65   8.97  14.31 
2000 07  25.44  13.10  19.27 
2000 08  24.74  12.44  18.59 
2000 09  18.07   6.10  12.08 
2000 10  12.45   1.42   6.93 
2000 11  -1.40  -8.13  -4.76 
2000 12 -16.68 -26.47 -21.57 
2001 01  -7.21 -18.08 -12.64 
2001 02 -13.00 -24.39 -18.69 
2001 03   -.84 -11.87  -6.35 
2001 04  10.28   -.88   4.69 
2001 05  17.68   6.73  12.20 
2001 06  20.88  10.28  15.58 
2001 07  25.55  14.40  19.97 
2001 08  27.18  13.23  20.20 
2001 09  19.87   7.07  13.47 
2001 10   9.85   -.77   4.54 
2001 11   4.50  -2.97   0.76 
2001 12  -6.10 -16.00 -11.05 
2002 01 -10.61 -19.66 -15.13 
2002 02  -4.98 -16.93 -10.95 
2002 03  -7.10 -18.98 -13.04 
2002 04   5.78  -4.75   0.51 
2002 05  14.90   0.22   7.56 
2002 06  23.63  11.07  17.34 
2002 07  26.89  13.82  20.35 
2002 08  24.15  12.05  18.10 
2002 09  19.33   7.18  13.25 
2002 10   4.96  -4.55   0.20 
2002 11  -1.87 -10.80  -6.33 
2002 12  -5.23 -13.26  -9.24 
2003 01 -10.76 -20.24 -15.50 
2003 02 -13.77 -24.50 -19.13 
2003 03  -2.82 -13.85  -8.33 
2003 04  10.14  -2.68   3.73 
2003 05  20.46   4.23  12.35 
2003 06  23.23   9.78  16.50 
2003 07  25.61  12.77  19.19 
2003 08  27.79  14.42  21.10 
2003 09  17.71   7.73  12.72 
2003 10  11.60   0.73   6.16 
2003 11  -2.93 -11.68  -7.30 
2003 12  -4.56 -15.10  -9.83 
2004 01 -17.60 -27.60 -22.60 
2004 02  -6.72 -16.90 -11.81 
2004 03   -.52 -11.52  -6.02 
2004 04   7.28  -2.09   2.59 
2004 05  12.92   0.87   6.89 
2004 06  18.96   8.33  13.65 
2004 07  23.89  12.02  17.95 
2004 08  19.50   8.47  13.99 
2004 09  19.82   9.02  14.42 
2004 10  10.21   1.08   5.64 
2004 11   3.12  -6.22  -1.55 
2004 12 -10.06 -22.48 -16.27 
2005 01 -13.77 -26.39 -20.08 
2005 03  -2.27 -14.47  -8.37 
2005 04  11.23   0.52   5.87 
2005 05  14.98   4.06   9.51 
2005 06  21.00  12.87  16.93 
2005 07  25.57  14.07  19.82 
2005 08  23.13  12.44  17.78 
2005 09  20.08   8.14  14.11 
2005 10  11.19   2.24   6.71 
2005 11   0.33  -6.88  -3.27 
2005 12  -5.52 -12.92  -9.22 
2006 02 -10.86 -22.32 -16.59 
2006 03   -.85 -10.97  -5.91 
2006 04  14.18   1.93   8.05 
2006 05  17.42   6.60  12.01 
2006 06  24.23  12.20  18.21 
2006 07  27.52  13.23  20.37 
2006 08  26.12  12.54  19.33 
2006 09  19.35   7.27  13.31 
2006 10   8.39   -.63   3.88 
2006 12  -5.02 -14.62  -9.82 
2007 02 -13.23 -24.04 -18.63 
2007 03   -.95 -10.67  -5.81 
2007 04   9.33  -3.32   3.00 
2007 06  21.43  11.07  16.25 
2007 07  26.90  14.56  20.73 
2007 08  23.48  11.15  17.31 
2007 09  17.92   7.12  12.52 
2007 11  -1.12  -7.87  -4.49 
2008 01 -11.97 -22.63 -17.29 
2013 03   4.15 -99.99 -99.99 
2013 04   7.61  -4.06   1.77 
2013 05  16.39   1.24   8.81 
2013 07  25.76  10.07  17.91 
