Month | Data | Change | Unit |
---|---|---|---|
November, 1978 | 0.296 | 0 | USD/therm |
December, 1978 | 0.295 | -0.001 | USD/therm |
January, 1979 | 0.295 | 0 | USD/therm |
February, 1979 | 0.305 | + 0.01 | USD/therm |
March, 1979 | 0.297 | -0.008 | USD/therm |
April, 1979 | 0.301 | + 0.004 | USD/therm |
May, 1979 | 0.323 | + 0.022 | USD/therm |
June, 1979 | 0.326 | + 0.003 | USD/therm |
July, 1979 | 0.328 | + 0.002 | USD/therm |
August, 1979 | 0.329 | + 0.001 | USD/therm |
September, 1979 | 0.338 | + 0.009 | USD/therm |
October, 1979 | 0.337 | -0.001 | USD/therm |
November, 1979 | 0.354 | + 0.017 | USD/therm |
December, 1979 | 0.355 | + 0.001 | USD/therm |
January, 1980 | 0.354 | -0.001 | USD/therm |
February, 1980 | 0.356 | + 0.002 | USD/therm |
March, 1980 | 0.365 | + 0.009 | USD/therm |
April, 1980 | 0.367 | + 0.002 | USD/therm |
May, 1980 | 0.387 | + 0.02 | USD/therm |
June, 1980 | 0.388 | + 0.001 | USD/therm |
July, 1980 | 0.396 | + 0.008 | USD/therm |
August, 1980 | 0.393 | -0.003 | USD/therm |
September, 1980 | 0.405 | + 0.012 | USD/therm |
October, 1980 | 0.405 | 0 | USD/therm |
November, 1980 | 0.412 | + 0.007 | USD/therm |
December, 1980 | 0.412 | 0 | USD/therm |
January, 1981 | 0.42 | + 0.008 | USD/therm |
February, 1981 | 0.424 | + 0.004 | USD/therm |
March, 1981 | 0.431 | + 0.007 | USD/therm |
April, 1981 | 0.442 | + 0.011 | USD/therm |
May, 1981 | 0.424 | -0.018 | USD/therm |
June, 1981 | 0.434 | + 0.01 | USD/therm |
July, 1981 | 0.434 | 0 | USD/therm |
August, 1981 | 0.428 | -0.006 | USD/therm |
September, 1981 | 0.446 | + 0.018 | USD/therm |
October, 1981 | 0.441 | -0.005 | USD/therm |
November, 1981 | 0.451 | + 0.01 | USD/therm |
December, 1981 | 0.451 | 0 | USD/therm |
January, 1982 | 0.459 | + 0.008 | USD/therm |
February, 1982 | 0.461 | + 0.002 | USD/therm |
March, 1982 | 0.474 | + 0.013 | USD/therm |
April, 1982 | 0.476 | + 0.002 | USD/therm |
May, 1982 | 0.478 | + 0.002 | USD/therm |
June, 1982 | 0.489 | + 0.011 | USD/therm |
July, 1982 | 0.496 | + 0.007 | USD/therm |
August, 1982 | 0.501 | + 0.005 | USD/therm |
September, 1982 | 0.505 | + 0.004 | USD/therm |
October, 1982 | 0.511 | + 0.006 | USD/therm |
November, 1982 | 0.527 | + 0.016 | USD/therm |
December, 1982 | 0.527 | 0 | USD/therm |
January, 1983 | 0.528 | + 0.001 | USD/therm |
February, 1983 | 0.528 | 0 | USD/therm |
March, 1983 | 0.528 | 0 | USD/therm |
April, 1983 | 0.614 | + 0.086 | USD/therm |
May, 1983 | 0.614 | 0 | USD/therm |
June, 1983 | 0.627 | + 0.013 | USD/therm |
July, 1983 | 0.634 | + 0.007 | USD/therm |
August, 1983 | 0.579 | -0.055 | USD/therm |
September, 1983 | 0.568 | -0.011 | USD/therm |
October, 1983 | 0.536 | -0.032 | USD/therm |
November, 1983 | 0.639 | + 0.103 | USD/therm |
December, 1983 | 0.653 | + 0.014 | USD/therm |
January, 1984 | 0.596 | -0.057 | USD/therm |
February, 1984 | 0.607 | + 0.011 | USD/therm |
March, 1984 | 0.617 | + 0.01 | USD/therm |
April, 1984 | 0.615 | -0.002 | USD/therm |
May, 1984 | 0.618 | + 0.003 | USD/therm |
June, 1984 | 0.613 | -0.005 | USD/therm |
July, 1984 | 0.609 | -0.004 | USD/therm |
August, 1984 | 0.596 | -0.013 | USD/therm |
September, 1984 | 0.625 | + 0.029 | USD/therm |
October, 1984 | 0.617 | -0.008 | USD/therm |
November, 1984 | 0.568 | -0.049 | USD/therm |
December, 1984 | 0.613 | + 0.045 | USD/therm |
January, 1985 | 0.65 | + 0.037 | USD/therm |
February, 1985 | 0.65 | 0 | USD/therm |
March, 1985 | 0.65 | 0 | USD/therm |
April, 1985 | 0.642 | -0.008 | USD/therm |
May, 1985 | 0.642 | 0 | USD/therm |
June, 1985 | 0.641 | -0.001 | USD/therm |
July, 1985 | 0.645 | + 0.004 | USD/therm |
August, 1985 | 0.541 | -0.104 | USD/therm |
October, 1985 | 0.546 | + 0.005 | USD/therm |
November, 1985 | 0.655 | + 0.109 | USD/therm |
December, 1985 | 0.663 | + 0.008 | USD/therm |
January, 1986 | 0.634 | -0.029 | USD/therm |
February, 1986 | 0.633 | -0.001 | USD/therm |
March, 1986 | 0.659 | + 0.026 | USD/therm |
April, 1986 | 0.639 | -0.02 | USD/therm |
May, 1986 | 0.639 | 0 | USD/therm |
June, 1986 | 0.652 | + 0.013 | USD/therm |
July, 1986 | 0.476 | -0.176 | USD/therm |
August, 1986 | 0.633 | + 0.157 | USD/therm |
September, 1986 | 0.47 | -0.163 | USD/therm |
October, 1986 | 0.612 | + 0.142 | USD/therm |
November, 1986 | 0.467 | -0.145 | USD/therm |
December, 1986 | 0.599 | + 0.132 | USD/therm |
January, 1987 | 0.606 | + 0.007 | USD/therm |
February, 1987 | 0.606 | 0 | USD/therm |
March, 1987 | 0.617 | + 0.011 | USD/therm |
April, 1987 | 0.617 | 0 | USD/therm |
May, 1987 | 0.638 | + 0.021 | USD/therm |
June, 1987 | 0.62 | -0.018 | USD/therm |
July, 1987 | 0.35 | -0.27 | USD/therm |
August, 1987 | 0.62 | + 0.27 | USD/therm |
September, 1987 | 0.62 | 0 | USD/therm |
October, 1987 | 0.62 | 0 | USD/therm |
November, 1987 | 0.62 | 0 | USD/therm |
December, 1987 | 0.588 | -0.032 | USD/therm |
January, 1988 | 0.567 | -0.021 | USD/therm |
February, 1988 | 0.567 | 0 | USD/therm |
March, 1988 | 0.562 | -0.0049999999999999 | USD/therm |
April, 1988 | 0.557 | -0.005 | USD/therm |
May, 1988 | 0.557 | 0 | USD/therm |
June, 1988 | 0.552 | -0.005 | USD/therm |
July, 1988 | 0.546 | -0.006 | USD/therm |
August, 1988 | 0.54 | -0.006 | USD/therm |
September, 1988 | 0.498 | -0.042 | USD/therm |
October, 1988 | 0.554 | + 0.056 | USD/therm |
November, 1988 | 0.554 | 0 | USD/therm |
December, 1988 | 0.554 | 0 | USD/therm |
January, 1989 | 0.577 | + 0.023 | USD/therm |
February, 1989 | 0.567 | -0.01 | USD/therm |
March, 1989 | 0.567 | 0 | USD/therm |
April, 1989 | 0.557 | -0.0099999999999999 | USD/therm |
May, 1989 | 0.546 | -0.011 | USD/therm |
June, 1989 | 0.546 | 0 | USD/therm |
July, 1989 | 0.546 | 0 | USD/therm |
August, 1989 | 0.608 | + 0.062 | USD/therm |
September, 1989 | 0.461 | -0.147 | USD/therm |
October, 1989 | 0.588 | + 0.127 | USD/therm |
November, 1989 | 0.557 | -0.031 | USD/therm |
December, 1989 | 0.553 | -0.004 | USD/therm |
January, 1990 | 0.553 | 0 | USD/therm |
February, 1990 | 0.553 | 0 | USD/therm |
March, 1990 | 0.553 | 0 | USD/therm |
April, 1990 | 0.543 | -0.01 | USD/therm |
May, 1990 | 0.241 | -0.302 | USD/therm |
June, 1990 | 0.549 | + 0.308 | USD/therm |
July, 1990 | 0.549 | 0 | USD/therm |
August, 1990 | 0.549 | 0 | USD/therm |
September, 1990 | 0.428 | -0.121 | USD/therm |
October, 1990 | 0.549 | + 0.121 | USD/therm |
November, 1990 | 0.549 | 0 | USD/therm |
December, 1990 | 0.549 | 0 | USD/therm |
January, 1991 | 0.574 | + 0.025 | USD/therm |
February, 1991 | 0.574 | 0 | USD/therm |
March, 1991 | 0.558 | -0.016 | USD/therm |
April, 1991 | 0.301 | -0.257 | USD/therm |
May, 1991 | 0.537 | + 0.236 | USD/therm |
June, 1991 | 0.537 | 0 | USD/therm |
July, 1991 | 0.537 | 0 | USD/therm |
August, 1991 | 0.532 | -0.005 | USD/therm |
September, 1991 | 0.532 | 0 | USD/therm |
October, 1991 | 0.541 | + 0.009 | USD/therm |
November, 1991 | 0.541 | 0 | USD/therm |
December, 1991 | 0.448 | -0.093 | USD/therm |
January, 1992 | 0.545 | + 0.097 | USD/therm |
February, 1992 | 0.545 | 0 | USD/therm |
March, 1992 | 0.547 | + 0.002 | USD/therm |
April, 1992 | 0.528 | -0.019 | USD/therm |
May, 1992 | 0.541 | + 0.013 | USD/therm |
June, 1992 | 0.541 | 0 | USD/therm |
July, 1992 | 0.549 | + 0.008 | USD/therm |
August, 1992 | 0.549 | 0 | USD/therm |
September, 1992 | 0.549 | 0 | USD/therm |
October, 1992 | 0.553 | + 0.004 | USD/therm |
November, 1992 | 0.51 | -0.043 | USD/therm |
December, 1992 | 0.513 | + 0.003 | USD/therm |
January, 1993 | 0.506 | -0.007 | USD/therm |
February, 1993 | 0.492 | -0.014 | USD/therm |
March, 1993 | 0.486 | -0.006 | USD/therm |
April, 1993 | 0.484 | -0.002 | USD/therm |
May, 1993 | 0.491 | + 0.007 | USD/therm |
June, 1993 | 0.521 | + 0.03 | USD/therm |
July, 1993 | 0.517 | -0.004 | USD/therm |
August, 1993 | 0.517 | 0 | USD/therm |
September, 1993 | 0.524 | + 0.007 | USD/therm |
October, 1993 | 0.522 | -0.002 | USD/therm |
November, 1993 | 0.514 | -0.008 | USD/therm |
December, 1993 | 0.513 | -0.001 | USD/therm |
January, 1994 | 0.511 | -0.002 | USD/therm |
February, 1994 | 0.506 | -0.005 | USD/therm |
March, 1994 | 0.51 | + 0.004 | USD/therm |
April, 1994 | 0.507 | -0.003 | USD/therm |
May, 1994 | 0.507 | 0 | USD/therm |
June, 1994 | 0.465 | -0.042 | USD/therm |
July, 1994 | 0.498 | + 0.033 | USD/therm |
August, 1994 | 0.488 | -0.01 | USD/therm |
September, 1994 | 0.489 | + 0.001 | USD/therm |
October, 1994 | 0.489 | 0 | USD/therm |
November, 1994 | 0.463 | -0.026 | USD/therm |
December, 1994 | 0.475 | + 0.012 | USD/therm |
January, 1995 | 0.471 | -0.004 | USD/therm |
February, 1995 | 0.469 | -0.002 | USD/therm |
March, 1995 | 0.459 | -0.01 | USD/therm |
April, 1995 | 0.461 | + 0.002 | USD/therm |
May, 1995 | 0.46 | -0.001 | USD/therm |
June, 1995 | 0.462 | + 0.002 | USD/therm |
July, 1995 | 0.461 | -0.001 | USD/therm |
August, 1995 | 0.46 | -0.001 | USD/therm |
September, 1995 | 0.469 | + 0.009 | USD/therm |
October, 1995 | 0.467 | -0.0019999999999999 | USD/therm |
November, 1995 | 0.485 | + 0.018 | USD/therm |
December, 1995 | 0.503 | + 0.018 | USD/therm |
January, 1996 | 0.49 | -0.013 | USD/therm |
February, 1996 | 0.503 | + 0.013 | USD/therm |
March, 1996 | 0.501 | -0.002 | USD/therm |
April, 1996 | 0.497 | -0.004 | USD/therm |
May, 1996 | 0.518 | + 0.021 | USD/therm |
June, 1996 | 0.519 | + 0.001 | USD/therm |
July, 1996 | 0.526 | + 0.007 | USD/therm |
August, 1996 | 0.526 | 0 | USD/therm |
September, 1996 | 0.526 | 0 | USD/therm |
October, 1996 | 0.526 | 0 | USD/therm |
November, 1996 | 0.526 | 0 | USD/therm |
December, 1996 | 0.524 | -0.002 | USD/therm |
January, 1997 | 0.568 | + 0.044 | USD/therm |
February, 1997 | 0.571 | + 0.003 | USD/therm |
March, 1997 | 0.532 | -0.039 | USD/therm |
April, 1997 | 0.529 | -0.003 | USD/therm |
May, 1997 | 0.511 | -0.018 | USD/therm |
June, 1997 | 0.51 | -0.001 | USD/therm |
July, 1997 | 0.524 | + 0.014 | USD/therm |
August, 1997 | 0.523 | -0.001 | USD/therm |
September, 1997 | 0.513 | -0.01 | USD/therm |
October, 1997 | 0.535 | + 0.022 | USD/therm |
November, 1997 | 0.535 | 0 | USD/therm |
December, 1997 | 0.539 | + 0.004 | USD/therm |
January, 1998 | 0.534 | -0.005 | USD/therm |
February, 1998 | 0.53 | -0.004 | USD/therm |
March, 1998 | 0.513 | -0.017 | USD/therm |
April, 1998 | 0.533 | + 0.02 | USD/therm |
May, 1998 | 0.534 | + 0.001 | USD/therm |
June, 1998 | 0.466 | -0.068 | USD/therm |
July, 1998 | 0.466 | 0 | USD/therm |
August, 1998 | 0.466 | 0 | USD/therm |
September, 1998 | 0.466 | 0 | USD/therm |
October, 1998 | 0.481 | + 0.015 | USD/therm |
November, 1998 | 0.481 | 0 | USD/therm |
December, 1998 | 0.5 | + 0.019 | USD/therm |
January, 1999 | 0.502 | + 0.002 | USD/therm |
February, 1999 | 0.505 | + 0.003 | USD/therm |
March, 1999 | 0.508 | + 0.003 | USD/therm |
April, 1999 | 0.52 | + 0.012 | USD/therm |
May, 1999 | 0.52 | 0 | USD/therm |
June, 1999 | 0.521 | + 0.001 | USD/therm |
July, 1999 | 0.519 | -0.002 | USD/therm |
August, 1999 | 0.519 | 0 | USD/therm |
September, 1999 | 0.52 | + 0.001 | USD/therm |
October, 1999 | 0.519 | -0.001 | USD/therm |
November, 1999 | 0.52 | + 0.001 | USD/therm |
December, 1999 | 0.521 | + 0.001 | USD/therm |
January, 2000 | 0.52 | -0.001 | USD/therm |
February, 2000 | 0.52 | 0 | USD/therm |
March, 2000 | 0.521 | + 0.001 | USD/therm |
April, 2000 | 0.521 | 0 | USD/therm |
May, 2000 | 0.52 | -0.001 | USD/therm |
June, 2000 | 0.52 | 0 | USD/therm |
July, 2000 | 0.518 | -0.002 | USD/therm |
August, 2000 | 0.471 | -0.047 | USD/therm |
September, 2000 | 0.518 | + 0.047 | USD/therm |
October, 2000 | 0.516 | -0.002 | USD/therm |
November, 2000 | 0.517 | + 0.001 | USD/therm |
December, 2000 | 0.518 | + 0.001 | USD/therm |
January, 2001 | 0.519 | + 0.001 | USD/therm |
February, 2001 | 0.518 | -0.001 | USD/therm |
March, 2001 | 0.518 | 0 | USD/therm |
April, 2001 | 0.518 | 0 | USD/therm |
May, 2001 | 0.585 | + 0.067 | USD/therm |
June, 2001 | 0.558 | -0.027 | USD/therm |
July, 2001 | 0.56 | + 0.002 | USD/therm |
August, 2001 | 0.548 | -0.012 | USD/therm |
September, 2001 | 0.538 | -0.01 | USD/therm |
October, 2001 | 0.535 | -0.003 | USD/therm |
November, 2001 | 0.537 | + 0.002 | USD/therm |
December, 2001 | 0.536 | -0.001 | USD/therm |
January, 2002 | 0.576 | + 0.04 | USD/therm |
February, 2002 | 0.621 | + 0.045 | USD/therm |
March, 2002 | 0.622 | + 0.001 | USD/therm |
April, 2002 | 0.612 | -0.01 | USD/therm |
May, 2002 | 0.613 | + 0.001 | USD/therm |
June, 2002 | 0.612 | -0.001 | USD/therm |
July, 2002 | 0.617 | + 0.005 | USD/therm |
August, 2002 | 0.621 | + 0.004 | USD/therm |
September, 2002 | 0.621 | 0 | USD/therm |
October, 2002 | 0.622 | + 0.001 | USD/therm |
November, 2002 | 0.631 | + 0.009 | USD/therm |
December, 2002 | 0.629 | -0.002 | USD/therm |
January, 2003 | 0.617 | -0.012 | USD/therm |
February, 2003 | 0.642 | + 0.025 | USD/therm |
March, 2003 | 0.643 | + 0.001 | USD/therm |
April, 2003 | 0.692 | + 0.049 | USD/therm |
May, 2003 | 0.703 | + 0.011 | USD/therm |
June, 2003 | 0.7 | -0.003 | USD/therm |
July, 2003 | 0.723 | + 0.023 | USD/therm |
August, 2003 | 0.787 | + 0.064 | USD/therm |
September, 2003 | 0.778 | -0.009 | USD/therm |
October, 2003 | 0.78 | + 0.002 | USD/therm |
November, 2003 | 0.78 | 0 | USD/therm |
December, 2003 | 0.768 | -0.012 | USD/therm |
January, 2004 | 0.772 | + 0.004 | USD/therm |
February, 2004 | 0.779 | + 0.007 | USD/therm |
March, 2004 | 0.764 | -0.015 | USD/therm |
April, 2004 | 0.787 | + 0.023 | USD/therm |
May, 2004 | 0.79 | + 0.003 | USD/therm |
June, 2004 | 0.785 | -0.005 | USD/therm |
July, 2004 | 0.875 | + 0.09 | USD/therm |
August, 2004 | 0.874 | -0.001 | USD/therm |
September, 2004 | 0.873 | -0.001 | USD/therm |
October, 2004 | 0.879 | + 0.006 | USD/therm |
November, 2004 | 0.908 | + 0.029 | USD/therm |
December, 2004 | 0.909 | + 0.001 | USD/therm |
January, 2005 | 0.891 | -0.018 | USD/therm |
February, 2005 | 0.87 | -0.021 | USD/therm |
March, 2005 | 0.872 | + 0.002 | USD/therm |
April, 2005 | 1.006 | + 0.134 | USD/therm |
May, 2005 | 1.019 | + 0.013 | USD/therm |
June, 2005 | 1.035 | + 0.016 | USD/therm |
July, 2005 | 1.078 | + 0.043 | USD/therm |
August, 2005 | 1.08 | + 0.002 | USD/therm |
September, 2005 | 1.081 | + 0.00099999999999989 | USD/therm |
October, 2005 | 1.204 | + 0.123 | USD/therm |
November, 2005 | 1.299 | + 0.095 | USD/therm |
December, 2005 | 1.306 | + 0.0070000000000001 | USD/therm |
January, 2006 | 1.308 | + 0.002 | USD/therm |
February, 2006 | 1.246 | -0.062 | USD/therm |
March, 2006 | 1.195 | -0.051 | USD/therm |
April, 2006 | 1.167 | -0.028 | USD/therm |
May, 2006 | 1.174 | + 0.0069999999999999 | USD/therm |
June, 2006 | 1.145 | -0.029 | USD/therm |
July, 2006 | 1.13 | -0.015 | USD/therm |
August, 2006 | 1.119 | -0.011 | USD/therm |
September, 2006 | 1.135 | + 0.016 | USD/therm |
October, 2006 | 1.058 | -0.077 | USD/therm |
November, 2006 | 1.034 | -0.024 | USD/therm |
December, 2006 | 1.037 | + 0.0029999999999999 | USD/therm |
January, 2007 | 1.042 | + 0.0050000000000001 | USD/therm |
February, 2007 | 0.994 | -0.048 | USD/therm |
March, 2007 | 1.039 | + 0.045 | USD/therm |
April, 2007 | 1.087 | + 0.048 | USD/therm |
May, 2007 | 1.115 | + 0.028 | USD/therm |
June, 2007 | 1.112 | -0.0029999999999999 | USD/therm |
July, 2007 | 1.115 | + 0.0029999999999999 | USD/therm |
August, 2007 | 1.082 | -0.033 | USD/therm |
September, 2007 | 1.083 | + 0.00099999999999989 | USD/therm |
October, 2007 | 1.051 | -0.032 | USD/therm |
November, 2007 | 1.054 | + 0.0030000000000001 | USD/therm |
December, 2007 | 1.055 | + 0.00099999999999989 | USD/therm |
January, 2008 | 1.024 | -0.031 | USD/therm |
February, 2008 | 1.026 | + 0.002 | USD/therm |
March, 2008 | 1.111 | + 0.085 | USD/therm |
April, 2008 | 1.26 | + 0.149 | USD/therm |
May, 2008 | 1.261 | + 0.00099999999999989 | USD/therm |
June, 2008 | 1.272 | + 0.011 | USD/therm |
July, 2008 | 1.328 | + 0.056 | USD/therm |
August, 2008 | 1.336 | + 0.008 | USD/therm |
September, 2008 | 1.333 | -0.0030000000000001 | USD/therm |
October, 2008 | 1.31 | -0.023 | USD/therm |
November, 2008 | 1.215 | -0.095 | USD/therm |
December, 2008 | 1.139 | -0.076 | USD/therm |
January, 2009 | 1.105 | -0.034 | USD/therm |
February, 2009 | 1.082 | -0.023 | USD/therm |
March, 2009 | 1.053 | -0.029 | USD/therm |
April, 2009 | 1.044 | -0.0089999999999999 | USD/therm |
May, 2009 | 1.067 | + 0.023 | USD/therm |
June, 2009 | 1.096 | + 0.029 | USD/therm |
July, 2009 | 1.103 | + 0.0069999999999999 | USD/therm |
August, 2009 | 1.087 | -0.016 | USD/therm |
September, 2009 | 1.108 | + 0.021 | USD/therm |
October, 2009 | 1.101 | -0.0070000000000001 | USD/therm |
November, 2009 | 1.113 | + 0.012 | USD/therm |
December, 2009 | 1.132 | + 0.019 | USD/therm |
January, 2010 | 1.171 | + 0.039 | USD/therm |
February, 2010 | 1.167 | -0.004 | USD/therm |
March, 2010 | 1.148 | -0.019 | USD/therm |
April, 2010 | 1.098 | -0.05 | USD/therm |
May, 2010 | 1.077 | -0.021 | USD/therm |
June, 2010 | 1.086 | + 0.0090000000000001 | USD/therm |
July, 2010 | 1.092 | + 0.006 | USD/therm |
August, 2010 | 1.094 | + 0.002 | USD/therm |
September, 2010 | 1.092 | -0.002 | USD/therm |
October, 2010 | 1.075 | -0.017 | USD/therm |
November, 2010 | 1.054 | -0.021 | USD/therm |
December, 2010 | 1.032 | -0.022 | USD/therm |
January, 2011 | 1.051 | + 0.019 | USD/therm |
February, 2011 | 1.019 | -0.032 | USD/therm |
March, 2011 | 1.01 | -0.0089999999999999 | USD/therm |
April, 2011 | 1.001 | -0.0090000000000001 | USD/therm |
May, 2011 | 1.008 | + 0.0070000000000001 | USD/therm |
June, 2011 | 1.01 | + 0.002 | USD/therm |
July, 2011 | 1.01 | 0 | USD/therm |
August, 2011 | 1.007 | -0.0030000000000001 | USD/therm |
September, 2011 | 1.005 | -0.002 | USD/therm |
October, 2011 | 1.012 | + 0.0070000000000001 | USD/therm |
November, 2011 | 1.013 | + 0.00099999999999989 | USD/therm |
December, 2011 | 0.988 | -0.025 | USD/therm |
January, 2012 | 0.96 | -0.028 | USD/therm |
February, 2012 | 0.958 | -0.002 | USD/therm |
March, 2012 | 0.956 | -0.002 | USD/therm |
April, 2012 | 0.927 | -0.029 | USD/therm |
May, 2012 | 0.936 | + 0.009 | USD/therm |
June, 2012 | 0.865 | -0.071 | USD/therm |
July, 2012 | 0.928 | + 0.063 | USD/therm |
August, 2012 | 0.934 | + 0.006 | USD/therm |
September, 2012 | 0.935 | + 0.001 | USD/therm |
October, 2012 | 0.922 | -0.013 | USD/therm |
November, 2012 | 0.931 | + 0.009 | USD/therm |
December, 2012 | 0.923 | -0.008 | USD/therm |
January, 2013 | 0.905 | -0.018 | USD/therm |
February, 2013 | 0.906 | + 0.001 | USD/therm |
March, 2013 | 0.904 | -0.002 | USD/therm |
April, 2013 | 0.881 | -0.023 | USD/therm |
May, 2013 | 0.875 | -0.006 | USD/therm |
June, 2013 | 0.881 | + 0.006 | USD/therm |
July, 2013 | 0.877 | -0.004 | USD/therm |
August, 2013 | 0.824 | -0.053 | USD/therm |
September, 2013 | 0.862 | + 0.038 | USD/therm |
October, 2013 | 0.838 | -0.024 | USD/therm |
November, 2013 | 0.855 | + 0.017 | USD/therm |
December, 2013 | 0.86 | + 0.005 | USD/therm |
January, 2014 | 0.866 | + 0.006 | USD/therm |
February, 2014 | 0.868 | + 0.002 | USD/therm |
March, 2014 | 0.874 | + 0.006 | USD/therm |
April, 2014 | 0.848 | -0.026 | USD/therm |
May, 2014 | 0.882 | + 0.034 | USD/therm |
June, 2014 | 0.89 | + 0.008 | USD/therm |
July, 2014 | 0.889 | -0.001 | USD/therm |
August, 2014 | 0.882 | -0.007 | USD/therm |
September, 2014 | 0.921 | + 0.039 | USD/therm |
October, 2014 | 0.915 | -0.006 | USD/therm |
November, 2014 | 0.92 | + 0.005 | USD/therm |
December, 2014 | 0.919 | -0.001 | USD/therm |
January, 2015 | 0.92 | + 0.001 | USD/therm |
February, 2015 | 0.881 | -0.039 | USD/therm |
March, 2015 | 0.856 | -0.025 | USD/therm |
April, 2015 | 0.793 | -0.063 | USD/therm |
May, 2015 | 0.785 | -0.008 | USD/therm |
June, 2015 | 0.789 | + 0.004 | USD/therm |
July, 2015 | 0.786 | -0.003 | USD/therm |
August, 2015 | 0.787 | + 0.001 | USD/therm |
September, 2015 | 0.788 | + 0.001 | USD/therm |
October, 2015 | 0.775 | -0.013 | USD/therm |
November, 2015 | 0.78 | + 0.005 | USD/therm |
December, 2015 | 0.772 | -0.008 | USD/therm |
January, 2016 | 0.766 | -0.006 | USD/therm |
February, 2016 | 0.768 | + 0.002 | USD/therm |
March, 2016 | 0.772 | + 0.004 | USD/therm |
April, 2016 | 0.726 | -0.046 | USD/therm |
May, 2016 | 0.725 | -0.001 | USD/therm |
June, 2016 | 0.728 | + 0.003 | USD/therm |
July, 2016 | 0.733 | + 0.005 | USD/therm |
August, 2016 | 0.741 | + 0.008 | USD/therm |
September, 2016 | 0.736 | -0.005 | USD/therm |
October, 2016 | 0.742 | + 0.006 | USD/therm |
November, 2016 | 0.78 | + 0.038 | USD/therm |
December, 2016 | 0.784 | + 0.004 | USD/therm |
January, 2017 | 0.786 | + 0.002 | USD/therm |
February, 2017 | 0.784 | -0.002 | USD/therm |
March, 2017 | 0.784 | 0 | USD/therm |
April, 2017 | 0.775 | -0.009 | USD/therm |
May, 2017 | 0.787 | + 0.012 | USD/therm |
June, 2017 | 0.78 | -0.007 | USD/therm |
July, 2017 | 0.772 | -0.008 | USD/therm |
August, 2017 | 0.775 | + 0.003 | USD/therm |
September, 2017 | 0.775 | 0 | USD/therm |
October, 2017 | 0.774 | -0.001 | USD/therm |
November, 2017 | 0.77 | -0.004 | USD/therm |
December, 2017 | 0.772 | + 0.002 | USD/therm |
January, 2018 | 0.774 | + 0.002 | USD/therm |
February, 2018 | 0.757 | -0.017 | USD/therm |
March, 2018 | 0.757 | 0 | USD/therm |
April, 2018 | 0.733 | -0.024 | USD/therm |
May, 2018 | 0.862 | + 0.129 | USD/therm |
June, 2018 | 0.87 | + 0.008 | USD/therm |
July, 2018 | 0.846 | -0.024 | USD/therm |
August, 2018 | 0.841 | -0.005 | USD/therm |
September, 2018 | 0.852 | + 0.011 | USD/therm |
October, 2018 | 0.858 | + 0.006 | USD/therm |
November, 2018 | 0.868 | + 0.01 | USD/therm |
December, 2018 | 0.852 | -0.016 | USD/therm |
January, 2019 | 0.864 | + 0.012 | USD/therm |
February, 2019 | 0.857 | -0.007 | USD/therm |
March, 2019 | 0.844 | -0.013 | USD/therm |
April, 2019 | 0.856 | + 0.012 | USD/therm |
May, 2019 | 0.871 | + 0.015 | USD/therm |
June, 2019 | 0.874 | + 0.003 | USD/therm |
July, 2019 | 0.863 | -0.011 | USD/therm |
August, 2019 | 0.882 | + 0.019 | USD/therm |
September, 2019 | 0.86 | -0.022 | USD/therm |
October, 2019 | 0.896 | + 0.036 | USD/therm |
November, 2019 | 0.875 | -0.021 | USD/therm |
December, 2019 | 0.879 | + 0.004 | USD/therm |
January, 2020 | 0.886 | + 0.007 | USD/therm |
February, 2020 | 0.877 | -0.009 | USD/therm |
March, 2020 | 0.835 | -0.042 | USD/therm |
April, 2020 | 0.831 | -0.004 | USD/therm |
May, 2020 | 0.846 | + 0.015 | USD/therm |
June, 2020 | 0.862 | + 0.016 | USD/therm |
July, 2020 | 0.857 | -0.005 | USD/therm |
August, 2020 | 0.864 | + 0.007 | USD/therm |
September, 2020 | 0.89 | + 0.026 | USD/therm |
October, 2020 | 0.962 | + 0.072 | USD/therm |
November, 2020 | 0.954 | -0.008 | USD/therm |
December, 2020 | 0.957 | + 0.003 | USD/therm |
January, 2021 | 0.95 | -0.007 | USD/therm |
February, 2021 | 0.94 | -0.01 | USD/therm |
March, 2021 | 0.955 | + 0.015 | USD/therm |
April, 2021 | 0.964 | + 0.009 | USD/therm |
June, 2021 | 0.973 | + 0.009 | USD/therm |
July, 2021 | 0.981 | + 0.008 | USD/therm |
Year | Year Open - Year Close | Year Min - Year Max | Year Average | Year Change |
---|---|---|---|---|
2021 | 0.95 - 0.981 | 0.94 - 0.981 | 0.96 | + 0.03 |
2020 | 0.886 - 0.957 | 0.831 - 0.962 | 0.89 | + 0.07 |
2019 | 0.864 - 0.879 | 0.844 - 0.896 | 0.87 | + 0.02 |
2018 | 0.774 - 0.852 | 0.733 - 0.87 | 0.82 | + 0.08 |
2017 | 0.786 - 0.772 | 0.77 - 0.787 | 0.78 | -0.01 |
2016 | 0.766 - 0.784 | 0.725 - 0.784 | 0.75 | + 0.02 |
2015 | 0.92 - 0.772 | 0.772 - 0.92 | 0.81 | -0.15 |
2014 | 0.866 - 0.919 | 0.848 - 0.921 | 0.89 | + 0.05 |
2013 | 0.905 - 0.86 | 0.824 - 0.906 | 0.87 | -0.05 |
2012 | 0.96 - 0.923 | 0.865 - 0.96 | 0.93 | -0.04 |
2011 | 1.051 - 0.988 | 0.988 - 1.051 | 1.01 | -0.06 |
2010 | 1.171 - 1.032 | 1.032 - 1.171 | 1.1 | -0.14 |
2009 | 1.105 - 1.132 | 1.044 - 1.132 | 1.09 | + 0.03 |
2008 | 1.024 - 1.139 | 1.024 - 1.336 | 1.22 | + 0.12 |
2007 | 1.042 - 1.055 | 0.994 - 1.115 | 1.07 | + 0.01 |
2006 | 1.308 - 1.037 | 1.034 - 1.308 | 1.15 | -0.27 |
2005 | 0.891 - 1.306 | 0.87 - 1.306 | 1.06 | + 0.42 |
2004 | 0.772 - 0.909 | 0.764 - 0.909 | 0.83 | + 0.14 |
2003 | 0.617 - 0.768 | 0.617 - 0.787 | 0.72 | + 0.15 |
2002 | 0.576 - 0.629 | 0.576 - 0.631 | 0.62 | + 0.05 |
2001 | 0.519 - 0.536 | 0.518 - 0.585 | 0.54 | + 0.02 |
2000 | 0.52 - 0.518 | 0.471 - 0.521 | 0.52 | -0 |
1999 | 0.502 - 0.521 | 0.502 - 0.521 | 0.52 | + 0.02 |
1998 | 0.534 - 0.5 | 0.466 - 0.534 | 0.5 | -0.03 |
1997 | 0.568 - 0.539 | 0.51 - 0.571 | 0.53 | -0.03 |
1996 | 0.49 - 0.524 | 0.49 - 0.526 | 0.52 | + 0.03 |
1995 | 0.471 - 0.503 | 0.459 - 0.503 | 0.47 | + 0.03 |
1994 | 0.511 - 0.475 | 0.463 - 0.511 | 0.49 | -0.04 |
1993 | 0.506 - 0.513 | 0.484 - 0.524 | 0.51 | + 0.01 |
1992 | 0.545 - 0.513 | 0.51 - 0.553 | 0.54 | -0.03 |
1991 | 0.574 - 0.448 | 0.301 - 0.574 | 0.52 | -0.13 |
1990 | 0.553 - 0.549 | 0.241 - 0.553 | 0.51 | -0 |
1989 | 0.577 - 0.553 | 0.461 - 0.608 | 0.56 | -0.02 |
1988 | 0.567 - 0.554 | 0.498 - 0.567 | 0.55 | -0.01 |
1987 | 0.606 - 0.588 | 0.35 - 0.638 | 0.59 | -0.02 |
1986 | 0.634 - 0.599 | 0.467 - 0.659 | 0.59 | -0.04 |
1985 | 0.65 - 0.663 | 0.541 - 0.663 | 0.63 | + 0.01 |
1984 | 0.596 - 0.613 | 0.568 - 0.625 | 0.61 | + 0.02 |
1983 | 0.528 - 0.653 | 0.528 - 0.653 | 0.59 | + 0.13 |
1982 | 0.459 - 0.527 | 0.459 - 0.527 | 0.49 | + 0.07 |
1981 | 0.42 - 0.451 | 0.42 - 0.451 | 0.44 | + 0.03 |
1980 | 0.354 - 0.412 | 0.354 - 0.412 | 0.39 | + 0.06 |
1979 | 0.295 - 0.355 | 0.295 - 0.355 | 0.32 | + 0.06 |
1978 | 0.296 - 0.295 | 0.295 - 0.296 | 0.3 | -0 |