1981 02 30.72 -99.99 -99.99 
1981 12 30.00 -99.99 -99.99 
1983 05 31.58 -99.99 -99.99 
1984 08 29.97 -99.99 -99.99 
1985 03 30.98 -99.99 -99.99 
1985 05 31.04  26.23  28.63 
1985 06 30.00  25.80  27.90 
1985 07 99.99  25.90 -99.99 
1985 08 99.99  25.50 -99.99 
1985 09 29.69  25.30  27.49 
1985 10 99.99  25.10 -99.99 
1985 11 99.99  25.30 -99.99 
1986 01 99.99  25.70 -99.99 
1986 02 99.99  26.20 -99.99 
1986 03 99.99  25.90 -99.99 
1986 04 99.99  26.80 -99.99 
1986 05 30.97  25.90  28.43 
1986 06 30.63  26.10  28.36 
1986 07 99.99  26.10 -99.99 
1986 08 29.94  25.50  27.72 
1986 09 29.14  24.60  26.87 
1986 10 99.99  25.70 -99.99 
1986 11 99.99  26.10 -99.99 
1986 12 99.99  25.20 -99.99 
1987 02 99.99  26.10 -99.99 
1987 03 31.87  26.90  29.38 
1987 04 99.99  26.40 -99.99 
1987 06 99.99  27.10 -99.99 
1987 07 99.99  27.10 -99.99 
1987 08 99.99  25.80 -99.99 
1987 09 99.99  26.20 -99.99 
1987 11 30.63  26.00  28.31 
1987 12 99.99  25.60 -99.99 
1988 10 99.99  26.40 -99.99 
1988 12 99.99  25.80 -99.99 
1989 01 99.99  25.60 -99.99 
1989 02 30.67  25.90  28.28 
1989 03 99.99  25.40 -99.99 
1989 04 99.99  26.60 -99.99 
1989 05 99.99  26.50 -99.99 
1989 06 30.10  25.50  27.80 
1989 07 99.99  26.60 -99.99 
1989 10 99.99  25.90 -99.99 
1992 02 99.99  26.30 -99.99 
1992 04 99.99  27.80 -99.99 
1992 11 99.99  26.50 -99.99 
1992 12 99.99  26.30 -99.99 
1993 01 99.99  26.30 -99.99 
1993 03 30.94  26.90  28.92 
1993 04 31.76  27.80  29.78 
1993 05 99.99  27.10 -99.99 
1993 06 30.61  27.60  29.10 
1993 07 99.99  26.70 -99.99 
1993 08 30.16  26.70  28.43 
1993 09 29.89  26.60  28.24 
1993 10 99.99  26.90 -99.99 
1993 11 29.26  25.80  27.53 
1993 12 99.99  26.00 -99.99 
1994 01 30.25  26.70  28.47 
1994 02 30.96  27.10  29.03 
1994 03 31.21  27.00  29.10 
1994 04 31.95  27.60  29.77 
1994 05 31.11  27.70  29.40 
1994 06 99.99  27.20 -99.99 
1994 07 99.99  27.40 -99.99 
1994 08 99.99  26.30 -99.99 
1994 09 99.99  27.40 -99.99 
1994 10 30.05  25.80  27.92 
1994 11 99.99  25.90 -99.99 
1994 12 30.47  27.00  28.73 
1995 01 30.95  26.80  28.87 
1995 02 99.99  26.70 -99.99 
1995 03 99.99  27.70 -99.99 
1995 04 99.99  27.90 -99.99 
1995 05 30.93  27.70  29.31 
1995 06 99.99  27.90 -99.99 
1995 07 30.72  27.60  29.16 
1995 08 30.35  26.90  28.62 
1995 09 99.99  26.90 -99.99 
1995 10 99.99  26.80 -99.99 
1995 11 29.94  26.90  28.42 
1995 12 30.37  26.60  28.48 
1996 01 30.17  26.40  28.28 
1996 02 30.61  26.60  28.60 
1996 04 31.06  27.80  29.43 
1996 05 31.30  28.10  29.70 
1996 07 30.20  26.60  28.40 
1996 08 30.10  26.90  28.50 
1996 09 29.80  26.50  28.15 
1996 10 29.20  25.70  27.45 
1997 01 30.60  26.70  28.65 
1997 02 31.00  26.70  28.85 
1997 03 31.80  27.50  29.65 
1997 06 31.50  28.00  29.75 
1997 07 30.60  27.30  28.95 
1997 09 30.30  26.50  28.40 
1997 10 30.70  26.50  28.60 
1997 11 30.60  26.80  28.70 
1998 02 31.30  27.40  29.34 
1998 03 32.20  28.10  30.15 
1998 04 32.59  28.30  30.45 
1998 05 32.00  27.90  29.95 
1998 06 31.40  27.30  29.34 
1998 07 30.60  26.50  28.55 
1998 08 30.50  27.00  28.75 
1998 09 30.00  26.50  28.25 
1998 10 30.20  26.60  28.40 
1998 11 29.70  26.20  27.95 
1998 12 99.99  26.00 -99.99 
1999 02 30.50  26.70  28.60 
1999 03 31.10  27.40  29.25 
1999 04 31.00  27.30  29.15 
1999 05 30.40  26.50  28.45 
1999 06 30.30  26.30  28.30 
1999 07 30.50  26.20  28.35 
1999 08 30.20  25.90  28.05 
1999 09 30.50  26.30  28.40 
1999 10 29.80  26.10  27.95 
1999 12 30.10  26.00  28.05 
2000 04 31.00  27.90  29.45 
2000 05 30.90  27.20  29.05 
2000 06 30.10  26.50  28.30 
2000 07 30.30  26.50  28.40 
2000 08 30.00  26.20  28.10 
2000 09 30.00  25.90  27.95 
2000 10 30.20  26.50  28.35 
2000 11 30.30  26.40  28.34 
2000 12 30.40  26.60  28.50 
2001 01 30.30  26.60  28.45 
2001 02 30.50  26.50  28.50 
2001 03 31.50  27.80  29.65 
2001 04 31.40  27.20  29.30 
2001 05 31.30  27.60  29.45 
2001 06 30.90  27.20  29.05 
2001 07 30.60  26.90  28.75 
2001 08 30.50  26.90  28.70 
2001 09 30.00  25.90  27.95 
2001 10 29.90  26.40  28.15 
2001 11 30.40  26.20  28.30 
2001 12 30.30  25.90  28.09 
2002 01 30.70  27.10  28.90 
2002 02 30.90  26.60  28.75 
2002 03 31.30  27.10  29.20 
2002 04 31.60  27.20  29.40 
2002 05 31.60  27.60  29.60 
2002 06 30.90  27.10  29.00 
2002 07 30.80  27.20  29.00 
2002 08 30.20  26.80  28.50 
2002 09 30.60  26.70  28.65 
2002 10 30.30  26.50  28.40 
2002 11 30.20  26.00  28.10 
2002 12 29.90  25.70  27.80 
2003 01 30.20  26.20  28.20 
2003 02 30.90  26.80  28.84 
2003 03 31.50  27.10  29.30 
2003 04 32.00  27.60  29.80 
2003 05 31.80  28.20  30.00 
2003 06 31.00  26.80  28.90 
2003 07 31.00  26.60  28.80 
2003 08 30.60  27.20  28.90 
2003 09 30.30  26.10  28.20 
2003 10 30.60  27.10  28.85 
2003 11 29.90  25.10  27.50 
2003 12 30.70  26.40  28.55 
2004 10 99.99 -99.99  27.80 
2004 12 30.24 -99.99 -99.99 
2005 02 99.99 -99.99  29.40 
2005 03 99.99 -99.99  29.80 
2005 04 99.99 -99.99  30.00 
2005 05 99.99 -99.99  29.30 
2005 06 99.99 -99.99  28.70 
2005 07 99.99 -99.99  28.50 
2005 08 99.99 -99.99  28.70 
2005 09 99.99 -99.99  27.90 
2005 12 30.23 -99.99 -99.99 
2006 01 99.99 -99.99  28.00 
2006 02 31.14 -99.99 -99.99 
2006 03 99.99 -99.99  29.10 
2006 04 99.99 -99.99  29.50 
2006 05 99.99 -99.99  29.40 
2006 06 99.99 -99.99  28.80 
2006 07 99.99 -99.99  28.70 
2006 08 99.99 -99.99  28.20 
2006 09 99.99 -99.99  27.70 
2006 10 99.99 -99.99  28.60 
2006 11 99.99 -99.99  27.30 
2006 12 99.99 -99.99  27.40 
2007 01 30.69 -99.99 -99.99 
2007 02 99.99 -99.99  28.50 
2007 03 99.99 -99.99  29.20 
2007 04 99.99 -99.99  29.50 
2007 05 99.99 -99.99  29.20 
2007 06 31.47 -99.99  29.00 
2008 01 99.99 -99.99  27.90 
2008 02 99.99 -99.99  28.50 
2008 03 99.99 -99.99  28.40 
2008 04 99.99 -99.99  28.90 
2008 05 99.99 -99.99  28.80 
2008 06 99.99 -99.99  28.40 
2008 07 99.99 -99.99  28.40 
2008 08 99.99 -99.99  28.40 
2008 09 99.99 -99.99  29.00 
2008 10 99.99 -99.99  28.50 
2008 11 99.99 -99.99  28.40 
2008 12 99.99 -99.99  28.20 
2009 01 99.99 -99.99  28.20 
2009 02 99.99  26.12  28.60 
2009 03 99.99 -99.99  29.50 
2009 04 99.99 -99.99  29.30 
2009 05 99.99 -99.99  29.20 
2009 06 99.99 -99.99  28.90 
2009 07 99.99 -99.99  28.70 
2009 08 99.99 -99.99  27.80 
2009 09 99.99 -99.99  28.40 
2009 10 99.99 -99.99  29.20 
2009 11 99.99 -99.99  28.20 
2010 01 99.99 -99.99  28.80 
2010 02 99.99 -99.99  29.00 
2010 03 99.99 -99.99  29.40 
2010 04 99.99 -99.99  29.80 
2010 05 99.99 -99.99  28.30 
2010 06 99.99 -99.99  28.70 
2010 07 99.99 -99.99  28.30 
2010 08 99.99 -99.99  28.80 
2010 09 99.99 -99.99  28.50 
2010 10 99.99 -99.99  28.60 
2010 11 99.99 -99.99  28.30 
2010 12 99.99 -99.99  27.60 
2011 02 99.99 -99.99  28.10 
2011 03 99.99 -99.99  29.10 
2011 05 99.99 -99.99  28.90 
2011 06 99.99 -99.99  29.40 
2011 07 99.99 -99.99  29.00 
2011 08 99.99 -99.99  28.90 
2011 09 99.99 -99.99  28.80 
2011 11 99.99 -99.99  28.80 
2012 04 99.99  27.10 -99.99 
2012 10 31.17 -99.99 -99.99 
2012 11 31.14 -99.99 -99.99 
2013 01 31.31 -99.99 -99.99 
2013 02 31.57 -99.99 -99.99 
2013 04 32.25  27.70  29.97 
2013 05 31.34 -99.99 -99.99 
2013 06 31.17 -99.99 -99.99 
2013 07 31.30 -99.99 -99.99 
2013 09 99.99  26.34 -99.99 
2014 01 99.99  26.07 -99.99 
2014 02 99.99  26.20 -99.99 
