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Note: These data are available in spreadsheet format by clicking the ''Download Series History'' link on the previous page (with drop-down menu bar at top).
 View History:    Monthly     Annual   
East Coast (PADD 1) Normal Butane-Butylene Ending Stocks (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 1,161 867 1,128

Updated on 6/26/2008
Source: U.S. Energy Information Administration
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