View History:    Monthly     Annual   
Download Data (XLS File)
U.S. Normal Butane-Butylene Stock Change (Thousand Barrels)
U.S. Normal Butane-Butylene Stock Change (Thousand Barrels)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1981 -1,950 -1,119 -290 2,823 2,106 2,098 2,336 1,917 2,411 -1,139 -4,033 -5,989
  1982 -3,565 -2,641 -3,778 -287 1,648 2,418 1,023 1,801 410 -1,997 -3,145 -3,729
  1983 -3,655 66 1,473 2,619 1,240 1,851 2,293 2,844 577 620 -3,244 -4,813
  1984 -2,032 -2,107 754 765 1,456 504 1,495 904 -584 -2,793 -2,818 -2,229
  1985 -152 -915 -329 1,841 2,462 3,224 1,495 1,362 -655 -1,969 -2,547 -2,540
  1986 -1,110 -1,461 822 1,224 1,280 3,720 3,799 3,732 1,270 -2,003 -5,260 -5,129
  1987 -4,108 -989 539 1,808 617 2,454 2,980 3,503 1,829 -847 -2,709 -4,394
  1988 -2,940 -1,804 535 2,266 2,278 3,057 4,741 4,124 370 529 -3,871 -4,818
  1989 -4,365 -934 538 1,995 3,869 2,680 4,401 3,159 -605 -4,537 -6,064 -4,342
  1990 -3,902 -921 3,201 2,950 5,065 5,152 4,756 5,772 -2,230 -2,989 -8,129 -6,208
  1991 -5,039 -2,253 3,808 4,088 5,347 2,446 3,897 5,129 -927 -1,647 -6,955 -8,245
  1992 -6,465 -1,431 4,385 6,768 5,196 3,363 4,209 5,461 -1,141 -3,373 -7,575 -8,035
  1993 -6,418 -1,037 3,342 4,393 5,727 4,313 4,062 6,348 324 -2,697 -6,413 -7,464
  1994 -7,349 -4,377 1,704 4,133 3,888 5,739 3,737 4,009 -827 -3,286 -5,798 -6,697
  1995 -4,891 -2,723 3,429 4,455 4,131 5,406 5,468 5,679 2,453 -4,801 -8,027 -9,448
  1996 -6,658 -2,751 1,918 4,053 2,109 3,265 4,764 6,487 912 -3,495 -7,832 -5,599
  1997 -4,738 -2,895 1,346 4,974 5,408 6,220 4,780 6,353 -813 -3,744 -6,997 -9,513
  1998 -5,547 -888 1,980 6,297 6,720 5,537 4,729 5,438 838 -4,893 -7,627 -8,812
  1999 -5,954 -2,458 1,463 4,764 6,673 4,491 5,538 5,305 -3,599 -5,714 -3,630 -9,752
  2000 -5,262 -3,191 1,085 4,643 4,841 4,069 4,794 5,471 1,686 -6,109 -4,777 -7,404
  2001 -6,216 -1,778 1,599 3,900 5,428 6,591 5,035 6,669 1,740 -3,947 -6,996 -6,385
  2002 -7,064 -3,089 1,763 4,707 4,398 4,552 5,472 6,759 -602 -3,601 -8,828 -7,012
  2003 -5,875 -3,914 90 3,738 4,685 5,096 4,548 3,853 -785 -2,062 -5,412 -5,795
  2004 -3,897 -3,100 774 1,999 6,346 4,979 6,500 6,898 69 -4,005 -8,022 -7,315
  2005 -5,501 -2,590 1,761 7,126 7,843 7,040 7,506 4,529 -5,152 -6,694 -8,522 -8,085
  2006 -4,721 -1,440 973 5,697 5,656 4,986 5,118 5,451 433 -2,044 -8,417 -7,724
  2007 -6,518 -4,079 1,121 4,117 6,774 6,030 3,759 6,381 127 -5,247 -8,338 -7,100
  2008 -5,701 -2,675 1,409 6,014 8,108 6,618 4,764 5,638 905 -6,450 -8,713 -8,748
  2009 -7,122 -2,549 1,692 7,054 7,103 7,003 6,946 7,464 -848 -6,031 -11,368 -8,226
  2010 -6,145 -3,440 1,860 4,296 5,955 7,470 6,324 7,616 496 -3,480 -7,489 -9,960
  2011 -5,036 -5,447 1,203 5,772 6,361 7,305 7,686 6,466 -129 -4,251 -10,211 -10,592
  2012 -5,768 -4,276 1,663 5,777 8,665 8,999 7,851 7,149 -63 -6,917 -10,979 -10,306
  2013 -6,035 -4,523 922 6,078 9,272 8,501 7,367 7,958 943 -5,715 -11,831 -11,223
  2014 -9,514 -3,921 1,718 7,098 8,793 9,268 10,870 7,985


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 10/30/2014
Next Release Date: Last Week of November 2014

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