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Download Data (XLS File)
Midwest (PADD 2) Normal Butane-Butylene Stock Change (Thousand Barrels)
Midwest (PADD 2) Normal Butane-Butylene Stock Change (Thousand Barrels)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1981 -123 -950 -231 415 666 1,078 1,313 778 175 -934 -1,193 -1,743
  1982 -1,138 -535 -711 305 412 712 -275 467 -258 -636 -789 -407
  1983 -251 488 96 137 172 1,091 262 982 -141 -461 -1,132 -649
  1984 -889 -165 39 162 538 3 264 -69 470 -563 -242 -639
  1985 -140 -679 107 25 597 810 1,047 517 -87 -485 -848 -94
  1986 -729 -177 -370 161 446 652 451 738 438 212 -494 -1,195
  1987 -844 -568 -321 325 516 300 534 450 179 74 -644 -405
  1988 -56 -414 147 625 692 978 963 864 269 -309 -1,071 -1,038
  1989 -1,453 -287 -26 594 1,128 770 1,199 1,207 189 -1,829 -1,227 -2,010
  1990 -903 -384 954 18 1,114 1,161 1,215 1,473 390 -441 -1,489 -1,982
  1991 -1,651 -700 844 1,069 1,291 1,152 1,269 1,259 110 -710 -1,830 -1,890
  1992 -1,896 -136 1,185 1,537 1,938 1,093 1,596 1,355 348 -1,476 -2,102 -3,002
  1993 -1,786 -779 528 1,285 1,355 1,613 1,785 1,261 325 -1,918 -1,355 -1,656
  1994 -1,712 -1,456 323 1,374 963 1,211 1,649 1,215 256 -1,327 -1,718 -2,730
  1995 -1,416 -591 217 1,296 1,247 998 1,291 1,376 2,566 -1,250 -1,619 -2,660
  1996 -1,653 -1,519 -5 1,401 1,005 663 1,160 993 -82 156 -1,173 -1,300
  1997 -1,636 -661 -755 669 1,526 1,306 1,395 1,484 53 -829 -1,824 -1,507
  1998 -1,497 -513 -59 2,127 1,629 1,534 1,157 827 -292 -1,061 -1,614 -1,955
  1999 -851 -1,175 -210 1,168 1,095 1,760 1,418 1,383 -371 -793 -1,189 -2,110
  2000 -1,564 -1,234 -170 1,583 1,622 1,593 1,550 1,838 310 -1,154 -1,400 -1,924
  2001 -2,212 -1,382 -326 1,290 1,603 2,295 2,159 2,042 448 -1,250 -2,458 -2,200
  2002 -2,589 -1,545 242 1,611 1,942 1,911 2,280 2,509 173 -1,793 -3,250 -2,063
  2003 -2,124 -1,407 -246 1,491 1,699 1,581 2,317 2,130 275 -1,126 -2,169 -2,303
  2004 -1,483 -1,679 -187 1,303 2,026 1,654 2,392 1,936 578 -1,487 -2,380 -2,576
  2005 -2,283 -708 114 1,817 1,826 2,027 2,063 2,017 -805 -1,620 -2,017 -2,707
  2006 -1,214 -1,043 291 2,117 2,040 2,090 2,342 1,423 511 -855 -2,928 -2,181
  2007 -1,881 -1,604 -229 1,707 2,373 1,631 1,833 3,009 98 -1,199 -2,538 -3,134
  2008 -2,286 -1,985 -92 1,795 2,186 2,501 1,710 2,103 53 -1,261 -3,084 -2,976
  2009 -1,991 -1,563 -412 2,167 2,507 2,885 3,174 2,875 -339 -2,609 -3,555 -2,557
  2010 -2,388 -1,741 -187 1,647 2,741 2,215 3,057 3,601 506 -1,795 -2,285 -2,847
  2011 -2,998 -2,719 -135 2,671 2,811 3,196 3,272 2,618 688 -1,386 -3,389 -4,296
  2012 -2,976 -2,470 62 2,024 2,697 2,537 2,529 3,052 543 -1,870 -3,559 -3,923
  2013 -2,564 -1,510 -174 1,553 2,608 3,107 3,546 3,812 651 -1,851 -4,057 -4,373
  2014 -2,756 -2,415 237 1,890


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 6/27/2014
Next Release Date: Last Week of July 2014

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