Month | Data | Change | Unit |
---|---|---|---|
November, 1978 | 0.248 | 0 | USD/therms |
December, 1978 | 0.256 | + 0.008 | USD/therms |
January, 1979 | 0.259 | + 0.003 | USD/therms |
February, 1979 | 0.259 | 0 | USD/therms |
March, 1979 | 0.259 | 0 | USD/therms |
April, 1979 | 0.259 | 0 | USD/therms |
May, 1979 | 0.259 | 0 | USD/therms |
June, 1979 | 0.258 | -0.001 | USD/therms |
July, 1979 | 0.258 | 0 | USD/therms |
August, 1979 | 0.258 | 0 | USD/therms |
September, 1979 | 0.28 | + 0.022 | USD/therms |
October, 1979 | 0.307 | + 0.027 | USD/therms |
November, 1979 | 0.305 | -0.002 | USD/therms |
December, 1979 | 0.306 | + 0.001 | USD/therms |
January, 1980 | 0.306 | 0 | USD/therms |
February, 1980 | 0.312 | + 0.006 | USD/therms |
March, 1980 | 0.313 | + 0.001 | USD/therms |
April, 1980 | 0.313 | 0 | USD/therms |
May, 1980 | 0.314 | + 0.001 | USD/therms |
June, 1980 | 0.312 | -0.002 | USD/therms |
July, 1980 | 0.313 | + 0.001 | USD/therms |
August, 1980 | 0.313 | 0 | USD/therms |
September, 1980 | 0.332 | + 0.019 | USD/therms |
October, 1980 | 0.337 | + 0.005 | USD/therms |
November, 1980 | 0.343 | + 0.006 | USD/therms |
December, 1980 | 0.343 | 0 | USD/therms |
January, 1981 | 0.343 | 0 | USD/therms |
February, 1981 | 0.352 | + 0.009 | USD/therms |
March, 1981 | 0.355 | + 0.003 | USD/therms |
April, 1981 | 0.353 | -0.002 | USD/therms |
May, 1981 | 0.352 | -0.001 | USD/therms |
June, 1981 | 0.352 | 0 | USD/therms |
July, 1981 | 0.356 | + 0.004 | USD/therms |
August, 1981 | 0.356 | 0 | USD/therms |
September, 1981 | 0.376 | + 0.02 | USD/therms |
October, 1981 | 0.377 | + 0.001 | USD/therms |
November, 1981 | 0.383 | + 0.006 | USD/therms |
December, 1981 | 0.396 | + 0.013 | USD/therms |
January, 1982 | 0.395 | -0.001 | USD/therms |
February, 1982 | 0.388 | -0.007 | USD/therms |
March, 1982 | 0.389 | + 0.001 | USD/therms |
April, 1982 | 0.39 | + 0.001 | USD/therms |
May, 1982 | 0.39 | 0 | USD/therms |
June, 1982 | 0.39 | 0 | USD/therms |
July, 1982 | 0.401 | + 0.011 | USD/therms |
August, 1982 | 0.403 | + 0.002 | USD/therms |
September, 1982 | 0.464 | + 0.061 | USD/therms |
October, 1982 | 0.462 | -0.002 | USD/therms |
November, 1982 | 0.529 | + 0.067 | USD/therms |
December, 1982 | 0.574 | + 0.045 | USD/therms |
January, 1983 | 0.591 | + 0.017 | USD/therms |
February, 1983 | 0.592 | + 0.001 | USD/therms |
March, 1983 | 0.592 | 0 | USD/therms |
April, 1983 | 0.592 | 0 | USD/therms |
May, 1983 | 0.592 | 0 | USD/therms |
June, 1983 | 0.592 | 0 | USD/therms |
July, 1983 | 0.589 | -0.003 | USD/therms |
August, 1983 | 0.589 | 0 | USD/therms |
September, 1983 | 0.627 | + 0.038 | USD/therms |
October, 1983 | 0.622 | -0.005 | USD/therms |
November, 1983 | 0.624 | + 0.002 | USD/therms |
December, 1983 | 0.625 | + 0.001 | USD/therms |
January, 1984 | 0.611 | -0.014 | USD/therms |
February, 1984 | 0.635 | + 0.024 | USD/therms |
March, 1984 | 0.634 | -0.001 | USD/therms |
April, 1984 | 0.632 | -0.002 | USD/therms |
May, 1984 | 0.635 | + 0.003 | USD/therms |
June, 1984 | 0.628 | -0.007 | USD/therms |
July, 1984 | 0.636 | + 0.008 | USD/therms |
August, 1984 | 0.632 | -0.004 | USD/therms |
September, 1984 | 0.643 | + 0.011 | USD/therms |
October, 1984 | 0.656 | + 0.013 | USD/therms |
November, 1984 | 0.656 | 0 | USD/therms |
December, 1984 | 0.654 | -0.002 | USD/therms |
January, 1985 | 0.654 | 0 | USD/therms |
February, 1985 | 0.644 | -0.01 | USD/therms |
March, 1985 | 0.644 | 0 | USD/therms |
April, 1985 | 0.644 | 0 | USD/therms |
May, 1985 | 0.641 | -0.003 | USD/therms |
June, 1985 | 0.642 | + 0.001 | USD/therms |
July, 1985 | 0.644 | + 0.002 | USD/therms |
August, 1985 | 0.644 | 0 | USD/therms |
October, 1985 | 0.619 | -0.025 | USD/therms |
November, 1985 | 0.622 | + 0.003 | USD/therms |
December, 1985 | 0.622 | 0 | USD/therms |
January, 1986 | 0.621 | -0.001 | USD/therms |
February, 1986 | 0.623 | + 0.002 | USD/therms |
March, 1986 | 0.624 | + 0.001 | USD/therms |
April, 1986 | 0.572 | -0.052 | USD/therms |
May, 1986 | 0.573 | + 0.001 | USD/therms |
June, 1986 | 0.573 | 0 | USD/therms |
July, 1986 | 0.572 | -0.001 | USD/therms |
August, 1986 | 0.542 | -0.03 | USD/therms |
September, 1986 | 0.569 | + 0.027 | USD/therms |
October, 1986 | 0.572 | + 0.003 | USD/therms |
November, 1986 | 0.561 | -0.011 | USD/therms |
December, 1986 | 0.561 | 0 | USD/therms |
January, 1987 | 0.561 | 0 | USD/therms |
February, 1987 | 0.561 | 0 | USD/therms |
March, 1987 | 0.561 | 0 | USD/therms |
April, 1987 | 0.559 | -0.002 | USD/therms |
May, 1987 | 0.557 | -0.002 | USD/therms |
June, 1987 | 0.551 | -0.006 | USD/therms |
July, 1987 | 0.545 | -0.006 | USD/therms |
August, 1987 | 0.545 | 0 | USD/therms |
September, 1987 | 0.518 | -0.027 | USD/therms |
October, 1987 | 0.507 | -0.011 | USD/therms |
November, 1987 | 0.507 | 0 | USD/therms |
December, 1987 | 0.507 | 0 | USD/therms |
January, 1988 | 0.507 | 0 | USD/therms |
February, 1988 | 0.507 | 0 | USD/therms |
March, 1988 | 0.507 | 0 | USD/therms |
April, 1988 | 0.508 | + 0.001 | USD/therms |
May, 1988 | 0.507 | -0.001 | USD/therms |
June, 1988 | 0.512 | + 0.005 | USD/therms |
July, 1988 | 0.515 | + 0.003 | USD/therms |
August, 1988 | 0.515 | 0 | USD/therms |
September, 1988 | 0.522 | + 0.007 | USD/therms |
October, 1988 | 0.521 | -0.001 | USD/therms |
November, 1988 | 0.521 | 0 | USD/therms |
December, 1988 | 0.522 | + 0.001 | USD/therms |
January, 1989 | 0.538 | + 0.016 | USD/therms |
February, 1989 | 0.534 | -0.004 | USD/therms |
March, 1989 | 0.534 | 0 | USD/therms |
April, 1989 | 0.534 | 0 | USD/therms |
May, 1989 | 0.535 | + 0.001 | USD/therms |
June, 1989 | 0.536 | + 0.001 | USD/therms |
July, 1989 | 0.549 | + 0.013 | USD/therms |
August, 1989 | 0.536 | -0.013 | USD/therms |
September, 1989 | 0.535 | -0.001 | USD/therms |
October, 1989 | 0.591 | + 0.056 | USD/therms |
November, 1989 | 0.591 | 0 | USD/therms |
December, 1989 | 0.591 | 0 | USD/therms |
January, 1990 | 0.591 | 0 | USD/therms |
February, 1990 | 0.589 | -0.002 | USD/therms |
March, 1990 | 0.589 | 0 | USD/therms |
April, 1990 | 0.595 | + 0.006 | USD/therms |
May, 1990 | 0.594 | -0.001 | USD/therms |
June, 1990 | 0.595 | + 0.001 | USD/therms |
July, 1990 | 0.603 | + 0.008 | USD/therms |
August, 1990 | 0.602 | -0.001 | USD/therms |
September, 1990 | 0.602 | 0 | USD/therms |
October, 1990 | 0.607 | + 0.005 | USD/therms |
November, 1990 | 0.607 | 0 | USD/therms |
December, 1990 | 0.615 | + 0.008 | USD/therms |
January, 1991 | 0.626 | + 0.011 | USD/therms |
February, 1991 | 0.626 | 0 | USD/therms |
March, 1991 | 0.626 | 0 | USD/therms |
April, 1991 | 0.626 | 0 | USD/therms |
May, 1991 | 0.625 | -0.001 | USD/therms |
June, 1991 | 0.625 | 0 | USD/therms |
July, 1991 | 0.614 | -0.011 | USD/therms |
August, 1991 | 0.614 | 0 | USD/therms |
September, 1991 | 0.614 | 0 | USD/therms |
October, 1991 | 0.615 | + 0.001 | USD/therms |
November, 1991 | 0.623 | + 0.008 | USD/therms |
December, 1991 | 0.621 | -0.002 | USD/therms |
January, 1992 | 0.635 | + 0.014 | USD/therms |
February, 1992 | 0.635 | 0 | USD/therms |
March, 1992 | 0.635 | 0 | USD/therms |
April, 1992 | 0.635 | 0 | USD/therms |
May, 1992 | 0.639 | + 0.004 | USD/therms |
June, 1992 | 0.621 | -0.018 | USD/therms |
July, 1992 | 0.621 | 0 | USD/therms |
August, 1992 | 0.613 | -0.008 | USD/therms |
September, 1992 | 0.613 | 0 | USD/therms |
October, 1992 | 0.607 | -0.006 | USD/therms |
November, 1992 | 0.607 | 0 | USD/therms |
December, 1992 | 0.607 | 0 | USD/therms |
January, 1993 | 0.607 | 0 | USD/therms |
February, 1993 | 0.6 | -0.007 | USD/therms |
March, 1993 | 0.616 | + 0.016 | USD/therms |
April, 1993 | 0.616 | 0 | USD/therms |
May, 1993 | 0.616 | 0 | USD/therms |
June, 1993 | 0.615 | -0.001 | USD/therms |
July, 1993 | 0.615 | 0 | USD/therms |
August, 1993 | 0.63 | + 0.015 | USD/therms |
September, 1993 | 0.63 | 0 | USD/therms |
October, 1993 | 0.633 | + 0.003 | USD/therms |
November, 1993 | 0.659 | + 0.026 | USD/therms |
December, 1993 | 0.692 | + 0.033 | USD/therms |
January, 1994 | 0.692 | 0 | USD/therms |
February, 1994 | 0.692 | 0 | USD/therms |
March, 1994 | 0.692 | 0 | USD/therms |
April, 1994 | 0.692 | 0 | USD/therms |
May, 1994 | 0.692 | 0 | USD/therms |
June, 1994 | 0.692 | 0 | USD/therms |
July, 1994 | 0.692 | 0 | USD/therms |
August, 1994 | 0.692 | 0 | USD/therms |
September, 1994 | 0.692 | 0 | USD/therms |
October, 1994 | 0.767 | + 0.075 | USD/therms |
November, 1994 | 0.76 | -0.007 | USD/therms |
December, 1994 | 0.76 | 0 | USD/therms |
January, 1995 | 0.76 | 0 | USD/therms |
February, 1995 | 0.762 | + 0.002 | USD/therms |
March, 1995 | 0.762 | 0 | USD/therms |
April, 1995 | 0.744 | -0.018 | USD/therms |
May, 1995 | 0.697 | -0.047 | USD/therms |
June, 1995 | 0.697 | 0 | USD/therms |
July, 1995 | 0.697 | 0 | USD/therms |
August, 1995 | 0.699 | + 0.002 | USD/therms |
September, 1995 | 0.698 | -0.001 | USD/therms |
October, 1995 | 0.699 | + 0.001 | USD/therms |
November, 1995 | 0.723 | + 0.024 | USD/therms |
December, 1995 | 0.642 | -0.081 | USD/therms |
January, 1996 | 0.642 | 0 | USD/therms |
February, 1996 | 0.647 | + 0.005 | USD/therms |
March, 1996 | 0.647 | 0 | USD/therms |
April, 1996 | 0.667 | + 0.02 | USD/therms |
May, 1996 | 0.694 | + 0.027 | USD/therms |
June, 1996 | 0.694 | 0 | USD/therms |
July, 1996 | 0.694 | 0 | USD/therms |
August, 1996 | 0.715 | + 0.021 | USD/therms |
September, 1996 | 0.715 | 0 | USD/therms |
October, 1996 | 0.744 | + 0.029 | USD/therms |
November, 1996 | 0.728 | -0.016 | USD/therms |
December, 1996 | 0.728 | 0 | USD/therms |
January, 1997 | 0.746 | + 0.018 | USD/therms |
February, 1997 | 0.769 | + 0.023 | USD/therms |
March, 1997 | 0.783 | + 0.014 | USD/therms |
April, 1997 | 0.78 | -0.003 | USD/therms |
May, 1997 | 0.78 | 0 | USD/therms |
June, 1997 | 0.78 | 0 | USD/therms |
July, 1997 | 0.78 | 0 | USD/therms |
August, 1997 | 0.776 | -0.004 | USD/therms |
September, 1997 | 0.776 | 0 | USD/therms |
October, 1997 | 0.729 | -0.047 | USD/therms |
November, 1997 | 0.724 | -0.005 | USD/therms |
December, 1997 | 0.724 | 0 | USD/therms |
Year | Year Open - Year Close | Year Min - Year Max | Year Average | Year Change |
---|---|---|---|---|
1997 | 0.746 - 0.724 | 0.724 - 0.783 | 0.76 | -0.02 |
1996 | 0.642 - 0.728 | 0.642 - 0.744 | 0.69 | + 0.09 |
1995 | 0.76 - 0.642 | 0.642 - 0.762 | 0.72 | -0.12 |
1994 | 0.692 - 0.76 | 0.692 - 0.767 | 0.71 | + 0.07 |
1993 | 0.607 - 0.692 | 0.6 - 0.692 | 0.63 | + 0.09 |
1992 | 0.635 - 0.607 | 0.607 - 0.639 | 0.62 | -0.03 |
1991 | 0.626 - 0.621 | 0.614 - 0.626 | 0.62 | -0.01 |
1990 | 0.591 - 0.615 | 0.589 - 0.615 | 0.6 | + 0.02 |
1989 | 0.538 - 0.591 | 0.534 - 0.591 | 0.55 | + 0.05 |
1988 | 0.507 - 0.522 | 0.507 - 0.522 | 0.51 | + 0.02 |
1987 | 0.561 - 0.507 | 0.507 - 0.561 | 0.54 | -0.05 |
1986 | 0.621 - 0.561 | 0.542 - 0.624 | 0.58 | -0.06 |
1985 | 0.654 - 0.622 | 0.619 - 0.654 | 0.64 | -0.03 |
1984 | 0.611 - 0.654 | 0.611 - 0.656 | 0.64 | + 0.04 |
1983 | 0.591 - 0.625 | 0.589 - 0.627 | 0.6 | + 0.03 |
1982 | 0.395 - 0.574 | 0.388 - 0.574 | 0.43 | + 0.18 |
1981 | 0.343 - 0.396 | 0.343 - 0.396 | 0.36 | + 0.05 |
1980 | 0.306 - 0.343 | 0.306 - 0.343 | 0.32 | + 0.04 |
1979 | 0.259 - 0.306 | 0.258 - 0.307 | 0.27 | + 0.05 |
1978 | 0.248 - 0.256 | 0.248 - 0.256 | 0.25 | + 0.01 |