Month | Data | Change | Unit |
---|---|---|---|
January, 1973 | 224.1 | 0 | Billion Cubic Feet |
February, 1973 | 215.505 | -8.595 | Billion Cubic Feet |
March, 1973 | 257.568 | + 42.063 | Billion Cubic Feet |
April, 1973 | 269.228 | + 11.66 | Billion Cubic Feet |
May, 1973 | 319.237 | + 50.009 | Billion Cubic Feet |
June, 1973 | 372.999 | + 53.762 | Billion Cubic Feet |
July, 1973 | 424.563 | + 51.564 | Billion Cubic Feet |
August, 1973 | 420.584 | -3.979 | Billion Cubic Feet |
September, 1973 | 355.186 | -65.398 | Billion Cubic Feet |
October, 1973 | 329.418 | -25.768 | Billion Cubic Feet |
November, 1973 | 253.371 | -76.047 | Billion Cubic Feet |
December, 1973 | 218.411 | -34.96 | Billion Cubic Feet |
January, 1974 | 220.551 | + 2.14 | Billion Cubic Feet |
February, 1974 | 203.255 | -17.296 | Billion Cubic Feet |
March, 1974 | 255.601 | + 52.346 | Billion Cubic Feet |
April, 1974 | 260.121 | + 4.52 | Billion Cubic Feet |
May, 1974 | 307.547 | + 47.426 | Billion Cubic Feet |
June, 1974 | 347.802 | + 40.255 | Billion Cubic Feet |
July, 1974 | 405.425 | + 57.623 | Billion Cubic Feet |
August, 1974 | 382.629 | -22.796 | Billion Cubic Feet |
September, 1974 | 314.007 | -68.622 | Billion Cubic Feet |
October, 1974 | 299.416 | -14.591 | Billion Cubic Feet |
November, 1974 | 239.721 | -59.695 | Billion Cubic Feet |
December, 1974 | 207.353 | -32.368 | Billion Cubic Feet |
January, 1975 | 205.095 | -2.258 | Billion Cubic Feet |
February, 1975 | 188.929 | -16.166 | Billion Cubic Feet |
March, 1975 | 211.184 | + 22.255 | Billion Cubic Feet |
April, 1975 | 214.252 | + 3.068 | Billion Cubic Feet |
May, 1975 | 275.097 | + 60.845 | Billion Cubic Feet |
June, 1975 | 307.901 | + 32.804 | Billion Cubic Feet |
July, 1975 | 362.095 | + 54.194 | Billion Cubic Feet |
August, 1975 | 360.199 | -1.896 | Billion Cubic Feet |
September, 1975 | 315.877 | -44.322 | Billion Cubic Feet |
October, 1975 | 275.335 | -40.542 | Billion Cubic Feet |
November, 1975 | 227.748 | -47.587 | Billion Cubic Feet |
December, 1975 | 213.957 | -13.791 | Billion Cubic Feet |
January, 1976 | 206.528 | -7.429 | Billion Cubic Feet |
February, 1976 | 199.441 | -7.087 | Billion Cubic Feet |
March, 1976 | 222.765 | + 23.324 | Billion Cubic Feet |
April, 1976 | 227.825 | + 5.06 | Billion Cubic Feet |
May, 1976 | 266.631 | + 38.806 | Billion Cubic Feet |
June, 1976 | 313.367 | + 46.736 | Billion Cubic Feet |
July, 1976 | 337.639 | + 24.272 | Billion Cubic Feet |
August, 1976 | 329.731 | -7.908 | Billion Cubic Feet |
September, 1976 | 295.064 | -34.667 | Billion Cubic Feet |
October, 1976 | 249.956 | -45.108 | Billion Cubic Feet |
November, 1976 | 217.272 | -32.684 | Billion Cubic Feet |
December, 1976 | 214.649 | -2.623 | Billion Cubic Feet |
January, 1977 | 205.074 | -9.575 | Billion Cubic Feet |
February, 1977 | 200.413 | -4.661 | Billion Cubic Feet |
March, 1977 | 231.826 | + 31.413 | Billion Cubic Feet |
April, 1977 | 223.081 | -8.745 | Billion Cubic Feet |
May, 1977 | 259.798 | + 36.717 | Billion Cubic Feet |
June, 1977 | 310.669 | + 50.871 | Billion Cubic Feet |
July, 1977 | 346.639 | + 35.97 | Billion Cubic Feet |
August, 1977 | 350.718 | + 4.079 | Billion Cubic Feet |
September, 1977 | 324.549 | -26.169 | Billion Cubic Feet |
October, 1977 | 284.788 | -39.761 | Billion Cubic Feet |
November, 1977 | 234.006 | -50.782 | Billion Cubic Feet |
December, 1977 | 219.639 | -14.367 | Billion Cubic Feet |
January, 1978 | 229.188 | + 9.549 | Billion Cubic Feet |
February, 1978 | 211.17 | -18.018 | Billion Cubic Feet |
March, 1978 | 232.199 | + 21.029 | Billion Cubic Feet |
April, 1978 | 223.188 | -9.011 | Billion Cubic Feet |
May, 1978 | 260.802 | + 37.614 | Billion Cubic Feet |
June, 1978 | 321.423 | + 60.621 | Billion Cubic Feet |
July, 1978 | 362.199 | + 40.776 | Billion Cubic Feet |
August, 1978 | 340.299 | -21.9 | Billion Cubic Feet |
September, 1978 | 296.982 | -43.317 | Billion Cubic Feet |
October, 1978 | 262.88 | -34.102 | Billion Cubic Feet |
November, 1978 | 228.027 | -34.853 | Billion Cubic Feet |
December, 1978 | 220.005 | -8.022 | Billion Cubic Feet |
January, 1979 | 228.479 | + 8.474 | Billion Cubic Feet |
February, 1979 | 226.896 | -1.583 | Billion Cubic Feet |
March, 1979 | 260.351 | + 33.455 | Billion Cubic Feet |
April, 1979 | 260.974 | + 0.62299999999999 | Billion Cubic Feet |
May, 1979 | 277.318 | + 16.344 | Billion Cubic Feet |
June, 1979 | 320.196 | + 42.878 | Billion Cubic Feet |
July, 1979 | 369.318 | + 49.122 | Billion Cubic Feet |
August, 1979 | 375.37 | + 6.052 | Billion Cubic Feet |
September, 1979 | 338.308 | -37.062 | Billion Cubic Feet |
October, 1979 | 323.082 | -15.226 | Billion Cubic Feet |
November, 1979 | 260.982 | -62.1 | Billion Cubic Feet |
December, 1979 | 249.249 | -11.733 | Billion Cubic Feet |
January, 1980 | 276.743 | + 27.494 | Billion Cubic Feet |
February, 1980 | 263.771 | -12.972 | Billion Cubic Feet |
March, 1980 | 283.945 | + 20.174 | Billion Cubic Feet |
April, 1980 | 256.606 | -27.339 | Billion Cubic Feet |
May, 1980 | 281.886 | + 25.28 | Billion Cubic Feet |
June, 1980 | 336.894 | + 55.008 | Billion Cubic Feet |
July, 1980 | 420.339 | + 83.445 | Billion Cubic Feet |
August, 1980 | 405.343 | -14.996 | Billion Cubic Feet |
September, 1980 | 357.286 | -48.057 | Billion Cubic Feet |
October, 1980 | 301.266 | -56.02 | Billion Cubic Feet |
November, 1980 | 255.559 | -45.707 | Billion Cubic Feet |
December, 1980 | 241.957 | -13.602 | Billion Cubic Feet |
January, 1981 | 231.606 | -10.351 | Billion Cubic Feet |
February, 1981 | 224.003 | -7.603 | Billion Cubic Feet |
March, 1981 | 273.431 | + 49.428 | Billion Cubic Feet |
April, 1981 | 289.053 | + 15.622 | Billion Cubic Feet |
May, 1981 | 316.31 | + 27.257 | Billion Cubic Feet |
June, 1981 | 380.775 | + 64.465 | Billion Cubic Feet |
July, 1981 | 410.666 | + 29.891 | Billion Cubic Feet |
August, 1981 | 389.564 | -21.102 | Billion Cubic Feet |
September, 1981 | 324.828 | -64.736 | Billion Cubic Feet |
October, 1981 | 301.67 | -23.158 | Billion Cubic Feet |
November, 1981 | 258.811 | -42.859 | Billion Cubic Feet |
December, 1981 | 239.436 | -19.375 | Billion Cubic Feet |
January, 1982 | 237.675 | -1.761 | Billion Cubic Feet |
February, 1982 | 220.032 | -17.643 | Billion Cubic Feet |
March, 1982 | 246.55 | + 26.518 | Billion Cubic Feet |
April, 1982 | 246.344 | -0.20600000000002 | Billion Cubic Feet |
May, 1982 | 257.848 | + 11.504 | Billion Cubic Feet |
June, 1982 | 295.557 | + 37.709 | Billion Cubic Feet |
July, 1982 | 352.818 | + 57.261 | Billion Cubic Feet |
August, 1982 | 361.351 | + 8.533 | Billion Cubic Feet |
September, 1982 | 293.232 | -68.119 | Billion Cubic Feet |
October, 1982 | 273.003 | -20.229 | Billion Cubic Feet |
November, 1982 | 226.477 | -46.526 | Billion Cubic Feet |
December, 1982 | 214.63 | -11.847 | Billion Cubic Feet |
January, 1983 | 208.341 | -6.289 | Billion Cubic Feet |
February, 1983 | 176.965 | -31.376 | Billion Cubic Feet |
March, 1983 | 208.013 | + 31.048 | Billion Cubic Feet |
April, 1983 | 202.917 | -5.096 | Billion Cubic Feet |
May, 1983 | 218.184 | + 15.267 | Billion Cubic Feet |
June, 1983 | 247.825 | + 29.641 | Billion Cubic Feet |
July, 1983 | 314.357 | + 66.532 | Billion Cubic Feet |
August, 1983 | 352.031 | + 37.674 | Billion Cubic Feet |
September, 1983 | 298.517 | -53.514 | Billion Cubic Feet |
October, 1983 | 251.151 | -47.366 | Billion Cubic Feet |
November, 1983 | 214.275 | -36.876 | Billion Cubic Feet |
December, 1983 | 218.191 | + 3.916 | Billion Cubic Feet |
January, 1984 | 215.027 | -3.164 | Billion Cubic Feet |
February, 1984 | 187.259 | -27.768 | Billion Cubic Feet |
March, 1984 | 206.171 | + 18.912 | Billion Cubic Feet |
April, 1984 | 220.005 | + 13.834 | Billion Cubic Feet |
May, 1984 | 264.522 | + 44.517 | Billion Cubic Feet |
June, 1984 | 297.56 | + 33.038 | Billion Cubic Feet |
July, 1984 | 348.848 | + 51.288 | Billion Cubic Feet |
August, 1984 | 349.878 | + 1.03 | Billion Cubic Feet |
September, 1984 | 290.595 | -59.283 | Billion Cubic Feet |
October, 1984 | 269.629 | -20.966 | Billion Cubic Feet |
November, 1984 | 244.637 | -24.992 | Billion Cubic Feet |
December, 1984 | 217.21 | -27.427 | Billion Cubic Feet |
January, 1985 | 226.276 | + 9.066 | Billion Cubic Feet |
February, 1985 | 202.546 | -23.73 | Billion Cubic Feet |
March, 1985 | 207.286 | + 4.74 | Billion Cubic Feet |
April, 1985 | 233.819 | + 26.533 | Billion Cubic Feet |
May, 1985 | 236.22 | + 2.401 | Billion Cubic Feet |
June, 1985 | 281.939 | + 45.719 | Billion Cubic Feet |
July, 1985 | 336.535 | + 54.596 | Billion Cubic Feet |
August, 1985 | 354.653 | + 18.118 | Billion Cubic Feet |
September, 1985 | 274.868 | -79.785 | Billion Cubic Feet |
October, 1985 | 249.579 | -25.289 | Billion Cubic Feet |
November, 1985 | 229.943 | -19.636 | Billion Cubic Feet |
December, 1985 | 210.417 | -19.526 | Billion Cubic Feet |
January, 1986 | 184.024 | -26.393 | Billion Cubic Feet |
February, 1986 | 157.07 | -26.954 | Billion Cubic Feet |
March, 1986 | 169.697 | + 12.627 | Billion Cubic Feet |
April, 1986 | 198.143 | + 28.446 | Billion Cubic Feet |
May, 1986 | 231.041 | + 32.898 | Billion Cubic Feet |
June, 1986 | 260.163 | + 29.122 | Billion Cubic Feet |
July, 1986 | 300.87 | + 40.707 | Billion Cubic Feet |
August, 1986 | 276.163 | -24.707 | Billion Cubic Feet |
September, 1986 | 246.674 | -29.489 | Billion Cubic Feet |
October, 1986 | 216.738 | -29.936 | Billion Cubic Feet |
November, 1986 | 186.605 | -30.133 | Billion Cubic Feet |
December, 1986 | 175.181 | -11.424 | Billion Cubic Feet |
January, 1987 | 184.722 | + 9.541 | Billion Cubic Feet |
February, 1987 | 158.341 | -26.381 | Billion Cubic Feet |
March, 1987 | 190.893 | + 32.552 | Billion Cubic Feet |
April, 1987 | 206.438 | + 15.545 | Billion Cubic Feet |
May, 1987 | 242.615 | + 36.177 | Billion Cubic Feet |
June, 1987 | 283.554 | + 40.939 | Billion Cubic Feet |
July, 1987 | 319.239 | + 35.685 | Billion Cubic Feet |
August, 1987 | 338.646 | + 19.407 | Billion Cubic Feet |
September, 1987 | 268.08 | -70.566 | Billion Cubic Feet |
October, 1987 | 238.185 | -29.895 | Billion Cubic Feet |
November, 1987 | 216.781 | -21.404 | Billion Cubic Feet |
December, 1987 | 196.556 | -20.225 | Billion Cubic Feet |
January, 1988 | 167.607 | -28.949 | Billion Cubic Feet |
February, 1988 | 169.688 | + 2.081 | Billion Cubic Feet |
March, 1988 | 204.042 | + 34.354 | Billion Cubic Feet |
April, 1988 | 199.394 | -4.648 | Billion Cubic Feet |
May, 1988 | 239.871 | + 40.477 | Billion Cubic Feet |
June, 1988 | 280.49 | + 40.619 | Billion Cubic Feet |
July, 1988 | 328.088 | + 47.598 | Billion Cubic Feet |
August, 1988 | 344.214 | + 16.126 | Billion Cubic Feet |
September, 1988 | 232.665 | -111.549 | Billion Cubic Feet |
October, 1988 | 181.673 | -50.992 | Billion Cubic Feet |
November, 1988 | 150.432 | -31.241 | Billion Cubic Feet |
December, 1988 | 137.449 | -12.983 | Billion Cubic Feet |
January, 1989 | 163.939 | + 26.49 | Billion Cubic Feet |
February, 1989 | 192.058 | + 28.119 | Billion Cubic Feet |
March, 1989 | 235.194 | + 43.136 | Billion Cubic Feet |
April, 1989 | 261.523 | + 26.329 | Billion Cubic Feet |
May, 1989 | 279.159 | + 17.636 | Billion Cubic Feet |
June, 1989 | 289.616 | + 10.457 | Billion Cubic Feet |
July, 1989 | 356.207 | + 66.591 | Billion Cubic Feet |
August, 1989 | 344.942 | -11.265 | Billion Cubic Feet |
September, 1989 | 298.088 | -46.854 | Billion Cubic Feet |
October, 1989 | 283.08 | -15.008 | Billion Cubic Feet |
November, 1989 | 210.492 | -72.588 | Billion Cubic Feet |
December, 1989 | 190.885 | -19.607 | Billion Cubic Feet |
January, 1990 | 169.545 | -21.34 | Billion Cubic Feet |
February, 1990 | 153.181 | -16.364 | Billion Cubic Feet |
March, 1990 | 214.167 | + 60.986 | Billion Cubic Feet |
April, 1990 | 231.641 | + 17.474 | Billion Cubic Feet |
May, 1990 | 283.776 | + 52.135 | Billion Cubic Feet |
June, 1990 | 345.768 | + 61.992 | Billion Cubic Feet |
July, 1990 | 379.584 | + 33.816 | Billion Cubic Feet |
August, 1990 | 399.232 | + 19.648 | Billion Cubic Feet |
September, 1990 | 350.217 | -49.015 | Billion Cubic Feet |
October, 1990 | 298.927 | -51.29 | Billion Cubic Feet |
November, 1990 | 214.996 | -83.931 | Billion Cubic Feet |
December, 1990 | 203.585 | -11.411 | Billion Cubic Feet |
January, 1991 | 205.848 | + 2.263 | Billion Cubic Feet |
February, 1991 | 173.899 | -31.949 | Billion Cubic Feet |
March, 1991 | 229.342 | + 55.443 | Billion Cubic Feet |
April, 1991 | 256.402 | + 27.06 | Billion Cubic Feet |
May, 1991 | 296.582 | + 40.18 | Billion Cubic Feet |
June, 1991 | 309.302 | + 12.72 | Billion Cubic Feet |
July, 1991 | 392.179 | + 82.877 | Billion Cubic Feet |
August, 1991 | 389.517 | -2.662 | Billion Cubic Feet |
September, 1991 | 312.479 | -77.038 | Billion Cubic Feet |
October, 1991 | 313.134 | + 0.65500000000003 | Billion Cubic Feet |
November, 1991 | 235.205 | -77.929 | Billion Cubic Feet |
December, 1991 | 202.035 | -33.17 | Billion Cubic Feet |
January, 1992 | 210.847 | + 8.812 | Billion Cubic Feet |
February, 1992 | 212.303 | + 1.456 | Billion Cubic Feet |
March, 1992 | 258.884 | + 46.581 | Billion Cubic Feet |
April, 1992 | 285.508 | + 26.624 | Billion Cubic Feet |
May, 1992 | 294.614 | + 9.106 | Billion Cubic Feet |
June, 1992 | 331.473 | + 36.859 | Billion Cubic Feet |
July, 1992 | 415.857 | + 84.384 | Billion Cubic Feet |
August, 1992 | 377.181 | -38.676 | Billion Cubic Feet |
September, 1992 | 341.183 | -35.998 | Billion Cubic Feet |
October, 1992 | 265.098 | -76.085 | Billion Cubic Feet |
November, 1992 | 235.994 | -29.104 | Billion Cubic Feet |
December, 1992 | 218.93 | -17.064 | Billion Cubic Feet |
January, 1993 | 212.817 | -6.113 | Billion Cubic Feet |
February, 1993 | 209.649 | -3.168 | Billion Cubic Feet |
March, 1993 | 250.929 | + 41.28 | Billion Cubic Feet |
April, 1993 | 225.064 | -25.865 | Billion Cubic Feet |
May, 1993 | 216.009 | -9.055 | Billion Cubic Feet |
June, 1993 | 329.922 | + 113.913 | Billion Cubic Feet |
July, 1993 | 432.564 | + 102.642 | Billion Cubic Feet |
August, 1993 | 462.247 | + 29.683 | Billion Cubic Feet |
September, 1993 | 334.456 | -127.791 | Billion Cubic Feet |
October, 1993 | 303.667 | -30.789 | Billion Cubic Feet |
November, 1993 | 269.733 | -33.934 | Billion Cubic Feet |
December, 1993 | 225.924 | -43.809 | Billion Cubic Feet |
January, 1994 | 222.074 | -3.85 | Billion Cubic Feet |
February, 1994 | 194.864 | -27.21 | Billion Cubic Feet |
March, 1994 | 242.9 | + 48.036 | Billion Cubic Feet |
April, 1994 | 266.428 | + 23.528 | Billion Cubic Feet |
May, 1994 | 282.221 | + 15.793 | Billion Cubic Feet |
June, 1994 | 416.139 | + 133.918 | Billion Cubic Feet |
July, 1994 | 473.514 | + 57.375 | Billion Cubic Feet |
August, 1994 | 499.211 | + 25.697 | Billion Cubic Feet |
September, 1994 | 386.65 | -112.561 | Billion Cubic Feet |
October, 1994 | 344.846 | -41.804 | Billion Cubic Feet |
November, 1994 | 302.106 | -42.74 | Billion Cubic Feet |
December, 1994 | 271.591 | -30.515 | Billion Cubic Feet |
January, 1995 | 263.308 | -8.283 | Billion Cubic Feet |
February, 1995 | 223.024 | -40.284 | Billion Cubic Feet |
March, 1995 | 324.86 | + 101.836 | Billion Cubic Feet |
April, 1995 | 303.36 | -21.5 | Billion Cubic Feet |
May, 1995 | 341.44 | + 38.08 | Billion Cubic Feet |
June, 1995 | 393.641 | + 52.201 | Billion Cubic Feet |
July, 1995 | 539.101 | + 145.46 | Billion Cubic Feet |
August, 1995 | 620.297 | + 81.196 | Billion Cubic Feet |
September, 1995 | 418.941 | -201.356 | Billion Cubic Feet |
October, 1995 | 317.662 | -101.279 | Billion Cubic Feet |
November, 1995 | 262.324 | -55.338 | Billion Cubic Feet |
December, 1995 | 228.568 | -33.756 | Billion Cubic Feet |
January, 1996 | 234.658 | + 6.09 | Billion Cubic Feet |
February, 1996 | 190.241 | -44.417 | Billion Cubic Feet |
March, 1996 | 217.475 | + 27.234 | Billion Cubic Feet |
April, 1996 | 236.2 | + 18.725 | Billion Cubic Feet |
May, 1996 | 368.111 | + 131.911 | Billion Cubic Feet |
June, 1996 | 417.2 | + 49.089 | Billion Cubic Feet |
July, 1996 | 498.277 | + 81.077 | Billion Cubic Feet |
August, 1996 | 511.463 | + 13.186 | Billion Cubic Feet |
September, 1996 | 396.761 | -114.702 | Billion Cubic Feet |
October, 1996 | 315.43 | -81.331 | Billion Cubic Feet |
November, 1996 | 236.639 | -78.791 | Billion Cubic Feet |
December, 1996 | 184.447 | -52.192 | Billion Cubic Feet |
January, 1997 | 190.386 | + 5.939 | Billion Cubic Feet |
February, 1997 | 196.068 | + 5.682 | Billion Cubic Feet |
March, 1997 | 259.611 | + 63.543 | Billion Cubic Feet |
April, 1997 | 264.851 | + 5.24 | Billion Cubic Feet |
May, 1997 | 317.066 | + 52.215 | Billion Cubic Feet |
June, 1997 | 407.273 | + 90.207 | Billion Cubic Feet |
July, 1997 | 587.836 | + 180.563 | Billion Cubic Feet |
August, 1997 | 535.533 | -52.303 | Billion Cubic Feet |
September, 1997 | 455.689 | -79.844 | Billion Cubic Feet |
October, 1997 | 334.657 | -121.032 | Billion Cubic Feet |
November, 1997 | 246.101 | -88.556 | Billion Cubic Feet |
December, 1997 | 269.732 | + 23.631 | Billion Cubic Feet |
January, 1998 | 241.027 | -28.705 | Billion Cubic Feet |
February, 1998 | 188.369 | -52.658 | Billion Cubic Feet |
March, 1998 | 273.572 | + 85.203 | Billion Cubic Feet |
April, 1998 | 267.858 | -5.714 | Billion Cubic Feet |
May, 1998 | 408.922 | + 141.064 | Billion Cubic Feet |
June, 1998 | 533.189 | + 124.267 | Billion Cubic Feet |
July, 1998 | 632.82 | + 99.631 | Billion Cubic Feet |
August, 1998 | 643.532 | + 10.712 | Billion Cubic Feet |
September, 1998 | 536.664 | -106.868 | Billion Cubic Feet |
October, 1998 | 346.68 | -189.984 | Billion Cubic Feet |
November, 1998 | 250.107 | -96.573 | Billion Cubic Feet |
December, 1998 | 265.543 | + 15.436 | Billion Cubic Feet |
January, 1999 | 274.917 | + 9.374 | Billion Cubic Feet |
February, 1999 | 233.826 | -41.091 | Billion Cubic Feet |
March, 1999 | 318.018 | + 84.192 | Billion Cubic Feet |
April, 1999 | 394.206 | + 76.188 | Billion Cubic Feet |
May, 1999 | 420.603 | + 26.397 | Billion Cubic Feet |
June, 1999 | 499.529 | + 78.926 | Billion Cubic Feet |
July, 1999 | 673.685 | + 174.156 | Billion Cubic Feet |
August, 1999 | 669.843 | -3.842 | Billion Cubic Feet |
September, 1999 | 433.107 | -236.736 | Billion Cubic Feet |
October, 1999 | 369.276 | -63.831 | Billion Cubic Feet |
November, 1999 | 263.607 | -105.669 | Billion Cubic Feet |
December, 1999 | 268.915 | + 5.308 | Billion Cubic Feet |
January, 2000 | 325.606 | + 56.691 | Billion Cubic Feet |
February, 2000 | 285.444 | -40.162 | Billion Cubic Feet |
March, 2000 | 355.081 | + 69.637 | Billion Cubic Feet |
April, 2000 | 367.15 | + 12.069 | Billion Cubic Feet |
May, 2000 | 528.293 | + 161.143 | Billion Cubic Feet |
June, 2000 | 525.609 | -2.684 | Billion Cubic Feet |
July, 2000 | 638.591 | + 112.982 | Billion Cubic Feet |
August, 2000 | 702.044 | + 63.453 | Billion Cubic Feet |
September, 2000 | 485.09 | -216.954 | Billion Cubic Feet |
October, 2000 | 365.247 | -119.843 | Billion Cubic Feet |
November, 2000 | 308.501 | -56.746 | Billion Cubic Feet |
December, 2000 | 319.668 | + 11.167 | Billion Cubic Feet |
January, 2001 | 340.292 | + 20.624 | Billion Cubic Feet |
February, 2001 | 312.843 | -27.449 | Billion Cubic Feet |
March, 2001 | 362.843 | + 50 | Billion Cubic Feet |
April, 2001 | 384.494 | + 21.651 | Billion Cubic Feet |
May, 2001 | 433.923 | + 49.429 | Billion Cubic Feet |
June, 2001 | 492.819 | + 58.896 | Billion Cubic Feet |
July, 2001 | 634.425 | + 141.606 | Billion Cubic Feet |
August, 2001 | 686.753 | + 52.328 | Billion Cubic Feet |
September, 2001 | 510.262 | -176.491 | Billion Cubic Feet |
October, 2001 | 466.08 | -44.182 | Billion Cubic Feet |
November, 2001 | 350.549 | -115.531 | Billion Cubic Feet |
December, 2001 | 367.018 | + 16.469 | Billion Cubic Feet |
January, 2002 | 381.434 | + 14.416 | Billion Cubic Feet |
February, 2002 | 344.243 | -37.191 | Billion Cubic Feet |
March, 2002 | 406.516 | + 62.273 | Billion Cubic Feet |
April, 2002 | 404.384 | -2.132 | Billion Cubic Feet |
May, 2002 | 410.108 | + 5.724 | Billion Cubic Feet |
June, 2002 | 550.941 | + 140.833 | Billion Cubic Feet |
July, 2002 | 733.887 | + 182.946 | Billion Cubic Feet |
August, 2002 | 717.592 | -16.295 | Billion Cubic Feet |
September, 2002 | 568.699 | -148.893 | Billion Cubic Feet |
October, 2002 | 442.357 | -126.342 | Billion Cubic Feet |
November, 2002 | 351.612 | -90.745 | Billion Cubic Feet |
December, 2002 | 360.123 | + 8.511 | Billion Cubic Feet |
January, 2003 | 382.443 | + 22.32 | Billion Cubic Feet |
February, 2003 | 334.698 | -47.745 | Billion Cubic Feet |
March, 2003 | 361.243 | + 26.545 | Billion Cubic Feet |
April, 2003 | 352.164 | -9.079 | Billion Cubic Feet |
May, 2003 | 394.021 | + 41.857 | Billion Cubic Feet |
June, 2003 | 435.598 | + 41.577 | Billion Cubic Feet |
July, 2003 | 630.27 | + 194.672 | Billion Cubic Feet |
August, 2003 | 683.513 | + 53.243 | Billion Cubic Feet |
September, 2003 | 468.51 | -215.003 | Billion Cubic Feet |
October, 2003 | 408.817 | -59.693 | Billion Cubic Feet |
November, 2003 | 348.129 | -60.688 | Billion Cubic Feet |
December, 2003 | 335.81 | -12.319 | Billion Cubic Feet |
January, 2004 | 361.401 | + 25.591 | Billion Cubic Feet |
February, 2004 | 373.466 | + 12.065 | Billion Cubic Feet |
March, 2004 | 375.203 | + 1.737 | Billion Cubic Feet |
April, 2004 | 389.328 | + 14.125 | Billion Cubic Feet |
May, 2004 | 485.114 | + 95.786 | Billion Cubic Feet |
June, 2004 | 508.14 | + 23.026 | Billion Cubic Feet |
July, 2004 | 626.401 | + 118.261 | Billion Cubic Feet |
August, 2004 | 612.571 | -13.83 | Billion Cubic Feet |
September, 2004 | 529.44 | -83.131 | Billion Cubic Feet |
October, 2004 | 439.841 | -89.599 | Billion Cubic Feet |
November, 2004 | 376.169 | -63.672 | Billion Cubic Feet |
December, 2004 | 386.69 | + 10.521 | Billion Cubic Feet |
January, 2005 | 384.71 | -1.98 | Billion Cubic Feet |
February, 2005 | 330.547 | -54.163 | Billion Cubic Feet |
March, 2005 | 386.309 | + 55.762 | Billion Cubic Feet |
April, 2005 | 390.358 | + 4.049 | Billion Cubic Feet |
May, 2005 | 422.978 | + 32.62 | Billion Cubic Feet |
June, 2005 | 594.137 | + 171.159 | Billion Cubic Feet |
July, 2005 | 777 | + 182.863 | Billion Cubic Feet |
August, 2005 | 791.293 | + 14.293 | Billion Cubic Feet |
September, 2005 | 577.543 | -213.75 | Billion Cubic Feet |
October, 2005 | 434.692 | -142.851 | Billion Cubic Feet |
November, 2005 | 373.351 | -61.341 | Billion Cubic Feet |
December, 2005 | 406.226 | + 32.875 | Billion Cubic Feet |
January, 2006 | 318.364 | -87.862 | Billion Cubic Feet |
February, 2006 | 346.138 | + 27.774 | Billion Cubic Feet |
March, 2006 | 406.97 | + 60.832 | Billion Cubic Feet |
April, 2006 | 426.027 | + 19.057 | Billion Cubic Feet |
May, 2006 | 504.409 | + 78.382 | Billion Cubic Feet |
June, 2006 | 629.66 | + 125.251 | Billion Cubic Feet |
July, 2006 | 863.531 | + 233.871 | Billion Cubic Feet |
August, 2006 | 840.197 | -23.334 | Billion Cubic Feet |
September, 2006 | 548.321 | -291.876 | Billion Cubic Feet |
October, 2006 | 527.532 | -20.789 | Billion Cubic Feet |
November, 2006 | 396.586 | -130.946 | Billion Cubic Feet |
December, 2006 | 414.365 | + 17.779 | Billion Cubic Feet |
January, 2007 | 448.149 | + 33.784 | Billion Cubic Feet |
February, 2007 | 425.485 | -22.664 | Billion Cubic Feet |
March, 2007 | 416.015 | -9.47 | Billion Cubic Feet |
April, 2007 | 453.144 | + 37.129 | Billion Cubic Feet |
May, 2007 | 507.089 | + 53.945 | Billion Cubic Feet |
June, 2007 | 628.467 | + 121.378 | Billion Cubic Feet |
July, 2007 | 760.521 | + 132.054 | Billion Cubic Feet |
August, 2007 | 969.433 | + 208.912 | Billion Cubic Feet |
September, 2007 | 683.327 | -286.106 | Billion Cubic Feet |
October, 2007 | 604.092 | -79.235 | Billion Cubic Feet |
November, 2007 | 448.18 | -155.912 | Billion Cubic Feet |
December, 2007 | 497.505 | + 49.325 | Billion Cubic Feet |
January, 2008 | 531.46 | + 33.955 | Billion Cubic Feet |
February, 2008 | 438.868 | -92.592 | Billion Cubic Feet |
March, 2008 | 460.763 | + 21.895 | Billion Cubic Feet |
April, 2008 | 469.607 | + 8.8440000000001 | Billion Cubic Feet |
May, 2008 | 475.467 | + 5.86 | Billion Cubic Feet |
June, 2008 | 665.436 | + 189.969 | Billion Cubic Feet |
July, 2008 | 782.039 | + 116.603 | Billion Cubic Feet |
August, 2008 | 762.946 | -19.093 | Billion Cubic Feet |
September, 2008 | 602.565 | -160.381 | Billion Cubic Feet |
October, 2008 | 545.244 | -57.321 | Billion Cubic Feet |
November, 2008 | 457.591 | -87.653 | Billion Cubic Feet |
December, 2008 | 476.394 | + 18.803 | Billion Cubic Feet |
January, 2009 | 487.426 | + 11.032 | Billion Cubic Feet |
February, 2009 | 453.472 | -33.954 | Billion Cubic Feet |
March, 2009 | 499.678 | + 46.206 | Billion Cubic Feet |
April, 2009 | 451.395 | -48.283 | Billion Cubic Feet |
May, 2009 | 515.476 | + 64.081 | Billion Cubic Feet |
June, 2009 | 642.797 | + 127.321 | Billion Cubic Feet |
July, 2009 | 778.017 | + 135.22 | Billion Cubic Feet |
August, 2009 | 840.317 | + 62.3 | Billion Cubic Feet |
September, 2009 | 690.011 | -150.306 | Billion Cubic Feet |
October, 2009 | 537.013 | -152.998 | Billion Cubic Feet |
November, 2009 | 457.085 | -79.928 | Billion Cubic Feet |
December, 2009 | 519.846 | + 62.761 | Billion Cubic Feet |
January, 2010 | 545.811 | + 25.965 | Billion Cubic Feet |
February, 2010 | 479.615 | -66.196 | Billion Cubic Feet |
March, 2010 | 456.864 | -22.751 | Billion Cubic Feet |
April, 2010 | 471.481 | + 14.617 | Billion Cubic Feet |
May, 2010 | 559.665 | + 88.184 | Billion Cubic Feet |
June, 2010 | 705.665 | + 146 | Billion Cubic Feet |
July, 2010 | 897.182 | + 191.517 | Billion Cubic Feet |
August, 2010 | 943.002 | + 45.82 | Billion Cubic Feet |
September, 2010 | 696.723 | -246.279 | Billion Cubic Feet |
October, 2010 | 570.363 | -126.36 | Billion Cubic Feet |
November, 2010 | 496.539 | -73.824 | Billion Cubic Feet |
December, 2010 | 564.274 | + 67.735 | Billion Cubic Feet |
January, 2011 | 539.792 | -24.482 | Billion Cubic Feet |
February, 2011 | 483.686 | -56.106 | Billion Cubic Feet |
March, 2011 | 481.926 | -1.76 | Billion Cubic Feet |
April, 2011 | 521.453 | + 39.527 | Billion Cubic Feet |
May, 2011 | 571.998 | + 50.545 | Billion Cubic Feet |
June, 2011 | 699.414 | + 127.416 | Billion Cubic Feet |
July, 2011 | 938.575 | + 239.161 | Billion Cubic Feet |
August, 2011 | 921.449 | -17.126 | Billion Cubic Feet |
September, 2011 | 684.198 | -237.251 | Billion Cubic Feet |
October, 2011 | 574.932 | -109.266 | Billion Cubic Feet |
November, 2011 | 542.546 | -32.386 | Billion Cubic Feet |
December, 2011 | 613.894 | + 71.348 | Billion Cubic Feet |
January, 2012 | 648.823 | + 34.929 | Billion Cubic Feet |
February, 2012 | 644.53 | -4.293 | Billion Cubic Feet |
March, 2012 | 674.099 | + 29.569 | Billion Cubic Feet |
April, 2012 | 714.338 | + 40.239 | Billion Cubic Feet |
May, 2012 | 812.467 | + 98.129 | Billion Cubic Feet |
June, 2012 | 879.881 | + 67.414 | Billion Cubic Feet |
July, 2012 | 1081.688 | + 201.807 | Billion Cubic Feet |
August, 2012 | 1003.938 | -77.75 | Billion Cubic Feet |
September, 2012 | 802.588 | -201.35 | Billion Cubic Feet |
October, 2012 | 669.195 | -133.393 | Billion Cubic Feet |
November, 2012 | 579.745 | -89.45 | Billion Cubic Feet |
December, 2012 | 599.502 | + 19.757 | Billion Cubic Feet |
January, 2013 | 631.685 | + 32.183 | Billion Cubic Feet |
February, 2013 | 568.388 | -63.297 | Billion Cubic Feet |
March, 2013 | 603.91 | + 35.522 | Billion Cubic Feet |
April, 2013 | 564.827 | -39.083 | Billion Cubic Feet |
May, 2013 | 614.808 | + 49.981 | Billion Cubic Feet |
June, 2013 | 737.15 | + 122.342 | Billion Cubic Feet |
July, 2013 | 911.124 | + 173.974 | Billion Cubic Feet |
August, 2013 | 900.53 | -10.594 | Billion Cubic Feet |
September, 2013 | 751.482 | -149.048 | Billion Cubic Feet |
October, 2013 | 637.038 | -114.444 | Billion Cubic Feet |
November, 2013 | 601.019 | -36.019 | Billion Cubic Feet |
December, 2013 | 668.792 | + 67.773 | Billion Cubic Feet |
January, 2014 | 662.881 | -5.9110000000001 | Billion Cubic Feet |
February, 2014 | 551.109 | -111.772 | Billion Cubic Feet |
March, 2014 | 560.808 | + 9.699 | Billion Cubic Feet |
April, 2014 | 548.899 | -11.909 | Billion Cubic Feet |
May, 2014 | 646.929 | + 98.03 | Billion Cubic Feet |
June, 2014 | 720.75 | + 73.821 | Billion Cubic Feet |
July, 2014 | 843.303 | + 122.553 | Billion Cubic Feet |
August, 2014 | 897.806 | + 54.503 | Billion Cubic Feet |
September, 2014 | 770.947 | -126.859 | Billion Cubic Feet |
October, 2014 | 703.39 | -67.557 | Billion Cubic Feet |
November, 2014 | 600.392 | -102.998 | Billion Cubic Feet |
December, 2014 | 638.769 | + 38.377 | Billion Cubic Feet |
January, 2015 | 711.324 | + 72.555 | Billion Cubic Feet |
February, 2015 | 648.343 | -62.981 | Billion Cubic Feet |
March, 2015 | 708.731 | + 60.388 | Billion Cubic Feet |
April, 2015 | 664.276 | -44.455 | Billion Cubic Feet |
May, 2015 | 734.486 | + 70.21 | Billion Cubic Feet |
June, 2015 | 886.475 | + 151.989 | Billion Cubic Feet |
July, 2015 | 1045.542 | + 159.067 | Billion Cubic Feet |
August, 2015 | 1026.59 | -18.952 | Billion Cubic Feet |
September, 2015 | 895.044 | -131.546 | Billion Cubic Feet |
October, 2015 | 791.541 | -103.503 | Billion Cubic Feet |
November, 2015 | 732.413 | -59.128 | Billion Cubic Feet |
December, 2015 | 768.606 | + 36.193 | Billion Cubic Feet |
January, 2016 | 773.954 | + 5.348 | Billion Cubic Feet |
February, 2016 | 689.8 | -84.154 | Billion Cubic Feet |
March, 2016 | 744.765 | + 54.965 | Billion Cubic Feet |
April, 2016 | 718.893 | -25.872 | Billion Cubic Feet |
May, 2016 | 804.431 | + 85.538 | Billion Cubic Feet |
June, 2016 | 970.308 | + 165.877 | Billion Cubic Feet |
July, 2016 | 1139.968 | + 169.66 | Billion Cubic Feet |
August, 2016 | 1151.236 | + 11.268 | Billion Cubic Feet |
September, 2016 | 915.286 | -235.95 | Billion Cubic Feet |
October, 2016 | 743.796 | -171.49 | Billion Cubic Feet |
November, 2016 | 662.046 | -81.75 | Billion Cubic Feet |
December, 2016 | 670.787 | + 8.741 | Billion Cubic Feet |
January, 2017 | 660.294 | -10.493 | Billion Cubic Feet |
February, 2017 | 569.282 | -91.012 | Billion Cubic Feet |
March, 2017 | 672.728 | + 103.446 | Billion Cubic Feet |
April, 2017 | 627.3 | -45.428 | Billion Cubic Feet |
May, 2017 | 699.858 | + 72.558 | Billion Cubic Feet |
June, 2017 | 850.505 | + 150.647 | Billion Cubic Feet |
July, 2017 | 1081.601 | + 231.096 | Billion Cubic Feet |
August, 2017 | 1021.967 | -59.634 | Billion Cubic Feet |
September, 2017 | 858.544 | -163.423 | Billion Cubic Feet |
October, 2017 | 772.23 | -86.314 | Billion Cubic Feet |
November, 2017 | 666.302 | -105.928 | Billion Cubic Feet |
December, 2017 | 784.955 | + 118.653 | Billion Cubic Feet |
January, 2018 | 786.105 | + 1.15 | Billion Cubic Feet |
February, 2018 | 690.114 | -95.991 | Billion Cubic Feet |
March, 2018 | 756.622 | + 66.508 | Billion Cubic Feet |
April, 2018 | 703.99 | -52.632 | Billion Cubic Feet |
May, 2018 | 848.149 | + 144.159 | Billion Cubic Feet |
June, 2018 | 952.643 | + 104.494 | Billion Cubic Feet |
July, 2018 | 1223.668 | + 271.025 | Billion Cubic Feet |
August, 2018 | 1185.673 | -37.995 | Billion Cubic Feet |
September, 2018 | 1029.914 | -155.759 | Billion Cubic Feet |
October, 2018 | 887.943 | -141.971 | Billion Cubic Feet |
November, 2018 | 763.066 | -124.877 | Billion Cubic Feet |
December, 2018 | 762.336 | -0.73000000000002 | Billion Cubic Feet |
January, 2019 | 848.519 | + 86.183 | Billion Cubic Feet |
February, 2019 | 779.31 | -69.209 | Billion Cubic Feet |
March, 2019 | 813.526 | + 34.216 | Billion Cubic Feet |
April, 2019 | 739.68 | -73.846 | Billion Cubic Feet |
May, 2019 | 836.087 | + 96.407 | Billion Cubic Feet |
June, 2019 | 990.562 | + 154.475 | Billion Cubic Feet |
July, 2019 | 1254.667 | + 264.105 | Billion Cubic Feet |
August, 2019 | 1277.904 | + 23.237 | Billion Cubic Feet |
September, 2019 | 1080.775 | -197.129 | Billion Cubic Feet |
October, 2019 | 936.668 | -144.107 | Billion Cubic Feet |
November, 2019 | 818.868 | -117.8 | Billion Cubic Feet |
December, 2019 | 911.529 | + 92.661 | Billion Cubic Feet |
January, 2020 | 931.322 | + 19.793 | Billion Cubic Feet |
February, 2020 | 878.768 | -52.554 | Billion Cubic Feet |
March, 2020 | 878.908 | + 0.13999999999999 | Billion Cubic Feet |
April, 2020 | 763.925 | -114.983 | Billion Cubic Feet |
May, 2020 | 833.954 | + 70.029 | Billion Cubic Feet |
June, 2020 | 1045.572 | + 211.618 | Billion Cubic Feet |
July, 2020 | 1372.103 | + 326.531 | Billion Cubic Feet |
August, 2020 | 1279.767 | -92.336 | Billion Cubic Feet |
September, 2020 | 1037.749 | -242.018 | Billion Cubic Feet |
October, 2020 | 954.009 | -83.74 | Billion Cubic Feet |
November, 2020 | 767.235 | -186.774 | Billion Cubic Feet |
December, 2020 | 872.676 | + 105.441 | Billion Cubic Feet |
January, 2021 | 866.4 | -6.2760000000001 | Billion Cubic Feet |
February, 2021 | 787.939 | -78.461 | Billion Cubic Feet |
March, 2021 | 744.195 | -43.744 | Billion Cubic Feet |
Year | Year Open - Year Close | Year Min - Year Max | Year Average | Year Change |
---|---|---|---|---|
2021 | 866.4 - 744.195 | 744.195 - 866.4 | 799.51 | -122.21 |
2020 | 931.322 - 872.676 | 763.925 - 1372.103 | 968 | -58.65 |
2019 | 848.519 - 911.529 | 739.68 - 1277.904 | 940.67 | + 63.01 |
2018 | 786.105 - 762.336 | 690.114 - 1223.668 | 882.52 | -23.77 |
2017 | 660.294 - 784.955 | 569.282 - 1081.601 | 772.13 | + 124.66 |
2016 | 773.954 - 670.787 | 662.046 - 1151.236 | 832.11 | -103.17 |
2015 | 711.324 - 768.606 | 648.343 - 1045.542 | 801.11 | + 57.28 |
2014 | 662.881 - 638.769 | 548.899 - 897.806 | 678.83 | -24.11 |
2013 | 631.685 - 668.792 | 564.827 - 911.124 | 682.56 | + 37.11 |
2012 | 648.823 - 599.502 | 579.745 - 1081.688 | 759.23 | -49.32 |
2011 | 539.792 - 613.894 | 481.926 - 938.575 | 631.16 | + 74.1 |
2010 | 545.811 - 564.274 | 456.864 - 943.002 | 615.6 | + 18.46 |
2009 | 487.426 - 519.846 | 451.395 - 840.317 | 572.71 | + 32.42 |
2008 | 531.46 - 476.394 | 438.868 - 782.039 | 555.7 | -55.07 |
2007 | 448.149 - 497.505 | 416.015 - 969.433 | 570.12 | + 49.36 |
2006 | 318.364 - 414.365 | 318.364 - 863.531 | 518.51 | + 96 |
2005 | 384.71 - 406.226 | 330.547 - 791.293 | 489.1 | + 21.52 |
2004 | 361.401 - 386.69 | 361.401 - 626.401 | 455.31 | + 25.29 |
2003 | 382.443 - 335.81 | 334.698 - 683.513 | 427.93 | -46.63 |
2002 | 381.434 - 360.123 | 344.243 - 733.887 | 472.66 | -21.31 |
2001 | 340.292 - 367.018 | 312.843 - 686.753 | 445.19 | + 26.73 |
2000 | 325.606 - 319.668 | 285.444 - 702.044 | 433.86 | -5.94 |
1999 | 274.917 - 268.915 | 233.826 - 673.685 | 401.63 | -6 |
1998 | 241.027 - 265.543 | 188.369 - 643.532 | 382.36 | + 24.52 |
1997 | 190.386 - 269.732 | 190.386 - 587.836 | 338.73 | + 79.35 |
1996 | 234.658 - 184.447 | 184.447 - 511.463 | 317.24 | -50.21 |
1995 | 263.308 - 228.568 | 223.024 - 620.297 | 353.04 | -34.74 |
1994 | 222.074 - 271.591 | 194.864 - 499.211 | 325.21 | + 49.52 |
1993 | 212.817 - 225.924 | 209.649 - 462.247 | 289.42 | + 13.11 |
1992 | 210.847 - 218.93 | 210.847 - 415.857 | 287.32 | + 8.08 |
1991 | 205.848 - 202.035 | 173.899 - 392.179 | 276.33 | -3.81 |
1990 | 169.545 - 203.585 | 153.181 - 399.232 | 270.38 | + 34.04 |
1989 | 163.939 - 190.885 | 163.939 - 356.207 | 258.77 | + 26.95 |
1988 | 167.607 - 137.449 | 137.449 - 344.214 | 219.63 | -30.16 |
1987 | 184.722 - 196.556 | 158.341 - 338.646 | 237 | + 11.83 |
1986 | 184.024 - 175.181 | 157.07 - 300.87 | 216.86 | -8.84 |
1985 | 226.276 - 210.417 | 202.546 - 354.653 | 253.67 | -15.86 |
1984 | 215.027 - 217.21 | 187.259 - 349.878 | 259.28 | + 2.18 |
1983 | 208.341 - 218.191 | 176.965 - 352.031 | 242.56 | + 9.85 |
1982 | 237.675 - 214.63 | 214.63 - 361.351 | 268.79 | -23.05 |
1981 | 231.606 - 239.436 | 224.003 - 410.666 | 303.35 | + 7.83 |
1980 | 276.743 - 241.957 | 241.957 - 420.339 | 306.8 | -34.79 |
1979 | 228.479 - 249.249 | 226.896 - 375.37 | 290.88 | + 20.77 |
1978 | 229.188 - 220.005 | 211.17 - 362.199 | 265.7 | -9.18 |
1977 | 205.074 - 219.639 | 200.413 - 350.718 | 265.93 | + 14.57 |
1976 | 206.528 - 214.649 | 199.441 - 337.639 | 256.74 | + 8.12 |
1975 | 205.095 - 213.957 | 188.929 - 362.095 | 263.14 | + 8.86 |
1974 | 220.551 - 207.353 | 203.255 - 405.425 | 286.95 | -13.2 |
1973 | 224.1 - 218.411 | 215.505 - 424.563 | 305.01 | -5.69 |