View History:  Monthly  
Download Data (XLS File)
Mountain Region Natural Gas Underground Storage Volume (Million Cubic Feet)
Mountain Region Natural Gas Underground Storage Volume (Million Cubic Feet)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  2013 596,220 571,001 555,330 550,911 560,785 573,145 586,231 605,322 623,662 636,750 632,304 595,336
  2014 558,453 523,122 503,750 502,309 519,323 541,977 562,863 580,527 598,135 610,882 598,284 573,155
  2015 552,277 537,185 537,004 539,816 558,882 578,300 595,505 610,816 626,924 638,383 633,170 611,934
  2016 581,770 569,203 570,106 577,842 602,384 622,178 634,145 644,943 658,353 674,427 677,536 630,344
  2017 585,040 566,345 567,299 576,692 596,691 613,904 627,425 631,693 648,485 650,754 650,803 607,298
  2018 565,411 531,104 517,200 521,410 547,618 567,694 575,728 591,113 606,993 612,972 597,861 573,702
  2019 541,604 512,915 503,606 516,700 542,208 576,328 599,974 619,112 641,677 647,402 638,436 609,518
  2020 577,104 541,409 533,555 551,106 585,316 619,588 643,045 657,617 677,930 683,456 680,392 639,160
  2021 598,890 559,127 557,296 567,640 600,029 620,353

- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 8/31/2021
Next Release Date: 9/30/2021

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