View History:    Monthly     Annual   
Download Data (XLS File)
West Coast (PADD 5) Refinery and Blender Net Input of Isobutane-Isobutylene (Thousand Barrels per Day)
West Coast (PADD 5) Refinery and Blender Net Input of Isobutane-Isobutylene (Thousand Barrels per Day)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1981 5 6 9 7 9 8 8 7 7 10 7 9
  1982 11 7 10 10 9 11 12 9 12 8 9 8
  1983 6 8 5 4 3 6 5 4 3 6 5 4
  1984 4 7 7 9 4 8 6 6 10 6 6 7
  1985 7 3 3 11 8 10 10 12 10 6 3 6
  1986 8 9 7 10 13 12 10 8 11 8 3 6
  1987 4 9 8 10 9 7 9 9 8 6 7 5
  1988 9 12 10 11 16 15 15 12 13 10 9 12
  1989 13 9 11 12 10 12 12 11 11 13 11 12
  1990 15 12 7 8 8 8 12 13 14 16 20 14
  1991 15 13 12 15 19 18 18 19 19 23 20 18
  1992 17 21 17 19 18 18 15 20 18 22 21 25
  1993 17 18 20 23 18 21 20 23 19 19 17 18
  1994 18 21 17 17 18 21 18 17 19 21 17 21
  1995 15 13 16 17 19 16 18 15 15 21 16 15
  1996 15 19 18 15 16 17 17 14 19 20 19 14
  1997 14 15 16 20 21 20 18 19 17 15 13 15
  1998 13 11 12 18 13 18 16 15 17 18 17 15
  1999 17 12 13 12 13 16 13 11 14 15 13 12
  2000 14 16 14 11 11 12 12 11 13 10 10 10
  2001 16 14 16 18 14 11 13 12 11 13 15 9
  2002 12 14 13 13 13 11 12 11 10 11 12 14
  2003 16 13 12 13 13 10 12 11 12 11 13 14
  2004 10 10 13 17 17 11 12 15 12 13 14 14
  2005 14 15 13 14 15 10 10 13 13 14 16 15
  2006 23 25 26 26 29 26 17 24 18 20 21 23
  2007 17 28 26 27 25 24 24 21 18 21 23 20
  2008 19 23 22 15 19 22 18 18 17 19 20 21
  2009 15 23 22 23 23 18 17 19 22 23 23 22
  2010 21 18 11 11 15 18 14 15 16 17 14 16
  2011 17 20 17 20 18 19 15 20 20 17 22 15
  2012 18 16 18 17 13 19 17 19 28 27 22 22
  2013 22 24

- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 4/29/2013
Next Release Date: Last Week of May 2013

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