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East Coast (PADD 1) Ending Stocks of Normal Butane-Butylene (Thousand Barrels)
East Coast (PADD 1) Ending Stocks of Normal Butane-Butylene (Thousand Barrels)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1981 419 328 366 518 463 567 529 529 610 628 517 727
  1982 614 385 242 336 397 632 704 758 741 691 539 539
  1983 429 399 279 305 363 358 403 533 545 601 591 384
  1984 339 264 255 275 341 414 535 401 440 352 570 362
  1985 545 520 349 524 727 812 666 663 698 773 735 771
  1986 678 628 536 529 528 669 694 568 301 442 338 452
  1987 490 561 569 744 987 628 777 1,036 1,018 820 581 777
  1988 831 768 718 631 682 898 996 909 869 637 558 840
  1989 736 737 492 438 432 706 1,055 1,306 1,031 857 759 805
  1990 1,127 593 1,029 1,076 1,356 1,830 2,192 2,091 1,849 1,920 1,768 1,160
  1991 648 550 708 1,034 1,187 1,510 1,936 2,501 2,186 2,324 1,633 1,233
  1992 757 509 786 1,123 1,359 1,828 2,368 2,830 2,441 2,063 1,445 1,102
  1993 928 814 941 1,351 1,649 1,985 2,269 2,777 2,726 2,497 1,874 1,444
  1994 892 700 841 1,329 1,704 1,880 2,095 2,618 2,542 2,463 1,935 1,446
  1995 874 651 649 1,218 1,772 2,298 2,694 3,118 2,839 2,242 1,852 1,521
  1996 1,141 695 644 1,064 1,479 1,807 2,197 2,664 2,430 2,188 1,579 947
  1997 866 654 719 1,110 1,398 1,758 2,124 2,611 2,258 2,261 1,783 1,369
  1998 821 713 541 1,053 1,461 1,720 2,238 2,810 2,560 2,469 2,072 1,871
  1999 1,357 683 605 1,202 1,578 1,715 2,055 2,499 2,033 1,626 1,782 1,526
  2000 826 1,042 591 1,060 1,270 1,372 2,097 2,578 2,203 1,952 1,385 996
  2001 822 826 663 866 1,385 1,846 2,090 2,606 2,351 1,876 1,546 1,477
  2002 1,147 811 492 990 1,437 1,845 2,044 2,599 2,238 1,890 1,303 1,149
  2003 748 532 330 748 1,144 1,333 2,022 2,595 2,466 1,969 1,272 1,141
  2004 1,109 611 455 856 1,247 1,660 2,077 2,501 2,259 2,087 1,475 924
  2005 789 642 711 1,290 1,575 2,047 2,425 2,607 2,407 1,764 1,102 866
  2006 827 583 664 1,058 1,566 1,541 1,708 2,846 2,767 2,321 1,821 1,722
  2007 1,129 834 606 951 1,523 2,195 2,817 3,439 2,983 1,999 1,547 1,708
  2008 1,660 1,149 867 1,128 1,667 2,275 2,968 3,639 3,322 2,403 1,729 1,798
  2009 1,503 1,119 819 1,289 1,783 2,710 3,180 3,456 3,487 3,008 1,981 1,209
  2010 1,303 1,049 1,090 1,249 1,655 2,156 2,622 3,133 2,633 2,176 2,121 1,519
  2011 1,134 814 856 1,319 1,985 2,751 2,981 3,352 3,355 3,183 2,335 1,703
  2012 1,442 897 547 641 1,107 1,472 2,015 2,382 1,868 1,320 1,273 837
  2013 785 532 443 702 1,153 1,474 1,755 1,929 1,675 1,588 1,147 1,043
  2014 729 649 399 644 964 1,244 1,587 1,909 1,816 1,952 1,390 1,291
  2015 1,126 1,061 1,122 1,032 1,295 1,872 2,138 2,352 2,157 1,817 1,401 1,040
  2016 986 867 607 858 1,402 1,596 1,806 2,427 2,034 1,768 1,261 972
  2017 1,029 899 865 1,310 1,904 2,343 2,686 2,782 2,561 2,357 1,924 1,504
  2018 995 627 799 1,000 1,463 1,880 2,364 2,630 2,316 2,165 1,912 1,527
  2019 1,348 1,699 1,784 1,625 2,431 2,480 2,722 3,056 2,680 2,038 1,553 1,642
  2020 1,718 1,184 1,410 2,220 2,170 2,834 2,549 3,187 2,603 2,359 1,904 2,048
  2021 1,626 1,325 1,348 1,447 1,752 1,736 2,181 1,774 1,864 1,545 1,348 1,527
  2022 -- -- -- -- -- -- -- -- -- -- -- --
  2023 -- -- -- -- -- -- -- -- -- -- -- --
  2024 -- -- -- -- -- -- -- -- -- -- -- --

- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 2/28/2025
Next Release Date: 3/31/2025

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