Month | Data | Change | Unit |
---|---|---|---|
December, 1973 | 2034 | 0 | Billion Cubic Feet |
October, 1974 | 2403 | + 369 | Billion Cubic Feet |
December, 1974 | 2050 | -353 | Billion Cubic Feet |
September, 1975 | 2468 | + 418 | Billion Cubic Feet |
October, 1975 | 2599 | + 131 | Billion Cubic Feet |
November, 1975 | 2541 | -58 | Billion Cubic Feet |
December, 1975 | 2212 | -329 | Billion Cubic Feet |
January, 1976 | 1648 | -564 | Billion Cubic Feet |
February, 1976 | 1444 | -204 | Billion Cubic Feet |
March, 1976 | 1326 | -118 | Billion Cubic Feet |
April, 1976 | 1423 | + 97 | Billion Cubic Feet |
May, 1976 | 1637 | + 214 | Billion Cubic Feet |
June, 1976 | 1908 | + 271 | Billion Cubic Feet |
July, 1976 | 2192 | + 284 | Billion Cubic Feet |
August, 1976 | 2447 | + 255 | Billion Cubic Feet |
September, 1976 | 2650 | + 203 | Billion Cubic Feet |
October, 1976 | 2664 | + 14 | Billion Cubic Feet |
November, 1976 | 2408 | -256 | Billion Cubic Feet |
December, 1976 | 1926 | -482 | Billion Cubic Feet |
January, 1977 | 1287 | -639 | Billion Cubic Feet |
February, 1977 | 1163 | -124 | Billion Cubic Feet |
March, 1977 | 1215 | + 52 | Billion Cubic Feet |
April, 1977 | 1427 | + 212 | Billion Cubic Feet |
May, 1977 | 1731 | + 304 | Billion Cubic Feet |
June, 1977 | 2030 | + 299 | Billion Cubic Feet |
July, 1977 | 2348 | + 318 | Billion Cubic Feet |
August, 1977 | 2599 | + 251 | Billion Cubic Feet |
September, 1977 | 2824 | + 225 | Billion Cubic Feet |
October, 1977 | 2929 | + 105 | Billion Cubic Feet |
November, 1977 | 2821 | -108 | Billion Cubic Feet |
December, 1977 | 2475 | -346 | Billion Cubic Feet |
January, 1978 | 1819 | -656 | Billion Cubic Feet |
February, 1978 | 1310 | -509 | Billion Cubic Feet |
March, 1978 | 1123 | -187 | Billion Cubic Feet |
April, 1978 | 1231 | + 108 | Billion Cubic Feet |
May, 1978 | 1491 | + 260 | Billion Cubic Feet |
June, 1978 | 1836 | + 345 | Billion Cubic Feet |
July, 1978 | 2164 | + 328 | Billion Cubic Feet |
August, 1978 | 2501 | + 337 | Billion Cubic Feet |
September, 1978 | 2813 | + 312 | Billion Cubic Feet |
October, 1978 | 2958 | + 145 | Billion Cubic Feet |
November, 1978 | 2927 | -31 | Billion Cubic Feet |
December, 1978 | 2547 | -380 | Billion Cubic Feet |
January, 1979 | 1890 | -657 | Billion Cubic Feet |
February, 1979 | 1349 | -541 | Billion Cubic Feet |
March, 1979 | 1236 | -113 | Billion Cubic Feet |
April, 1979 | 1335 | + 99 | Billion Cubic Feet |
May, 1979 | 1619 | + 284 | Billion Cubic Feet |
June, 1979 | 1950 | + 331 | Billion Cubic Feet |
July, 1979 | 2284 | + 334 | Billion Cubic Feet |
August, 1979 | 2628 | + 344 | Billion Cubic Feet |
September, 1979 | 2920 | + 292 | Billion Cubic Feet |
October, 1979 | 3079 | + 159 | Billion Cubic Feet |
November, 1979 | 3045 | -34 | Billion Cubic Feet |
December, 1979 | 2753 | -292 | Billion Cubic Feet |
January, 1980 | 2324 | -429 | Billion Cubic Feet |
February, 1980 | 1852 | -472 | Billion Cubic Feet |
March, 1980 | 1594 | -258 | Billion Cubic Feet |
April, 1980 | 1691 | + 97 | Billion Cubic Feet |
May, 1980 | 1998 | + 307 | Billion Cubic Feet |
June, 1980 | 2299 | + 301 | Billion Cubic Feet |
July, 1980 | 2587 | + 288 | Billion Cubic Feet |
August, 1980 | 2854 | + 267 | Billion Cubic Feet |
September, 1980 | 3099 | + 245 | Billion Cubic Feet |
October, 1980 | 3187 | + 88 | Billion Cubic Feet |
November, 1980 | 3026 | -161 | Billion Cubic Feet |
December, 1980 | 2655 | -371 | Billion Cubic Feet |
January, 1981 | 2152 | -503 | Billion Cubic Feet |
February, 1981 | 1824 | -328 | Billion Cubic Feet |
March, 1981 | 1631 | -193 | Billion Cubic Feet |
April, 1981 | 1764 | + 133 | Billion Cubic Feet |
May, 1981 | 1977 | + 213 | Billion Cubic Feet |
June, 1981 | 2252 | + 275 | Billion Cubic Feet |
July, 1981 | 2558 | + 306 | Billion Cubic Feet |
August, 1981 | 2882 | + 324 | Billion Cubic Feet |
September, 1981 | 3152 | + 270 | Billion Cubic Feet |
October, 1981 | 3248 | + 96 | Billion Cubic Feet |
November, 1981 | 3201 | -47 | Billion Cubic Feet |
December, 1981 | 2817 | -384 | Billion Cubic Feet |
January, 1982 | 2182 | -635 | Billion Cubic Feet |
February, 1982 | 1787 | -395 | Billion Cubic Feet |
March, 1982 | 1604 | -183 | Billion Cubic Feet |
April, 1982 | 1676 | + 72 | Billion Cubic Feet |
May, 1982 | 2034 | + 358 | Billion Cubic Feet |
June, 1982 | 2369 | + 335 | Billion Cubic Feet |
July, 1982 | 2704 | + 335 | Billion Cubic Feet |
August, 1982 | 2998 | + 294 | Billion Cubic Feet |
September, 1982 | 3251 | + 253 | Billion Cubic Feet |
October, 1982 | 3364 | + 113 | Billion Cubic Feet |
November, 1982 | 3309 | -55 | Billion Cubic Feet |
December, 1982 | 3071 | -238 | Billion Cubic Feet |
January, 1983 | 2644 | -427 | Billion Cubic Feet |
February, 1983 | 2356 | -288 | Billion Cubic Feet |
March, 1983 | 2148 | -208 | Billion Cubic Feet |
April, 1983 | 2074 | -74 | Billion Cubic Feet |
May, 1983 | 2222 | + 148 | Billion Cubic Feet |
June, 1983 | 2454 | + 232 | Billion Cubic Feet |
July, 1983 | 2696 | + 242 | Billion Cubic Feet |
August, 1983 | 2908 | + 212 | Billion Cubic Feet |
September, 1983 | 3141 | + 233 | Billion Cubic Feet |
October, 1983 | 3270 | + 129 | Billion Cubic Feet |
November, 1983 | 3175 | -95 | Billion Cubic Feet |
December, 1983 | 2595 | -580 | Billion Cubic Feet |
January, 1984 | 2091 | -504 | Billion Cubic Feet |
February, 1984 | 1876 | -215 | Billion Cubic Feet |
March, 1984 | 1572 | -304 | Billion Cubic Feet |
April, 1984 | 1620 | + 48 | Billion Cubic Feet |
May, 1984 | 1843 | + 223 | Billion Cubic Feet |
June, 1984 | 2141 | + 298 | Billion Cubic Feet |
July, 1984 | 2456 | + 315 | Billion Cubic Feet |
August, 1984 | 2740 | + 284 | Billion Cubic Feet |
September, 1984 | 2996 | + 256 | Billion Cubic Feet |
October, 1984 | 3175 | + 179 | Billion Cubic Feet |
November, 1984 | 3015 | -160 | Billion Cubic Feet |
December, 1984 | 2876 | -139 | Billion Cubic Feet |
January, 1985 | 2242 | -634 | Billion Cubic Feet |
February, 1985 | 1853 | -389 | Billion Cubic Feet |
March, 1985 | 1743 | -110 | Billion Cubic Feet |
April, 1985 | 1859 | + 116 | Billion Cubic Feet |
May, 1985 | 2129 | + 270 | Billion Cubic Feet |
June, 1985 | 2351 | + 222 | Billion Cubic Feet |
July, 1985 | 2605 | + 254 | Billion Cubic Feet |
August, 1985 | 2832 | + 227 | Billion Cubic Feet |
September, 1985 | 3081 | + 249 | Billion Cubic Feet |
October, 1985 | 3204 | + 123 | Billion Cubic Feet |
November, 1985 | 3086 | -118 | Billion Cubic Feet |
December, 1985 | 2607 | -479 | Billion Cubic Feet |
January, 1986 | 2213 | -394 | Billion Cubic Feet |
February, 1986 | 1872 | -341 | Billion Cubic Feet |
March, 1986 | 1764 | -108 | Billion Cubic Feet |
April, 1986 | 1841 | + 77 | Billion Cubic Feet |
May, 1986 | 2076 | + 235 | Billion Cubic Feet |
June, 1986 | 2323 | + 247 | Billion Cubic Feet |
July, 1986 | 2570 | + 247 | Billion Cubic Feet |
August, 1986 | 2842 | + 272 | Billion Cubic Feet |
September, 1986 | 3066 | + 224 | Billion Cubic Feet |
October, 1986 | 3208 | + 142 | Billion Cubic Feet |
November, 1986 | 3077 | -131 | Billion Cubic Feet |
December, 1986 | 2749 | -328 | Billion Cubic Feet |
January, 1987 | 2280 | -469 | Billion Cubic Feet |
February, 1987 | 1988 | -292 | Billion Cubic Feet |
March, 1987 | 1879 | -109 | Billion Cubic Feet |
April, 1987 | 1938 | + 59 | Billion Cubic Feet |
May, 1987 | 2206 | + 268 | Billion Cubic Feet |
June, 1987 | 2437 | + 231 | Billion Cubic Feet |
July, 1987 | 2636 | + 199 | Billion Cubic Feet |
August, 1987 | 2836 | + 200 | Billion Cubic Feet |
September, 1987 | 3049 | + 213 | Billion Cubic Feet |
October, 1987 | 3106 | + 57 | Billion Cubic Feet |
November, 1987 | 3059 | -47 | Billion Cubic Feet |
December, 1987 | 2756 | -303 | Billion Cubic Feet |
January, 1988 | 2228 | -528 | Billion Cubic Feet |
February, 1988 | 1827 | -401 | Billion Cubic Feet |
March, 1988 | 1682 | -145 | Billion Cubic Feet |
April, 1988 | 1769 | + 87 | Billion Cubic Feet |
May, 1988 | 2027 | + 258 | Billion Cubic Feet |
June, 1988 | 2293 | + 266 | Billion Cubic Feet |
July, 1988 | 2567 | + 274 | Billion Cubic Feet |
August, 1988 | 2835 | + 268 | Billion Cubic Feet |
September, 1988 | 3120 | + 285 | Billion Cubic Feet |
October, 1988 | 3243 | + 123 | Billion Cubic Feet |
November, 1988 | 3171 | -72 | Billion Cubic Feet |
December, 1988 | 2850 | -321 | Billion Cubic Feet |
January, 1989 | 2509 | -341 | Billion Cubic Feet |
February, 1989 | 1994 | -515 | Billion Cubic Feet |
March, 1989 | 1776 | -218 | Billion Cubic Feet |
April, 1989 | 1823 | + 47 | Billion Cubic Feet |
May, 1989 | 2062 | + 239 | Billion Cubic Feet |
June, 1989 | 2374 | + 312 | Billion Cubic Feet |
July, 1989 | 2644 | + 270 | Billion Cubic Feet |
August, 1989 | 2938 | + 294 | Billion Cubic Feet |
September, 1989 | 3187 | + 249 | Billion Cubic Feet |
October, 1989 | 3268 | + 81 | Billion Cubic Feet |
November, 1989 | 3199 | -69 | Billion Cubic Feet |
December, 1989 | 2513 | -686 | Billion Cubic Feet |
January, 1990 | 2270 | -243 | Billion Cubic Feet |
February, 1990 | 2004 | -266 | Billion Cubic Feet |
March, 1990 | 1875 | -129 | Billion Cubic Feet |
April, 1990 | 1946 | + 71 | Billion Cubic Feet |
May, 1990 | 2180 | + 234 | Billion Cubic Feet |
June, 1990 | 2485 | + 305 | Billion Cubic Feet |
July, 1990 | 2791 | + 306 | Billion Cubic Feet |
August, 1990 | 3071 | + 280 | Billion Cubic Feet |
September, 1990 | 3321 | + 250 | Billion Cubic Feet |
October, 1990 | 3467 | + 146 | Billion Cubic Feet |
November, 1990 | 3472 | + 5 | Billion Cubic Feet |
December, 1990 | 3068 | -404 | Billion Cubic Feet |
January, 1991 | 2361.98 | -706.02 | Billion Cubic Feet |
February, 1991 | 2063.355 | -298.625 | Billion Cubic Feet |
March, 1991 | 1911.709 | -151.646 | Billion Cubic Feet |
April, 1991 | 2036.642 | + 124.933 | Billion Cubic Feet |
May, 1991 | 2272.809 | + 236.167 | Billion Cubic Feet |
June, 1991 | 2552.91 | + 280.101 | Billion Cubic Feet |
July, 1991 | 2771.08 | + 218.17 | Billion Cubic Feet |
August, 1991 | 2978.493 | + 207.413 | Billion Cubic Feet |
September, 1991 | 3201.378 | + 222.885 | Billion Cubic Feet |
October, 1991 | 3368.816 | + 167.438 | Billion Cubic Feet |
November, 1991 | 3147.855 | -220.961 | Billion Cubic Feet |
December, 1991 | 2823.542 | -324.313 | Billion Cubic Feet |
January, 1992 | 2215.656 | -607.886 | Billion Cubic Feet |
February, 1992 | 1837.489 | -378.167 | Billion Cubic Feet |
March, 1992 | 1544.626 | -292.863 | Billion Cubic Feet |
April, 1992 | 1573.153 | + 28.527 | Billion Cubic Feet |
May, 1992 | 1848.147 | + 274.994 | Billion Cubic Feet |
June, 1992 | 2152.679 | + 304.532 | Billion Cubic Feet |
July, 1992 | 2459.804 | + 307.125 | Billion Cubic Feet |
August, 1992 | 2761.211 | + 301.407 | Billion Cubic Feet |
September, 1992 | 3044.07 | + 282.859 | Billion Cubic Feet |
October, 1992 | 3223.217 | + 179.147 | Billion Cubic Feet |
November, 1992 | 3053.853 | -169.364 | Billion Cubic Feet |
December, 1992 | 2596.797 | -457.056 | Billion Cubic Feet |
January, 1993 | 1826.51 | -770.287 | Billion Cubic Feet |
February, 1993 | 1302.72 | -523.79 | Billion Cubic Feet |
March, 1993 | 1028.814 | -273.906 | Billion Cubic Feet |
April, 1993 | 1120.385 | + 91.571 | Billion Cubic Feet |
May, 1993 | 1520.927 | + 400.542 | Billion Cubic Feet |
June, 1993 | 1894.528 | + 373.601 | Billion Cubic Feet |
July, 1993 | 2240.336 | + 345.808 | Billion Cubic Feet |
August, 1993 | 2554.159 | + 313.823 | Billion Cubic Feet |
September, 1993 | 2883.878 | + 329.719 | Billion Cubic Feet |
October, 1993 | 2977.971 | + 94.093 | Billion Cubic Feet |
November, 1993 | 2762.23 | -215.741 | Billion Cubic Feet |
December, 1993 | 2321.78 | -440.45 | Billion Cubic Feet |
January, 1994 | 1579.382 | -742.398 | Billion Cubic Feet |
February, 1994 | 1090.594 | -488.788 | Billion Cubic Feet |
March, 1994 | 957.857 | -132.737 | Billion Cubic Feet |
April, 1994 | 1171.85 | + 213.993 | Billion Cubic Feet |
May, 1994 | 1554.369 | + 382.519 | Billion Cubic Feet |
June, 1994 | 1896.42 | + 342.051 | Billion Cubic Feet |
July, 1994 | 2273.447 | + 377.027 | Billion Cubic Feet |
August, 1994 | 2606.586 | + 333.139 | Billion Cubic Feet |
September, 1994 | 2912.086 | + 305.5 | Billion Cubic Feet |
October, 1994 | 3074.847 | + 162.761 | Billion Cubic Feet |
November, 1994 | 2977.681 | -97.166 | Billion Cubic Feet |
December, 1994 | 2606.056 | -371.625 | Billion Cubic Feet |
January, 1995 | 2045.28 | -560.776 | Billion Cubic Feet |
February, 1995 | 1541.669 | -503.611 | Billion Cubic Feet |
March, 1995 | 1331.821 | -209.848 | Billion Cubic Feet |
April, 1995 | 1379.28 | + 47.459 | Billion Cubic Feet |
May, 1995 | 1668.338 | + 289.058 | Billion Cubic Feet |
June, 1995 | 2014.016 | + 345.678 | Billion Cubic Feet |
July, 1995 | 2301.292 | + 287.276 | Billion Cubic Feet |
August, 1995 | 2494.671 | + 193.379 | Billion Cubic Feet |
September, 1995 | 2802.218 | + 307.547 | Billion Cubic Feet |
October, 1995 | 2996.028 | + 193.81 | Billion Cubic Feet |
November, 1995 | 2728.482 | -267.546 | Billion Cubic Feet |
December, 1995 | 2153.273 | -575.209 | Billion Cubic Feet |
January, 1996 | 1462.468 | -690.805 | Billion Cubic Feet |
February, 1996 | 1020.582 | -441.886 | Billion Cubic Feet |
March, 1996 | 757.995 | -262.587 | Billion Cubic Feet |
April, 1996 | 853.961 | + 95.966 | Billion Cubic Feet |
May, 1996 | 1161.115 | + 307.154 | Billion Cubic Feet |
June, 1996 | 1529.125 | + 368.01 | Billion Cubic Feet |
July, 1996 | 1897.649 | + 368.524 | Billion Cubic Feet |
August, 1996 | 2244.504 | + 346.855 | Billion Cubic Feet |
September, 1996 | 2604.981 | + 360.477 | Billion Cubic Feet |
October, 1996 | 2810.476 | + 205.495 | Billion Cubic Feet |
November, 1996 | 2549.137 | -261.339 | Billion Cubic Feet |
December, 1996 | 2172.551 | -376.586 | Billion Cubic Feet |
January, 1997 | 1495.563 | -676.988 | Billion Cubic Feet |
February, 1997 | 1139.422 | -356.141 | Billion Cubic Feet |
March, 1997 | 990.433 | -148.989 | Billion Cubic Feet |
April, 1997 | 1051.235 | + 60.802 | Billion Cubic Feet |
May, 1997 | 1364.797 | + 313.562 | Billion Cubic Feet |
June, 1997 | 1731.133 | + 366.336 | Billion Cubic Feet |
July, 1997 | 2016.537 | + 285.404 | Billion Cubic Feet |
August, 1997 | 2337.912 | + 321.375 | Billion Cubic Feet |
September, 1997 | 2672.309 | + 334.397 | Billion Cubic Feet |
October, 1997 | 2885.777 | + 213.468 | Billion Cubic Feet |
November, 1997 | 2698.886 | -186.891 | Billion Cubic Feet |
December, 1997 | 2174.52 | -524.366 | Billion Cubic Feet |
January, 1998 | 1712.114 | -462.406 | Billion Cubic Feet |
February, 1998 | 1426.2 | -285.914 | Billion Cubic Feet |
March, 1998 | 1182.845 | -243.355 | Billion Cubic Feet |
April, 1998 | 1386.101 | + 203.256 | Billion Cubic Feet |
May, 1998 | 1773.54 | + 387.439 | Billion Cubic Feet |
June, 1998 | 2113.57 | + 340.03 | Billion Cubic Feet |
July, 1998 | 2427.867 | + 314.297 | Billion Cubic Feet |
August, 1998 | 2698.034 | + 270.167 | Billion Cubic Feet |
September, 1998 | 2927.75 | + 229.716 | Billion Cubic Feet |
October, 1998 | 3191.256 | + 263.506 | Billion Cubic Feet |
November, 1998 | 3154.963 | -36.293 | Billion Cubic Feet |
December, 1998 | 2729.704 | -425.259 | Billion Cubic Feet |
January, 1999 | 2072.829 | -656.875 | Billion Cubic Feet |
February, 1999 | 1745.681 | -327.148 | Billion Cubic Feet |
March, 1999 | 1405.815 | -339.866 | Billion Cubic Feet |
April, 1999 | 1495.274 | + 89.459 | Billion Cubic Feet |
May, 1999 | 1834.678 | + 339.404 | Billion Cubic Feet |
June, 1999 | 2149.27 | + 314.592 | Billion Cubic Feet |
July, 1999 | 2379.142 | + 229.872 | Billion Cubic Feet |
August, 1999 | 2610.196 | + 231.054 | Billion Cubic Feet |
September, 1999 | 2922.862 | + 312.666 | Billion Cubic Feet |
October, 1999 | 3073.445 | + 150.583 | Billion Cubic Feet |
November, 1999 | 3065.388 | -8.0570000000002 | Billion Cubic Feet |
December, 1999 | 2523.186 | -542.202 | Billion Cubic Feet |
January, 2000 | 1760.467 | -762.719 | Billion Cubic Feet |
February, 2000 | 1303.564 | -456.903 | Billion Cubic Feet |
March, 2000 | 1153.219 | -150.345 | Billion Cubic Feet |
April, 2000 | 1202.518 | + 49.299 | Billion Cubic Feet |
May, 2000 | 1433.1 | + 230.582 | Billion Cubic Feet |
June, 2000 | 1717.307 | + 284.207 | Billion Cubic Feet |
July, 2000 | 2002.698 | + 285.391 | Billion Cubic Feet |
August, 2000 | 2198.996 | + 196.298 | Billion Cubic Feet |
September, 2000 | 2494.292 | + 295.296 | Billion Cubic Feet |
October, 2000 | 2732.267 | + 237.975 | Billion Cubic Feet |
November, 2000 | 2442.194 | -290.073 | Billion Cubic Feet |
December, 2000 | 1718.926 | -723.268 | Billion Cubic Feet |
January, 2001 | 1265.496 | -453.43 | Billion Cubic Feet |
February, 2001 | 912.366 | -353.13 | Billion Cubic Feet |
March, 2001 | 741.551 | -170.815 | Billion Cubic Feet |
April, 2001 | 992.263 | + 250.712 | Billion Cubic Feet |
May, 2001 | 1440.096 | + 447.833 | Billion Cubic Feet |
June, 2001 | 1882.431 | + 442.335 | Billion Cubic Feet |
July, 2001 | 2260.763 | + 378.332 | Billion Cubic Feet |
August, 2001 | 2575.798 | + 315.035 | Billion Cubic Feet |
September, 2001 | 2944.267 | + 368.469 | Billion Cubic Feet |
October, 2001 | 3143.972 | + 199.705 | Billion Cubic Feet |
November, 2001 | 3254.099 | + 110.127 | Billion Cubic Feet |
December, 2001 | 2903.514 | -350.585 | Billion Cubic Feet |
January, 2002 | 2343.861 | -559.653 | Billion Cubic Feet |
February, 2002 | 1837.865 | -505.996 | Billion Cubic Feet |
March, 2002 | 1517.794 | -320.071 | Billion Cubic Feet |
April, 2002 | 1658.541 | + 140.747 | Billion Cubic Feet |
May, 2002 | 1968.125 | + 309.584 | Billion Cubic Feet |
June, 2002 | 2308.175 | + 340.05 | Billion Cubic Feet |
July, 2002 | 2538.634 | + 230.459 | Billion Cubic Feet |
August, 2002 | 2773.379 | + 234.745 | Billion Cubic Feet |
September, 2002 | 3041.639 | + 268.26 | Billion Cubic Feet |
October, 2002 | 3115.902 | + 74.263 | Billion Cubic Feet |
November, 2002 | 2928.627 | -187.275 | Billion Cubic Feet |
December, 2002 | 2375.233 | -553.394 | Billion Cubic Feet |
January, 2003 | 1522.318 | -852.915 | Billion Cubic Feet |
February, 2003 | 850.501 | -671.817 | Billion Cubic Feet |
March, 2003 | 730.055 | -120.446 | Billion Cubic Feet |
April, 2003 | 893.321 | + 163.266 | Billion Cubic Feet |
May, 2003 | 1297.563 | + 404.242 | Billion Cubic Feet |
June, 2003 | 1765.182 | + 467.619 | Billion Cubic Feet |
July, 2003 | 2125.887 | + 360.705 | Billion Cubic Feet |
August, 2003 | 2435.746 | + 309.859 | Billion Cubic Feet |
September, 2003 | 2845.276 | + 409.53 | Billion Cubic Feet |
October, 2003 | 3130.211 | + 284.935 | Billion Cubic Feet |
November, 2003 | 3037.956 | -92.255 | Billion Cubic Feet |
December, 2003 | 2562.619 | -475.337 | Billion Cubic Feet |
January, 2004 | 1751.044 | -811.575 | Billion Cubic Feet |
February, 2004 | 1155.757 | -595.287 | Billion Cubic Feet |
March, 2004 | 1058.411 | -97.346 | Billion Cubic Feet |
April, 2004 | 1252.455 | + 194.044 | Billion Cubic Feet |
May, 2004 | 1623.759 | + 371.304 | Billion Cubic Feet |
June, 2004 | 2022.935 | + 399.176 | Billion Cubic Feet |
July, 2004 | 2394.569 | + 371.634 | Billion Cubic Feet |
August, 2004 | 2742.614 | + 348.045 | Billion Cubic Feet |
September, 2004 | 3056.55 | + 313.936 | Billion Cubic Feet |
October, 2004 | 3302.235 | + 245.685 | Billion Cubic Feet |
November, 2004 | 3244.547 | -57.688 | Billion Cubic Feet |
December, 2004 | 2696.075 | -548.472 | Billion Cubic Feet |
January, 2005 | 1993.943 | -702.132 | Billion Cubic Feet |
February, 2005 | 1564.462 | -429.481 | Billion Cubic Feet |
March, 2005 | 1284.37 | -280.092 | Billion Cubic Feet |
April, 2005 | 1498.643 | + 214.273 | Billion Cubic Feet |
May, 2005 | 1875.151 | + 376.508 | Billion Cubic Feet |
June, 2005 | 2197.491 | + 322.34 | Billion Cubic Feet |
July, 2005 | 2450.169 | + 252.678 | Billion Cubic Feet |
August, 2005 | 2662.261 | + 212.092 | Billion Cubic Feet |
September, 2005 | 2931.698 | + 269.437 | Billion Cubic Feet |
October, 2005 | 3194.104 | + 262.406 | Billion Cubic Feet |
November, 2005 | 3189.16 | -4.944 | Billion Cubic Feet |
December, 2005 | 2635.36 | -553.8 | Billion Cubic Feet |
January, 2006 | 2371.047 | -264.313 | Billion Cubic Feet |
February, 2006 | 1886.24 | -484.807 | Billion Cubic Feet |
March, 2006 | 1691.737 | -194.503 | Billion Cubic Feet |
April, 2006 | 1945.276 | + 253.539 | Billion Cubic Feet |
May, 2006 | 2309.943 | + 364.667 | Billion Cubic Feet |
June, 2006 | 2616.647 | + 306.704 | Billion Cubic Feet |
July, 2006 | 2779.211 | + 162.564 | Billion Cubic Feet |
August, 2006 | 2969.223 | + 190.012 | Billion Cubic Feet |
September, 2006 | 3323.178 | + 353.955 | Billion Cubic Feet |
October, 2006 | 3452.241 | + 129.063 | Billion Cubic Feet |
November, 2006 | 3406.652 | -45.589 | Billion Cubic Feet |
December, 2006 | 3069.956 | -336.696 | Billion Cubic Feet |
January, 2007 | 2382.895 | -687.061 | Billion Cubic Feet |
February, 2007 | 1651.569 | -731.326 | Billion Cubic Feet |
March, 2007 | 1603.002 | -48.567 | Billion Cubic Feet |
April, 2007 | 1722.741 | + 119.739 | Billion Cubic Feet |
May, 2007 | 2181.239 | + 458.498 | Billion Cubic Feet |
June, 2007 | 2582.784 | + 401.545 | Billion Cubic Feet |
July, 2007 | 2896.255 | + 313.471 | Billion Cubic Feet |
August, 2007 | 3020.799 | + 124.544 | Billion Cubic Feet |
September, 2007 | 3315.434 | + 294.635 | Billion Cubic Feet |
October, 2007 | 3565.38 | + 249.946 | Billion Cubic Feet |
November, 2007 | 3442.033 | -123.347 | Billion Cubic Feet |
December, 2007 | 2879.259 | -562.774 | Billion Cubic Feet |
January, 2008 | 2055.881 | -823.378 | Billion Cubic Feet |
February, 2008 | 1464.69 | -591.191 | Billion Cubic Feet |
March, 2008 | 1266.066 | -198.624 | Billion Cubic Feet |
April, 2008 | 1436.402 | + 170.336 | Billion Cubic Feet |
May, 2008 | 1839.543 | + 403.141 | Billion Cubic Feet |
June, 2008 | 2177.548 | + 338.005 | Billion Cubic Feet |
July, 2008 | 2517.023 | + 339.475 | Billion Cubic Feet |
August, 2008 | 2866.164 | + 349.141 | Billion Cubic Feet |
September, 2008 | 3160.918 | + 294.754 | Billion Cubic Feet |
October, 2008 | 3399.381 | + 238.463 | Billion Cubic Feet |
November, 2008 | 3345.911 | -53.47 | Billion Cubic Feet |
December, 2008 | 2840.363 | -505.548 | Billion Cubic Feet |
January, 2009 | 2133.233 | -707.13 | Billion Cubic Feet |
February, 2009 | 1758.022 | -375.211 | Billion Cubic Feet |
March, 2009 | 1659.646 | -98.376 | Billion Cubic Feet |
April, 2009 | 1909.916 | + 250.27 | Billion Cubic Feet |
May, 2009 | 2374.809 | + 464.893 | Billion Cubic Feet |
June, 2009 | 2760.133 | + 385.324 | Billion Cubic Feet |
July, 2009 | 3090.305 | + 330.172 | Billion Cubic Feet |
August, 2009 | 3359.118 | + 268.813 | Billion Cubic Feet |
September, 2009 | 3645.978 | + 286.86 | Billion Cubic Feet |
October, 2009 | 3809.867 | + 163.889 | Billion Cubic Feet |
November, 2009 | 3837.424 | + 27.557 | Billion Cubic Feet |
December, 2009 | 3130.076 | -707.348 | Billion Cubic Feet |
January, 2010 | 2303.858 | -826.218 | Billion Cubic Feet |
February, 2010 | 1683.334 | -620.524 | Billion Cubic Feet |
March, 2010 | 1652.413 | -30.921 | Billion Cubic Feet |
April, 2010 | 2011.101 | + 358.688 | Billion Cubic Feet |
May, 2010 | 2419.66 | + 408.559 | Billion Cubic Feet |
June, 2010 | 2740.056 | + 320.396 | Billion Cubic Feet |
July, 2010 | 2965.78 | + 225.724 | Billion Cubic Feet |
August, 2010 | 3152.761 | + 186.981 | Billion Cubic Feet |
September, 2010 | 3507.646 | + 354.885 | Billion Cubic Feet |
October, 2010 | 3850.641 | + 342.995 | Billion Cubic Feet |
November, 2010 | 3768.905 | -81.736 | Billion Cubic Feet |
December, 2010 | 3111.085 | -657.82 | Billion Cubic Feet |
January, 2011 | 2305.843 | -805.242 | Billion Cubic Feet |
February, 2011 | 1721.875 | -583.968 | Billion Cubic Feet |
March, 2011 | 1577.007 | -144.868 | Billion Cubic Feet |
April, 2011 | 1788.48 | + 211.473 | Billion Cubic Feet |
May, 2011 | 2186.855 | + 398.375 | Billion Cubic Feet |
June, 2011 | 2529.647 | + 342.792 | Billion Cubic Feet |
July, 2011 | 2775.346 | + 245.699 | Billion Cubic Feet |
August, 2011 | 3019.155 | + 243.809 | Billion Cubic Feet |
September, 2011 | 3415.698 | + 396.543 | Billion Cubic Feet |
October, 2011 | 3803.828 | + 388.13 | Billion Cubic Feet |
November, 2011 | 3842.882 | + 39.054 | Billion Cubic Feet |
December, 2011 | 3462.021 | -380.861 | Billion Cubic Feet |
January, 2012 | 2910.007 | -552.014 | Billion Cubic Feet |
February, 2012 | 2448.81 | -461.197 | Billion Cubic Feet |
March, 2012 | 2473.13 | + 24.32 | Billion Cubic Feet |
April, 2012 | 2611.226 | + 138.096 | Billion Cubic Feet |
May, 2012 | 2887.06 | + 275.834 | Billion Cubic Feet |
June, 2012 | 3115.447 | + 228.387 | Billion Cubic Feet |
July, 2012 | 3245.201 | + 129.754 | Billion Cubic Feet |
August, 2012 | 3406.134 | + 160.933 | Billion Cubic Feet |
September, 2012 | 3693.053 | + 286.919 | Billion Cubic Feet |
October, 2012 | 3929.25 | + 236.197 | Billion Cubic Feet |
November, 2012 | 3799.215 | -130.035 | Billion Cubic Feet |
December, 2012 | 3412.91 | -386.305 | Billion Cubic Feet |
January, 2013 | 2699.227 | -713.683 | Billion Cubic Feet |
February, 2013 | 2099.354 | -599.873 | Billion Cubic Feet |
March, 2013 | 1719.845 | -379.509 | Billion Cubic Feet |
April, 2013 | 1855.188 | + 135.343 | Billion Cubic Feet |
May, 2013 | 2269.564 | + 414.376 | Billion Cubic Feet |
June, 2013 | 2642.648 | + 373.084 | Billion Cubic Feet |
July, 2013 | 2936.86 | + 294.212 | Billion Cubic Feet |
August, 2013 | 3212.006 | + 275.146 | Billion Cubic Feet |
September, 2013 | 3564.505 | + 352.499 | Billion Cubic Feet |
October, 2013 | 3816.996 | + 252.491 | Billion Cubic Feet |
November, 2013 | 3605.337 | -211.659 | Billion Cubic Feet |
December, 2013 | 2889.892 | -715.445 | Billion Cubic Feet |
January, 2014 | 1924.922 | -964.97 | Billion Cubic Feet |
February, 2014 | 1199.987 | -724.935 | Billion Cubic Feet |
March, 2014 | 857.311 | -342.676 | Billion Cubic Feet |
April, 2014 | 1066.38 | + 209.069 | Billion Cubic Feet |
May, 2014 | 1547.944 | + 481.564 | Billion Cubic Feet |
June, 2014 | 2005.475 | + 457.531 | Billion Cubic Feet |
July, 2014 | 2399.974 | + 394.499 | Billion Cubic Feet |
August, 2014 | 2768.398 | + 368.424 | Billion Cubic Feet |
September, 2014 | 3187.016 | + 418.618 | Billion Cubic Feet |
October, 2014 | 3587.27 | + 400.254 | Billion Cubic Feet |
November, 2014 | 3426.869 | -160.401 | Billion Cubic Feet |
December, 2014 | 3141.222 | -285.647 | Billion Cubic Feet |
January, 2015 | 2407.122 | -734.1 | Billion Cubic Feet |
February, 2015 | 1665.549 | -741.573 | Billion Cubic Feet |
March, 2015 | 1471.476 | -194.073 | Billion Cubic Feet |
April, 2015 | 1793.086 | + 321.61 | Billion Cubic Feet |
May, 2015 | 2287.238 | + 494.152 | Billion Cubic Feet |
June, 2015 | 2646.533 | + 359.295 | Billion Cubic Feet |
July, 2015 | 2924.427 | + 277.894 | Billion Cubic Feet |
August, 2015 | 3241.632 | + 317.205 | Billion Cubic Feet |
September, 2015 | 3614.081 | + 372.449 | Billion Cubic Feet |
October, 2015 | 3942.279 | + 328.198 | Billion Cubic Feet |
November, 2015 | 3926.822 | -15.457 | Billion Cubic Feet |
December, 2015 | 3666.632 | -260.19 | Billion Cubic Feet |
January, 2016 | 2938.089 | -728.543 | Billion Cubic Feet |
February, 2016 | 2534.293 | -403.796 | Billion Cubic Feet |
March, 2016 | 2486.323 | -47.97 | Billion Cubic Feet |
April, 2016 | 2645.56 | + 159.237 | Billion Cubic Feet |
May, 2016 | 2966.266 | + 320.706 | Billion Cubic Feet |
June, 2016 | 3186.033 | + 219.767 | Billion Cubic Feet |
July, 2016 | 3318.139 | + 132.106 | Billion Cubic Feet |
August, 2016 | 3441.325 | + 123.186 | Billion Cubic Feet |
September, 2016 | 3705.161 | + 263.836 | Billion Cubic Feet |
October, 2016 | 4012.723 | + 307.562 | Billion Cubic Feet |
November, 2016 | 3976.581 | -36.142 | Billion Cubic Feet |
December, 2016 | 3296.944 | -679.637 | Billion Cubic Feet |
January, 2017 | 2622.159 | -674.785 | Billion Cubic Feet |
February, 2017 | 2337.331 | -284.828 | Billion Cubic Feet |
March, 2017 | 2062.505 | -274.826 | Billion Cubic Feet |
April, 2017 | 2291.25 | + 228.745 | Billion Cubic Feet |
May, 2017 | 2626.507 | + 335.257 | Billion Cubic Feet |
June, 2017 | 2906.809 | + 280.302 | Billion Cubic Feet |
July, 2017 | 3054.151 | + 147.342 | Billion Cubic Feet |
August, 2017 | 3249.896 | + 195.745 | Billion Cubic Feet |
September, 2017 | 3567.228 | + 317.332 | Billion Cubic Feet |
October, 2017 | 3816.497 | + 249.269 | Billion Cubic Feet |
November, 2017 | 3709.263 | -107.234 | Billion Cubic Feet |
December, 2017 | 3032.602 | -676.661 | Billion Cubic Feet |
January, 2018 | 2140.557 | -892.045 | Billion Cubic Feet |
February, 2018 | 1672.663 | -467.894 | Billion Cubic Feet |
March, 2018 | 1390.28 | -282.383 | Billion Cubic Feet |
April, 2018 | 1426.8 | + 36.52 | Billion Cubic Feet |
May, 2018 | 1847.454 | + 420.654 | Billion Cubic Feet |
June, 2018 | 2195.227 | + 347.773 | Billion Cubic Feet |
July, 2018 | 2381.269 | + 186.042 | Billion Cubic Feet |
August, 2018 | 2616.841 | + 235.572 | Billion Cubic Feet |
September, 2018 | 2950.368 | + 333.527 | Billion Cubic Feet |
October, 2018 | 3236.255 | + 285.887 | Billion Cubic Feet |
November, 2018 | 3030.079 | -206.176 | Billion Cubic Feet |
December, 2018 | 2708.318 | -321.761 | Billion Cubic Feet |
January, 2019 | 1993.997 | -714.321 | Billion Cubic Feet |
February, 2019 | 1426.21 | -567.787 | Billion Cubic Feet |
March, 2019 | 1184.891 | -241.319 | Billion Cubic Feet |
April, 2019 | 1559.402 | + 374.511 | Billion Cubic Feet |
May, 2019 | 2031.031 | + 471.629 | Billion Cubic Feet |
June, 2019 | 2460.748 | + 429.717 | Billion Cubic Feet |
July, 2019 | 2714.197 | + 253.449 | Billion Cubic Feet |
August, 2019 | 2997.81 | + 283.613 | Billion Cubic Feet |
September, 2019 | 3414.939 | + 417.129 | Billion Cubic Feet |
October, 2019 | 3762.043 | + 347.104 | Billion Cubic Feet |
November, 2019 | 3610.029 | -152.014 | Billion Cubic Feet |
December, 2019 | 3188.243 | -421.786 | Billion Cubic Feet |
January, 2020 | 2616.385 | -571.858 | Billion Cubic Feet |
February, 2020 | 2081.137 | -535.248 | Billion Cubic Feet |
March, 2020 | 2029.633 | -51.504 | Billion Cubic Feet |
April, 2020 | 2332.798 | + 303.165 | Billion Cubic Feet |
May, 2020 | 2777.889 | + 445.091 | Billion Cubic Feet |
June, 2020 | 3133.096 | + 355.207 | Billion Cubic Feet |
July, 2020 | 3293.55 | + 160.454 | Billion Cubic Feet |
August, 2020 | 3522.216 | + 228.666 | Billion Cubic Feet |
September, 2020 | 3839.836 | + 317.62 | Billion Cubic Feet |
October, 2020 | 3928.504 | + 88.668 | Billion Cubic Feet |
November, 2020 | 3931.616 | + 3.1120000000001 | Billion Cubic Feet |
December, 2020 | 3340.975 | -590.641 | Billion Cubic Feet |
January, 2021 | 2634.964 | -706.011 | Billion Cubic Feet |
February, 2021 | 1858.354 | -776.61 | Billion Cubic Feet |
March, 2021 | 1800.769 | -57.585 | Billion Cubic Feet |
Year | Year Open - Year Close | Year Min - Year Max | Year Average | Year Change |
---|---|---|---|---|
2021 | 2634.964 - 1800.769 | 1800.769 - 2634.964 | 2098.03 | -834.2 |
2020 | 2616.385 - 3340.975 | 2029.633 - 3931.616 | 3068.97 | + 724.59 |
2019 | 1993.997 - 3188.243 | 1184.891 - 3762.043 | 2528.63 | + 1194.25 |
2018 | 2140.557 - 2708.318 | 1390.28 - 3236.255 | 2299.68 | + 567.76 |
2017 | 2622.159 - 3032.602 | 2062.505 - 3816.497 | 2939.68 | + 410.44 |
2016 | 2938.089 - 3296.944 | 2486.323 - 4012.723 | 3208.95 | + 358.86 |
2015 | 2407.122 - 3666.632 | 1471.476 - 3942.279 | 2798.91 | + 1259.51 |
2014 | 1924.922 - 3141.222 | 857.311 - 3587.27 | 2259.4 | + 1216.3 |
2013 | 2699.227 - 2889.892 | 1719.845 - 3816.996 | 2775.95 | + 190.67 |
2012 | 2910.007 - 3412.91 | 2448.81 - 3929.25 | 3160.95 | + 502.9 |
2011 | 2305.843 - 3462.021 | 1577.007 - 3842.882 | 2702.39 | + 1156.18 |
2010 | 2303.858 - 3111.085 | 1652.413 - 3850.641 | 2763.94 | + 807.23 |
2009 | 2133.233 - 3130.076 | 1659.646 - 3837.424 | 2789.04 | + 996.84 |
2008 | 2055.881 - 2840.363 | 1266.066 - 3399.381 | 2364.16 | + 784.48 |
2007 | 2382.895 - 2879.259 | 1603.002 - 3565.38 | 2603.62 | + 496.36 |
2006 | 2371.047 - 3069.956 | 1691.737 - 3452.241 | 2651.78 | + 698.91 |
2005 | 1993.943 - 2635.36 | 1284.37 - 3194.104 | 2289.73 | + 641.42 |
2004 | 1751.044 - 2696.075 | 1058.411 - 3302.235 | 2191.75 | + 945.03 |
2003 | 1522.318 - 2562.619 | 730.055 - 3130.211 | 1933.05 | + 1040.3 |
2002 | 2343.861 - 2375.233 | 1517.794 - 3115.902 | 2367.31 | + 31.37 |
2001 | 1265.496 - 2903.514 | 741.551 - 3254.099 | 2026.38 | + 1638.02 |
2000 | 1760.467 - 1718.926 | 1153.219 - 2732.267 | 1846.63 | -41.54 |
1999 | 2072.829 - 2523.186 | 1405.815 - 3073.445 | 2273.15 | + 450.36 |
1998 | 1712.114 - 2729.704 | 1182.845 - 3191.256 | 2227 | + 1017.59 |
1997 | 1495.563 - 2174.52 | 990.433 - 2885.777 | 1879.88 | + 678.96 |
1996 | 1462.468 - 2172.551 | 757.995 - 2810.476 | 1755.38 | + 710.08 |
1995 | 2045.28 - 2153.273 | 1331.821 - 2996.028 | 2121.36 | + 107.99 |
1994 | 1579.382 - 2606.056 | 957.857 - 3074.847 | 2058.43 | + 1026.67 |
1993 | 1826.51 - 2321.78 | 1028.814 - 2977.971 | 2036.19 | + 495.27 |
1992 | 2215.656 - 2596.797 | 1544.626 - 3223.217 | 2359.23 | + 381.14 |
1991 | 2361.98 - 2823.542 | 1911.709 - 3368.816 | 2624.21 | + 461.56 |
1990 | 2270 - 3068 | 1875 - 3472 | 2662.5 | + 798 |
1989 | 2509 - 2513 | 1776 - 3268 | 2523.92 | + 4 |
1988 | 2228 - 2850 | 1682 - 3243 | 2467.67 | + 622 |
1987 | 2280 - 2756 | 1879 - 3106 | 2514.17 | + 476 |
1986 | 2213 - 2749 | 1764 - 3208 | 2466.75 | + 536 |
1985 | 2242 - 2607 | 1743 - 3204 | 2466 | + 365 |
1984 | 2091 - 2876 | 1572 - 3175 | 2366.75 | + 785 |
1983 | 2644 - 2595 | 2074 - 3270 | 2640.25 | -49 |
1982 | 2182 - 3071 | 1604 - 3364 | 2529.08 | + 889 |
1981 | 2152 - 2817 | 1631 - 3248 | 2454.83 | + 665 |
1980 | 2324 - 2655 | 1594 - 3187 | 2430.5 | + 331 |
1979 | 1890 - 2753 | 1236 - 3079 | 2174 | + 863 |
1978 | 1819 - 2547 | 1123 - 2958 | 2060 | + 728 |
1977 | 1287 - 2475 | 1163 - 2929 | 2070.75 | + 1188 |
1976 | 1648 - 1926 | 1326 - 2664 | 1972.75 | + 278 |
1975 | 2468 - 2212 | 2212 - 2599 | 2455 | -256 |
1974 | 2403 - 2050 | 2050 - 2403 | 2226.5 | -353 |
1973 | 2034 - 2034 | 2034 - 2034 | 2034 | 0 |