Month | Data | Change | Unit |
---|---|---|---|
September, 1975 | -189 | 0 | Billion Cubic Feet |
October, 1975 | -139 | + 50 | Billion Cubic Feet |
November, 1975 | 48 | + 187 | Billion Cubic Feet |
December, 1975 | 333 | + 285 | Billion Cubic Feet |
January, 1976 | 472 | + 139 | Billion Cubic Feet |
February, 1976 | 186 | -286 | Billion Cubic Feet |
March, 1976 | 114 | -72 | Billion Cubic Feet |
April, 1976 | -97 | -211 | Billion Cubic Feet |
May, 1976 | -198 | -101 | Billion Cubic Feet |
June, 1976 | -248 | -50 | Billion Cubic Feet |
July, 1976 | -265 | -17 | Billion Cubic Feet |
August, 1976 | -252 | + 13 | Billion Cubic Feet |
September, 1976 | -213 | + 39 | Billion Cubic Feet |
October, 1976 | -14 | + 199 | Billion Cubic Feet |
November, 1976 | 234 | + 248 | Billion Cubic Feet |
December, 1976 | 447 | + 213 | Billion Cubic Feet |
January, 1977 | 647 | + 200 | Billion Cubic Feet |
February, 1977 | 136 | -511 | Billion Cubic Feet |
March, 1977 | -50 | -186 | Billion Cubic Feet |
April, 1977 | -204 | -154 | Billion Cubic Feet |
May, 1977 | -301 | -97 | Billion Cubic Feet |
June, 1977 | -294 | + 7 | Billion Cubic Feet |
July, 1977 | -321 | -27 | Billion Cubic Feet |
August, 1977 | -259 | + 62 | Billion Cubic Feet |
September, 1977 | -251 | + 8 | Billion Cubic Feet |
October, 1977 | -108 | + 143 | Billion Cubic Feet |
November, 1977 | 77 | + 185 | Billion Cubic Feet |
December, 1977 | 372 | + 295 | Billion Cubic Feet |
January, 1978 | 641 | + 269 | Billion Cubic Feet |
February, 1978 | 505 | -136 | Billion Cubic Feet |
March, 1978 | 186 | -319 | Billion Cubic Feet |
April, 1978 | -108 | -294 | Billion Cubic Feet |
May, 1978 | -255 | -147 | Billion Cubic Feet |
June, 1978 | -339 | -84 | Billion Cubic Feet |
July, 1978 | -325 | + 14 | Billion Cubic Feet |
August, 1978 | -339 | -14 | Billion Cubic Feet |
September, 1978 | -313 | + 26 | Billion Cubic Feet |
October, 1978 | -176 | + 137 | Billion Cubic Feet |
November, 1978 | 54 | + 230 | Billion Cubic Feet |
December, 1978 | 349 | + 295 | Billion Cubic Feet |
January, 1979 | 655 | + 306 | Billion Cubic Feet |
February, 1979 | 546 | -109 | Billion Cubic Feet |
March, 1979 | 116 | -430 | Billion Cubic Feet |
April, 1979 | -102 | -218 | Billion Cubic Feet |
May, 1979 | -284 | -182 | Billion Cubic Feet |
June, 1979 | -329 | -45 | Billion Cubic Feet |
July, 1979 | -329 | 0 | Billion Cubic Feet |
August, 1979 | -336 | -7 | Billion Cubic Feet |
September, 1979 | -300 | + 36 | Billion Cubic Feet |
October, 1979 | -155 | + 145 | Billion Cubic Feet |
November, 1979 | 28 | + 183 | Billion Cubic Feet |
December, 1979 | 242 | + 214 | Billion Cubic Feet |
January, 1980 | 403 | + 161 | Billion Cubic Feet |
February, 1980 | 427 | + 24 | Billion Cubic Feet |
March, 1980 | 224 | -203 | Billion Cubic Feet |
April, 1980 | -102 | -326 | Billion Cubic Feet |
May, 1980 | -289 | -187 | Billion Cubic Feet |
June, 1980 | -279 | + 10 | Billion Cubic Feet |
July, 1980 | -267 | + 12 | Billion Cubic Feet |
August, 1980 | -244 | + 23 | Billion Cubic Feet |
September, 1980 | -229 | + 15 | Billion Cubic Feet |
October, 1980 | -91 | + 138 | Billion Cubic Feet |
November, 1980 | 123 | + 214 | Billion Cubic Feet |
December, 1980 | 337 | + 214 | Billion Cubic Feet |
January, 1981 | 521 | + 184 | Billion Cubic Feet |
February, 1981 | 317 | -204 | Billion Cubic Feet |
March, 1981 | 179 | -138 | Billion Cubic Feet |
April, 1981 | -153 | -332 | Billion Cubic Feet |
May, 1981 | -229 | -76 | Billion Cubic Feet |
June, 1981 | -287 | -58 | Billion Cubic Feet |
July, 1981 | -309 | -22 | Billion Cubic Feet |
August, 1981 | -346 | -37 | Billion Cubic Feet |
September, 1981 | -278 | + 68 | Billion Cubic Feet |
October, 1981 | -105 | + 173 | Billion Cubic Feet |
November, 1981 | 44 | + 149 | Billion Cubic Feet |
December, 1981 | 353 | + 309 | Billion Cubic Feet |
January, 1982 | 649 | + 296 | Billion Cubic Feet |
February, 1982 | 396 | -253 | Billion Cubic Feet |
March, 1982 | 177 | -219 | Billion Cubic Feet |
April, 1982 | -72 | -249 | Billion Cubic Feet |
May, 1982 | -371 | -299 | Billion Cubic Feet |
June, 1982 | -342 | + 29 | Billion Cubic Feet |
July, 1982 | -339 | + 3 | Billion Cubic Feet |
August, 1982 | -297 | + 42 | Billion Cubic Feet |
September, 1982 | -257 | + 40 | Billion Cubic Feet |
October, 1982 | -131 | + 126 | Billion Cubic Feet |
November, 1982 | 80 | + 211 | Billion Cubic Feet |
December, 1982 | 203 | + 123 | Billion Cubic Feet |
January, 1983 | 425 | + 222 | Billion Cubic Feet |
February, 1983 | 289 | -136 | Billion Cubic Feet |
March, 1983 | 207 | -82 | Billion Cubic Feet |
April, 1983 | 78 | -129 | Billion Cubic Feet |
May, 1983 | -151 | -229 | Billion Cubic Feet |
June, 1983 | -233 | -82 | Billion Cubic Feet |
July, 1983 | -243 | -10 | Billion Cubic Feet |
August, 1983 | -212 | + 31 | Billion Cubic Feet |
September, 1983 | -232 | -20 | Billion Cubic Feet |
October, 1983 | -131 | + 101 | Billion Cubic Feet |
November, 1983 | 78 | + 209 | Billion Cubic Feet |
December, 1983 | 568 | + 490 | Billion Cubic Feet |
January, 1984 | 517 | -51 | Billion Cubic Feet |
February, 1984 | 245 | -272 | Billion Cubic Feet |
March, 1984 | 317 | + 72 | Billion Cubic Feet |
April, 1984 | -44 | -361 | Billion Cubic Feet |
May, 1984 | -224 | -180 | Billion Cubic Feet |
June, 1984 | -296 | -72 | Billion Cubic Feet |
July, 1984 | -318 | -22 | Billion Cubic Feet |
August, 1984 | -288 | + 30 | Billion Cubic Feet |
September, 1984 | -259 | + 29 | Billion Cubic Feet |
October, 1984 | -195 | + 64 | Billion Cubic Feet |
November, 1984 | 144 | + 339 | Billion Cubic Feet |
December, 1984 | 212 | + 68 | Billion Cubic Feet |
January, 1985 | 610 | + 398 | Billion Cubic Feet |
February, 1985 | 391 | -219 | Billion Cubic Feet |
March, 1985 | 119 | -272 | Billion Cubic Feet |
April, 1985 | -113 | -232 | Billion Cubic Feet |
May, 1985 | -271 | -158 | Billion Cubic Feet |
June, 1985 | -221 | + 50 | Billion Cubic Feet |
July, 1985 | -264 | -43 | Billion Cubic Feet |
August, 1985 | -228 | + 36 | Billion Cubic Feet |
September, 1985 | -252 | -24 | Billion Cubic Feet |
October, 1985 | -128 | + 124 | Billion Cubic Feet |
November, 1985 | 103 | + 231 | Billion Cubic Feet |
December, 1985 | 485 | + 382 | Billion Cubic Feet |
January, 1986 | 366 | -119 | Billion Cubic Feet |
February, 1986 | 315 | -51 | Billion Cubic Feet |
March, 1986 | 104 | -211 | Billion Cubic Feet |
April, 1986 | -67 | -171 | Billion Cubic Feet |
May, 1986 | -213 | -146 | Billion Cubic Feet |
June, 1986 | -231 | -18 | Billion Cubic Feet |
July, 1986 | -245 | -14 | Billion Cubic Feet |
August, 1986 | -253 | -8 | Billion Cubic Feet |
September, 1986 | -214 | + 39 | Billion Cubic Feet |
October, 1986 | -141 | + 73 | Billion Cubic Feet |
November, 1986 | 123 | + 264 | Billion Cubic Feet |
December, 1986 | 316 | + 193 | Billion Cubic Feet |
January, 1987 | 475 | + 159 | Billion Cubic Feet |
February, 1987 | 285 | -190 | Billion Cubic Feet |
March, 1987 | 105 | -180 | Billion Cubic Feet |
April, 1987 | -62 | -167 | Billion Cubic Feet |
May, 1987 | -265 | -203 | Billion Cubic Feet |
June, 1987 | -227 | + 38 | Billion Cubic Feet |
July, 1987 | -199 | + 28 | Billion Cubic Feet |
August, 1987 | -198 | + 1 | Billion Cubic Feet |
September, 1987 | -208 | -10 | Billion Cubic Feet |
October, 1987 | -60 | + 148 | Billion Cubic Feet |
November, 1987 | 48 | + 108 | Billion Cubic Feet |
December, 1987 | 300 | + 252 | Billion Cubic Feet |
January, 1988 | 531 | + 231 | Billion Cubic Feet |
February, 1988 | 406 | -125 | Billion Cubic Feet |
March, 1988 | 156 | -250 | Billion Cubic Feet |
April, 1988 | -70 | -226 | Billion Cubic Feet |
May, 1988 | -236 | -166 | Billion Cubic Feet |
June, 1988 | -238 | -2 | Billion Cubic Feet |
July, 1988 | -252 | -14 | Billion Cubic Feet |
August, 1988 | -230 | + 22 | Billion Cubic Feet |
September, 1988 | -262 | -32 | Billion Cubic Feet |
October, 1988 | -106 | + 156 | Billion Cubic Feet |
November, 1988 | 40 | + 146 | Billion Cubic Feet |
December, 1988 | 329 | + 289 | Billion Cubic Feet |
January, 1989 | 365 | + 36 | Billion Cubic Feet |
February, 1989 | 570 | + 205 | Billion Cubic Feet |
March, 1989 | 256 | -314 | Billion Cubic Feet |
April, 1989 | -42 | -298 | Billion Cubic Feet |
May, 1989 | -277 | -235 | Billion Cubic Feet |
June, 1989 | -354 | -77 | Billion Cubic Feet |
July, 1989 | -342 | + 12 | Billion Cubic Feet |
August, 1989 | -327 | + 15 | Billion Cubic Feet |
September, 1989 | -281 | + 46 | Billion Cubic Feet |
October, 1989 | -125 | + 156 | Billion Cubic Feet |
November, 1989 | 118 | + 243 | Billion Cubic Feet |
December, 1989 | 753 | + 635 | Billion Cubic Feet |
January, 1990 | 249 | -504 | Billion Cubic Feet |
February, 1990 | 262 | + 13 | Billion Cubic Feet |
March, 1990 | 133 | -129 | Billion Cubic Feet |
April, 1990 | -50 | -183 | Billion Cubic Feet |
May, 1990 | -250 | -200 | Billion Cubic Feet |
June, 1990 | -284 | -34 | Billion Cubic Feet |
July, 1990 | -300 | -16 | Billion Cubic Feet |
August, 1990 | -279 | + 21 | Billion Cubic Feet |
September, 1990 | -249 | + 30 | Billion Cubic Feet |
October, 1990 | -146 | + 103 | Billion Cubic Feet |
November, 1990 | 11 | + 157 | Billion Cubic Feet |
December, 1990 | 404 | + 393 | Billion Cubic Feet |
January, 1991 | 544.659 | + 140.659 | Billion Cubic Feet |
February, 1991 | 284.838 | -259.821 | Billion Cubic Feet |
March, 1991 | 161.742 | -123.096 | Billion Cubic Feet |
April, 1991 | -124.345 | -286.087 | Billion Cubic Feet |
May, 1991 | -260.688 | -136.343 | Billion Cubic Feet |
June, 1991 | -272.052 | -11.364 | Billion Cubic Feet |
July, 1991 | -214.221 | + 57.831 | Billion Cubic Feet |
August, 1991 | -199.864 | + 14.357 | Billion Cubic Feet |
September, 1991 | -216.387 | -16.523 | Billion Cubic Feet |
October, 1991 | -147.908 | + 68.479 | Billion Cubic Feet |
November, 1991 | 201.59 | + 349.498 | Billion Cubic Feet |
December, 1991 | 322.991 | + 121.401 | Billion Cubic Feet |
January, 1992 | 523.77 | + 200.779 | Billion Cubic Feet |
February, 1992 | 388.858 | -134.912 | Billion Cubic Feet |
March, 1992 | 300.57 | -88.288 | Billion Cubic Feet |
April, 1992 | -17.528 | -318.098 | Billion Cubic Feet |
May, 1992 | -277.127 | -259.599 | Billion Cubic Feet |
June, 1992 | -322.935 | -45.808 | Billion Cubic Feet |
July, 1992 | -306.761 | + 16.174 | Billion Cubic Feet |
August, 1992 | -309.424 | -2.663 | Billion Cubic Feet |
September, 1992 | -297.793 | + 11.631 | Billion Cubic Feet |
October, 1992 | -185.819 | + 111.974 | Billion Cubic Feet |
November, 1992 | 181.199 | + 367.018 | Billion Cubic Feet |
December, 1992 | 491.369 | + 310.17 | Billion Cubic Feet |
January, 1993 | 555.322 | + 63.953 | Billion Cubic Feet |
February, 1993 | 547.074 | -8.248 | Billion Cubic Feet |
March, 1993 | 303.931 | -243.143 | Billion Cubic Feet |
April, 1993 | -109.009 | -412.94 | Billion Cubic Feet |
May, 1993 | -426.054 | -317.045 | Billion Cubic Feet |
June, 1993 | -374.365 | + 51.689 | Billion Cubic Feet |
July, 1993 | -350.169 | + 24.196 | Billion Cubic Feet |
August, 1993 | -318.579 | + 31.59 | Billion Cubic Feet |
September, 1993 | -352.704 | -34.125 | Billion Cubic Feet |
October, 1993 | -153.428 | + 199.276 | Billion Cubic Feet |
November, 1993 | 196.712 | + 350.14 | Billion Cubic Feet |
December, 1993 | 438.597 | + 241.885 | Billion Cubic Feet |
January, 1994 | 757.714 | + 319.117 | Billion Cubic Feet |
February, 1994 | 517.384 | -240.33 | Billion Cubic Feet |
March, 1994 | 134.674 | -382.71 | Billion Cubic Feet |
April, 1994 | -217.918 | -352.592 | Billion Cubic Feet |
May, 1994 | -402.68 | -184.762 | Billion Cubic Feet |
June, 1994 | -343.917 | + 58.763 | Billion Cubic Feet |
July, 1994 | -384.389 | -40.472 | Billion Cubic Feet |
August, 1994 | -342.748 | + 41.641 | Billion Cubic Feet |
September, 1994 | -324.17 | + 18.578 | Billion Cubic Feet |
October, 1994 | -170.256 | + 153.914 | Billion Cubic Feet |
November, 1994 | 99.102 | + 269.358 | Billion Cubic Feet |
December, 1994 | 389.075 | + 289.973 | Billion Cubic Feet |
January, 1995 | 599.153 | + 210.078 | Billion Cubic Feet |
February, 1995 | 519.5 | -79.653 | Billion Cubic Feet |
March, 1995 | 222.612 | -296.888 | Billion Cubic Feet |
April, 1995 | -49.401 | -272.013 | Billion Cubic Feet |
May, 1995 | -335.26 | -285.859 | Billion Cubic Feet |
June, 1995 | -370.592 | -35.332 | Billion Cubic Feet |
July, 1995 | -305.827 | + 64.765 | Billion Cubic Feet |
August, 1995 | -206.873 | + 98.954 | Billion Cubic Feet |
September, 1995 | -313.356 | -106.483 | Billion Cubic Feet |
October, 1995 | -205.344 | + 108.012 | Billion Cubic Feet |
November, 1995 | 271.826 | + 477.17 | Billion Cubic Feet |
December, 1995 | 581.782 | + 309.956 | Billion Cubic Feet |
January, 1996 | 699.748 | + 117.966 | Billion Cubic Feet |
February, 1996 | 446.941 | -252.807 | Billion Cubic Feet |
March, 1996 | 322.623 | -124.318 | Billion Cubic Feet |
April, 1996 | -114.544 | -437.167 | Billion Cubic Feet |
May, 1996 | -327.768 | -213.224 | Billion Cubic Feet |
June, 1996 | -375.133 | -47.365 | Billion Cubic Feet |
July, 1996 | -369.504 | + 5.629 | Billion Cubic Feet |
August, 1996 | -345.894 | + 23.61 | Billion Cubic Feet |
September, 1996 | -366.042 | -20.148 | Billion Cubic Feet |
October, 1996 | -202.675 | + 163.367 | Billion Cubic Feet |
November, 1996 | 263.567 | + 466.242 | Billion Cubic Feet |
December, 1996 | 374.417 | + 110.85 | Billion Cubic Feet |
January, 1997 | 684.252 | + 309.835 | Billion Cubic Feet |
February, 1997 | 358.466 | -325.786 | Billion Cubic Feet |
March, 1997 | 154.718 | -203.748 | Billion Cubic Feet |
April, 1997 | -58.694 | -213.412 | Billion Cubic Feet |
May, 1997 | -321.03 | -262.336 | Billion Cubic Feet |
June, 1997 | -365.13 | -44.1 | Billion Cubic Feet |
July, 1997 | -282.389 | + 82.741 | Billion Cubic Feet |
August, 1997 | -322.196 | -39.807 | Billion Cubic Feet |
September, 1997 | -336.341 | -14.145 | Billion Cubic Feet |
October, 1997 | -210.121 | + 126.22 | Billion Cubic Feet |
November, 1997 | 188.941 | + 399.062 | Billion Cubic Feet |
December, 1997 | 533.474 | + 344.533 | Billion Cubic Feet |
January, 1998 | 468.371 | -65.103 | Billion Cubic Feet |
February, 1998 | 290.679 | -177.692 | Billion Cubic Feet |
March, 1998 | 245.667 | -45.012 | Billion Cubic Feet |
April, 1998 | -200.234 | -445.901 | Billion Cubic Feet |
May, 1998 | -390.552 | -190.318 | Billion Cubic Feet |
June, 1998 | -326.636 | + 63.916 | Billion Cubic Feet |
July, 1998 | -317.056 | + 9.58 | Billion Cubic Feet |
August, 1998 | -277.684 | + 39.372 | Billion Cubic Feet |
September, 1998 | -224.007 | + 53.677 | Billion Cubic Feet |
October, 1998 | -261.799 | -37.792 | Billion Cubic Feet |
November, 1998 | 31.2 | + 292.999 | Billion Cubic Feet |
December, 1998 | 435.953 | + 404.753 | Billion Cubic Feet |
January, 1999 | 623.676 | + 187.723 | Billion Cubic Feet |
February, 1999 | 321.378 | -302.298 | Billion Cubic Feet |
March, 1999 | 297.241 | -24.137 | Billion Cubic Feet |
April, 1999 | -90.142 | -387.383 | Billion Cubic Feet |
May, 1999 | -336.56 | -246.418 | Billion Cubic Feet |
June, 1999 | -307.395 | + 29.165 | Billion Cubic Feet |
July, 1999 | -217.488 | + 89.907 | Billion Cubic Feet |
August, 1999 | -221.395 | -3.907 | Billion Cubic Feet |
September, 1999 | -315.007 | -93.612 | Billion Cubic Feet |
October, 1999 | -155.137 | + 159.87 | Billion Cubic Feet |
November, 1999 | 32.174 | + 187.311 | Billion Cubic Feet |
December, 1999 | 542.681 | + 510.507 | Billion Cubic Feet |
January, 2000 | 782.064 | + 239.383 | Billion Cubic Feet |
February, 2000 | 450.364 | -331.7 | Billion Cubic Feet |
March, 2000 | 152.111 | -298.253 | Billion Cubic Feet |
April, 2000 | -45.702 | -197.813 | Billion Cubic Feet |
May, 2000 | -231.195 | -185.493 | Billion Cubic Feet |
June, 2000 | -284.459 | -53.264 | Billion Cubic Feet |
July, 2000 | -289.278 | -4.819 | Billion Cubic Feet |
August, 2000 | -196.014 | + 93.264 | Billion Cubic Feet |
September, 2000 | -290.675 | -94.661 | Billion Cubic Feet |
October, 2000 | -241.349 | + 49.326 | Billion Cubic Feet |
November, 2000 | 288.299 | + 529.648 | Billion Cubic Feet |
December, 2000 | 719.754 | + 431.455 | Billion Cubic Feet |
January, 2001 | 495.576 | -224.178 | Billion Cubic Feet |
February, 2001 | 339.432 | -156.144 | Billion Cubic Feet |
March, 2001 | 182.681 | -156.751 | Billion Cubic Feet |
April, 2001 | -279.05 | -461.731 | Billion Cubic Feet |
May, 2001 | -479.091 | -200.041 | Billion Cubic Feet |
June, 2001 | -440.851 | + 38.24 | Billion Cubic Feet |
July, 2001 | -384.901 | + 55.95 | Billion Cubic Feet |
August, 2001 | -307.17 | + 77.731 | Billion Cubic Feet |
September, 2001 | -371.933 | -64.763 | Billion Cubic Feet |
October, 2001 | -189.516 | + 182.417 | Billion Cubic Feet |
November, 2001 | -72.614 | + 116.902 | Billion Cubic Feet |
December, 2001 | 351.862 | + 424.476 | Billion Cubic Feet |
January, 2002 | 546.498 | + 194.636 | Billion Cubic Feet |
February, 2002 | 464.117 | -82.381 | Billion Cubic Feet |
March, 2002 | 320.09 | -144.027 | Billion Cubic Feet |
April, 2002 | -125.786 | -445.876 | Billion Cubic Feet |
May, 2002 | -321.581 | -195.795 | Billion Cubic Feet |
June, 2002 | -341.023 | -19.442 | Billion Cubic Feet |
July, 2002 | -241.508 | + 99.515 | Billion Cubic Feet |
August, 2002 | -235.83 | + 5.678 | Billion Cubic Feet |
September, 2002 | -268.743 | -32.913 | Billion Cubic Feet |
October, 2002 | -86.942 | + 181.801 | Billion Cubic Feet |
November, 2002 | 198.076 | + 285.018 | Billion Cubic Feet |
December, 2002 | 560.454 | + 362.378 | Billion Cubic Feet |
January, 2003 | 839.563 | + 279.109 | Billion Cubic Feet |
February, 2003 | 677.032 | -162.531 | Billion Cubic Feet |
March, 2003 | 135.345 | -541.687 | Billion Cubic Feet |
April, 2003 | -157.7 | -293.045 | Billion Cubic Feet |
May, 2003 | -411.951 | -254.251 | Billion Cubic Feet |
June, 2003 | -469.296 | -57.345 | Billion Cubic Feet |
July, 2003 | -361.389 | + 107.907 | Billion Cubic Feet |
August, 2003 | -310.47 | + 50.919 | Billion Cubic Feet |
September, 2003 | -411.056 | -100.586 | Billion Cubic Feet |
October, 2003 | -284.134 | + 126.922 | Billion Cubic Feet |
November, 2003 | 86.599 | + 370.733 | Billion Cubic Feet |
December, 2003 | 474.477 | + 387.878 | Billion Cubic Feet |
January, 2004 | 815.333 | + 340.856 | Billion Cubic Feet |
February, 2004 | 602.529 | -212.804 | Billion Cubic Feet |
March, 2004 | 103.77 | -498.759 | Billion Cubic Feet |
April, 2004 | -203.058 | -306.828 | Billion Cubic Feet |
May, 2004 | -381.824 | -178.766 | Billion Cubic Feet |
June, 2004 | -399.756 | -17.932 | Billion Cubic Feet |
July, 2004 | -364.361 | + 35.395 | Billion Cubic Feet |
August, 2004 | -347.766 | + 16.595 | Billion Cubic Feet |
September, 2004 | -325.388 | + 22.378 | Billion Cubic Feet |
October, 2004 | -247.256 | + 78.132 | Billion Cubic Feet |
November, 2004 | 63.691 | + 310.947 | Billion Cubic Feet |
December, 2004 | 570.648 | + 506.957 | Billion Cubic Feet |
January, 2005 | 712.966 | + 142.318 | Billion Cubic Feet |
February, 2005 | 428.561 | -284.405 | Billion Cubic Feet |
March, 2005 | 284.927 | -143.634 | Billion Cubic Feet |
April, 2005 | -215.869 | -500.796 | Billion Cubic Feet |
May, 2005 | -382.78 | -166.911 | Billion Cubic Feet |
June, 2005 | -324.321 | + 58.459 | Billion Cubic Feet |
July, 2005 | -256.237 | + 68.084 | Billion Cubic Feet |
August, 2005 | -214.188 | + 42.049 | Billion Cubic Feet |
September, 2005 | -272.538 | -58.35 | Billion Cubic Feet |
October, 2005 | -265.991 | + 6.547 | Billion Cubic Feet |
November, 2005 | 8.401 | + 274.392 | Billion Cubic Feet |
December, 2005 | 552.086 | + 543.685 | Billion Cubic Feet |
January, 2006 | 263.885 | -288.201 | Billion Cubic Feet |
February, 2006 | 485.138 | + 221.253 | Billion Cubic Feet |
March, 2006 | 199.973 | -285.165 | Billion Cubic Feet |
April, 2006 | -255.039 | -455.012 | Billion Cubic Feet |
May, 2006 | -367.417 | -112.378 | Billion Cubic Feet |
June, 2006 | -311.05 | + 56.367 | Billion Cubic Feet |
July, 2006 | -160.582 | + 150.468 | Billion Cubic Feet |
August, 2006 | -188.747 | -28.165 | Billion Cubic Feet |
September, 2006 | -357.6 | -168.853 | Billion Cubic Feet |
October, 2006 | -131.034 | + 226.566 | Billion Cubic Feet |
November, 2006 | 47.587 | + 178.621 | Billion Cubic Feet |
December, 2006 | 343.499 | + 295.912 | Billion Cubic Feet |
January, 2007 | 683.254 | + 339.755 | Billion Cubic Feet |
February, 2007 | 731.856 | + 48.602 | Billion Cubic Feet |
March, 2007 | 50.413 | -681.443 | Billion Cubic Feet |
April, 2007 | -119.718 | -170.131 | Billion Cubic Feet |
May, 2007 | -459.54 | -339.822 | Billion Cubic Feet |
June, 2007 | -389.468 | + 70.072 | Billion Cubic Feet |
July, 2007 | -313.605 | + 75.863 | Billion Cubic Feet |
August, 2007 | -126.643 | + 186.962 | Billion Cubic Feet |
September, 2007 | -298.191 | -171.548 | Billion Cubic Feet |
October, 2007 | -256.539 | + 41.652 | Billion Cubic Feet |
November, 2007 | 121.316 | + 377.855 | Billion Cubic Feet |
December, 2007 | 568.959 | + 447.643 | Billion Cubic Feet |
January, 2008 | 823.619 | + 254.66 | Billion Cubic Feet |
February, 2008 | 592.564 | -231.055 | Billion Cubic Feet |
March, 2008 | 219.472 | -373.092 | Billion Cubic Feet |
April, 2008 | -190.388 | -409.86 | Billion Cubic Feet |
May, 2008 | -404.655 | -214.267 | Billion Cubic Feet |
June, 2008 | -342.397 | + 62.258 | Billion Cubic Feet |
July, 2008 | -341.639 | + 0.75799999999998 | Billion Cubic Feet |
August, 2008 | -350.013 | -8.374 | Billion Cubic Feet |
September, 2008 | -300.38 | + 49.633 | Billion Cubic Feet |
October, 2008 | -242.449 | + 57.931 | Billion Cubic Feet |
November, 2008 | 57.258 | + 299.707 | Billion Cubic Feet |
December, 2008 | 512.979 | + 455.721 | Billion Cubic Feet |
January, 2009 | 705.058 | + 192.079 | Billion Cubic Feet |
February, 2009 | 371.564 | -333.494 | Billion Cubic Feet |
March, 2009 | 92.716 | -278.848 | Billion Cubic Feet |
April, 2009 | -250.807 | -343.523 | Billion Cubic Feet |
May, 2009 | -466.975 | -216.168 | Billion Cubic Feet |
June, 2009 | -385.634 | + 81.341 | Billion Cubic Feet |
July, 2009 | -338.198 | + 47.436 | Billion Cubic Feet |
August, 2009 | -274.367 | + 63.831 | Billion Cubic Feet |
September, 2009 | -295.161 | -20.794 | Billion Cubic Feet |
October, 2009 | -167.386 | + 127.775 | Billion Cubic Feet |
November, 2009 | -33.465 | + 133.921 | Billion Cubic Feet |
December, 2009 | 693.844 | + 727.309 | Billion Cubic Feet |
January, 2010 | 810.845 | + 117.001 | Billion Cubic Feet |
February, 2010 | 619.47 | -191.375 | Billion Cubic Feet |
March, 2010 | 30.856 | -588.614 | Billion Cubic Feet |
April, 2010 | -359.501 | -390.357 | Billion Cubic Feet |
May, 2010 | -410.288 | -50.787 | Billion Cubic Feet |
June, 2010 | -321.238 | + 89.05 | Billion Cubic Feet |
July, 2010 | -226.665 | + 94.573 | Billion Cubic Feet |
August, 2010 | -185.781 | + 40.884 | Billion Cubic Feet |
September, 2010 | -358.602 | -172.821 | Billion Cubic Feet |
October, 2010 | -355.316 | + 3.286 | Billion Cubic Feet |
November, 2010 | 74.025 | + 429.341 | Billion Cubic Feet |
December, 2010 | 665.184 | + 591.159 | Billion Cubic Feet |
January, 2011 | 798.985 | + 133.801 | Billion Cubic Feet |
February, 2011 | 584.421 | -214.564 | Billion Cubic Feet |
March, 2011 | 146.319 | -438.102 | Billion Cubic Feet |
April, 2011 | -212.194 | -358.513 | Billion Cubic Feet |
May, 2011 | -399.411 | -187.217 | Billion Cubic Feet |
June, 2011 | -340.172 | + 59.239 | Billion Cubic Feet |
July, 2011 | -243.618 | + 96.554 | Billion Cubic Feet |
August, 2011 | -244.191 | -0.57300000000001 | Billion Cubic Feet |
September, 2011 | -398.13 | -153.939 | Billion Cubic Feet |
October, 2011 | -385.221 | + 12.909 | Billion Cubic Feet |
November, 2011 | -37.59 | + 347.631 | Billion Cubic Feet |
December, 2011 | 383.241 | + 420.831 | Billion Cubic Feet |
January, 2012 | 544.477 | + 161.236 | Billion Cubic Feet |
February, 2012 | 459.574 | -84.903 | Billion Cubic Feet |
March, 2012 | -34.987 | -494.561 | Billion Cubic Feet |
April, 2012 | -137.493 | -102.506 | Billion Cubic Feet |
May, 2012 | -284.231 | -146.738 | Billion Cubic Feet |
June, 2012 | -232.226 | + 52.005 | Billion Cubic Feet |
July, 2012 | -134.343 | + 97.883 | Billion Cubic Feet |
August, 2012 | -165.879 | -31.536 | Billion Cubic Feet |
September, 2012 | -290.456 | -124.577 | Billion Cubic Feet |
October, 2012 | -241.849 | + 48.607 | Billion Cubic Feet |
November, 2012 | 125.379 | + 367.228 | Billion Cubic Feet |
December, 2012 | 384.754 | + 259.375 | Billion Cubic Feet |
January, 2013 | 721.307 | + 336.553 | Billion Cubic Feet |
February, 2013 | 603.91 | -117.397 | Billion Cubic Feet |
March, 2013 | 380.023 | -223.887 | Billion Cubic Feet |
April, 2013 | -136.833 | -516.856 | Billion Cubic Feet |
May, 2013 | -418.868 | -282.035 | Billion Cubic Feet |
June, 2013 | -371.868 | + 47 | Billion Cubic Feet |
July, 2013 | -274.716 | + 97.152 | Billion Cubic Feet |
August, 2013 | -272.026 | + 2.69 | Billion Cubic Feet |
September, 2013 | -354.527 | -82.501 | Billion Cubic Feet |
October, 2013 | -255.621 | + 98.906 | Billion Cubic Feet |
November, 2013 | 210.832 | + 466.453 | Billion Cubic Feet |
December, 2013 | 714.235 | + 503.403 | Billion Cubic Feet |
January, 2014 | 970.569 | + 256.334 | Billion Cubic Feet |
February, 2014 | 728.162 | -242.407 | Billion Cubic Feet |
March, 2014 | 353.454 | -374.708 | Billion Cubic Feet |
April, 2014 | -217.441 | -570.895 | Billion Cubic Feet |
May, 2014 | -477.641 | -260.2 | Billion Cubic Feet |
June, 2014 | -462.637 | + 15.004 | Billion Cubic Feet |
July, 2014 | -399.503 | + 63.134 | Billion Cubic Feet |
August, 2014 | -373.501 | + 26.002 | Billion Cubic Feet |
September, 2014 | -421.532 | -48.031 | Billion Cubic Feet |
October, 2014 | -400.299 | + 21.233 | Billion Cubic Feet |
November, 2014 | 161.011 | + 561.31 | Billion Cubic Feet |
December, 2014 | 286.401 | + 125.39 | Billion Cubic Feet |
January, 2015 | 725.144 | + 438.743 | Billion Cubic Feet |
February, 2015 | 741.529 | + 16.385 | Billion Cubic Feet |
March, 2015 | 193.465 | -548.064 | Billion Cubic Feet |
April, 2015 | -321.286 | -514.751 | Billion Cubic Feet |
May, 2015 | -496.427 | -175.141 | Billion Cubic Feet |
June, 2015 | -361.564 | + 134.863 | Billion Cubic Feet |
July, 2015 | -284.14 | + 77.424 | Billion Cubic Feet |
August, 2015 | -309.162 | -25.022 | Billion Cubic Feet |
September, 2015 | -372.021 | -62.859 | Billion Cubic Feet |
October, 2015 | -330.832 | + 41.189 | Billion Cubic Feet |
November, 2015 | 12.306 | + 343.138 | Billion Cubic Feet |
December, 2015 | 264.337 | + 252.031 | Billion Cubic Feet |
January, 2016 | 728.666 | + 464.329 | Billion Cubic Feet |
February, 2016 | 403.091 | -325.575 | Billion Cubic Feet |
March, 2016 | 48.583 | -354.508 | Billion Cubic Feet |
April, 2016 | -164.479 | -213.062 | Billion Cubic Feet |
May, 2016 | -328.551 | -164.072 | Billion Cubic Feet |
June, 2016 | -222.328 | + 106.223 | Billion Cubic Feet |
July, 2016 | -133.067 | + 89.261 | Billion Cubic Feet |
August, 2016 | -123.765 | + 9.302 | Billion Cubic Feet |
September, 2016 | -262.387 | -138.622 | Billion Cubic Feet |
October, 2016 | -308.397 | -46.01 | Billion Cubic Feet |
November, 2016 | 35.292 | + 343.689 | Billion Cubic Feet |
December, 2016 | 675.541 | + 640.249 | Billion Cubic Feet |
January, 2017 | 674.9 | -0.64100000000008 | Billion Cubic Feet |
February, 2017 | 284.935 | -389.965 | Billion Cubic Feet |
March, 2017 | 274.439 | -10.496 | Billion Cubic Feet |
April, 2017 | -230.167 | -504.606 | Billion Cubic Feet |
May, 2017 | -340.73 | -110.563 | Billion Cubic Feet |
June, 2017 | -280.799 | + 59.931 | Billion Cubic Feet |
July, 2017 | -149.85 | + 130.949 | Billion Cubic Feet |
August, 2017 | -195.625 | -45.775 | Billion Cubic Feet |
September, 2017 | -316.535 | -120.91 | Billion Cubic Feet |
October, 2017 | -247.451 | + 69.084 | Billion Cubic Feet |
November, 2017 | 85.98 | + 333.431 | Billion Cubic Feet |
December, 2017 | 694.748 | + 608.768 | Billion Cubic Feet |
January, 2018 | 896.054 | + 201.306 | Billion Cubic Feet |
February, 2018 | 466.917 | -429.137 | Billion Cubic Feet |
March, 2018 | 285.033 | -181.884 | Billion Cubic Feet |
April, 2018 | -31.771 | -316.804 | Billion Cubic Feet |
May, 2018 | -423.06 | -391.289 | Billion Cubic Feet |
June, 2018 | -348.552 | + 74.508 | Billion Cubic Feet |
July, 2018 | -186.378 | + 162.174 | Billion Cubic Feet |
August, 2018 | -235.365 | -48.987 | Billion Cubic Feet |
September, 2018 | -334.064 | -98.699 | Billion Cubic Feet |
October, 2018 | -290.522 | + 43.542 | Billion Cubic Feet |
November, 2018 | 204.881 | + 495.403 | Billion Cubic Feet |
December, 2018 | 320.339 | + 115.458 | Billion Cubic Feet |
January, 2019 | 708.614 | + 388.275 | Billion Cubic Feet |
February, 2019 | 568.145 | -140.469 | Billion Cubic Feet |
March, 2019 | 245.243 | -322.902 | Billion Cubic Feet |
April, 2019 | -382.067 | -627.31 | Billion Cubic Feet |
May, 2019 | -471.898 | -89.831 | Billion Cubic Feet |
June, 2019 | -431.26 | + 40.638 | Billion Cubic Feet |
July, 2019 | -254.094 | + 177.166 | Billion Cubic Feet |
August, 2019 | -285.647 | -31.553 | Billion Cubic Feet |
September, 2019 | -419.15 | -133.503 | Billion Cubic Feet |
October, 2019 | -345.754 | + 73.396 | Billion Cubic Feet |
November, 2019 | 149.678 | + 495.432 | Billion Cubic Feet |
December, 2019 | 418.47 | + 268.792 | Billion Cubic Feet |
January, 2020 | 570.595 | + 152.125 | Billion Cubic Feet |
February, 2020 | 535.469 | -35.126 | Billion Cubic Feet |
March, 2020 | 49.134 | -486.335 | Billion Cubic Feet |
April, 2020 | -306.21 | -355.344 | Billion Cubic Feet |
May, 2020 | -448.006 | -141.796 | Billion Cubic Feet |
June, 2020 | -357.949 | + 90.057 | Billion Cubic Feet |
July, 2020 | -161.165 | + 196.784 | Billion Cubic Feet |
August, 2020 | -227.495 | -66.33 | Billion Cubic Feet |
September, 2020 | -323.42 | -95.925 | Billion Cubic Feet |
October, 2020 | -92.397 | + 231.023 | Billion Cubic Feet |
November, 2020 | -3.807 | + 88.59 | Billion Cubic Feet |
December, 2020 | 587.253 | + 591.06 | Billion Cubic Feet |
January, 2021 | 707.069 | + 119.816 | Billion Cubic Feet |
February, 2021 | 781.295 | + 74.226 | Billion Cubic Feet |
March, 2021 | 59.001 | -722.294 | Billion Cubic Feet |
Year | Year Open - Year Close | Year Min - Year Max | Year Average | Year Change |
---|---|---|---|---|
2021 | 707.069 - 59.001 | 59.001 - 781.295 | 515.79 | -648.07 |
2020 | 570.595 - 587.253 | -448.006 - 587.253 | -14.83 | + 16.66 |
2019 | 708.614 - 418.47 | -471.898 - 708.614 | -41.64 | -290.14 |
2018 | 896.054 - 320.339 | -423.06 - 896.054 | 26.96 | -575.72 |
2017 | 674.9 - 694.748 | -340.73 - 694.748 | 21.15 | + 19.85 |
2016 | 728.666 - 675.541 | -328.551 - 728.666 | 29.02 | -53.13 |
2015 | 725.144 - 264.337 | -496.427 - 741.529 | -44.89 | -460.81 |
2014 | 970.569 - 286.401 | -477.641 - 970.569 | -21.08 | -684.17 |
2013 | 721.307 - 714.235 | -418.868 - 721.307 | 45.49 | -7.07 |
2012 | 544.477 - 384.754 | -290.456 - 544.477 | -0.61 | -159.72 |
2011 | 798.985 - 383.241 | -399.411 - 798.985 | -28.96 | -415.74 |
2010 | 810.845 - 665.184 | -410.288 - 810.845 | -1.42 | -145.66 |
2009 | 705.058 - 693.844 | -466.975 - 705.058 | -29.07 | -11.21 |
2008 | 823.619 - 512.979 | -404.655 - 823.619 | 2.83 | -310.64 |
2007 | 683.254 - 568.959 | -459.54 - 731.856 | 16.01 | -114.3 |
2006 | 263.885 - 343.499 | -367.417 - 485.138 | -35.95 | + 79.61 |
2005 | 712.966 - 552.086 | -382.78 - 712.966 | 4.58 | -160.88 |
2004 | 815.333 - 570.648 | -399.756 - 815.333 | -9.45 | -244.69 |
2003 | 839.563 - 474.477 | -469.296 - 839.563 | -16.08 | -365.09 |
2002 | 546.498 - 560.454 | -341.023 - 560.454 | 38.99 | + 13.96 |
2001 | 495.576 - 351.862 | -479.091 - 495.576 | -96.3 | -143.71 |
2000 | 782.064 - 719.754 | -290.675 - 782.064 | 67.83 | -62.31 |
1999 | 623.676 - 542.681 | -336.56 - 623.676 | 14.5 | -81 |
1998 | 468.371 - 435.953 | -390.552 - 468.371 | -43.84 | -32.42 |
1997 | 684.252 - 533.474 | -365.13 - 684.252 | 2 | -150.78 |
1996 | 699.748 - 374.417 | -375.133 - 699.748 | 0.48 | -325.33 |
1995 | 599.153 - 581.782 | -370.592 - 599.153 | 34.02 | -17.37 |
1994 | 757.714 - 389.075 | -402.68 - 757.714 | -24.01 | -368.64 |
1993 | 555.322 - 438.597 | -426.054 - 555.322 | -3.56 | -116.73 |
1992 | 523.77 - 491.369 | -322.935 - 523.77 | 14.03 | -32.4 |
1991 | 544.659 - 322.991 | -272.052 - 544.659 | 6.7 | -221.67 |
1990 | 249 - 404 | -300 - 404 | -41.58 | + 155 |
1989 | 365 - 753 | -354 - 753 | 26.17 | + 388 |
1988 | 531 - 329 | -262 - 531 | 5.67 | -202 |
1987 | 475 - 300 | -265 - 475 | -0.5 | -175 |
1986 | 366 - 316 | -253 - 366 | -11.67 | -50 |
1985 | 610 - 485 | -271 - 610 | 19.25 | -125 |
1984 | 517 - 212 | -318 - 517 | -15.75 | -305 |
1983 | 425 - 568 | -243 - 568 | 36.92 | + 143 |
1982 | 649 - 203 | -371 - 649 | -25.33 | -446 |
1981 | 521 - 353 | -346 - 521 | -24.42 | -168 |
1980 | 403 - 337 | -289 - 427 | 1.08 | -66 |
1979 | 655 - 242 | -336 - 655 | -20.67 | -413 |
1978 | 641 - 349 | -339 - 641 | -10 | -292 |
1977 | 647 - 372 | -321 - 647 | -46.33 | -275 |
1976 | 472 - 447 | -265 - 472 | 13.83 | -25 |
1975 | -189 - 333 | -189 - 333 | 13.25 | + 522 |