View History:    Monthly     Annual   
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Midwest (PADD 2) Refinery Stocks of Isobutane (Thousand Barrels)
Midwest (PADD 2) Refinery Stocks of Isobutane (Thousand Barrels)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  2010 548 588 614 438 467 465 478 459 503 540 619 524
  2011 487 476 491 479 520 474 449 416 373 388 463 504
  2012 489 460 430 444 429 422 374 360 365 509 480 466
  2013 494 506 436 392 457 411 380 418 416 424 471 454
  2014 477 450 506 532 967 1,053 636 574 581 611 544 545
  2015 532 554 569 631 594 827 897 938 854 702 803 722
  2016 765 783 709 711 665 669 517 494 496 588 612 534
  2017 486 520 482 489 384 404 427 414 494 477 463 485
  2018 509 466 379 379 398 364 400 420 440


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 11/30/2018
Next Release Date: 12/31/2018

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