October, 1983 | 5.62 | 0 | Dollars per Thousand Cubic Feet |
November, 1983 | 5.67 | + 0.05 | Dollars per Thousand Cubic Feet |
December, 1983 | 5.62 | -0.05 | Dollars per Thousand Cubic Feet |
January, 1984 | 5.49 | -0.13 | Dollars per Thousand Cubic Feet |
February, 1984 | 5.54 | + 0.05 | Dollars per Thousand Cubic Feet |
March, 1984 | 5.57 | + 0.03 | Dollars per Thousand Cubic Feet |
April, 1984 | 5.52 | -0.050000000000001 | Dollars per Thousand Cubic Feet |
May, 1984 | 5.6 | + 0.08 | Dollars per Thousand Cubic Feet |
June, 1984 | 5.67 | + 0.07 | Dollars per Thousand Cubic Feet |
July, 1984 | 5.6 | -0.07 | Dollars per Thousand Cubic Feet |
August, 1984 | 5.47 | -0.13 | Dollars per Thousand Cubic Feet |
September, 1984 | 5.53 | + 0.06 | Dollars per Thousand Cubic Feet |
October, 1984 | 5.54 | + 0.0099999999999998 | Dollars per Thousand Cubic Feet |
November, 1984 | 5.56 | + 0.02 | Dollars per Thousand Cubic Feet |
December, 1984 | 5.6 | + 0.04 | Dollars per Thousand Cubic Feet |
January, 1985 | 5.62 | + 0.02 | Dollars per Thousand Cubic Feet |
February, 1985 | 5.53 | -0.09 | Dollars per Thousand Cubic Feet |
March, 1985 | 5.59 | + 0.06 | Dollars per Thousand Cubic Feet |
April, 1985 | 5.65 | + 0.06 | Dollars per Thousand Cubic Feet |
May, 1985 | 5.59 | -0.06 | Dollars per Thousand Cubic Feet |
June, 1985 | 5.65 | + 0.06 | Dollars per Thousand Cubic Feet |
July, 1985 | 5.44 | -0.21 | Dollars per Thousand Cubic Feet |
August, 1985 | 5.42 | -0.02 | Dollars per Thousand Cubic Feet |
September, 1985 | 5.37 | -0.05 | Dollars per Thousand Cubic Feet |
October, 1985 | 5.3 | -0.07 | Dollars per Thousand Cubic Feet |
November, 1985 | 5.39 | + 0.09 | Dollars per Thousand Cubic Feet |
December, 1985 | 5.25 | -0.14 | Dollars per Thousand Cubic Feet |
January, 1986 | 5.25 | 0 | Dollars per Thousand Cubic Feet |
February, 1986 | 5.28 | + 0.03 | Dollars per Thousand Cubic Feet |
March, 1986 | 5.25 | -0.03 | Dollars per Thousand Cubic Feet |
April, 1986 | 5.23 | -0.02 | Dollars per Thousand Cubic Feet |
May, 1986 | 5.19 | -0.04 | Dollars per Thousand Cubic Feet |
June, 1986 | 5.09 | -0.1 | Dollars per Thousand Cubic Feet |
July, 1986 | 5.02 | -0.07 | Dollars per Thousand Cubic Feet |
August, 1986 | 4.9 | -0.12 | Dollars per Thousand Cubic Feet |
September, 1986 | 4.93 | + 0.029999999999999 | Dollars per Thousand Cubic Feet |
October, 1986 | 4.88 | -0.05 | Dollars per Thousand Cubic Feet |
November, 1986 | 4.74 | -0.14 | Dollars per Thousand Cubic Feet |
December, 1986 | 4.73 | -0.0099999999999998 | Dollars per Thousand Cubic Feet |
January, 1987 | 4.8 | + 0.069999999999999 | Dollars per Thousand Cubic Feet |
February, 1987 | 4.79 | -0.0099999999999998 | Dollars per Thousand Cubic Feet |
March, 1987 | 4.8 | + 0.0099999999999998 | Dollars per Thousand Cubic Feet |
April, 1987 | 4.9 | + 0.1 | Dollars per Thousand Cubic Feet |
May, 1987 | 4.88 | -0.02 | Dollars per Thousand Cubic Feet |
June, 1987 | 4.87 | -0.0099999999999998 | Dollars per Thousand Cubic Feet |
July, 1987 | 4.78 | -0.09 | Dollars per Thousand Cubic Feet |
August, 1987 | 4.77 | -0.010000000000001 | Dollars per Thousand Cubic Feet |
September, 1987 | 4.6 | -0.17 | Dollars per Thousand Cubic Feet |
October, 1987 | 4.62 | + 0.02 | Dollars per Thousand Cubic Feet |
November, 1987 | 4.66 | + 0.04 | Dollars per Thousand Cubic Feet |
December, 1987 | 4.67 | + 0.0099999999999998 | Dollars per Thousand Cubic Feet |
January, 1988 | 4.6 | -0.07 | Dollars per Thousand Cubic Feet |
February, 1988 | 4.69 | + 0.090000000000001 | Dollars per Thousand Cubic Feet |
March, 1988 | 4.69 | 0 | Dollars per Thousand Cubic Feet |
April, 1988 | 4.71 | + 0.02 | Dollars per Thousand Cubic Feet |
May, 1988 | 4.61 | -0.1 | Dollars per Thousand Cubic Feet |
June, 1988 | 4.53 | -0.08 | Dollars per Thousand Cubic Feet |
July, 1988 | 4.48 | -0.05 | Dollars per Thousand Cubic Feet |
August, 1988 | 4.37 | -0.11 | Dollars per Thousand Cubic Feet |
September, 1988 | 4.41 | + 0.04 | Dollars per Thousand Cubic Feet |
October, 1988 | 4.53 | + 0.12 | Dollars per Thousand Cubic Feet |
November, 1988 | 4.69 | + 0.16 | Dollars per Thousand Cubic Feet |
December, 1988 | 4.78 | + 0.09 | Dollars per Thousand Cubic Feet |
January, 1989 | 4.81 | + 0.029999999999999 | Dollars per Thousand Cubic Feet |
February, 1989 | 4.8 | -0.0099999999999998 | Dollars per Thousand Cubic Feet |
March, 1989 | 4.79 | -0.0099999999999998 | Dollars per Thousand Cubic Feet |
April, 1989 | 4.77 | -0.02 | Dollars per Thousand Cubic Feet |
May, 1989 | 4.64 | -0.13 | Dollars per Thousand Cubic Feet |
June, 1989 | 4.57 | -0.069999999999999 | Dollars per Thousand Cubic Feet |
July, 1989 | 4.65 | + 0.08 | Dollars per Thousand Cubic Feet |
August, 1989 | 4.61 | -0.04 | Dollars per Thousand Cubic Feet |
September, 1989 | 4.67 | + 0.06 | Dollars per Thousand Cubic Feet |
October, 1989 | 4.61 | -0.06 | Dollars per Thousand Cubic Feet |
November, 1989 | 4.71 | + 0.1 | Dollars per Thousand Cubic Feet |
December, 1989 | 4.81 | + 0.1 | Dollars per Thousand Cubic Feet |
January, 1990 | 4.97 | + 0.16 | Dollars per Thousand Cubic Feet |
February, 1990 | 5.05 | + 0.08 | Dollars per Thousand Cubic Feet |
March, 1990 | 4.92 | -0.13 | Dollars per Thousand Cubic Feet |
April, 1990 | 4.82 | -0.1 | Dollars per Thousand Cubic Feet |
May, 1990 | 4.63 | -0.19 | Dollars per Thousand Cubic Feet |
June, 1990 | 4.56 | -0.07 | Dollars per Thousand Cubic Feet |
July, 1990 | 4.45 | -0.11 | Dollars per Thousand Cubic Feet |
August, 1990 | 4.55 | + 0.1 | Dollars per Thousand Cubic Feet |
September, 1990 | 4.55 | 0 | Dollars per Thousand Cubic Feet |
October, 1990 | 4.66 | + 0.11 | Dollars per Thousand Cubic Feet |
November, 1990 | 4.81 | + 0.15 | Dollars per Thousand Cubic Feet |
December, 1990 | 4.92 | + 0.11 | Dollars per Thousand Cubic Feet |
January, 1991 | 4.94 | + 0.02 | Dollars per Thousand Cubic Feet |
February, 1991 | 4.94 | 0 | Dollars per Thousand Cubic Feet |
March, 1991 | 4.89 | -0.050000000000001 | Dollars per Thousand Cubic Feet |
April, 1991 | 4.87 | -0.02 | Dollars per Thousand Cubic Feet |
May, 1991 | 4.65 | -0.22 | Dollars per Thousand Cubic Feet |
June, 1991 | 4.8 | + 0.15 | Dollars per Thousand Cubic Feet |
July, 1991 | 4.5 | -0.3 | Dollars per Thousand Cubic Feet |
August, 1991 | 4.73 | + 0.23 | Dollars per Thousand Cubic Feet |
September, 1991 | 4.57 | -0.16 | Dollars per Thousand Cubic Feet |
October, 1991 | 4.58 | + 0.0099999999999998 | Dollars per Thousand Cubic Feet |
November, 1991 | 4.71 | + 0.13 | Dollars per Thousand Cubic Feet |
December, 1991 | 4.84 | + 0.13 | Dollars per Thousand Cubic Feet |
January, 1992 | 4.85 | + 0.0099999999999998 | Dollars per Thousand Cubic Feet |
February, 1992 | 5.03 | + 0.18 | Dollars per Thousand Cubic Feet |
March, 1992 | 4.77 | -0.26 | Dollars per Thousand Cubic Feet |
April, 1992 | 4.77 | 0 | Dollars per Thousand Cubic Feet |
May, 1992 | 4.59 | -0.18 | Dollars per Thousand Cubic Feet |
June, 1992 | 4.72 | + 0.13 | Dollars per Thousand Cubic Feet |
July, 1992 | 4.64 | -0.08 | Dollars per Thousand Cubic Feet |
August, 1992 | 4.73 | + 0.090000000000001 | Dollars per Thousand Cubic Feet |
September, 1992 | 4.69 | -0.04 | Dollars per Thousand Cubic Feet |
October, 1992 | 4.9 | + 0.21 | Dollars per Thousand Cubic Feet |
November, 1992 | 5.12 | + 0.22 | Dollars per Thousand Cubic Feet |
December, 1992 | 5.11 | -0.0099999999999998 | Dollars per Thousand Cubic Feet |
January, 1993 | 5.23 | + 0.12 | Dollars per Thousand Cubic Feet |
February, 1993 | 5.14 | -0.090000000000001 | Dollars per Thousand Cubic Feet |
March, 1993 | 5.1 | -0.04 | Dollars per Thousand Cubic Feet |
April, 1993 | 5.19 | + 0.090000000000001 | Dollars per Thousand Cubic Feet |
May, 1993 | 5.31 | + 0.12 | Dollars per Thousand Cubic Feet |
June, 1993 | 5.4 | + 0.090000000000001 | Dollars per Thousand Cubic Feet |
July, 1993 | 5.15 | -0.25 | Dollars per Thousand Cubic Feet |
August, 1993 | 5.34 | + 0.19 | Dollars per Thousand Cubic Feet |
September, 1993 | 5.35 | + 0.0099999999999998 | Dollars per Thousand Cubic Feet |
October, 1993 | 5.18 | -0.17 | Dollars per Thousand Cubic Feet |
November, 1993 | 5.21 | + 0.03 | Dollars per Thousand Cubic Feet |
December, 1993 | 5.33 | + 0.12 | Dollars per Thousand Cubic Feet |
January, 1994 | 5.5 | + 0.17 | Dollars per Thousand Cubic Feet |
February, 1994 | 5.58 | + 0.08 | Dollars per Thousand Cubic Feet |
March, 1994 | 5.67 | + 0.09 | Dollars per Thousand Cubic Feet |
April, 1994 | 5.6 | -0.07 | Dollars per Thousand Cubic Feet |
May, 1994 | 5.47 | -0.13 | Dollars per Thousand Cubic Feet |
June, 1994 | 5.37 | -0.1 | Dollars per Thousand Cubic Feet |
July, 1994 | 5.25 | -0.12 | Dollars per Thousand Cubic Feet |
August, 1994 | 5.31 | + 0.06 | Dollars per Thousand Cubic Feet |
September, 1994 | 5.36 | + 0.050000000000001 | Dollars per Thousand Cubic Feet |
October, 1994 | 5.11 | -0.25 | Dollars per Thousand Cubic Feet |
November, 1994 | 5.19 | + 0.08 | Dollars per Thousand Cubic Feet |
December, 1994 | 5.24 | + 0.05 | Dollars per Thousand Cubic Feet |
January, 1995 | 5.23 | -0.0099999999999998 | Dollars per Thousand Cubic Feet |
February, 1995 | 5.14 | -0.090000000000001 | Dollars per Thousand Cubic Feet |
March, 1995 | 5.12 | -0.02 | Dollars per Thousand Cubic Feet |
April, 1995 | 5.08 | -0.04 | Dollars per Thousand Cubic Feet |
May, 1995 | 5.04 | -0.04 | Dollars per Thousand Cubic Feet |
June, 1995 | 5.16 | + 0.12 | Dollars per Thousand Cubic Feet |
July, 1995 | 5.03 | -0.13 | Dollars per Thousand Cubic Feet |
August, 1995 | 4.99 | -0.04 | Dollars per Thousand Cubic Feet |
September, 1995 | 4.98 | -0.0099999999999998 | Dollars per Thousand Cubic Feet |
October, 1995 | 4.82 | -0.16 | Dollars per Thousand Cubic Feet |
November, 1995 | 4.77 | -0.050000000000001 | Dollars per Thousand Cubic Feet |
December, 1995 | 5 | + 0.23 | Dollars per Thousand Cubic Feet |
January, 1996 | 5.29 | + 0.29 | Dollars per Thousand Cubic Feet |
February, 1996 | 5.25 | -0.04 | Dollars per Thousand Cubic Feet |
March, 1996 | 5.36 | + 0.11 | Dollars per Thousand Cubic Feet |
April, 1996 | 5.34 | -0.02 | Dollars per Thousand Cubic Feet |
May, 1996 | 5.4 | + 0.06 | Dollars per Thousand Cubic Feet |
June, 1996 | 5.43 | + 0.029999999999999 | Dollars per Thousand Cubic Feet |
July, 1996 | 5.46 | + 0.03 | Dollars per Thousand Cubic Feet |
August, 1996 | 5.56 | + 0.1 | Dollars per Thousand Cubic Feet |
September, 1996 | 5.46 | -0.1 | Dollars per Thousand Cubic Feet |
October, 1996 | 5.33 | -0.13 | Dollars per Thousand Cubic Feet |
November, 1996 | 5.4 | + 0.07 | Dollars per Thousand Cubic Feet |
December, 1996 | 5.78 | + 0.38 | Dollars per Thousand Cubic Feet |
January, 1997 | 6.19 | + 0.41 | Dollars per Thousand Cubic Feet |
February, 1997 | 6.14 | -0.050000000000001 | Dollars per Thousand Cubic Feet |
March, 1997 | 5.73 | -0.41 | Dollars per Thousand Cubic Feet |
April, 1997 | 5.46 | -0.27 | Dollars per Thousand Cubic Feet |
May, 1997 | 5.39 | -0.07 | Dollars per Thousand Cubic Feet |
June, 1997 | 5.64 | + 0.25 | Dollars per Thousand Cubic Feet |
July, 1997 | 5.35 | -0.29 | Dollars per Thousand Cubic Feet |
August, 1997 | 5.43 | + 0.08 | Dollars per Thousand Cubic Feet |
September, 1997 | 5.58 | + 0.15 | Dollars per Thousand Cubic Feet |
October, 1997 | 5.74 | + 0.16 | Dollars per Thousand Cubic Feet |
November, 1997 | 5.86 | + 0.12 | Dollars per Thousand Cubic Feet |
December, 1997 | 5.72 | -0.14 | Dollars per Thousand Cubic Feet |
January, 1998 | 5.65 | -0.069999999999999 | Dollars per Thousand Cubic Feet |
February, 1998 | 5.59 | -0.06 | Dollars per Thousand Cubic Feet |
March, 1998 | 5.4 | -0.19 | Dollars per Thousand Cubic Feet |
April, 1998 | 5.64 | + 0.24 | Dollars per Thousand Cubic Feet |
May, 1998 | 5.73 | + 0.090000000000001 | Dollars per Thousand Cubic Feet |
June, 1998 | 5.51 | -0.22 | Dollars per Thousand Cubic Feet |
July, 1998 | 5.64 | + 0.13 | Dollars per Thousand Cubic Feet |
August, 1998 | 5.46 | -0.18 | Dollars per Thousand Cubic Feet |
September, 1998 | 5.49 | + 0.03 | Dollars per Thousand Cubic Feet |
October, 1998 | 5.31 | -0.18 | Dollars per Thousand Cubic Feet |
November, 1998 | 5.22 | -0.09 | Dollars per Thousand Cubic Feet |
December, 1998 | 5.23 | + 0.010000000000001 | Dollars per Thousand Cubic Feet |
January, 1999 | 5.19 | -0.04 | Dollars per Thousand Cubic Feet |
February, 1999 | 5.28 | + 0.09 | Dollars per Thousand Cubic Feet |
March, 1999 | 4.97 | -0.31 | Dollars per Thousand Cubic Feet |
April, 1999 | 5.31 | + 0.34 | Dollars per Thousand Cubic Feet |
May, 1999 | 5.34 | + 0.03 | Dollars per Thousand Cubic Feet |
June, 1999 | 5.29 | -0.05 | Dollars per Thousand Cubic Feet |
July, 1999 | 5.43 | + 0.14 | Dollars per Thousand Cubic Feet |
August, 1999 | 5.45 | + 0.02 | Dollars per Thousand Cubic Feet |
September, 1999 | 5.55 | + 0.1 | Dollars per Thousand Cubic Feet |
October, 1999 | 5.46 | -0.09 | Dollars per Thousand Cubic Feet |
November, 1999 | 5.72 | + 0.26 | Dollars per Thousand Cubic Feet |
December, 1999 | 5.57 | -0.15 | Dollars per Thousand Cubic Feet |
January, 2000 | 5.77 | + 0.2 | Dollars per Thousand Cubic Feet |
February, 2000 | 5.95 | + 0.18 | Dollars per Thousand Cubic Feet |
March, 2000 | 5.78 | -0.17 | Dollars per Thousand Cubic Feet |
April, 2000 | 6.03 | + 0.25 | Dollars per Thousand Cubic Feet |
May, 2000 | 5.97 | -0.06 | Dollars per Thousand Cubic Feet |
June, 2000 | 6.49 | + 0.52 | Dollars per Thousand Cubic Feet |
July, 2000 | 6.55 | + 0.06 | Dollars per Thousand Cubic Feet |
August, 2000 | 6.08 | -0.47 | Dollars per Thousand Cubic Feet |
September, 2000 | 6.92 | + 0.84 | Dollars per Thousand Cubic Feet |
October, 2000 | 7.48 | + 0.56 | Dollars per Thousand Cubic Feet |
November, 2000 | 7.57 | + 0.09 | Dollars per Thousand Cubic Feet |
December, 2000 | 8.2 | + 0.63 | Dollars per Thousand Cubic Feet |
January, 2001 | 9.5 | + 1.3 | Dollars per Thousand Cubic Feet |
February, 2001 | 9.8 | + 0.3 | Dollars per Thousand Cubic Feet |
March, 2001 | 9.14 | -0.66 | Dollars per Thousand Cubic Feet |
April, 2001 | 9.01 | -0.13 | Dollars per Thousand Cubic Feet |
May, 2001 | 9.19 | + 0.18 | Dollars per Thousand Cubic Feet |
June, 2001 | 8.5 | -0.69 | Dollars per Thousand Cubic Feet |
July, 2001 | 7.9 | -0.6 | Dollars per Thousand Cubic Feet |
August, 2001 | 7.61 | -0.29 | Dollars per Thousand Cubic Feet |
September, 2001 | 6.96 | -0.65 | Dollars per Thousand Cubic Feet |
October, 2001 | 6.39 | -0.57 | Dollars per Thousand Cubic Feet |
November, 2001 | 6.79 | + 0.4 | Dollars per Thousand Cubic Feet |
December, 2001 | 6.35 | -0.44 | Dollars per Thousand Cubic Feet |
January, 2002 | 6.51 | + 0.16 | Dollars per Thousand Cubic Feet |
February, 2002 | 6.4 | -0.11 | Dollars per Thousand Cubic Feet |
March, 2002 | 6.28 | -0.12 | Dollars per Thousand Cubic Feet |
April, 2002 | 6.56 | + 0.28 | Dollars per Thousand Cubic Feet |
May, 2002 | 6.68 | + 0.12 | Dollars per Thousand Cubic Feet |
June, 2002 | 6.8 | + 0.12 | Dollars per Thousand Cubic Feet |
July, 2002 | 6.62 | -0.18 | Dollars per Thousand Cubic Feet |
August, 2002 | 6.45 | -0.17 | Dollars per Thousand Cubic Feet |
September, 2002 | 6.54 | + 0.09 | Dollars per Thousand Cubic Feet |
October, 2002 | 6.64 | + 0.1 | Dollars per Thousand Cubic Feet |
November, 2002 | 6.89 | + 0.25 | Dollars per Thousand Cubic Feet |
December, 2002 | 7.16 | + 0.27 | Dollars per Thousand Cubic Feet |
January, 2003 | 7.48 | + 0.32 | Dollars per Thousand Cubic Feet |
February, 2003 | 7.98 | + 0.5 | Dollars per Thousand Cubic Feet |
March, 2003 | 9.2 | + 1.22 | Dollars per Thousand Cubic Feet |
April, 2003 | 8.97 | -0.23 | Dollars per Thousand Cubic Feet |
May, 2003 | 8.71 | -0.26 | Dollars per Thousand Cubic Feet |
June, 2003 | 9 | + 0.29 | Dollars per Thousand Cubic Feet |
July, 2003 | 8.73 | -0.27 | Dollars per Thousand Cubic Feet |
August, 2003 | 8.4 | -0.33 | Dollars per Thousand Cubic Feet |
September, 2003 | 8.41 | + 0.0099999999999998 | Dollars per Thousand Cubic Feet |
October, 2003 | 8.28 | -0.13 | Dollars per Thousand Cubic Feet |
November, 2003 | 8.36 | + 0.08 | Dollars per Thousand Cubic Feet |
December, 2003 | 8.62 | + 0.26 | Dollars per Thousand Cubic Feet |
January, 2004 | 9.06 | + 0.44 | Dollars per Thousand Cubic Feet |
February, 2004 | 9.1 | + 0.039999999999999 | Dollars per Thousand Cubic Feet |
March, 2004 | 9.05 | -0.049999999999999 | Dollars per Thousand Cubic Feet |
April, 2004 | 9.02 | -0.030000000000001 | Dollars per Thousand Cubic Feet |
May, 2004 | 9.23 | + 0.21 | Dollars per Thousand Cubic Feet |
June, 2004 | 9.71 | + 0.48 | Dollars per Thousand Cubic Feet |
July, 2004 | 9.65 | -0.06 | Dollars per Thousand Cubic Feet |
August, 2004 | 9.66 | + 0.0099999999999998 | Dollars per Thousand Cubic Feet |
September, 2004 | 9.26 | -0.4 | Dollars per Thousand Cubic Feet |
October, 2004 | 9.17 | -0.09 | Dollars per Thousand Cubic Feet |
November, 2004 | 10.21 | + 1.04 | Dollars per Thousand Cubic Feet |
December, 2004 | 10.42 | + 0.21 | Dollars per Thousand Cubic Feet |
January, 2005 | 10.02 | -0.4 | Dollars per Thousand Cubic Feet |
February, 2005 | 9.83 | -0.19 | Dollars per Thousand Cubic Feet |
March, 2005 | 9.91 | + 0.08 | Dollars per Thousand Cubic Feet |
April, 2005 | 10.25 | + 0.34 | Dollars per Thousand Cubic Feet |
May, 2005 | 10.35 | + 0.1 | Dollars per Thousand Cubic Feet |
June, 2005 | 10.22 | -0.13 | Dollars per Thousand Cubic Feet |
July, 2005 | 10.58 | + 0.36 | Dollars per Thousand Cubic Feet |
August, 2005 | 11.01 | + 0.43 | Dollars per Thousand Cubic Feet |
September, 2005 | 12.59 | + 1.58 | Dollars per Thousand Cubic Feet |
October, 2005 | 14.29 | + 1.7 | Dollars per Thousand Cubic Feet |
November, 2005 | 14.76 | + 0.47 | Dollars per Thousand Cubic Feet |
December, 2005 | 14.01 | -0.75 | Dollars per Thousand Cubic Feet |
January, 2006 | 14.16 | + 0.15 | Dollars per Thousand Cubic Feet |
February, 2006 | 12.95 | -1.21 | Dollars per Thousand Cubic Feet |
March, 2006 | 12.07 | -0.88 | Dollars per Thousand Cubic Feet |
April, 2006 | 11.57 | -0.5 | Dollars per Thousand Cubic Feet |
May, 2006 | 11.61 | + 0.039999999999999 | Dollars per Thousand Cubic Feet |
June, 2006 | 11.09 | -0.52 | Dollars per Thousand Cubic Feet |
July, 2006 | 10.98 | -0.11 | Dollars per Thousand Cubic Feet |
August, 2006 | 11.2 | + 0.22 | Dollars per Thousand Cubic Feet |
September, 2006 | 11.16 | -0.039999999999999 | Dollars per Thousand Cubic Feet |
October, 2006 | 10.05 | -1.11 | Dollars per Thousand Cubic Feet |
November, 2006 | 11.05 | + 1 | Dollars per Thousand Cubic Feet |
December, 2006 | 11.61 | + 0.56 | Dollars per Thousand Cubic Feet |
January, 2007 | 11.18 | -0.43 | Dollars per Thousand Cubic Feet |
February, 2007 | 11.22 | + 0.040000000000001 | Dollars per Thousand Cubic Feet |
March, 2007 | 11.79 | + 0.57 | Dollars per Thousand Cubic Feet |
April, 2007 | 11.5 | -0.29 | Dollars per Thousand Cubic Feet |
May, 2007 | 11.51 | + 0.0099999999999998 | Dollars per Thousand Cubic Feet |
June, 2007 | 11.81 | + 0.3 | Dollars per Thousand Cubic Feet |
July, 2007 | 11.63 | -0.18 | Dollars per Thousand Cubic Feet |
August, 2007 | 11.19 | -0.44 | Dollars per Thousand Cubic Feet |
September, 2007 | 10.92 | -0.27 | Dollars per Thousand Cubic Feet |
October, 2007 | 10.93 | + 0.0099999999999998 | Dollars per Thousand Cubic Feet |
November, 2007 | 11.23 | + 0.3 | Dollars per Thousand Cubic Feet |
December, 2007 | 11.24 | + 0.0099999999999998 | Dollars per Thousand Cubic Feet |
January, 2008 | 11.2 | -0.040000000000001 | Dollars per Thousand Cubic Feet |
February, 2008 | 11.49 | + 0.29 | Dollars per Thousand Cubic Feet |
March, 2008 | 12.03 | + 0.54 | Dollars per Thousand Cubic Feet |
April, 2008 | 12.63 | + 0.6 | Dollars per Thousand Cubic Feet |
May, 2008 | 13.51 | + 0.88 | Dollars per Thousand Cubic Feet |
June, 2008 | 14.68 | + 1.17 | Dollars per Thousand Cubic Feet |
July, 2008 | 15.64 | + 0.96 | Dollars per Thousand Cubic Feet |
August, 2008 | 14.19 | -1.45 | Dollars per Thousand Cubic Feet |
September, 2008 | 13.12 | -1.07 | Dollars per Thousand Cubic Feet |
October, 2008 | 12.06 | -1.06 | Dollars per Thousand Cubic Feet |
November, 2008 | 11.72 | -0.34 | Dollars per Thousand Cubic Feet |
December, 2008 | 11.61 | -0.11 | Dollars per Thousand Cubic Feet |
January, 2009 | 11.28 | -0.33 | Dollars per Thousand Cubic Feet |
February, 2009 | 10.98 | -0.3 | Dollars per Thousand Cubic Feet |
March, 2009 | 10.46 | -0.52 | Dollars per Thousand Cubic Feet |
April, 2009 | 9.7 | -0.76 | Dollars per Thousand Cubic Feet |
May, 2009 | 9.42 | -0.28 | Dollars per Thousand Cubic Feet |
June, 2009 | 9.53 | + 0.11 | Dollars per Thousand Cubic Feet |
July, 2009 | 9.74 | + 0.21 | Dollars per Thousand Cubic Feet |
August, 2009 | 9.52 | -0.22 | Dollars per Thousand Cubic Feet |
September, 2009 | 9.35 | -0.17 | Dollars per Thousand Cubic Feet |
October, 2009 | 8.93 | -0.42 | Dollars per Thousand Cubic Feet |
November, 2009 | 9.45 | + 0.52 | Dollars per Thousand Cubic Feet |
December, 2009 | 9.1 | -0.35 | Dollars per Thousand Cubic Feet |
January, 2010 | 9.65 | + 0.55 | Dollars per Thousand Cubic Feet |
February, 2010 | 9.71 | + 0.06 | Dollars per Thousand Cubic Feet |
March, 2010 | 9.7 | -0.010000000000002 | Dollars per Thousand Cubic Feet |
April, 2010 | 9.57 | -0.13 | Dollars per Thousand Cubic Feet |
May, 2010 | 9.5 | -0.07 | Dollars per Thousand Cubic Feet |
June, 2010 | 9.72 | + 0.22 | Dollars per Thousand Cubic Feet |
July, 2010 | 10.04 | + 0.32 | Dollars per Thousand Cubic Feet |
August, 2010 | 9.94 | -0.1 | Dollars per Thousand Cubic Feet |
September, 2010 | 9.56 | -0.38 | Dollars per Thousand Cubic Feet |
October, 2010 | 9.27 | -0.29 | Dollars per Thousand Cubic Feet |
November, 2010 | 8.86 | -0.41 | Dollars per Thousand Cubic Feet |
December, 2010 | 8.82 | -0.039999999999999 | Dollars per Thousand Cubic Feet |
January, 2011 | 8.74 | -0.08 | Dollars per Thousand Cubic Feet |
February, 2011 | 8.88 | + 0.14 | Dollars per Thousand Cubic Feet |
March, 2011 | 8.89 | + 0.0099999999999998 | Dollars per Thousand Cubic Feet |
April, 2011 | 9.02 | + 0.13 | Dollars per Thousand Cubic Feet |
May, 2011 | 9.35 | + 0.33 | Dollars per Thousand Cubic Feet |
June, 2011 | 9.57 | + 0.22 | Dollars per Thousand Cubic Feet |
July, 2011 | 9.58 | + 0.0099999999999998 | Dollars per Thousand Cubic Feet |
August, 2011 | 9.77 | + 0.19 | Dollars per Thousand Cubic Feet |
September, 2011 | 9.46 | -0.31 | Dollars per Thousand Cubic Feet |
October, 2011 | 8.94 | -0.52 | Dollars per Thousand Cubic Feet |
November, 2011 | 8.62 | -0.32 | Dollars per Thousand Cubic Feet |
December, 2011 | 8.3 | -0.32 | Dollars per Thousand Cubic Feet |
January, 2012 | 8.04 | -0.26 | Dollars per Thousand Cubic Feet |
February, 2012 | 7.76 | -0.28 | Dollars per Thousand Cubic Feet |
March, 2012 | 8.16 | + 0.4 | Dollars per Thousand Cubic Feet |
April, 2012 | 8.04 | -0.12 | Dollars per Thousand Cubic Feet |
May, 2012 | 8.14 | + 0.1 | Dollars per Thousand Cubic Feet |
June, 2012 | 8.44 | + 0.3 | Dollars per Thousand Cubic Feet |
July, 2012 | 8.52 | + 0.08 | Dollars per Thousand Cubic Feet |
August, 2012 | 8.71 | + 0.19 | Dollars per Thousand Cubic Feet |
September, 2012 | 8.35 | -0.36 | Dollars per Thousand Cubic Feet |
October, 2012 | 8.07 | -0.28 | Dollars per Thousand Cubic Feet |
November, 2012 | 7.99 | -0.08 | Dollars per Thousand Cubic Feet |
December, 2012 | 8.18 | + 0.19 | Dollars per Thousand Cubic Feet |
January, 2013 | 7.75 | -0.43 | Dollars per Thousand Cubic Feet |
February, 2013 | 7.78 | + 0.03 | Dollars per Thousand Cubic Feet |
March, 2013 | 7.77 | -0.010000000000001 | Dollars per Thousand Cubic Feet |
April, 2013 | 8.15 | + 0.38 | Dollars per Thousand Cubic Feet |
May, 2013 | 8.71 | + 0.56 | Dollars per Thousand Cubic Feet |
June, 2013 | 9.07 | + 0.36 | Dollars per Thousand Cubic Feet |
July, 2013 | 9.04 | -0.030000000000001 | Dollars per Thousand Cubic Feet |
August, 2013 | 9.04 | 0 | Dollars per Thousand Cubic Feet |
September, 2013 | 8.8 | -0.24 | Dollars per Thousand Cubic Feet |
October, 2013 | 8.28 | -0.52 | Dollars per Thousand Cubic Feet |
November, 2013 | 7.94 | -0.34 | Dollars per Thousand Cubic Feet |
December, 2013 | 7.81 | -0.13 | Dollars per Thousand Cubic Feet |
January, 2014 | 8.11 | + 0.3 | Dollars per Thousand Cubic Feet |
February, 2014 | 8.69 | + 0.58 | Dollars per Thousand Cubic Feet |
March, 2014 | 9.35 | + 0.66 | Dollars per Thousand Cubic Feet |
April, 2014 | 9.49 | + 0.14 | Dollars per Thousand Cubic Feet |
May, 2014 | 9.7 | + 0.21 | Dollars per Thousand Cubic Feet |
June, 2014 | 9.94 | + 0.24 | Dollars per Thousand Cubic Feet |
July, 2014 | 10.06 | + 0.12 | Dollars per Thousand Cubic Feet |
August, 2014 | 9.67 | -0.39 | Dollars per Thousand Cubic Feet |
September, 2014 | 9.39 | -0.28 | Dollars per Thousand Cubic Feet |
October, 2014 | 8.97 | -0.42 | Dollars per Thousand Cubic Feet |
November, 2014 | 8.29 | -0.68 | Dollars per Thousand Cubic Feet |
December, 2014 | 8.53 | + 0.24 | Dollars per Thousand Cubic Feet |
January, 2015 | 8.15 | -0.38 | Dollars per Thousand Cubic Feet |
February, 2015 | 7.81 | -0.34 | Dollars per Thousand Cubic Feet |
March, 2015 | 7.85 | + 0.04 | Dollars per Thousand Cubic Feet |
April, 2015 | 8.03 | + 0.18 | Dollars per Thousand Cubic Feet |
May, 2015 | 8.13 | + 0.1 | Dollars per Thousand Cubic Feet |
June, 2015 | 8.52 | + 0.39 | Dollars per Thousand Cubic Feet |
July, 2015 | 8.49 | -0.029999999999999 | Dollars per Thousand Cubic Feet |
August, 2015 | 8.46 | -0.029999999999999 | Dollars per Thousand Cubic Feet |
September, 2015 | 8.43 | -0.030000000000001 | Dollars per Thousand Cubic Feet |
October, 2015 | 7.79 | -0.64 | Dollars per Thousand Cubic Feet |
November, 2015 | 7.39 | -0.4 | Dollars per Thousand Cubic Feet |
December, 2015 | 7.23 | -0.16 | Dollars per Thousand Cubic Feet |
January, 2016 | 6.75 | -0.48 | Dollars per Thousand Cubic Feet |
February, 2016 | 6.86 | + 0.11 | Dollars per Thousand Cubic Feet |
March, 2016 | 7.08 | + 0.22 | Dollars per Thousand Cubic Feet |
April, 2016 | 6.98 | -0.1 | Dollars per Thousand Cubic Feet |
May, 2016 | 7.32 | + 0.34 | Dollars per Thousand Cubic Feet |
June, 2016 | 7.72 | + 0.4 | Dollars per Thousand Cubic Feet |
July, 2016 | 8.14 | + 0.42 | Dollars per Thousand Cubic Feet |
August, 2016 | 8.3 | + 0.16 | Dollars per Thousand Cubic Feet |
September, 2016 | 8.28 | -0.020000000000001 | Dollars per Thousand Cubic Feet |
October, 2016 | 7.96 | -0.32 | Dollars per Thousand Cubic Feet |
November, 2016 | 7.67 | -0.29 | Dollars per Thousand Cubic Feet |
December, 2016 | 7.27 | -0.4 | Dollars per Thousand Cubic Feet |
January, 2017 | 7.58 | + 0.31 | Dollars per Thousand Cubic Feet |
February, 2017 | 7.89 | + 0.31 | Dollars per Thousand Cubic Feet |
March, 2017 | 7.68 | -0.21 | Dollars per Thousand Cubic Feet |
April, 2017 | 8.04 | + 0.36 | Dollars per Thousand Cubic Feet |
May, 2017 | 8.31 | + 0.27 | Dollars per Thousand Cubic Feet |
June, 2017 | 8.75 | + 0.44 | Dollars per Thousand Cubic Feet |
July, 2017 | 8.81 | + 0.06 | Dollars per Thousand Cubic Feet |
August, 2017 | 8.76 | -0.050000000000001 | Dollars per Thousand Cubic Feet |
September, 2017 | 8.52 | -0.24 | Dollars per Thousand Cubic Feet |
October, 2017 | 7.97 | -0.55 | Dollars per Thousand Cubic Feet |
November, 2017 | 7.51 | -0.46 | Dollars per Thousand Cubic Feet |
December, 2017 | 7.42 | -0.09 | Dollars per Thousand Cubic Feet |
January, 2018 | 7.4 | -0.02 | Dollars per Thousand Cubic Feet |
February, 2018 | 7.74 | + 0.34 | Dollars per Thousand Cubic Feet |
March, 2018 | 7.71 | -0.03 | Dollars per Thousand Cubic Feet |
April, 2018 | 7.65 | -0.06 | Dollars per Thousand Cubic Feet |
May, 2018 | 8.34 | + 0.69 | Dollars per Thousand Cubic Feet |
June, 2018 | 8.58 | + 0.24 | Dollars per Thousand Cubic Feet |
July, 2018 | 8.84 | + 0.26 | Dollars per Thousand Cubic Feet |
August, 2018 | 8.69 | -0.15 | Dollars per Thousand Cubic Feet |
September, 2018 | 8.57 | -0.12 | Dollars per Thousand Cubic Feet |
October, 2018 | 7.69 | -0.88 | Dollars per Thousand Cubic Feet |
November, 2018 | 7.34 | -0.35 | Dollars per Thousand Cubic Feet |
December, 2018 | 7.7 | + 0.36 | Dollars per Thousand Cubic Feet |
January, 2019 | 7.67 | -0.03 | Dollars per Thousand Cubic Feet |
February, 2019 | 7.55 | -0.12 | Dollars per Thousand Cubic Feet |
March, 2019 | 7.41 | -0.14 | Dollars per Thousand Cubic Feet |
April, 2019 | 7.73 | + 0.32 | Dollars per Thousand Cubic Feet |
May, 2019 | 8.06 | + 0.33 | Dollars per Thousand Cubic Feet |
June, 2019 | 8.23 | + 0.17 | Dollars per Thousand Cubic Feet |
July, 2019 | 8.47 | + 0.24 | Dollars per Thousand Cubic Feet |
August, 2019 | 8.42 | -0.050000000000001 | Dollars per Thousand Cubic Feet |
September, 2019 | 8.34 | -0.08 | Dollars per Thousand Cubic Feet |
October, 2019 | 7.64 | -0.7 | Dollars per Thousand Cubic Feet |
November, 2019 | 6.98 | -0.66 | Dollars per Thousand Cubic Feet |
December, 2019 | 7.19 | + 0.21 | Dollars per Thousand Cubic Feet |
January, 2020 | 7.25 | + 0.06 | Dollars per Thousand Cubic Feet |
February, 2020 | 6.87 | -0.38 | Dollars per Thousand Cubic Feet |
March, 2020 | 7.32 | + 0.45 | Dollars per Thousand Cubic Feet |
April, 2020 | 7.28 | -0.04 | Dollars per Thousand Cubic Feet |
May, 2020 | 7.74 | + 0.46 | Dollars per Thousand Cubic Feet |
June, 2020 | 8.19 | + 0.45 | Dollars per Thousand Cubic Feet |
July, 2020 | 8.5 | + 0.31 | Dollars per Thousand Cubic Feet |
August, 2020 | 8.51 | + 0.0099999999999998 | Dollars per Thousand Cubic Feet |
September, 2020 | 8.47 | -0.039999999999999 | Dollars per Thousand Cubic Feet |
October, 2020 | 7.62 | -0.85 | Dollars per Thousand Cubic Feet |
November, 2020 | 7.66 | + 0.04 | Dollars per Thousand Cubic Feet |
December, 2020 | 7.42 | -0.24 | Dollars per Thousand Cubic Feet |
January, 2021 | 7.43 | + 0.0099999999999998 | Dollars per Thousand Cubic Feet |
February, 2021 | 7.38 | -0.05 | Dollars per Thousand Cubic Feet |
March, 2021 | 8.02 | + 0.64 | Dollars per Thousand Cubic Feet |