1976 09 34.74  20.98  27.86 
1976 10 33.75  23.20  28.47 
1976 11 33.52 -99.99 -99.99 
1976 12 34.49 -99.99 -99.99 
1977 01 30.75 -99.99 -99.99 
1977 02 30.56  22.44  26.50 
1977 03 31.15  22.84  26.99 
1977 04 30.96  23.44  27.20 
1977 05 31.05  22.87  26.96 
1977 06 31.00  22.13  26.56 
1977 07 31.18 -99.99 -99.99 
1977 08 32.84 -99.99 -99.99 
1977 09 34.52 -99.99 -99.99 
1977 10 34.27  23.96  29.11 
1977 11 35.29  23.60  29.44 
1977 12 32.93  23.65  28.29 
1978 01 31.17  23.27  27.22 
1978 02 31.19  23.77  27.48 
1978 03 30.31  23.23  26.77 
1978 04 31.02  23.58  27.30 
1978 05 31.23  23.45  27.34 
1978 06 30.91  22.60  26.75 
1978 07 31.30  22.15  26.72 
1978 08 32.72  21.55  27.13 
1978 09 34.16  22.44  28.30 
1978 10 33.14  22.58  27.86 
1978 11 33.00  22.79  27.90 
1978 12 31.80  22.76  27.28 
1979 04 31.72  23.42  27.57 
1979 07 32.71  21.43  27.07 
1979 08 33.30  22.38  27.84 
1979 09 33.07  22.76  27.91 
1979 10 34.02  23.27  28.64 
1980 07 32.49  21.65  27.07 
1980 08 34.50  21.75  28.12 
1980 09 35.23  22.93  29.08 
1980 11 34.13  23.29  28.71 
1981 04 32.43  23.73  28.08 
1981 05 32.41  23.11  27.76 
1981 06 33.15  21.98  27.56 
1981 07 34.03  21.75  27.89 
1981 08 35.24  21.70  28.47 
1981 09 36.48  22.55  29.51 
1981 10 36.32  23.36  29.84 
1981 11 35.91  24.08  29.99 
1981 12 34.58  23.57  29.07 
1982 05 31.99  23.16  27.57 
1982 06 32.14  22.34  27.24 
1982 07 32.80  22.11  27.45 
1982 08 34.28  22.44  28.36 
1982 09 35.32  23.07  29.19 
1982 10 35.12  22.86  28.99 
1982 11 35.79  23.29  29.54 
1983 01 33.70  23.98  28.84 
1983 02 31.60  23.44  27.52 
1983 03 32.27  23.35  27.81 
1983 04 32.91  23.79  28.35 
1983 05 32.80  23.99  28.39 
1983 06 33.33  22.92  28.12 
1983 07 34.71  22.27  28.49 
1983 08 35.68  22.80  29.24 
1983 09 36.50  23.02  29.76 
1983 10 34.58  23.06  28.82 
1983 11 35.63  23.70  29.66 
1983 12 34.56 -99.99 -99.99 
1984 01 31.26 -99.99 -99.99 
1984 02 31.38 -99.99 -99.99 
1984 03 31.19  23.07  27.13 
1984 04 30.77  23.26  27.01 
1984 05 30.79  23.44  27.11 
1984 06 31.49  22.32  26.90 
1984 07 31.79 -99.99 -99.99 
1984 08 32.95 -99.99 -99.99 
1984 09 33.41 -99.99 -99.99 
1984 10 34.34 -99.99 -99.99 
1984 11 34.11 -99.99 -99.99 
1984 12 34.16 -99.99 -99.99 
1985 01 30.82 -99.99 -99.99 
1985 02 30.68 -99.99 -99.99 
1985 03 31.15  23.72  27.43 
1985 04 29.85  23.47  26.66 
1985 05 30.75  23.83  27.29 
1985 06 30.84  22.73  26.78 
1985 07 30.95  22.47  26.71 
1985 08 32.77  22.45  27.61 
1985 09 34.58  23.04  28.81 
1985 10 34.43 -99.99 -99.99 
1985 11 32.79 -99.99 -99.99 
1985 12 31.13 -99.99 -99.99 
1986 01 31.22 -99.99 -99.99 
1986 02 30.64 -99.99 -99.99 
1986 03 30.69 -99.99 -99.99 
1986 04 30.94 -99.99 -99.99 
1986 05 31.81 -99.99 -99.99 
1986 06 30.85  21.11  25.98 
1986 07 31.59  20.97  26.28 
1986 08 33.29  21.10  27.19 
1986 09 34.41  21.87  28.14 
1986 10 32.90  21.63  27.26 
1986 11 32.86  21.70  27.28 
1986 12 33.27  21.43  27.35 
1987 01 32.05  21.56  26.80 
1987 02 32.04  21.81  26.92 
1987 03 30.86  21.72  26.29 
1987 04 32.15  22.27  27.21 
1987 05 32.75  22.21  27.48 
1987 06 31.93  21.64  26.78 
1987 07 32.72  21.10  26.91 
1987 08 34.09  23.82  28.96 
1987 09 35.40 -99.99 -99.99 
1987 10 35.49 -99.99 -99.99 
1987 11 36.16 -99.99 -99.99 
1987 12 35.52 -99.99 -99.99 
1988 01 32.00 -99.99 -99.99 
1988 02 31.76 -99.99 -99.99 
1988 03 31.75 -99.99 -99.99 
1988 04 30.80 -99.99 -99.99 
1988 05 32.02 -99.99 -99.99 
1988 06 31.27 -99.99 -99.99 
1989 09 99.99  21.60 -99.99 
1989 12 99.99  21.90 -99.99 
1990 01 99.99  21.70 -99.99 
1990 06 32.20 -99.99 -99.99 
1990 10 99.99  24.90 -99.99 
1991 01 99.99  23.20 -99.99 
1991 07 99.99  21.50 -99.99 
1991 11 99.99  23.20 -99.99 
1995 08 34.70 -99.99 -99.99 
1995 09 36.70 -99.99 -99.99 
1995 10 37.00 -99.99 -99.99 
1995 11 34.30 -99.99 -99.99 
1995 12 99.99  23.80 -99.99 
1996 01 32.30  23.20  27.75 
1996 02 32.20  23.30  27.75 
1996 03 32.20  22.80  27.50 
1996 04 31.40  23.60  27.50 
1996 05 32.40  23.70  28.05 
1996 06 32.70  22.30  27.50 
1996 07 99.99  21.80 -99.99 
1996 08 99.99  22.50 -99.99 
1996 09 37.00  22.80  29.90 
1996 10 99.99  22.80 -99.99 
1996 11 35.00  23.90  29.45 
1996 12 34.70  24.10  29.40 
1997 01 99.99  22.60 -99.99 
1997 02 32.80  22.10  27.45 
1997 03 31.40  22.20  26.80 
1997 04 32.40  21.90  27.15 
1997 05 32.40  21.30  26.85 
1997 06 99.99  20.40 -99.99 
1997 07 34.00  19.20  26.60 
1997 08 35.50  19.79  27.65 
1997 09 36.80  19.70  28.25 
1997 11 35.30  20.20  27.75 
1997 12 34.80 -99.99 -99.99 
1998 02 34.00  22.50  28.25 
1998 05 99.99  25.20 -99.99 
1998 06 33.50  23.80  28.65 
1998 07 34.20  23.40  28.80 
1998 08 35.59  23.80  29.70 
1998 09 99.99  24.10 -99.99 
1998 10 37.20  24.30  30.75 
1998 11 99.99  24.80 -99.99 
1998 12 99.99  24.10 -99.99 
1999 01 99.99  24.00 -99.99 
1999 04 32.20  23.80  28.00 
1999 05 32.20  23.70  27.95 
1999 06 33.00  23.50  28.25 
1999 07 99.99  22.20 -99.99 
1999 08 35.00  22.60  28.80 
1999 09 36.70  24.10  30.40 
1999 10 36.59  24.10  30.34 
1999 11 99.99  24.60 -99.99 
1999 12 99.99  24.40 -99.99 
2000 01 99.99  23.70 -99.99 
2000 02 99.99  23.70 -99.99 
2000 03 99.99  23.90 -99.99 
2000 04 99.99  23.90 -99.99 
2000 05 99.99  24.10 -99.99 
2000 06 99.99  23.60 -99.99 
2000 07 99.99  23.40 -99.99 
2000 08 34.40  23.00  28.70 
2000 09 35.70  23.80  29.75 
2000 10 36.90  23.90  30.40 
2000 11 37.50  24.30  30.90 
2000 12 35.80  24.50  30.15 
2001 01 33.09  23.70  28.40 
2001 02 33.09  23.10  28.09 
2001 03 33.20  23.80  28.50 
2001 04 33.40  23.90  28.65 
2001 05 33.70  24.70  29.20 
2001 06 32.50  23.40  27.95 
2001 07 33.40  22.70  28.05 
2001 08 34.80  22.00  28.40 
2001 09 36.70  23.90  30.30 
2001 10 37.00  24.30  30.65 
2001 11 34.80  25.30  30.05 
2001 12 34.90  25.20  30.05 
2002 01 31.40  24.00  27.70 
2002 02 32.80  24.50  28.65 
2002 03 32.30  24.20  28.25 
2002 04 32.50  24.30  28.40 
2002 05 32.59  24.80  28.70 
2002 06 31.70  23.60  27.65 
2002 08 99.99  23.70 -99.99 
2002 09 34.59  24.00  29.30 
2002 10 35.70  24.60  30.15 
2002 11 35.59  25.10  30.34 
2002 12 34.30  25.00  29.65 
2003 01 33.00  24.80  28.90 
2003 02 31.80  23.90  27.84 
2003 04 32.50  24.90  28.70 
2003 05 32.50  24.70  28.60 
2003 06 32.00  23.80  27.90 
2003 07 32.50  23.40  27.95 
2003 08 33.59  24.00  28.80 
2003 09 34.80  24.40  29.59 
2003 10 36.09  25.10  30.59 
2003 11 34.80  25.10  29.95 
2003 12 34.20  24.90  29.55 
2004 01 32.09  24.70  28.40 
2004 02 31.60  24.30  27.95 
2004 03 32.09  25.00  28.55 
2004 04 99.99  24.70 -99.99 
2004 05 33.09  25.10  29.09 
2004 06 32.00  24.20  28.10 
2004 07 32.40  23.60  28.00 
2004 08 34.00  24.00  29.00 
2004 09 35.09  24.40  29.75 
2004 10 36.20  24.70  30.45 
2004 11 35.59  24.90  30.25 
2004 12 35.00  25.30  30.15 
2005 12 99.99 -99.99  27.90 
2006 01 99.99 -99.99  27.60 
2006 03 99.99 -99.99  27.40 
2006 04 99.99 -99.99  26.80 
2006 05 99.99 -99.99  27.40 
2006 06 99.99 -99.99  27.60 
2006 07 99.99 -99.99  27.60 
2006 09 99.99 -99.99  29.20 
2006 10 99.99 -99.99  29.60 
2006 12 99.99 -99.99  28.30 
2007 02 99.99 -99.99  26.40 
2007 03 99.99 -99.99  26.80 
2007 04 99.99 -99.99  26.80 
2007 05 99.99 -99.99  27.90 
2007 06 99.99 -99.99  27.50 
2007 07 99.99 -99.99  27.50 
2007 08 99.99 -99.99  28.40 
2007 09 99.99 -99.99  29.50 
2007 10 99.99 -99.99  29.70 
2007 11 99.99 -99.99  29.80 
2007 12 99.99 -99.99  28.10 
2008 01 99.99 -99.99  26.40 
2008 02 99.99 -99.99  26.50 
2008 03 99.99 -99.99  26.20 
2008 04 99.99 -99.99  26.60 
2008 06 99.99 -99.99  27.20 
2008 07 99.99 -99.99  27.40 
2008 08 99.99 -99.99  28.50 
2008 09 99.99 -99.99  29.40 
2008 10 99.99 -99.99  29.80 
2008 11 99.99 -99.99  29.50 
2008 12 99.99 -99.99  28.60 
2009 01 99.99 -99.99  28.60 
2009 02 99.99 -99.99  26.70 
2009 03 99.99 -99.99  26.70 
2009 04 99.99 -99.99  26.60 
2009 05 99.99 -99.99  27.10 
2009 06 99.99 -99.99  28.10 
2009 07 99.99 -99.99  27.90 
2009 08 99.99 -99.99  28.30 
2009 09 99.99 -99.99  29.40 
2009 10 99.99 -99.99  29.40 
2009 11 99.99 -99.99  29.80 
2009 12 99.99 -99.99  29.00 
2010 01 99.99 -99.99  27.90 
2010 02 99.99 -99.99  28.50 
2010 03 99.99 -99.99  28.70 
2010 04 99.99 -99.99  28.40 
2010 05 99.99 -99.99  29.10 
2010 07 99.99 -99.99  28.20 
2010 08 99.99 -99.99  29.20 
2010 09 99.99 -99.99  30.20 
2010 10 99.99 -99.99  29.80 
2010 11 99.99 -99.99  29.40 
2010 12 99.99 -99.99  28.60 
2011 01 99.99 -99.99  27.70 
2011 02 99.99 -99.99  26.80 
2011 03 99.99 -99.99  27.70 
2011 04 99.99 -99.99  27.40 
2011 05 99.99 -99.99  28.20 
2011 06 99.99 -99.99  28.30 
2011 07 99.99 -99.99  27.70 
2011 08 99.99 -99.99  28.70 
2011 09 99.99 -99.99  29.80 
2011 10 99.99 -99.99  29.30 
2011 11 99.99 -99.99  29.10 
2011 12 99.99 -99.99  29.40 
