Month | Data | Change | Unit |
---|---|---|---|
January, 1980 | 719 | 0 | Billion Cubic Feet |
February, 1980 | 574 | -145 | Billion Cubic Feet |
March, 1980 | 594 | + 20 | Billion Cubic Feet |
April, 1980 | 454 | -140 | Billion Cubic Feet |
May, 1980 | 512 | + 58 | Billion Cubic Feet |
June, 1980 | 483 | -29 | Billion Cubic Feet |
July, 1980 | 504 | + 21 | Billion Cubic Feet |
August, 1980 | 526 | + 22 | Billion Cubic Feet |
September, 1980 | 580 | + 54 | Billion Cubic Feet |
October, 1980 | 734 | + 154 | Billion Cubic Feet |
November, 1980 | 749 | + 15 | Billion Cubic Feet |
December, 1980 | 742 | -7 | Billion Cubic Feet |
January, 1981 | 654 | -88 | Billion Cubic Feet |
February, 1981 | 440 | -214 | Billion Cubic Feet |
March, 1981 | 593 | + 153 | Billion Cubic Feet |
April, 1981 | 496 | -97 | Billion Cubic Feet |
May, 1981 | 573 | + 77 | Billion Cubic Feet |
June, 1981 | 525 | -48 | Billion Cubic Feet |
July, 1981 | 548 | + 23 | Billion Cubic Feet |
August, 1981 | 571 | + 23 | Billion Cubic Feet |
September, 1981 | 585 | + 14 | Billion Cubic Feet |
October, 1981 | 711 | + 126 | Billion Cubic Feet |
November, 1981 | 663 | -48 | Billion Cubic Feet |
December, 1981 | 769 | + 106 | Billion Cubic Feet |
January, 1982 | 670 | -99 | Billion Cubic Feet |
February, 1982 | 413 | -257 | Billion Cubic Feet |
March, 1982 | 507 | + 94 | Billion Cubic Feet |
April, 1982 | 408 | -99 | Billion Cubic Feet |
May, 1982 | 375 | -33 | Billion Cubic Feet |
June, 1982 | 420 | + 45 | Billion Cubic Feet |
July, 1982 | 424 | + 4 | Billion Cubic Feet |
August, 1982 | 435 | + 11 | Billion Cubic Feet |
September, 1982 | 482 | + 47 | Billion Cubic Feet |
October, 1982 | 573 | + 91 | Billion Cubic Feet |
November, 1982 | 604 | + 31 | Billion Cubic Feet |
December, 1982 | 521 | -83 | Billion Cubic Feet |
January, 1983 | 593.189 | + 72.189 | Billion Cubic Feet |
February, 1983 | 533.835 | -59.354 | Billion Cubic Feet |
March, 1983 | 534.628 | + 0.79300000000001 | Billion Cubic Feet |
April, 1983 | 496.746 | -37.882 | Billion Cubic Feet |
May, 1983 | 462.196 | -34.55 | Billion Cubic Feet |
June, 1983 | 431.948 | -30.248 | Billion Cubic Feet |
July, 1983 | 406.989 | -24.959 | Billion Cubic Feet |
August, 1983 | 417.922 | + 10.933 | Billion Cubic Feet |
September, 1983 | 405.059 | -12.863 | Billion Cubic Feet |
October, 1983 | 430.773 | + 25.714 | Billion Cubic Feet |
November, 1983 | 460.326 | + 29.553 | Billion Cubic Feet |
December, 1983 | 469.099 | + 8.773 | Billion Cubic Feet |
January, 1984 | 645.052 | + 175.953 | Billion Cubic Feet |
February, 1984 | 581.186 | -63.866 | Billion Cubic Feet |
March, 1984 | 581.137 | -0.049000000000092 | Billion Cubic Feet |
April, 1984 | 542.343 | -38.794 | Billion Cubic Feet |
May, 1984 | 503.947 | -38.396 | Billion Cubic Feet |
June, 1984 | 471.629 | -32.318 | Billion Cubic Feet |
July, 1984 | 445.221 | -26.408 | Billion Cubic Feet |
August, 1984 | 456.874 | + 11.653 | Billion Cubic Feet |
September, 1984 | 442.471 | -14.403 | Billion Cubic Feet |
October, 1984 | 470.226 | + 27.755 | Billion Cubic Feet |
November, 1984 | 501.933 | + 31.707 | Billion Cubic Feet |
December, 1984 | 511.821 | + 9.888 | Billion Cubic Feet |
January, 1985 | 615.278 | + 103.457 | Billion Cubic Feet |
February, 1985 | 565.862 | -49.416 | Billion Cubic Feet |
March, 1985 | 531.206 | -34.656 | Billion Cubic Feet |
April, 1985 | 491.793 | -39.413 | Billion Cubic Feet |
May, 1985 | 453.513 | -38.28 | Billion Cubic Feet |
June, 1985 | 425.218 | -28.295 | Billion Cubic Feet |
July, 1985 | 439.736 | + 14.518 | Billion Cubic Feet |
August, 1985 | 435.184 | -4.552 | Billion Cubic Feet |
September, 1985 | 426.902 | -8.282 | Billion Cubic Feet |
October, 1985 | 466.322 | + 39.42 | Billion Cubic Feet |
November, 1985 | 478.787 | + 12.465 | Billion Cubic Feet |
December, 1985 | 571.485 | + 92.698 | Billion Cubic Feet |
January, 1986 | 646.762 | + 75.277 | Billion Cubic Feet |
February, 1986 | 578.128 | -68.634 | Billion Cubic Feet |
March, 1986 | 566.404 | -11.724 | Billion Cubic Feet |
April, 1986 | 488.012 | -78.392 | Billion Cubic Feet |
May, 1986 | 453.988 | -34.024 | Billion Cubic Feet |
June, 1986 | 414.224 | -39.764 | Billion Cubic Feet |
July, 1986 | 402.495 | -11.729 | Billion Cubic Feet |
August, 1986 | 400.166 | -2.329 | Billion Cubic Feet |
September, 1986 | 365.513 | -34.653 | Billion Cubic Feet |
October, 1986 | 386.489 | + 20.976 | Billion Cubic Feet |
November, 1986 | 405.789 | + 19.3 | Billion Cubic Feet |
December, 1986 | 471.089 | + 65.3 | Billion Cubic Feet |
January, 1987 | 653.401 | + 182.312 | Billion Cubic Feet |
February, 1987 | 566.509 | -86.892 | Billion Cubic Feet |
March, 1987 | 530.925 | -35.584 | Billion Cubic Feet |
April, 1987 | 476.02 | -54.905 | Billion Cubic Feet |
May, 1987 | 448.079 | -27.941 | Billion Cubic Feet |
June, 1987 | 439.784 | -8.295 | Billion Cubic Feet |
July, 1987 | 423.156 | -16.628 | Billion Cubic Feet |
August, 1987 | 443.658 | + 20.502 | Billion Cubic Feet |
September, 1987 | 419.924 | -23.734 | Billion Cubic Feet |
October, 1987 | 481.376 | + 61.452 | Billion Cubic Feet |
November, 1987 | 498.988 | + 17.612 | Billion Cubic Feet |
December, 1987 | 571.49 | + 72.502 | Billion Cubic Feet |
January, 1988 | 577.59 | + 6.1 | Billion Cubic Feet |
February, 1988 | 573.673 | -3.917 | Billion Cubic Feet |
March, 1988 | 595.88 | + 22.207 | Billion Cubic Feet |
April, 1988 | 507.045 | -88.835 | Billion Cubic Feet |
May, 1988 | 507.034 | -0.011000000000024 | Billion Cubic Feet |
June, 1988 | 487.131 | -19.903 | Billion Cubic Feet |
July, 1988 | 480.201 | -6.9299999999999 | Billion Cubic Feet |
August, 1988 | 513.504 | + 33.303 | Billion Cubic Feet |
September, 1988 | 498.728 | -14.776 | Billion Cubic Feet |
October, 1988 | 522.329 | + 23.601 | Billion Cubic Feet |
November, 1988 | 543.006 | + 20.677 | Billion Cubic Feet |
December, 1988 | 577.264 | + 34.258 | Billion Cubic Feet |
January, 1989 | 525.712 | -51.552 | Billion Cubic Feet |
February, 1989 | 498.129 | -27.583 | Billion Cubic Feet |
March, 1989 | 524.32 | + 26.191 | Billion Cubic Feet |
April, 1989 | 487.411 | -36.909 | Billion Cubic Feet |
May, 1989 | 468.912 | -18.499 | Billion Cubic Feet |
June, 1989 | 454.92 | -13.992 | Billion Cubic Feet |
July, 1989 | 445.308 | -9.612 | Billion Cubic Feet |
August, 1989 | 458.953 | + 13.645 | Billion Cubic Feet |
September, 1989 | 456.484 | -2.469 | Billion Cubic Feet |
October, 1989 | 490.488 | + 34.004 | Billion Cubic Feet |
November, 1989 | 528.14 | + 37.652 | Billion Cubic Feet |
December, 1989 | 563.952 | + 35.812 | Billion Cubic Feet |
January, 1990 | 531.948 | -32.004 | Billion Cubic Feet |
February, 1990 | 489.309 | -42.639 | Billion Cubic Feet |
March, 1990 | 505.946 | + 16.637 | Billion Cubic Feet |
April, 1990 | 520.462 | + 14.516 | Billion Cubic Feet |
May, 1990 | 493.169 | -27.293 | Billion Cubic Feet |
June, 1990 | 459.481 | -33.688 | Billion Cubic Feet |
July, 1990 | 448.458 | -11.023 | Billion Cubic Feet |
August, 1990 | 465.725 | + 17.267 | Billion Cubic Feet |
September, 1990 | 469.52 | + 3.795 | Billion Cubic Feet |
October, 1990 | 517.304 | + 47.784 | Billion Cubic Feet |
November, 1990 | 515.62 | -1.684 | Billion Cubic Feet |
December, 1990 | 546.236 | + 30.616 | Billion Cubic Feet |
January, 1991 | 580.072 | + 33.836 | Billion Cubic Feet |
February, 1991 | 511.06 | -69.012 | Billion Cubic Feet |
March, 1991 | 520.496 | + 9.436 | Billion Cubic Feet |
April, 1991 | 501.158 | -19.338 | Billion Cubic Feet |
May, 1991 | 484.488 | -16.67 | Billion Cubic Feet |
June, 1991 | 461.964 | -22.524 | Billion Cubic Feet |
July, 1991 | 478.806 | + 16.842 | Billion Cubic Feet |
August, 1991 | 491.52 | + 12.714 | Billion Cubic Feet |
September, 1991 | 493.582 | + 2.062 | Billion Cubic Feet |
October, 1991 | 533.022 | + 39.44 | Billion Cubic Feet |
November, 1991 | 539.487 | + 6.4649999999999 | Billion Cubic Feet |
December, 1991 | 574.591 | + 35.104 | Billion Cubic Feet |
January, 1992 | 605.907 | + 31.316 | Billion Cubic Feet |
February, 1992 | 555.382 | -50.525 | Billion Cubic Feet |
March, 1992 | 578.661 | + 23.279 | Billion Cubic Feet |
April, 1992 | 536.275 | -42.386 | Billion Cubic Feet |
May, 1992 | 529.318 | -6.957 | Billion Cubic Feet |
June, 1992 | 488.927 | -40.391 | Billion Cubic Feet |
July, 1992 | 489.674 | + 0.74699999999996 | Billion Cubic Feet |
August, 1992 | 487.501 | -2.173 | Billion Cubic Feet |
September, 1992 | 494.261 | + 6.76 | Billion Cubic Feet |
October, 1992 | 518.987 | + 24.726 | Billion Cubic Feet |
November, 1992 | 551.25 | + 32.263 | Billion Cubic Feet |
December, 1992 | 583.395 | + 32.145 | Billion Cubic Feet |
January, 1993 | 589.845 | + 6.45 | Billion Cubic Feet |
February, 1993 | 568.151 | -21.694 | Billion Cubic Feet |
March, 1993 | 589.244 | + 21.093 | Billion Cubic Feet |
April, 1993 | 548.106 | -41.138 | Billion Cubic Feet |
May, 1993 | 510.279 | -37.827 | Billion Cubic Feet |
June, 1993 | 504.713 | -5.566 | Billion Cubic Feet |
July, 1993 | 506.011 | + 1.298 | Billion Cubic Feet |
August, 1993 | 511.695 | + 5.684 | Billion Cubic Feet |
September, 1993 | 511.038 | -0.65699999999998 | Billion Cubic Feet |
October, 1993 | 567.858 | + 56.82 | Billion Cubic Feet |
November, 1993 | 569.966 | + 2.1080000000001 | Billion Cubic Feet |
December, 1993 | 598.75 | + 28.784 | Billion Cubic Feet |
January, 1994 | 624.409 | + 25.659 | Billion Cubic Feet |
February, 1994 | 599.051 | -25.358 | Billion Cubic Feet |
March, 1994 | 587.511 | -11.54 | Billion Cubic Feet |
April, 1994 | 538.609 | -48.902 | Billion Cubic Feet |
May, 1994 | 512.958 | -25.651 | Billion Cubic Feet |
June, 1994 | 510.402 | -2.556 | Billion Cubic Feet |
July, 1994 | 485.713 | -24.689 | Billion Cubic Feet |
August, 1994 | 498.623 | + 12.91 | Billion Cubic Feet |
September, 1994 | 540.051 | + 41.428 | Billion Cubic Feet |
October, 1994 | 548.593 | + 8.5419999999999 | Billion Cubic Feet |
November, 1994 | 568.259 | + 19.666 | Billion Cubic Feet |
December, 1994 | 599.039 | + 30.78 | Billion Cubic Feet |
January, 1995 | 635.598 | + 36.559 | Billion Cubic Feet |
February, 1995 | 579.602 | -55.996 | Billion Cubic Feet |
March, 1995 | 596.785 | + 17.183 | Billion Cubic Feet |
April, 1995 | 585.306 | -11.479 | Billion Cubic Feet |
May, 1995 | 574.462 | -10.844 | Billion Cubic Feet |
June, 1995 | 528.416 | -46.046 | Billion Cubic Feet |
July, 1995 | 526.169 | -2.2470000000001 | Billion Cubic Feet |
August, 1995 | 524.279 | -1.89 | Billion Cubic Feet |
September, 1995 | 531.531 | + 7.252 | Billion Cubic Feet |
October, 1995 | 574.461 | + 42.93 | Billion Cubic Feet |
November, 1995 | 602.13 | + 27.669 | Billion Cubic Feet |
December, 1995 | 647.081 | + 44.951 | Billion Cubic Feet |
January, 1996 | 652.89 | + 5.809 | Billion Cubic Feet |
February, 1996 | 612.219 | -40.671 | Billion Cubic Feet |
March, 1996 | 639.668 | + 27.449 | Billion Cubic Feet |
April, 1996 | 599.878 | -39.79 | Billion Cubic Feet |
May, 1996 | 558.952 | -40.926 | Billion Cubic Feet |
June, 1996 | 563.165 | + 4.213 | Billion Cubic Feet |
July, 1996 | 526.219 | -36.946 | Billion Cubic Feet |
August, 1996 | 547.998 | + 21.779 | Billion Cubic Feet |
September, 1996 | 560.885 | + 12.887 | Billion Cubic Feet |
October, 1996 | 594.851 | + 33.966 | Billion Cubic Feet |
November, 1996 | 624.921 | + 30.07 | Billion Cubic Feet |
December, 1996 | 664.824 | + 39.903 | Billion Cubic Feet |
January, 1997 | 675.613 | + 10.789 | Billion Cubic Feet |
February, 1997 | 628.285 | -47.328 | Billion Cubic Feet |
March, 1997 | 646.782 | + 18.497 | Billion Cubic Feet |
April, 1997 | 612.459 | -34.323 | Billion Cubic Feet |
May, 1997 | 585.402 | -27.057 | Billion Cubic Feet |
June, 1997 | 558.864 | -26.538 | Billion Cubic Feet |
July, 1997 | 539.004 | -19.86 | Billion Cubic Feet |
August, 1997 | 573.461 | + 34.457 | Billion Cubic Feet |
September, 1997 | 554.649 | -18.812 | Billion Cubic Feet |
October, 1997 | 581.593 | + 26.944 | Billion Cubic Feet |
November, 1997 | 615.87 | + 34.277 | Billion Cubic Feet |
December, 1997 | 657.276 | + 41.406 | Billion Cubic Feet |
January, 1998 | 650.895 | -6.381 | Billion Cubic Feet |
February, 1998 | 610.347 | -40.548 | Billion Cubic Feet |
March, 1998 | 610.754 | + 0.40700000000004 | Billion Cubic Feet |
April, 1998 | 573.833 | -36.921 | Billion Cubic Feet |
May, 1998 | 537.045 | -36.788 | Billion Cubic Feet |
June, 1998 | 507.251 | -29.794 | Billion Cubic Feet |
July, 1998 | 541.332 | + 34.081 | Billion Cubic Feet |
August, 1998 | 553.683 | + 12.351 | Billion Cubic Feet |
September, 1998 | 542.958 | -10.725 | Billion Cubic Feet |
October, 1998 | 578.876 | + 35.918 | Billion Cubic Feet |
November, 1998 | 599.895 | + 21.019 | Billion Cubic Feet |
December, 1998 | 658.551 | + 58.656 | Billion Cubic Feet |
January, 1999 | 604.762 | -53.789 | Billion Cubic Feet |
February, 1999 | 565 | -39.762 | Billion Cubic Feet |
March, 1999 | 560.858 | -4.1420000000001 | Billion Cubic Feet |
April, 1999 | 526.799 | -34.059 | Billion Cubic Feet |
May, 1999 | 506.454 | -20.345 | Billion Cubic Feet |
June, 1999 | 483.727 | -22.727 | Billion Cubic Feet |
July, 1999 | 488.074 | + 4.347 | Billion Cubic Feet |
August, 1999 | 529.002 | + 40.928 | Billion Cubic Feet |
September, 1999 | 573.244 | + 44.242 | Billion Cubic Feet |
October, 1999 | 589.649 | + 16.405 | Billion Cubic Feet |
November, 1999 | 600.308 | + 10.659 | Billion Cubic Feet |
December, 1999 | 650.109 | + 49.801 | Billion Cubic Feet |
January, 2000 | 605.85 | -44.259 | Billion Cubic Feet |
February, 2000 | 591.949 | -13.901 | Billion Cubic Feet |
March, 2000 | 563.446 | -28.503 | Billion Cubic Feet |
April, 2000 | 550.657 | -12.789 | Billion Cubic Feet |
May, 2000 | 537.279 | -13.378 | Billion Cubic Feet |
June, 2000 | 534.469 | -2.8099999999999 | Billion Cubic Feet |
July, 2000 | 504.372 | -30.097 | Billion Cubic Feet |
August, 2000 | 559.322 | + 54.95 | Billion Cubic Feet |
September, 2000 | 536.705 | -22.617 | Billion Cubic Feet |
October, 2000 | 571.896 | + 35.191 | Billion Cubic Feet |
November, 2000 | 587.83 | + 15.934 | Billion Cubic Feet |
December, 2000 | 612.919 | + 25.089 | Billion Cubic Feet |
January, 2001 | 575.605 | -37.314 | Billion Cubic Feet |
February, 2001 | 541.605 | -34 | Billion Cubic Feet |
March, 2001 | 557.159 | + 15.554 | Billion Cubic Feet |
April, 2001 | 521.479 | -35.68 | Billion Cubic Feet |
May, 2001 | 473.074 | -48.405 | Billion Cubic Feet |
June, 2001 | 431.586 | -41.488 | Billion Cubic Feet |
July, 2001 | 456.379 | + 24.793 | Billion Cubic Feet |
August, 2001 | 471.323 | + 14.944 | Billion Cubic Feet |
September, 2001 | 466.328 | -4.995 | Billion Cubic Feet |
October, 2001 | 502.978 | + 36.65 | Billion Cubic Feet |
November, 2001 | 510.198 | + 7.22 | Billion Cubic Feet |
December, 2001 | 526.869 | + 16.671 | Billion Cubic Feet |
January, 2002 | 572.219 | + 45.35 | Billion Cubic Feet |
February, 2002 | 532.753 | -39.466 | Billion Cubic Feet |
March, 2002 | 548.963 | + 16.21 | Billion Cubic Feet |
April, 2002 | 549.173 | + 0.21000000000004 | Billion Cubic Feet |
May, 2002 | 504.847 | -44.326 | Billion Cubic Feet |
June, 2002 | 493.255 | -11.592 | Billion Cubic Feet |
July, 2002 | 495.097 | + 1.842 | Billion Cubic Feet |
August, 2002 | 503.879 | + 8.782 | Billion Cubic Feet |
September, 2002 | 472.413 | -31.466 | Billion Cubic Feet |
October, 2002 | 516.017 | + 43.604 | Billion Cubic Feet |
November, 2002 | 534.879 | + 18.862 | Billion Cubic Feet |
December, 2002 | 563.48 | + 28.601 | Billion Cubic Feet |
January, 2003 | 581.468 | + 17.988 | Billion Cubic Feet |
February, 2003 | 552.674 | -28.794 | Billion Cubic Feet |
March, 2003 | 522.378 | -30.296 | Billion Cubic Feet |
April, 2003 | 483.997 | -38.381 | Billion Cubic Feet |
May, 2003 | 463.181 | -20.816 | Billion Cubic Feet |
June, 2003 | 417.334 | -45.847 | Billion Cubic Feet |
July, 2003 | 475.686 | + 58.352 | Billion Cubic Feet |
August, 2003 | 478.282 | + 2.596 | Billion Cubic Feet |
September, 2003 | 469.299 | -8.983 | Billion Cubic Feet |
October, 2003 | 503.444 | + 34.145 | Billion Cubic Feet |
November, 2003 | 506.749 | + 3.305 | Billion Cubic Feet |
December, 2003 | 552.168 | + 45.419 | Billion Cubic Feet |
January, 2004 | 578.694 | + 26.526 | Billion Cubic Feet |
February, 2004 | 550.599 | -28.095 | Billion Cubic Feet |
March, 2004 | 531.163 | -19.436 | Billion Cubic Feet |
April, 2004 | 492.555 | -38.608 | Billion Cubic Feet |
May, 2004 | 466.806 | -25.749 | Billion Cubic Feet |
June, 2004 | 463.692 | -3.114 | Billion Cubic Feet |
July, 2004 | 462.569 | -1.123 | Billion Cubic Feet |
August, 2004 | 477.763 | + 15.194 | Billion Cubic Feet |
September, 2004 | 471.124 | -6.639 | Billion Cubic Feet |
October, 2004 | 498.421 | + 27.297 | Billion Cubic Feet |
November, 2004 | 513.529 | + 15.108 | Billion Cubic Feet |
December, 2004 | 558.647 | + 45.118 | Billion Cubic Feet |
January, 2005 | 558.617 | -0.030000000000086 | Billion Cubic Feet |
February, 2005 | 507.415 | -51.202 | Billion Cubic Feet |
March, 2005 | 514.371 | + 6.956 | Billion Cubic Feet |
April, 2005 | 478.933 | -35.438 | Billion Cubic Feet |
May, 2005 | 452.203 | -26.73 | Billion Cubic Feet |
June, 2005 | 416.904 | -35.299 | Billion Cubic Feet |
July, 2005 | 411.479 | -5.425 | Billion Cubic Feet |
August, 2005 | 415.974 | + 4.495 | Billion Cubic Feet |
September, 2005 | 390.619 | -25.355 | Billion Cubic Feet |
October, 2005 | 427.657 | + 37.038 | Billion Cubic Feet |
November, 2005 | 452.106 | + 24.449 | Billion Cubic Feet |
December, 2005 | 491.283 | + 39.177 | Billion Cubic Feet |
January, 2006 | 488.788 | -2.495 | Billion Cubic Feet |
February, 2006 | 476.159 | -12.629 | Billion Cubic Feet |
March, 2006 | 493.696 | + 17.537 | Billion Cubic Feet |
April, 2006 | 449.827 | -43.869 | Billion Cubic Feet |
May, 2006 | 427.66 | -22.167 | Billion Cubic Feet |
June, 2006 | 414.417 | -13.243 | Billion Cubic Feet |
July, 2006 | 409.13 | -5.287 | Billion Cubic Feet |
August, 2006 | 426.917 | + 17.787 | Billion Cubic Feet |
September, 2006 | 429.044 | + 2.127 | Billion Cubic Feet |
October, 2006 | 447.253 | + 18.209 | Billion Cubic Feet |
November, 2006 | 465.384 | + 18.131 | Billion Cubic Feet |
December, 2006 | 483.673 | + 18.289 | Billion Cubic Feet |
January, 2007 | 525.871 | + 42.198 | Billion Cubic Feet |
February, 2007 | 520.556 | -5.3149999999999 | Billion Cubic Feet |
March, 2007 | 497.271 | -23.285 | Billion Cubic Feet |
April, 2007 | 459.544 | -37.727 | Billion Cubic Feet |
May, 2007 | 437.393 | -22.151 | Billion Cubic Feet |
June, 2007 | 426.12 | -11.273 | Billion Cubic Feet |
July, 2007 | 420.135 | -5.985 | Billion Cubic Feet |
August, 2007 | 430.6 | + 10.465 | Billion Cubic Feet |
September, 2007 | 428.126 | -2.474 | Billion Cubic Feet |
October, 2007 | 451.578 | + 23.452 | Billion Cubic Feet |
November, 2007 | 482.933 | + 31.355 | Billion Cubic Feet |
December, 2007 | 524.151 | + 41.218 | Billion Cubic Feet |
January, 2008 | 573.032 | + 48.881 | Billion Cubic Feet |
February, 2008 | 539.92 | -33.112 | Billion Cubic Feet |
March, 2008 | 529.489 | -10.431 | Billion Cubic Feet |
April, 2008 | 482.506 | -46.983 | Billion Cubic Feet |
May, 2008 | 463.661 | -18.845 | Billion Cubic Feet |
June, 2008 | 433.679 | -29.982 | Billion Cubic Feet |
July, 2008 | 437.61 | + 3.931 | Billion Cubic Feet |
August, 2008 | 440.134 | + 2.524 | Billion Cubic Feet |
September, 2008 | 406.764 | -33.37 | Billion Cubic Feet |
October, 2008 | 457.922 | + 51.158 | Billion Cubic Feet |
November, 2008 | 472.289 | + 14.367 | Billion Cubic Feet |
December, 2008 | 478.39 | + 6.101 | Billion Cubic Feet |
January, 2009 | 502.096 | + 23.706 | Billion Cubic Feet |
February, 2009 | 452.373 | -49.723 | Billion Cubic Feet |
March, 2009 | 457.074 | + 4.701 | Billion Cubic Feet |
April, 2009 | 418.686 | -38.388 | Billion Cubic Feet |
May, 2009 | 390.998 | -27.688 | Billion Cubic Feet |
June, 2009 | 376.963 | -14.035 | Billion Cubic Feet |
July, 2009 | 387.039 | + 10.076 | Billion Cubic Feet |
August, 2009 | 403.293 | + 16.254 | Billion Cubic Feet |
September, 2009 | 395.492 | -7.801 | Billion Cubic Feet |
October, 2009 | 436.919 | + 41.427 | Billion Cubic Feet |
November, 2009 | 452.028 | + 15.109 | Billion Cubic Feet |
December, 2009 | 504.642 | + 52.614 | Billion Cubic Feet |
January, 2010 | 554.246 | + 49.604 | Billion Cubic Feet |
February, 2010 | 515.715 | -38.531 | Billion Cubic Feet |
March, 2010 | 514.997 | -0.71800000000007 | Billion Cubic Feet |
April, 2010 | 459.022 | -55.975 | Billion Cubic Feet |
May, 2010 | 462.766 | + 3.744 | Billion Cubic Feet |
June, 2010 | 444.829 | -17.937 | Billion Cubic Feet |
July, 2010 | 445.733 | + 0.904 | Billion Cubic Feet |
August, 2010 | 444.568 | -1.165 | Billion Cubic Feet |
September, 2010 | 448.759 | + 4.191 | Billion Cubic Feet |
October, 2010 | 462.582 | + 13.823 | Billion Cubic Feet |
November, 2010 | 494.834 | + 32.252 | Billion Cubic Feet |
December, 2010 | 549.151 | + 54.317 | Billion Cubic Feet |
January, 2011 | 569.35 | + 20.199 | Billion Cubic Feet |
February, 2011 | 519.254 | -50.096 | Billion Cubic Feet |
March, 2011 | 534.147 | + 14.893 | Billion Cubic Feet |
April, 2011 | 485.813 | -48.334 | Billion Cubic Feet |
May, 2011 | 476.156 | -9.657 | Billion Cubic Feet |
June, 2011 | 447.744 | -28.412 | Billion Cubic Feet |
July, 2011 | 445.349 | -2.395 | Billion Cubic Feet |
August, 2011 | 454.215 | + 8.866 | Billion Cubic Feet |
September, 2011 | 458.605 | + 4.39 | Billion Cubic Feet |
October, 2011 | 486.137 | + 27.532 | Billion Cubic Feet |
November, 2011 | 508.17 | + 22.033 | Billion Cubic Feet |
December, 2011 | 546.522 | + 38.352 | Billion Cubic Feet |
January, 2012 | 571.544 | + 25.022 | Billion Cubic Feet |
February, 2012 | 534.332 | -37.212 | Billion Cubic Feet |
March, 2012 | 517.651 | -16.681 | Billion Cubic Feet |
April, 2012 | 489.234 | -28.417 | Billion Cubic Feet |
May, 2012 | 481.294 | -7.94 | Billion Cubic Feet |
June, 2012 | 468.039 | -13.255 | Billion Cubic Feet |
July, 2012 | 467.889 | -0.14999999999998 | Billion Cubic Feet |
August, 2012 | 482.43 | + 14.541 | Billion Cubic Feet |
September, 2012 | 479.462 | -2.968 | Billion Cubic Feet |
October, 2012 | 509.274 | + 29.812 | Billion Cubic Feet |
November, 2012 | 524.353 | + 15.079 | Billion Cubic Feet |
December, 2012 | 551.692 | + 27.339 | Billion Cubic Feet |
January, 2013 | 576.224 | + 24.532 | Billion Cubic Feet |
February, 2013 | 532.78 | -43.444 | Billion Cubic Feet |
March, 2013 | 556.836 | + 24.056 | Billion Cubic Feet |
April, 2013 | 508.172 | -48.664 | Billion Cubic Feet |
May, 2013 | 499.532 | -8.64 | Billion Cubic Feet |
June, 2013 | 468.19 | -31.342 | Billion Cubic Feet |
July, 2013 | 473.387 | + 5.197 | Billion Cubic Feet |
August, 2013 | 487.99 | + 14.603 | Billion Cubic Feet |
September, 2013 | 479.38 | -8.61 | Billion Cubic Feet |
October, 2013 | 516.194 | + 36.814 | Billion Cubic Feet |
November, 2013 | 554.821 | + 38.627 | Billion Cubic Feet |
December, 2013 | 601.644 | + 46.823 | Billion Cubic Feet |
January, 2014 | 616.801 | + 15.157 | Billion Cubic Feet |
February, 2014 | 570.31 | -46.491 | Billion Cubic Feet |
March, 2014 | 586.188 | + 15.878 | Billion Cubic Feet |
April, 2014 | 538.376 | -47.812 | Billion Cubic Feet |
May, 2014 | 513.975 | -24.401 | Billion Cubic Feet |
June, 2014 | 494.525 | -19.45 | Billion Cubic Feet |
July, 2014 | 505.894 | + 11.369 | Billion Cubic Feet |
August, 2014 | 507.748 | + 1.854 | Billion Cubic Feet |
September, 2014 | 496.33 | -11.418 | Billion Cubic Feet |
October, 2014 | 515.26 | + 18.93 | Billion Cubic Feet |
November, 2014 | 565.422 | + 50.162 | Billion Cubic Feet |
December, 2014 | 590.25 | + 24.828 | Billion Cubic Feet |
January, 2015 | 614.838 | + 24.588 | Billion Cubic Feet |
February, 2015 | 567.371 | -47.467 | Billion Cubic Feet |
March, 2015 | 562.704 | -4.667 | Billion Cubic Feet |
April, 2015 | 515.052 | -47.652 | Billion Cubic Feet |
May, 2015 | 507.684 | -7.368 | Billion Cubic Feet |
June, 2015 | 473.65 | -34.034 | Billion Cubic Feet |
July, 2015 | 482.456 | + 8.806 | Billion Cubic Feet |
August, 2015 | 489.439 | + 6.983 | Billion Cubic Feet |
September, 2015 | 476.578 | -12.861 | Billion Cubic Feet |
October, 2015 | 510.642 | + 34.064 | Billion Cubic Feet |
November, 2015 | 535.245 | + 24.603 | Billion Cubic Feet |
December, 2015 | 564.32 | + 29.075 | Billion Cubic Feet |
January, 2016 | 617.729 | + 53.409 | Billion Cubic Feet |
February, 2016 | 567.8 | -49.929 | Billion Cubic Feet |
March, 2016 | 563.745 | -4.0549999999999 | Billion Cubic Feet |
April, 2016 | 525.087 | -38.658 | Billion Cubic Feet |
May, 2016 | 515.006 | -10.081 | Billion Cubic Feet |
June, 2016 | 489.376 | -25.63 | Billion Cubic Feet |
July, 2016 | 509.322 | + 19.946 | Billion Cubic Feet |
August, 2016 | 519.177 | + 9.855 | Billion Cubic Feet |
September, 2016 | 502.856 | -16.321 | Billion Cubic Feet |
October, 2016 | 523.346 | + 20.49 | Billion Cubic Feet |
November, 2016 | 555.557 | + 32.211 | Billion Cubic Feet |
December, 2016 | 630.229 | + 74.672 | Billion Cubic Feet |
January, 2017 | 627.298 | -2.931 | Billion Cubic Feet |
February, 2017 | 553.365 | -73.933 | Billion Cubic Feet |
March, 2017 | 593.686 | + 40.321 | Billion Cubic Feet |
April, 2017 | 533.191 | -60.495 | Billion Cubic Feet |
May, 2017 | 527.734 | -5.457 | Billion Cubic Feet |
June, 2017 | 510.826 | -16.908 | Billion Cubic Feet |
July, 2017 | 512.727 | + 1.901 | Billion Cubic Feet |
August, 2017 | 529.151 | + 16.424 | Billion Cubic Feet |
September, 2017 | 513.123 | -16.028 | Billion Cubic Feet |
October, 2017 | 553.068 | + 39.945 | Billion Cubic Feet |
November, 2017 | 592.114 | + 39.046 | Billion Cubic Feet |
December, 2017 | 646.47 | + 54.356 | Billion Cubic Feet |
January, 2018 | 666.731 | + 20.261 | Billion Cubic Feet |
February, 2018 | 598.502 | -68.229 | Billion Cubic Feet |
March, 2018 | 632.739 | + 34.237 | Billion Cubic Feet |
April, 2018 | 595.478 | -37.261 | Billion Cubic Feet |
May, 2018 | 565.945 | -29.533 | Billion Cubic Feet |
June, 2018 | 541.946 | -23.999 | Billion Cubic Feet |
July, 2018 | 551.932 | + 9.986 | Billion Cubic Feet |
August, 2018 | 552.042 | + 0.11000000000001 | Billion Cubic Feet |
September, 2018 | 547.158 | -4.884 | Billion Cubic Feet |
October, 2018 | 574.679 | + 27.521 | Billion Cubic Feet |
November, 2018 | 623.091 | + 48.412 | Billion Cubic Feet |
December, 2018 | 652.783 | + 29.692 | Billion Cubic Feet |
January, 2019 | 680.191 | + 27.408 | Billion Cubic Feet |
February, 2019 | 611.467 | -68.724 | Billion Cubic Feet |
March, 2019 | 638.08 | + 26.613 | Billion Cubic Feet |
April, 2019 | 570.909 | -67.171 | Billion Cubic Feet |
May, 2019 | 563.918 | -6.991 | Billion Cubic Feet |
June, 2019 | 523.526 | -40.392 | Billion Cubic Feet |
July, 2019 | 531.569 | + 8.043 | Billion Cubic Feet |
August, 2019 | 552.442 | + 20.873 | Billion Cubic Feet |
September, 2019 | 530.046 | -22.396 | Billion Cubic Feet |
October, 2019 | 570.082 | + 40.036 | Billion Cubic Feet |
November, 2019 | 618.364 | + 48.282 | Billion Cubic Feet |
December, 2019 | 656.841 | + 38.477 | Billion Cubic Feet |
January, 2020 | 666.457 | + 9.616 | Billion Cubic Feet |
February, 2020 | 618.008 | -48.449 | Billion Cubic Feet |
March, 2020 | 605.029 | -12.979 | Billion Cubic Feet |
April, 2020 | 537.226 | -67.803 | Billion Cubic Feet |
May, 2020 | 516.835 | -20.391 | Billion Cubic Feet |
June, 2020 | 497.041 | -19.794 | Billion Cubic Feet |
July, 2020 | 525.107 | + 28.066 | Billion Cubic Feet |
August, 2020 | 537.059 | + 11.952 | Billion Cubic Feet |
September, 2020 | 543.223 | + 6.164 | Billion Cubic Feet |
October, 2020 | 582.391 | + 39.168 | Billion Cubic Feet |
November, 2020 | 600.134 | + 17.743 | Billion Cubic Feet |
December, 2020 | 661.707 | + 61.573 | Billion Cubic Feet |
January, 2021 | 668.686 | + 6.979 | Billion Cubic Feet |
February, 2021 | 573.121 | -95.565 | Billion Cubic Feet |
March, 2021 | 595.389 | + 22.268 | Billion Cubic Feet |
Year | Year Open - Year Close | Year Min - Year Max | Year Average | Year Change |
---|---|---|---|---|
2021 | 668.686 - 595.389 | 573.121 - 668.686 | 612.4 | -73.3 |
2020 | 666.457 - 661.707 | 497.041 - 666.457 | 574.18 | -4.75 |
2019 | 680.191 - 656.841 | 523.526 - 680.191 | 587.29 | -23.35 |
2018 | 666.731 - 652.783 | 541.946 - 666.731 | 591.92 | -13.95 |
2017 | 627.298 - 646.47 | 510.826 - 646.47 | 557.73 | + 19.17 |
2016 | 617.729 - 630.229 | 489.376 - 630.229 | 543.27 | + 12.5 |
2015 | 614.838 - 564.32 | 473.65 - 614.838 | 525 | -50.52 |
2014 | 616.801 - 590.25 | 494.525 - 616.801 | 541.76 | -26.55 |
2013 | 576.224 - 601.644 | 468.19 - 601.644 | 521.26 | + 25.42 |
2012 | 571.544 - 551.692 | 467.889 - 571.544 | 506.43 | -19.85 |
2011 | 569.35 - 546.522 | 445.349 - 569.35 | 494.29 | -22.83 |
2010 | 554.246 - 549.151 | 444.568 - 554.246 | 483.1 | -5.1 |
2009 | 502.096 - 504.642 | 376.963 - 504.642 | 431.47 | + 2.55 |
2008 | 573.032 - 478.39 | 406.764 - 573.032 | 476.28 | -94.64 |
2007 | 525.871 - 524.151 | 420.135 - 525.871 | 467.02 | -1.72 |
2006 | 488.788 - 483.673 | 409.13 - 493.696 | 451 | -5.12 |
2005 | 558.617 - 491.283 | 390.619 - 558.617 | 459.8 | -67.33 |
2004 | 578.694 - 558.647 | 462.569 - 578.694 | 505.46 | -20.05 |
2003 | 581.468 - 552.168 | 417.334 - 581.468 | 500.56 | -29.3 |
2002 | 572.219 - 563.48 | 472.413 - 572.219 | 523.91 | -8.74 |
2001 | 575.605 - 526.869 | 431.586 - 575.605 | 502.88 | -48.74 |
2000 | 605.85 - 612.919 | 504.372 - 612.919 | 563.06 | + 7.07 |
1999 | 604.762 - 650.109 | 483.727 - 650.109 | 556.5 | + 45.35 |
1998 | 650.895 - 658.551 | 507.251 - 658.551 | 580.45 | + 7.66 |
1997 | 675.613 - 657.276 | 539.004 - 675.613 | 602.44 | -18.34 |
1996 | 652.89 - 664.824 | 526.219 - 664.824 | 595.54 | + 11.93 |
1995 | 635.598 - 647.081 | 524.279 - 647.081 | 575.49 | + 11.48 |
1994 | 624.409 - 599.039 | 485.713 - 624.409 | 551.1 | -25.37 |
1993 | 589.845 - 598.75 | 504.713 - 598.75 | 547.97 | + 8.9 |
1992 | 605.907 - 583.395 | 487.501 - 605.907 | 534.96 | -22.51 |
1991 | 580.072 - 574.591 | 461.964 - 580.072 | 514.19 | -5.48 |
1990 | 531.948 - 546.236 | 448.458 - 546.236 | 496.93 | + 14.29 |
1989 | 525.712 - 563.952 | 445.308 - 563.952 | 491.89 | + 38.24 |
1988 | 577.59 - 577.264 | 480.201 - 595.88 | 531.95 | -0.33 |
1987 | 653.401 - 571.49 | 419.924 - 653.401 | 496.11 | -81.91 |
1986 | 646.762 - 471.089 | 365.513 - 646.762 | 464.92 | -175.67 |
1985 | 615.278 - 571.485 | 425.218 - 615.278 | 491.77 | -43.79 |
1984 | 645.052 - 511.821 | 442.471 - 645.052 | 512.82 | -133.23 |
1983 | 593.189 - 469.099 | 405.059 - 593.189 | 470.23 | -124.09 |
1982 | 670 - 521 | 375 - 670 | 486 | -149 |
1981 | 654 - 769 | 440 - 769 | 594 | + 115 |
1980 | 719 - 742 | 454 - 749 | 597.58 | + 23 |