Month | Data | Change | Unit |
---|---|---|---|
November, 1978 | 0.203 | 0 | USD/therm |
December, 1978 | 0.203 | 0 | USD/therm |
January, 1979 | 0.203 | 0 | USD/therm |
February, 1979 | 0.203 | 0 | USD/therm |
March, 1979 | 0.203 | 0 | USD/therm |
April, 1979 | 0.203 | 0 | USD/therm |
May, 1979 | 0.284 | + 0.081 | USD/therm |
June, 1979 | 0.284 | 0 | USD/therm |
July, 1979 | 0.312 | + 0.028 | USD/therm |
August, 1979 | 0.312 | 0 | USD/therm |
September, 1979 | 0.312 | 0 | USD/therm |
October, 1979 | 0.312 | 0 | USD/therm |
November, 1979 | 0.274 | -0.038 | USD/therm |
December, 1979 | 0.274 | 0 | USD/therm |
January, 1980 | 0.296 | + 0.022 | USD/therm |
February, 1980 | 0.296 | 0 | USD/therm |
March, 1980 | 0.336 | + 0.04 | USD/therm |
April, 1980 | 0.336 | 0 | USD/therm |
May, 1980 | 0.57 | + 0.234 | USD/therm |
June, 1980 | 0.57 | 0 | USD/therm |
July, 1980 | 0.57 | 0 | USD/therm |
August, 1980 | 0.57 | 0 | USD/therm |
September, 1980 | 0.57 | 0 | USD/therm |
October, 1980 | 0.57 | 0 | USD/therm |
November, 1980 | 0.381 | -0.189 | USD/therm |
December, 1980 | 0.381 | 0 | USD/therm |
January, 1981 | 0.381 | 0 | USD/therm |
February, 1981 | 0.381 | 0 | USD/therm |
March, 1981 | 0.389 | + 0.008 | USD/therm |
April, 1981 | 0.389 | 0 | USD/therm |
May, 1981 | 0.524 | + 0.135 | USD/therm |
June, 1981 | 0.525 | + 0.001 | USD/therm |
July, 1981 | 0.525 | 0 | USD/therm |
August, 1981 | 0.526 | + 0.001 | USD/therm |
September, 1981 | 0.526 | 0 | USD/therm |
October, 1981 | 0.526 | 0 | USD/therm |
November, 1981 | 0.4 | -0.126 | USD/therm |
December, 1981 | 0.4 | 0 | USD/therm |
January, 1982 | 0.425 | + 0.025 | USD/therm |
February, 1982 | 0.425 | 0 | USD/therm |
March, 1982 | 0.425 | 0 | USD/therm |
April, 1982 | 0.425 | 0 | USD/therm |
May, 1982 | 0.616 | + 0.191 | USD/therm |
June, 1982 | 0.616 | 0 | USD/therm |
July, 1982 | 0.616 | 0 | USD/therm |
August, 1982 | 0.616 | 0 | USD/therm |
September, 1982 | 0.491 | -0.125 | USD/therm |
October, 1982 | 0.491 | 0 | USD/therm |
November, 1982 | 0.417 | -0.074 | USD/therm |
December, 1982 | 0.417 | 0 | USD/therm |
January, 1983 | 0.418 | + 0.001 | USD/therm |
February, 1983 | 0.415 | -0.003 | USD/therm |
March, 1983 | 0.415 | 0 | USD/therm |
April, 1983 | 0.416 | + 0.001 | USD/therm |
May, 1983 | 0.491 | + 0.075 | USD/therm |
June, 1983 | 0.491 | 0 | USD/therm |
July, 1983 | 0.536 | + 0.045 | USD/therm |
August, 1983 | 0.536 | 0 | USD/therm |
September, 1983 | 0.538 | + 0.002 | USD/therm |
October, 1983 | 0.538 | 0 | USD/therm |
November, 1983 | 0.457 | -0.081 | USD/therm |
December, 1983 | 0.457 | 0 | USD/therm |
January, 1984 | 0.475 | + 0.018 | USD/therm |
February, 1984 | 0.482 | + 0.007 | USD/therm |
March, 1984 | 0.482 | 0 | USD/therm |
April, 1984 | 0.482 | 0 | USD/therm |
May, 1984 | 0.565 | + 0.083 | USD/therm |
June, 1984 | 0.58 | + 0.015 | USD/therm |
July, 1984 | 0.577 | -0.003 | USD/therm |
August, 1984 | 0.578 | + 0.001 | USD/therm |
September, 1984 | 0.603 | + 0.025 | USD/therm |
October, 1984 | 0.603 | 0 | USD/therm |
November, 1984 | 0.501 | -0.102 | USD/therm |
December, 1984 | 0.497 | -0.004 | USD/therm |
January, 1985 | 0.46 | -0.037 | USD/therm |
February, 1985 | 0.46 | 0 | USD/therm |
March, 1985 | 0.46 | 0 | USD/therm |
April, 1985 | 0.461 | + 0.001 | USD/therm |
May, 1985 | 0.573 | + 0.112 | USD/therm |
June, 1985 | 0.572 | -0.001 | USD/therm |
July, 1985 | 0.572 | 0 | USD/therm |
August, 1985 | 0.572 | 0 | USD/therm |
October, 1985 | 0.548 | -0.024 | USD/therm |
November, 1985 | 0.423 | -0.125 | USD/therm |
December, 1985 | 0.423 | 0 | USD/therm |
January, 1986 | 0.426 | + 0.003 | USD/therm |
February, 1986 | 0.422 | -0.004 | USD/therm |
March, 1986 | 0.422 | 0 | USD/therm |
April, 1986 | 0.422 | 0 | USD/therm |
May, 1986 | 0.518 | + 0.096 | USD/therm |
June, 1986 | 0.518 | 0 | USD/therm |
July, 1986 | 0.512 | -0.006 | USD/therm |
August, 1986 | 0.512 | 0 | USD/therm |
September, 1986 | 0.512 | 0 | USD/therm |
October, 1986 | 0.512 | 0 | USD/therm |
November, 1986 | 0.402 | -0.11 | USD/therm |
December, 1986 | 0.402 | 0 | USD/therm |
January, 1987 | 0.401 | -0.001 | USD/therm |
February, 1987 | 0.401 | 0 | USD/therm |
March, 1987 | 0.401 | 0 | USD/therm |
April, 1987 | 0.401 | 0 | USD/therm |
May, 1987 | 0.538 | + 0.137 | USD/therm |
June, 1987 | 0.538 | 0 | USD/therm |
July, 1987 | 0.538 | 0 | USD/therm |
August, 1987 | 0.542 | + 0.004 | USD/therm |
September, 1987 | 0.542 | 0 | USD/therm |
October, 1987 | 0.542 | 0 | USD/therm |
November, 1987 | 0.406 | -0.136 | USD/therm |
December, 1987 | 0.408 | + 0.0019999999999999 | USD/therm |
January, 1988 | 0.408 | 0 | USD/therm |
February, 1988 | 0.408 | 0 | USD/therm |
March, 1988 | 0.47 | + 0.062 | USD/therm |
April, 1988 | 0.47 | 0 | USD/therm |
May, 1988 | 0.684 | + 0.214 | USD/therm |
June, 1988 | 0.684 | 0 | USD/therm |
July, 1988 | 0.684 | 0 | USD/therm |
August, 1988 | 0.684 | 0 | USD/therm |
September, 1988 | 0.684 | 0 | USD/therm |
October, 1988 | 0.684 | 0 | USD/therm |
November, 1988 | 0.513 | -0.171 | USD/therm |
December, 1988 | 0.513 | 0 | USD/therm |
January, 1989 | 0.519 | + 0.006 | USD/therm |
February, 1989 | 0.519 | 0 | USD/therm |
March, 1989 | 0.519 | 0 | USD/therm |
April, 1989 | 0.519 | 0 | USD/therm |
May, 1989 | 0.67 | + 0.151 | USD/therm |
June, 1989 | 0.702 | + 0.032 | USD/therm |
July, 1989 | 0.702 | 0 | USD/therm |
August, 1989 | 0.702 | 0 | USD/therm |
September, 1989 | 0.702 | 0 | USD/therm |
October, 1989 | 0.702 | 0 | USD/therm |
November, 1989 | 0.553 | -0.149 | USD/therm |
December, 1989 | 0.553 | 0 | USD/therm |
January, 1990 | 0.56 | + 0.007 | USD/therm |
February, 1990 | 0.56 | 0 | USD/therm |
March, 1990 | 0.56 | 0 | USD/therm |
April, 1990 | 0.56 | 0 | USD/therm |
May, 1990 | 0.71 | + 0.15 | USD/therm |
June, 1990 | 0.699 | -0.011 | USD/therm |
July, 1990 | 0.699 | 0 | USD/therm |
August, 1990 | 0.699 | 0 | USD/therm |
September, 1990 | 0.699 | 0 | USD/therm |
October, 1990 | 0.699 | 0 | USD/therm |
November, 1990 | 0.59 | -0.109 | USD/therm |
December, 1990 | 0.59 | 0 | USD/therm |
January, 1991 | 0.607 | + 0.017 | USD/therm |
February, 1991 | 0.607 | 0 | USD/therm |
March, 1991 | 0.607 | 0 | USD/therm |
April, 1991 | 0.607 | 0 | USD/therm |
May, 1991 | 0.714 | + 0.107 | USD/therm |
June, 1991 | 0.723 | + 0.009 | USD/therm |
July, 1991 | 0.723 | 0 | USD/therm |
August, 1991 | 0.723 | 0 | USD/therm |
September, 1991 | 0.723 | 0 | USD/therm |
October, 1991 | 0.723 | 0 | USD/therm |
November, 1991 | 0.613 | -0.11 | USD/therm |
December, 1991 | 0.613 | 0 | USD/therm |
January, 1992 | 0.635 | + 0.022 | USD/therm |
February, 1992 | 0.635 | 0 | USD/therm |
March, 1992 | 0.635 | 0 | USD/therm |
April, 1992 | 0.635 | 0 | USD/therm |
May, 1992 | 0.741 | + 0.106 | USD/therm |
June, 1992 | 0.741 | 0 | USD/therm |
July, 1992 | 0.741 | 0 | USD/therm |
August, 1992 | 0.668 | -0.073 | USD/therm |
September, 1992 | 0.737 | + 0.069 | USD/therm |
October, 1992 | 0.737 | 0 | USD/therm |
November, 1992 | 0.561 | -0.176 | USD/therm |
December, 1992 | 0.557 | -0.004 | USD/therm |
January, 1993 | 0.575 | + 0.018 | USD/therm |
February, 1993 | 0.575 | 0 | USD/therm |
March, 1993 | 0.575 | 0 | USD/therm |
April, 1993 | 0.575 | 0 | USD/therm |
May, 1993 | 0.641 | + 0.066 | USD/therm |
June, 1993 | 0.674 | + 0.033 | USD/therm |
July, 1993 | 0.674 | 0 | USD/therm |
August, 1993 | 0.669 | -0.005 | USD/therm |
September, 1993 | 0.681 | + 0.012 | USD/therm |
October, 1993 | 0.681 | 0 | USD/therm |
November, 1993 | 0.597 | -0.084 | USD/therm |
December, 1993 | 0.597 | 0 | USD/therm |
January, 1994 | 0.597 | 0 | USD/therm |
February, 1994 | 0.597 | 0 | USD/therm |
March, 1994 | 0.597 | 0 | USD/therm |
April, 1994 | 0.586 | -0.011 | USD/therm |
May, 1994 | 0.654 | + 0.068 | USD/therm |
June, 1994 | 0.654 | 0 | USD/therm |
July, 1994 | 0.654 | 0 | USD/therm |
August, 1994 | 0.715 | + 0.061 | USD/therm |
September, 1994 | 0.718 | + 0.003 | USD/therm |
October, 1994 | 0.718 | 0 | USD/therm |
November, 1994 | 0.642 | -0.076 | USD/therm |
December, 1994 | 0.642 | 0 | USD/therm |
January, 1995 | 0.662 | + 0.02 | USD/therm |
February, 1995 | 0.662 | 0 | USD/therm |
March, 1995 | 0.662 | 0 | USD/therm |
April, 1995 | 0.662 | 0 | USD/therm |
May, 1995 | 0.74 | + 0.078 | USD/therm |
June, 1995 | 0.74 | 0 | USD/therm |
July, 1995 | 0.74 | 0 | USD/therm |
August, 1995 | 0.74 | 0 | USD/therm |
September, 1995 | 0.74 | 0 | USD/therm |
October, 1995 | 0.74 | 0 | USD/therm |
November, 1995 | 0.662 | -0.078 | USD/therm |
December, 1995 | 0.662 | 0 | USD/therm |
January, 1996 | 0.598 | -0.064 | USD/therm |
February, 1996 | 0.598 | 0 | USD/therm |
April, 1996 | 0.079 | -0.519 | USD/therm |
May, 1996 | 0.642 | + 0.563 | USD/therm |
June, 1996 | 0.669 | + 0.027 | USD/therm |
July, 1996 | 0.669 | 0 | USD/therm |
August, 1996 | 0.669 | 0 | USD/therm |
September, 1996 | 0.669 | 0 | USD/therm |
October, 1996 | 0.669 | 0 | USD/therm |
November, 1996 | 0.598 | -0.071 | USD/therm |
December, 1996 | 0.598 | 0 | USD/therm |
January, 1997 | 0.598 | 0 | USD/therm |
February, 1997 | 0.598 | 0 | USD/therm |
March, 1997 | 0.598 | 0 | USD/therm |
April, 1997 | 0.598 | 0 | USD/therm |
May, 1997 | 0.669 | + 0.071 | USD/therm |
June, 1997 | 0.732 | + 0.063 | USD/therm |
July, 1997 | 0.727 | -0.005 | USD/therm |
August, 1997 | 0.732 | + 0.005 | USD/therm |
September, 1997 | 0.732 | 0 | USD/therm |
October, 1997 | 0.732 | 0 | USD/therm |
November, 1997 | 0.726 | -0.006 | USD/therm |
December, 1997 | 0.722 | -0.004 | USD/therm |
January, 1998 | 0.65 | -0.072 | USD/therm |
February, 1998 | 0.631 | -0.019 | USD/therm |
March, 1998 | 0.636 | + 0.005 | USD/therm |
April, 1998 | 0.622 | -0.014 | USD/therm |
May, 1998 | 0.744 | + 0.122 | USD/therm |
June, 1998 | 0.671 | -0.073 | USD/therm |
July, 1998 | 0.663 | -0.008 | USD/therm |
August, 1998 | 0.676 | + 0.013 | USD/therm |
September, 1998 | 0.684 | + 0.008 | USD/therm |
October, 1998 | 0.711 | + 0.027 | USD/therm |
November, 1998 | 0.7 | -0.011 | USD/therm |
December, 1998 | 0.684 | -0.016 | USD/therm |
January, 1999 | 0.674 | -0.01 | USD/therm |
February, 1999 | 0.638 | -0.036 | USD/therm |
March, 1999 | 0.604 | -0.034 | USD/therm |
April, 1999 | 0.6 | -0.004 | USD/therm |
May, 1999 | 0.723 | + 0.123 | USD/therm |
June, 1999 | 0.733 | + 0.01 | USD/therm |
July, 1999 | 0.749 | + 0.016 | USD/therm |
August, 1999 | 0.747 | -0.002 | USD/therm |
September, 1999 | 0.795 | + 0.048 | USD/therm |
October, 1999 | 0.788 | -0.007 | USD/therm |
November, 1999 | 0.746 | -0.042 | USD/therm |
December, 1999 | 0.714 | -0.032 | USD/therm |
January, 2000 | 0.72 | + 0.006 | USD/therm |
February, 2000 | 0.721 | + 0.001 | USD/therm |
March, 2000 | 0.707 | -0.014 | USD/therm |
April, 2000 | 0.737 | + 0.03 | USD/therm |
May, 2000 | 0.813 | + 0.076 | USD/therm |
June, 2000 | 0.856 | + 0.043 | USD/therm |
July, 2000 | 0.951 | + 0.095 | USD/therm |
August, 2000 | 0.906 | -0.045 | USD/therm |
September, 2000 | 0.951 | + 0.045 | USD/therm |
October, 2000 | 1.045 | + 0.094 | USD/therm |
November, 2000 | 1.008 | -0.037 | USD/therm |
December, 2000 | 1.145 | + 0.137 | USD/therm |
January, 2001 | 1.825 | + 0.68 | USD/therm |
February, 2001 | 1.686 | -0.139 | USD/therm |
March, 2001 | 1.433 | -0.253 | USD/therm |
April, 2001 | 1.236 | -0.197 | USD/therm |
May, 2001 | 1.244 | + 0.008 | USD/therm |
June, 2001 | 0.934 | -0.31 | USD/therm |
July, 2001 | 1.055 | + 0.121 | USD/therm |
August, 2001 | 0.829 | -0.226 | USD/therm |
September, 2001 | 0.662 | -0.167 | USD/therm |
October, 2001 | 0.546 | -0.116 | USD/therm |
November, 2001 | 0.651 | + 0.105 | USD/therm |
December, 2001 | 0.784 | + 0.133 | USD/therm |
January, 2002 | 0.737 | -0.047 | USD/therm |
February, 2002 | 0.612 | -0.125 | USD/therm |
March, 2002 | 0.604 | -0.008 | USD/therm |
April, 2002 | 0.674 | + 0.07 | USD/therm |
May, 2002 | 0.736 | + 0.062 | USD/therm |
June, 2002 | 0.677 | -0.059 | USD/therm |
July, 2002 | 0.667 | -0.01 | USD/therm |
August, 2002 | 0.706 | + 0.039 | USD/therm |
September, 2002 | 0.759 | + 0.053 | USD/therm |
October, 2002 | 0.853 | + 0.094 | USD/therm |
November, 2002 | 0.838 | -0.015 | USD/therm |
December, 2002 | 0.887 | + 0.049 | USD/therm |
January, 2003 | 0.954 | + 0.067 | USD/therm |
February, 2003 | 0.923 | -0.031 | USD/therm |
March, 2003 | 1.053 | + 0.13 | USD/therm |
April, 2003 | 0.859 | -0.194 | USD/therm |
May, 2003 | 0.925 | + 0.066 | USD/therm |
June, 2003 | 1.025 | + 0.1 | USD/therm |
July, 2003 | 1.01 | -0.015 | USD/therm |
August, 2003 | 1.074 | + 0.064 | USD/therm |
September, 2003 | 1.026 | -0.048 | USD/therm |
October, 2003 | 1.097 | + 0.071 | USD/therm |
November, 2003 | 1.021 | -0.076 | USD/therm |
December, 2003 | 1.068 | + 0.047 | USD/therm |
January, 2004 | 1.096 | + 0.028 | USD/therm |
February, 2004 | 0.911 | -0.185 | USD/therm |
March, 2004 | 0.776 | -0.135 | USD/therm |
April, 2004 | 0.779 | + 0.003 | USD/therm |
May, 2004 | 0.897 | + 0.118 | USD/therm |
June, 2004 | 0.97 | + 0.073 | USD/therm |
July, 2004 | 0.972 | + 0.002 | USD/therm |
August, 2004 | 1.122 | + 0.15 | USD/therm |
September, 2004 | 1.097 | -0.025 | USD/therm |
October, 2004 | 1.066 | -0.031 | USD/therm |
November, 2004 | 1.148 | + 0.082 | USD/therm |
December, 2004 | 1.186 | + 0.038 | USD/therm |
January, 2005 | 1.222 | + 0.036 | USD/therm |
February, 2005 | 1.112 | -0.11 | USD/therm |
March, 2005 | 1.043 | -0.069 | USD/therm |
April, 2005 | 1.091 | + 0.048 | USD/therm |
May, 2005 | 1.217 | + 0.126 | USD/therm |
June, 2005 | 1.2 | -0.017 | USD/therm |
July, 2005 | 1.259 | + 0.059 | USD/therm |
August, 2005 | 1.277 | + 0.018 | USD/therm |
September, 2005 | 1.462 | + 0.185 | USD/therm |
October, 2005 | 1.795 | + 0.333 | USD/therm |
November, 2005 | 1.761 | -0.034 | USD/therm |
December, 2005 | 1.485 | -0.276 | USD/therm |
January, 2006 | 1.752 | + 0.267 | USD/therm |
February, 2006 | 1.367 | -0.385 | USD/therm |
March, 2006 | 1.289 | -0.078 | USD/therm |
April, 2006 | 1.444 | + 0.155 | USD/therm |
May, 2006 | 1.36 | -0.084 | USD/therm |
June, 2006 | 1.161 | -0.199 | USD/therm |
July, 2006 | 1.203 | + 0.042 | USD/therm |
August, 2006 | 1.203 | 0 | USD/therm |
September, 2006 | 1.335 | + 0.132 | USD/therm |
October, 2006 | 1.335 | 0 | USD/therm |
November, 2006 | 1.283 | -0.052 | USD/therm |
December, 2006 | 1.255 | -0.028 | USD/therm |
January, 2007 | 1.249 | -0.0059999999999998 | USD/therm |
February, 2007 | 1.237 | -0.012 | USD/therm |
March, 2007 | 1.281 | + 0.044 | USD/therm |
April, 2007 | 1.356 | + 0.075 | USD/therm |
May, 2007 | 1.447 | + 0.091 | USD/therm |
June, 2007 | 1.588 | + 0.141 | USD/therm |
July, 2007 | 1.556 | -0.032 | USD/therm |
August, 2007 | 1.396 | -0.16 | USD/therm |
September, 2007 | 1.399 | + 0.0030000000000001 | USD/therm |
October, 2007 | 1.451 | + 0.052 | USD/therm |
November, 2007 | 1.331 | -0.12 | USD/therm |
December, 2007 | 1.362 | + 0.031 | USD/therm |
January, 2008 | 1.271 | -0.091 | USD/therm |
February, 2008 | 1.339 | + 0.068 | USD/therm |
March, 2008 | 1.372 | + 0.033 | USD/therm |
April, 2008 | 1.626 | + 0.254 | USD/therm |
May, 2008 | 1.682 | + 0.056 | USD/therm |
June, 2008 | 1.851 | + 0.169 | USD/therm |
July, 2008 | 2.154 | + 0.303 | USD/therm |
August, 2008 | 1.909 | -0.245 | USD/therm |
September, 2008 | 1.568 | -0.341 | USD/therm |
October, 2008 | 1.438 | -0.13 | USD/therm |
November, 2008 | 1.197 | -0.241 | USD/therm |
December, 2008 | 1.058 | -0.139 | USD/therm |
January, 2009 | 1.241 | + 0.183 | USD/therm |
February, 2009 | 1.193 | -0.048 | USD/therm |
March, 2009 | 1.072 | -0.121 | USD/therm |
April, 2009 | 1.153 | + 0.081 | USD/therm |
May, 2009 | 1.063 | -0.09 | USD/therm |
June, 2009 | 1.183 | + 0.12 | USD/therm |
July, 2009 | 1.216 | + 0.033 | USD/therm |
August, 2009 | 1.213 | -0.0029999999999999 | USD/therm |
September, 2009 | 1.152 | -0.061 | USD/therm |
October, 2009 | 1.233 | + 0.081 | USD/therm |
November, 2009 | 1.149 | -0.084 | USD/therm |
December, 2009 | 1.064 | -0.085 | USD/therm |
January, 2010 | 1.154 | + 0.09 | USD/therm |
February, 2010 | 1.201 | + 0.047 | USD/therm |
March, 2010 | 1.106 | -0.095 | USD/therm |
April, 2010 | 1.289 | + 0.183 | USD/therm |
May, 2010 | 1.228 | -0.061 | USD/therm |
June, 2010 | 1.258 | + 0.03 | USD/therm |
July, 2010 | 1.289 | + 0.031 | USD/therm |
August, 2010 | 1.378 | + 0.089 | USD/therm |
September, 2010 | 1.365 | -0.013 | USD/therm |
October, 2010 | 1.34 | -0.025 | USD/therm |
November, 2010 | 1.09 | -0.25 | USD/therm |
December, 2010 | 1.142 | + 0.052 | USD/therm |
January, 2011 | 1.153 | + 0.011 | USD/therm |
February, 2011 | 1.241 | + 0.088 | USD/therm |
March, 2011 | 1.14 | -0.101 | USD/therm |
April, 2011 | 1.298 | + 0.158 | USD/therm |
May, 2011 | 1.316 | + 0.018 | USD/therm |
June, 2011 | 1.47 | + 0.154 | USD/therm |
July, 2011 | 1.477 | + 0.0070000000000001 | USD/therm |
August, 2011 | 1.43 | -0.047 | USD/therm |
September, 2011 | 1.418 | -0.012 | USD/therm |
October, 2011 | 1.344 | -0.074 | USD/therm |
November, 2011 | 1.131 | -0.213 | USD/therm |
December, 2011 | 1.129 | -0.002 | USD/therm |
January, 2012 | 1.148 | + 0.019 | USD/therm |
February, 2012 | 1.187 | + 0.039 | USD/therm |
March, 2012 | 1.055 | -0.132 | USD/therm |
April, 2012 | 1.197 | + 0.142 | USD/therm |
May, 2012 | 1.224 | + 0.027 | USD/therm |
June, 2012 | 1.345 | + 0.121 | USD/therm |
July, 2012 | 1.385 | + 0.04 | USD/therm |
August, 2012 | 1.369 | -0.016 | USD/therm |
September, 2012 | 1.32 | -0.049 | USD/therm |
October, 2012 | 1.273 | -0.047 | USD/therm |
November, 2012 | 1.19 | -0.083 | USD/therm |
December, 2012 | 1.14 | -0.05 | USD/therm |
January, 2013 | 1.079 | -0.061 | USD/therm |
February, 2013 | 1.146 | + 0.067 | USD/therm |
March, 2013 | 1.081 | -0.065 | USD/therm |
April, 2013 | 1.332 | + 0.251 | USD/therm |
May, 2013 | 1.391 | + 0.059 | USD/therm |
June, 2013 | 1.335 | -0.056 | USD/therm |
July, 2013 | 1.304 | -0.031 | USD/therm |
August, 2013 | 1.291 | -0.013 | USD/therm |
September, 2013 | 1.26 | -0.031 | USD/therm |
October, 2013 | 1.264 | + 0.004 | USD/therm |
November, 2013 | 1.194 | -0.07 | USD/therm |
December, 2013 | 1.152 | -0.042 | USD/therm |
January, 2014 | 1.255 | + 0.103 | USD/therm |
February, 2014 | 1.332 | + 0.077 | USD/therm |
March, 2014 | 1.386 | + 0.054 | USD/therm |
April, 2014 | 1.424 | + 0.038 | USD/therm |
May, 2014 | 1.465 | + 0.041 | USD/therm |
June, 2014 | 1.427 | -0.038 | USD/therm |
July, 2014 | 1.479 | + 0.052 | USD/therm |
August, 2014 | 1.441 | -0.038 | USD/therm |
September, 2014 | 1.625 | + 0.184 | USD/therm |
October, 2014 | 1.54 | -0.085 | USD/therm |
November, 2014 | 1.324 | -0.216 | USD/therm |
December, 2014 | 1.398 | + 0.074 | USD/therm |
January, 2015 | 1.49 | + 0.092 | USD/therm |
February, 2015 | 1.464 | -0.026 | USD/therm |
March, 2015 | 1.378 | -0.086 | USD/therm |
April, 2015 | 1.534 | + 0.156 | USD/therm |
May, 2015 | 1.485 | -0.049 | USD/therm |
June, 2015 | 1.574 | + 0.089 | USD/therm |
July, 2015 | 1.497 | -0.077 | USD/therm |
August, 2015 | 1.577 | + 0.08 | USD/therm |
September, 2015 | 1.499 | -0.078 | USD/therm |
October, 2015 | 1.499 | 0 | USD/therm |
November, 2015 | 1.227 | -0.272 | USD/therm |
December, 2015 | 1.235 | + 0.008 | USD/therm |
January, 2016 | 1.299 | + 0.064 | USD/therm |
February, 2016 | 1.331 | + 0.032 | USD/therm |
March, 2016 | 1.07 | -0.261 | USD/therm |
April, 2016 | 1.368 | + 0.298 | USD/therm |
May, 2016 | 1.397 | + 0.029 | USD/therm |
June, 2016 | 1.342 | -0.055 | USD/therm |
July, 2016 | 1.403 | + 0.061 | USD/therm |
August, 2016 | 1.632 | + 0.229 | USD/therm |
September, 2016 | 1.618 | -0.014 | USD/therm |
October, 2016 | 1.706 | + 0.088 | USD/therm |
November, 2016 | 1.516 | -0.19 | USD/therm |
December, 2016 | 1.454 | -0.062 | USD/therm |
January, 2017 | 1.424 | -0.03 | USD/therm |
February, 2017 | 1.414 | -0.01 | USD/therm |
March, 2017 | 1.374 | -0.04 | USD/therm |
April, 2017 | 1.632 | + 0.258 | USD/therm |
May, 2017 | 1.609 | -0.023 | USD/therm |
June, 2017 | 1.602 | -0.0069999999999999 | USD/therm |
July, 2017 | 1.529 | -0.073 | USD/therm |
August, 2017 | 1.538 | + 0.0090000000000001 | USD/therm |
September, 2017 | 1.484 | -0.054 | USD/therm |
October, 2017 | 1.525 | + 0.041 | USD/therm |
November, 2017 | 1.338 | -0.187 | USD/therm |
December, 2017 | 1.372 | + 0.034 | USD/therm |
January, 2018 | 1.39 | + 0.018 | USD/therm |
February, 2018 | 1.423 | + 0.033 | USD/therm |
March, 2018 | 1.339 | -0.084 | USD/therm |
April, 2018 | 1.615 | + 0.276 | USD/therm |
May, 2018 | 1.538 | -0.077 | USD/therm |
June, 2018 | 1.485 | -0.053 | USD/therm |
July, 2018 | 1.515 | + 0.03 | USD/therm |
August, 2018 | 1.577 | + 0.062 | USD/therm |
September, 2018 | 1.547 | -0.03 | USD/therm |
October, 2018 | 1.415 | -0.132 | USD/therm |
November, 2018 | 1.24 | -0.175 | USD/therm |
December, 2018 | 1.313 | + 0.073 | USD/therm |
January, 2019 | 1.381 | + 0.068 | USD/therm |
February, 2019 | 1.405 | + 0.024 | USD/therm |
March, 2019 | 1.336 | -0.069 | USD/therm |
April, 2019 | 1.624 | + 0.288 | USD/therm |
May, 2019 | 1.531 | -0.093 | USD/therm |
June, 2019 | 1.52 | -0.011 | USD/therm |
July, 2019 | 1.597 | + 0.077 | USD/therm |
August, 2019 | 1.571 | -0.026 | USD/therm |
September, 2019 | 1.527 | -0.044 | USD/therm |
October, 2019 | 1.574 | + 0.047 | USD/therm |
November, 2019 | 1.362 | -0.212 | USD/therm |
December, 2019 | 1.408 | + 0.046 | USD/therm |
January, 2020 | 1.439 | + 0.031 | USD/therm |
February, 2020 | 1.452 | + 0.013 | USD/therm |
March, 2020 | 1.491 | + 0.039 | USD/therm |
April, 2020 | 1.633 | + 0.142 | USD/therm |
May, 2020 | 1.627 | -0.006 | USD/therm |
June, 2020 | 1.641 | + 0.014 | USD/therm |
July, 2020 | 1.634 | -0.0070000000000001 | USD/therm |
August, 2020 | 1.679 | + 0.045 | USD/therm |
September, 2020 | 1.812 | + 0.133 | USD/therm |
October, 2020 | 1.779 | -0.033 | USD/therm |
November, 2020 | 1.598 | -0.181 | USD/therm |
December, 2020 | 1.602 | + 0.004 | USD/therm |
January, 2021 | 1.603 | + 0.00099999999999989 | USD/therm |
February, 2021 | 1.618 | + 0.015 | USD/therm |
March, 2021 | 1.656 | + 0.038 | USD/therm |
April, 2021 | 1.707 | + 0.051 | USD/therm |
May, 2021 | 1.695 | -0.012 | USD/therm |
June, 2021 | 1.704 | + 0.0089999999999999 | USD/therm |
July, 2021 | 1.678 | -0.026 | USD/therm |
Year | Year Open - Year Close | Year Min - Year Max | Year Average | Year Change |
---|---|---|---|---|
2021 | 1.603 - 1.678 | 1.603 - 1.707 | 1.67 | + 0.08 |
2020 | 1.439 - 1.602 | 1.439 - 1.812 | 1.62 | + 0.16 |
2019 | 1.381 - 1.408 | 1.336 - 1.624 | 1.49 | + 0.03 |
2018 | 1.39 - 1.313 | 1.24 - 1.615 | 1.45 | -0.08 |
2017 | 1.424 - 1.372 | 1.338 - 1.632 | 1.49 | -0.05 |
2016 | 1.299 - 1.454 | 1.07 - 1.706 | 1.43 | + 0.16 |
2015 | 1.49 - 1.235 | 1.227 - 1.577 | 1.45 | -0.26 |
2014 | 1.255 - 1.398 | 1.255 - 1.625 | 1.42 | + 0.14 |
2013 | 1.079 - 1.152 | 1.079 - 1.391 | 1.24 | + 0.07 |
2012 | 1.148 - 1.14 | 1.055 - 1.385 | 1.24 | -0.01 |
2011 | 1.153 - 1.129 | 1.129 - 1.477 | 1.3 | -0.02 |
2010 | 1.154 - 1.142 | 1.09 - 1.378 | 1.24 | -0.01 |
2009 | 1.241 - 1.064 | 1.063 - 1.241 | 1.16 | -0.18 |
2008 | 1.271 - 1.058 | 1.058 - 2.154 | 1.54 | -0.21 |
2007 | 1.249 - 1.362 | 1.237 - 1.588 | 1.39 | + 0.11 |
2006 | 1.752 - 1.255 | 1.161 - 1.752 | 1.33 | -0.5 |
2005 | 1.222 - 1.485 | 1.043 - 1.795 | 1.33 | + 0.26 |
2004 | 1.096 - 1.186 | 0.776 - 1.186 | 1 | + 0.09 |
2003 | 0.954 - 1.068 | 0.859 - 1.097 | 1 | + 0.11 |
2002 | 0.737 - 0.887 | 0.604 - 0.887 | 0.73 | + 0.15 |
2001 | 1.825 - 0.784 | 0.546 - 1.825 | 1.07 | -1.04 |
2000 | 0.72 - 1.145 | 0.707 - 1.145 | 0.88 | + 0.43 |
1999 | 0.674 - 0.714 | 0.6 - 0.795 | 0.71 | + 0.04 |
1998 | 0.65 - 0.684 | 0.622 - 0.744 | 0.67 | + 0.03 |
1997 | 0.598 - 0.722 | 0.598 - 0.732 | 0.68 | + 0.12 |
1996 | 0.598 - 0.598 | 0.079 - 0.669 | 0.59 | 0 |
1995 | 0.662 - 0.662 | 0.662 - 0.74 | 0.7 | 0 |
1994 | 0.597 - 0.642 | 0.586 - 0.718 | 0.65 | + 0.05 |
1993 | 0.575 - 0.597 | 0.575 - 0.681 | 0.63 | + 0.02 |
1992 | 0.635 - 0.557 | 0.557 - 0.741 | 0.67 | -0.08 |
1991 | 0.607 - 0.613 | 0.607 - 0.723 | 0.67 | + 0.01 |
1990 | 0.56 - 0.59 | 0.56 - 0.71 | 0.64 | + 0.03 |
1989 | 0.519 - 0.553 | 0.519 - 0.702 | 0.61 | + 0.03 |
1988 | 0.408 - 0.513 | 0.408 - 0.684 | 0.57 | + 0.11 |
1987 | 0.401 - 0.408 | 0.401 - 0.542 | 0.47 | + 0.01 |
1986 | 0.426 - 0.402 | 0.402 - 0.518 | 0.47 | -0.02 |
1985 | 0.46 - 0.423 | 0.423 - 0.573 | 0.5 | -0.04 |
1984 | 0.475 - 0.497 | 0.475 - 0.603 | 0.54 | + 0.02 |
1983 | 0.418 - 0.457 | 0.415 - 0.538 | 0.48 | + 0.04 |
1982 | 0.425 - 0.417 | 0.417 - 0.616 | 0.5 | -0.01 |
1981 | 0.381 - 0.4 | 0.381 - 0.526 | 0.46 | + 0.02 |
1980 | 0.296 - 0.381 | 0.296 - 0.57 | 0.45 | + 0.09 |
1979 | 0.203 - 0.274 | 0.203 - 0.312 | 0.26 | + 0.07 |
1978 | 0.203 - 0.203 | 0.203 - 0.203 | 0.2 | 0 |