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Download Data (XLS File) |
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| West Coast (PADD 5) Normal Butane-Butylene Stock Change (Thousand Barrels per Day) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1981 | -5 | -2 | -1 | 1 | 1 | 6 | 3 | 0 | 1 | 1 | 1 | -9 |
| 1982 | -4 | -4 | 0 | 3 | 1 | 1 | 4 | 3 | 2 | 1 | 1 | -5 |
| 1983 | -21 | -2 | -1 | 3 | -1 | 6 | 7 | 17 | 1 | 1 | -8 | -12 |
| 1984 | -21 | -5 | 4 | 0 | 3 | 2 | 8 | 12 | 3 | -3 | -13 | -2 |
| 1985 | -6 | -3 | 5 | 9 | 11 | 19 | 5 | 5 | 2 | 1 | -15 | -17 |
| 1986 | -2 | -21 | 9 | 4 | 1 | 3 | 11 | 8 | 16 | -4 | -14 | -8 |
| 1987 | -32 | -8 | 4 | 4 | 3 | 11 | 12 | 9 | 11 | 8 | -15 | -24 |
| 1988 | -22 | -4 | 8 | 9 | 7 | 18 | 10 | 12 | -10 | 20 | -11 | -24 |
| 1989 | -20 | -1 | 19 | 14 | 12 | 7 | 18 | -5 | 7 | -2 | -25 | 10 |
| 1990 | -53 | -9 | 2 | 17 | 10 | 7 | 10 | 17 | 14 | 7 | -31 | -28 |
| 1991 | -9 | -11 | 10 | 1 | 4 | 7 | 9 | 9 | 4 | 14 | -22 | -35 |
| 1992 | -5 | -2 | 6 | 9 | 8 | 17 | 16 | 4 | 8 | 10 | -19 | -27 |
| 1993 | -18 | -4 | 7 | 10 | 16 | 7 | 1 | 22 | -3 | 13 | -17 | -32 |
| 1994 | -26 | -9 | 17 | 4 | 1 | 30 | -3 | 12 | 12 | 8 | -29 | -31 |
| 1995 | -8 | -4 | 5 | 22 | 3 | 11 | 13 | 8 | 17 | 10 | -38 | -20 |
| 1996 | -23 | -3 | 5 | 14 | 3 | 15 | 11 | 14 | 4 | 9 | -35 | -13 |
| 1997 | -37 | -8 | 13 | 12 | 16 | 1 | 10 | 26 | 15 | 12 | -38 | -28 |
| 1998 | -25 | 3 | 19 | 11 | 25 | -1 | 6 | 14 | 11 | -7 | -14 | -46 |
| 1999 | -18 | 0 | 16 | 15 | 14 | -1 | 12 | 15 | -4 | -1 | -34 | -30 |
| 2000 | -15 | -1 | 10 | 27 | 4 | 11 | -6 | 23 | 27 | 8 | -14 | -44 |
| 2001 | -43 | -10 | 13 | 10 | 19 | 24 | 3 | 12 | 32 | 10 | -35 | -32 |
| 2002 | -33 | -7 | 23 | 10 | 2 | -13 | 21 | 9 | 21 | 8 | -36 | -34 |
| 2003 | -15 | -2 | 4 | 21 | 2 | 10 | 10 | 4 | 6 | 9 | -15 | -18 |
| 2004 | -22 | 3 | 9 | -7 | 15 | 1 | -3 | 17 | 11 | 9 | -22 | -32 |
| 2005 | -4 | -4 | 12 | -1 | 10 | 13 | 4 | 7 | 8 | 5 | -8 | -42 |
| 2006 | -12 | 2 | 10 | 22 | 10 | 7 | 7 | 14 | 16 | 14 | -37 | -36 |
| 2007 | -21 | -6 | 17 | 15 | 12 | 18 | 5 | 29 | 26 | 3 | -24 | -36 |
| 2008 | -53 | -15 | 9 | 18 | 38 | 20 | 17 | 22 | 9 | 9 | -28 | -56 |
| 2009 | -30 | -11 | 10 | 10 | 0 | 22 | 17 | 31 | 20 | -16 | -40 | -28 |
| 2010 | -20 | -2 | 20 | 13 | 21 | 21 | 9 | 17 | 12 | 3 | -33 | -40 |
| 2011 | -45 | -16 | 12 | 22 | 10 | 28 | 14 | 29 | 19 | -8 | -47 | -41 |
| 2012 | -1 | -23 | 4 | 16 | 18 | 19 | 17 | 43 | 6 | -9 | -48 | -40 |
| 2013 | -17 | -11 | ||||||||||
| - = 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 |