Month | Data | Change | Unit |
---|---|---|---|
November, 1978 | 0.428 | 0 | USD/therms |
December, 1978 | 0.435 | + 0.007 | USD/therms |
January, 1979 | 0.444 | + 0.009 | USD/therms |
February, 1979 | 0.444 | 0 | USD/therms |
March, 1979 | 0.448 | + 0.004 | USD/therms |
April, 1979 | 0.448 | 0 | USD/therms |
May, 1979 | 0.442 | -0.006 | USD/therms |
June, 1979 | 0.437 | -0.005 | USD/therms |
July, 1979 | 0.433 | -0.004 | USD/therms |
August, 1979 | 0.435 | + 0.002 | USD/therms |
September, 1979 | 0.441 | + 0.006 | USD/therms |
October, 1979 | 0.499 | + 0.058 | USD/therms |
November, 1979 | 0.501 | + 0.002 | USD/therms |
December, 1979 | 0.503 | + 0.002 | USD/therms |
January, 1980 | 0.505 | + 0.002 | USD/therms |
February, 1980 | 0.52 | + 0.015 | USD/therms |
March, 1980 | 0.519 | -0.001 | USD/therms |
April, 1980 | 0.522 | + 0.003 | USD/therms |
May, 1980 | 0.526 | + 0.004 | USD/therms |
June, 1980 | 0.516 | -0.01 | USD/therms |
July, 1980 | 0.505 | -0.011 | USD/therms |
August, 1980 | 0.511 | + 0.006 | USD/therms |
September, 1980 | 0.515 | + 0.004 | USD/therms |
October, 1980 | 0.536 | + 0.021 | USD/therms |
November, 1980 | 0.594 | + 0.058 | USD/therms |
December, 1980 | 0.608 | + 0.014 | USD/therms |
January, 1981 | 0.607 | -0.001 | USD/therms |
February, 1981 | 0.611 | + 0.004 | USD/therms |
March, 1981 | 0.618 | + 0.007 | USD/therms |
April, 1981 | 0.627 | + 0.009 | USD/therms |
May, 1981 | 0.626 | -0.001 | USD/therms |
June, 1981 | 0.563 | -0.063 | USD/therms |
July, 1981 | 0.509 | -0.054 | USD/therms |
August, 1981 | 0.415 | -0.094 | USD/therms |
September, 1981 | 0.419 | + 0.004 | USD/therms |
October, 1981 | 0.448 | + 0.029 | USD/therms |
November, 1981 | 0.483 | + 0.035 | USD/therms |
December, 1981 | 0.486 | + 0.003 | USD/therms |
January, 1982 | 0.483 | -0.003 | USD/therms |
February, 1982 | 0.487 | + 0.004 | USD/therms |
March, 1982 | 0.756 | + 0.269 | USD/therms |
April, 1982 | 0.567 | -0.189 | USD/therms |
May, 1982 | 0.567 | 0 | USD/therms |
June, 1982 | 0.571 | + 0.004 | USD/therms |
July, 1982 | 0.573 | + 0.002 | USD/therms |
August, 1982 | 0.571 | -0.002 | USD/therms |
September, 1982 | 0.595 | + 0.024 | USD/therms |
October, 1982 | 0.604 | + 0.009 | USD/therms |
November, 1982 | 0.613 | + 0.009 | USD/therms |
December, 1982 | 0.666 | + 0.053 | USD/therms |
January, 1983 | 0.708 | + 0.042 | USD/therms |
February, 1983 | 0.717 | + 0.009 | USD/therms |
March, 1983 | 0.71 | -0.007 | USD/therms |
April, 1983 | 0.71 | 0 | USD/therms |
May, 1983 | 0.699 | -0.011 | USD/therms |
June, 1983 | 0.708 | + 0.009 | USD/therms |
July, 1983 | 0.701 | -0.007 | USD/therms |
August, 1983 | 0.706 | + 0.005 | USD/therms |
September, 1983 | 0.711 | + 0.005 | USD/therms |
October, 1983 | 0.707 | -0.004 | USD/therms |
November, 1983 | 0.709 | + 0.002 | USD/therms |
December, 1983 | 0.702 | -0.007 | USD/therms |
January, 1984 | 0.689 | -0.013 | USD/therms |
February, 1984 | 0.708 | + 0.019 | USD/therms |
March, 1984 | 0.707 | -0.001 | USD/therms |
April, 1984 | 0.695 | -0.012 | USD/therms |
May, 1984 | 0.701 | + 0.006 | USD/therms |
June, 1984 | 0.695 | -0.006 | USD/therms |
July, 1984 | 0.707 | + 0.012 | USD/therms |
August, 1984 | 0.703 | -0.004 | USD/therms |
September, 1984 | 0.797 | + 0.094 | USD/therms |
October, 1984 | 0.756 | -0.041 | USD/therms |
November, 1984 | 0.745 | -0.011 | USD/therms |
December, 1984 | 0.739 | -0.006 | USD/therms |
January, 1985 | 0.749 | + 0.01 | USD/therms |
February, 1985 | 0.733 | -0.016 | USD/therms |
March, 1985 | 0.834 | + 0.101 | USD/therms |
April, 1985 | 0.739 | -0.095 | USD/therms |
May, 1985 | 0.738 | -0.001 | USD/therms |
June, 1985 | 0.734 | -0.004 | USD/therms |
July, 1985 | 0.717 | -0.017 | USD/therms |
August, 1985 | 0.718 | + 0.001 | USD/therms |
October, 1985 | 0.723 | + 0.005 | USD/therms |
November, 1985 | 0.73 | + 0.007 | USD/therms |
December, 1985 | 0.734 | + 0.004 | USD/therms |
January, 1986 | 0.749 | + 0.015 | USD/therms |
February, 1986 | 0.752 | + 0.003 | USD/therms |
March, 1986 | 0.744 | -0.008 | USD/therms |
April, 1986 | 0.747 | + 0.003 | USD/therms |
May, 1986 | 0.742 | -0.005 | USD/therms |
June, 1986 | 0.736 | -0.006 | USD/therms |
July, 1986 | 0.726 | -0.01 | USD/therms |
August, 1986 | 0.718 | -0.008 | USD/therms |
September, 1986 | 0.719 | + 0.001 | USD/therms |
October, 1986 | 0.714 | -0.005 | USD/therms |
November, 1986 | 0.717 | + 0.003 | USD/therms |
December, 1986 | 0.714 | -0.003 | USD/therms |
January, 1987 | 0.637 | -0.077 | USD/therms |
February, 1987 | 0.636 | -0.001 | USD/therms |
March, 1987 | 0.634 | -0.002 | USD/therms |
April, 1987 | 0.634 | 0 | USD/therms |
May, 1987 | 0.627 | -0.007 | USD/therms |
June, 1987 | 0.583 | -0.044 | USD/therms |
July, 1987 | 0.576 | -0.007 | USD/therms |
August, 1987 | 0.593 | + 0.017 | USD/therms |
September, 1987 | 0.583 | -0.01 | USD/therms |
October, 1987 | 0.582 | -0.001 | USD/therms |
November, 1987 | 0.562 | -0.02 | USD/therms |
December, 1987 | 0.593 | + 0.031 | USD/therms |
January, 1988 | 0.595 | + 0.002 | USD/therms |
February, 1988 | 0.598 | + 0.003 | USD/therms |
March, 1988 | 0.602 | + 0.004 | USD/therms |
April, 1988 | 0.604 | + 0.002 | USD/therms |
May, 1988 | 0.605 | + 0.001 | USD/therms |
June, 1988 | 0.605 | 0 | USD/therms |
July, 1988 | 0.606 | + 0.001 | USD/therms |
August, 1988 | 0.605 | -0.001 | USD/therms |
September, 1988 | 0.602 | -0.003 | USD/therms |
October, 1988 | 0.637 | + 0.035 | USD/therms |
November, 1988 | 0.64 | + 0.003 | USD/therms |
December, 1988 | 0.649 | + 0.009 | USD/therms |
January, 1989 | 0.646 | -0.003 | USD/therms |
February, 1989 | 0.648 | + 0.002 | USD/therms |
March, 1989 | 0.649 | + 0.001 | USD/therms |
April, 1989 | 0.649 | 0 | USD/therms |
May, 1989 | 0.648 | -0.001 | USD/therms |
June, 1989 | 0.647 | -0.001 | USD/therms |
July, 1989 | 0.655 | + 0.008 | USD/therms |
August, 1989 | 0.647 | -0.008 | USD/therms |
September, 1989 | 0.647 | 0 | USD/therms |
October, 1989 | 0.661 | + 0.014 | USD/therms |
November, 1989 | 0.654 | -0.007 | USD/therms |
December, 1989 | 0.623 | -0.031 | USD/therms |
January, 1990 | 0.624 | + 0.001 | USD/therms |
February, 1990 | 0.626 | + 0.002 | USD/therms |
March, 1990 | 0.626 | 0 | USD/therms |
April, 1990 | 0.625 | -0.001 | USD/therms |
May, 1990 | 0.627 | + 0.002 | USD/therms |
June, 1990 | 0.633 | + 0.006 | USD/therms |
July, 1990 | 0.636 | + 0.003 | USD/therms |
August, 1990 | 0.635 | -0.001 | USD/therms |
September, 1990 | 0.635 | 0 | USD/therms |
October, 1990 | 0.632 | -0.003 | USD/therms |
November, 1990 | 0.616 | -0.016 | USD/therms |
December, 1990 | 0.637 | + 0.021 | USD/therms |
January, 1991 | 0.639 | + 0.002 | USD/therms |
February, 1991 | 0.644 | + 0.005 | USD/therms |
March, 1991 | 0.642 | -0.002 | USD/therms |
April, 1991 | 0.643 | + 0.001 | USD/therms |
May, 1991 | 0.641 | -0.002 | USD/therms |
June, 1991 | 0.641 | 0 | USD/therms |
July, 1991 | 0.665 | + 0.024 | USD/therms |
August, 1991 | 0.644 | -0.021 | USD/therms |
September, 1991 | 0.651 | + 0.007 | USD/therms |
October, 1991 | 0.652 | + 0.001 | USD/therms |
November, 1991 | 0.647 | -0.005 | USD/therms |
December, 1991 | 0.614 | -0.033 | USD/therms |
January, 1992 | 0.615 | + 0.001 | USD/therms |
February, 1992 | 0.616 | + 0.001 | USD/therms |
March, 1992 | 0.62 | + 0.004 | USD/therms |
April, 1992 | 0.61 | -0.01 | USD/therms |
May, 1992 | 0.612 | + 0.002 | USD/therms |
June, 1992 | 0.61 | -0.002 | USD/therms |
July, 1992 | 0.612 | + 0.002 | USD/therms |
August, 1992 | 0.611 | -0.001 | USD/therms |
September, 1992 | 0.611 | 0 | USD/therms |
October, 1992 | 0.679 | + 0.068 | USD/therms |
November, 1992 | 0.617 | -0.062 | USD/therms |
December, 1992 | 0.626 | + 0.009 | USD/therms |
January, 1993 | 0.627 | + 0.001 | USD/therms |
February, 1993 | 0.623 | -0.004 | USD/therms |
March, 1993 | 0.64 | + 0.017 | USD/therms |
April, 1993 | 0.629 | -0.011 | USD/therms |
May, 1993 | 0.635 | + 0.006 | USD/therms |
June, 1993 | 0.637 | + 0.002 | USD/therms |
July, 1993 | 0.638 | + 0.001 | USD/therms |
August, 1993 | 0.641 | + 0.003 | USD/therms |
September, 1993 | 0.643 | + 0.002 | USD/therms |
October, 1993 | 0.649 | + 0.006 | USD/therms |
November, 1993 | 0.655 | + 0.006 | USD/therms |
December, 1993 | 0.707 | + 0.052 | USD/therms |
January, 1994 | 0.712 | + 0.005 | USD/therms |
February, 1994 | 0.706 | -0.006 | USD/therms |
March, 1994 | 0.71 | + 0.004 | USD/therms |
April, 1994 | 0.712 | + 0.002 | USD/therms |
May, 1994 | 0.714 | + 0.002 | USD/therms |
June, 1994 | 0.719 | + 0.005 | USD/therms |
July, 1994 | 0.717 | -0.002 | USD/therms |
August, 1994 | 0.715 | -0.002 | USD/therms |
September, 1994 | 0.717 | + 0.002 | USD/therms |
October, 1994 | 0.717 | 0 | USD/therms |
November, 1994 | 0.71 | -0.007 | USD/therms |
December, 1994 | 0.706 | -0.004 | USD/therms |
January, 1995 | 0.689 | -0.017 | USD/therms |
February, 1995 | 0.696 | + 0.007 | USD/therms |
March, 1995 | 0.7 | + 0.004 | USD/therms |
April, 1995 | 0.689 | -0.011 | USD/therms |
May, 1995 | 0.685 | -0.0039999999999999 | USD/therms |
June, 1995 | 0.642 | -0.043 | USD/therms |
July, 1995 | 0.638 | -0.004 | USD/therms |
August, 1995 | 0.632 | -0.006 | USD/therms |
September, 1995 | 0.653 | + 0.021 | USD/therms |
October, 1995 | 0.645 | -0.008 | USD/therms |
November, 1995 | 0.588 | -0.057 | USD/therms |
December, 1995 | 0.584 | -0.004 | USD/therms |
January, 1996 | 0.63 | + 0.046 | USD/therms |
February, 1996 | 0.629 | -0.001 | USD/therms |
March, 1996 | 0.653 | + 0.024 | USD/therms |
April, 1996 | 0.683 | + 0.03 | USD/therms |
May, 1996 | 0.683 | 0 | USD/therms |
June, 1996 | 0.695 | + 0.012 | USD/therms |
July, 1996 | 0.698 | + 0.003 | USD/therms |
August, 1996 | 0.698 | 0 | USD/therms |
September, 1996 | 0.702 | + 0.004 | USD/therms |
October, 1996 | 0.704 | + 0.002 | USD/therms |
November, 1996 | 0.703 | -0.001 | USD/therms |
December, 1996 | 0.755 | + 0.052 | USD/therms |
January, 1997 | 0.767 | + 0.012 | USD/therms |
February, 1997 | 0.79 | + 0.023 | USD/therms |
March, 1997 | 0.799 | + 0.009 | USD/therms |
April, 1997 | 0.813 | + 0.014 | USD/therms |
May, 1997 | 0.807 | -0.0059999999999999 | USD/therms |
June, 1997 | 0.788 | -0.019 | USD/therms |
July, 1997 | 0.767 | -0.021 | USD/therms |
August, 1997 | 0.775 | + 0.008 | USD/therms |
September, 1997 | 0.774 | -0.001 | USD/therms |
October, 1997 | 0.762 | -0.012 | USD/therms |
November, 1997 | 0.762 | 0 | USD/therms |
December, 1997 | 0.763 | + 0.001 | USD/therms |
Year | Year Open - Year Close | Year Min - Year Max | Year Average | Year Change |
---|---|---|---|---|
1997 | 0.767 - 0.763 | 0.762 - 0.813 | 0.78 | -0 |
1996 | 0.63 - 0.755 | 0.629 - 0.755 | 0.69 | + 0.13 |
1995 | 0.689 - 0.584 | 0.584 - 0.7 | 0.65 | -0.11 |
1994 | 0.712 - 0.706 | 0.706 - 0.719 | 0.71 | -0.01 |
1993 | 0.627 - 0.707 | 0.623 - 0.707 | 0.64 | + 0.08 |
1992 | 0.615 - 0.626 | 0.61 - 0.679 | 0.62 | + 0.01 |
1991 | 0.639 - 0.614 | 0.614 - 0.665 | 0.64 | -0.03 |
1990 | 0.624 - 0.637 | 0.616 - 0.637 | 0.63 | + 0.01 |
1989 | 0.646 - 0.623 | 0.623 - 0.661 | 0.65 | -0.02 |
1988 | 0.595 - 0.649 | 0.595 - 0.649 | 0.61 | + 0.05 |
1987 | 0.637 - 0.593 | 0.562 - 0.637 | 0.6 | -0.04 |
1986 | 0.749 - 0.714 | 0.714 - 0.752 | 0.73 | -0.04 |
1985 | 0.749 - 0.734 | 0.717 - 0.834 | 0.74 | -0.02 |
1984 | 0.689 - 0.739 | 0.689 - 0.797 | 0.72 | + 0.05 |
1983 | 0.708 - 0.702 | 0.699 - 0.717 | 0.71 | -0.01 |
1982 | 0.483 - 0.666 | 0.483 - 0.756 | 0.59 | + 0.18 |
1981 | 0.607 - 0.486 | 0.415 - 0.627 | 0.53 | -0.12 |
1980 | 0.505 - 0.608 | 0.505 - 0.608 | 0.53 | + 0.1 |
1979 | 0.444 - 0.503 | 0.433 - 0.503 | 0.46 | + 0.06 |
1978 | 0.428 - 0.435 | 0.428 - 0.435 | 0.43 | + 0.01 |