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| Rocky Mountain (PADD 4) Supply Adjustment of Gasoline Blending Components (Thousand Barrels per Day) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1993 | -3 | -2 | -2 | 0 | 0 | 1 | 1 | 2 | 4 | 4 | 3 | 1 |
| 1994 | 2 | 2 | 3 | 1 | 1 | 1 | 2 | 2 | 3 | 1 | 0 | -1 |
| 1995 | -1 | 0 | 2 | 2 | 2 | 0 | 2 | 8 | 8 | 6 | 8 | 7 |
| 1996 | 7 | 8 | 3 | 6 | 6 | 6 | 6 | 8 | 8 | 10 | 10 | 7 |
| 1997 | 5 | 6 | 6 | 4 | 6 | 8 | 7 | 8 | 9 | 7 | 9 | 7 |
| 1998 | 8 | 5 | 2 | 4 | 5 | 6 | 6 | 6 | 5 | 9 | 8 | 5 |
| 1999 | 5 | 1 | 5 | 1 | 6 | 3 | 0 | -1 | 3 | 4 | 8 | 6 |
| 2000 | 10 | 1 | 7 | 8 | 6 | 5 | 5 | 10 | 10 | 8 | 9 | 10 |
| 2001 | 9 | 10 | 7 | 7 | 10 | 9 | 7 | 7 | 9 | 10 | 11 | 12 |
| 2002 | 10 | 10 | 8 | 6 | 9 | 6 | 10 | 9 | 9 | 5 | 10 | 10 |
| 2003 | 12 | 10 | 7 | 11 | 9 | 7 | 11 | 10 | 13 | 11 | 10 | 10 |
| 2004 | 2 | 3 | -2 | -1 | 3 | 5 | 3 | 1 | -1 | 2 | 1 | 3 |
| 2005 | 2 | 1 | -1 | -2 | 6 | 11 | 11 | 13 | 20 | 18 | 11 | 7 |
| 2006 | 11 | 0 | -1 | 2 | 0 | 6 | 4 | 6 | 6 | 6 | 2 | 9 |
| 2007 | -1 | -7 | -4 | -4 | 6 | 14 | 11 | 7 | 6 | 1 | 7 | 8 |
| 2008 | 6 | 2 | 4 | 14 | 6 | 14 | 5 | 9 | 2 | 0 | 4 | 5 |
| 2009 | -3 | 1 | 2 | 5 | 5 | 4 | 0 | 7 | 13 | -1 | 3 | 6 |
| 2010 | 14 | 4 | 10 | 0 | -1 | -9 | -13 | -7 | -5 | 6 | -1 | -7 |
| 2011 | -11 | -5 | -8 | -20 | -21 | -22 | -37 | -37 | -10 | -19 | -24 | -19 |
| 2012 | -25 | -18 | -13 | -25 | -9 | -12 | -17 | -25 | -7 | -10 | -15 | -12 |
| 2013 | 16 | 14 | -8 | -10 | -17 | 0 | 1 | -14 | -9 | -5 | 1 | 19 |
| 2014 | 15 | 7 | 75 | 64 | 48 | 45 | 49 | 10 | 19 | 6 | 8 | 2 |
| 2015 | 5 | -10 | -14 | -7 | -9 | -18 | -22 | -32 | -14 | -22 | -21 | -22 |
| 2016 | -30 | -17 | -42 | -48 | -26 | -36 | -40 | -35 | -34 | -25 | -32 | -25 |
| 2017 | -22 | -17 | -31 | -33 | -36 | -41 | -43 | -41 | -47 | -50 | -38 | -41 |
| 2018 | -30 | -32 | -39 | -41 | -50 | -41 | -39 | -33 | -41 | -42 | -24 | -46 |
| 2019 | -37 | -47 | -41 | -53 | -50 | -44 | -41 | -55 | -47 | -52 | -41 | -42 |
| 2020 | -42 | -35 | -12 | -32 | -37 | -41 | -49 | -50 | -48 | -44 | -44 | -43 |
| 2021 | -23 | -42 | -34 | -37 | -16 | -30 | -18 | -43 | -14 | -7 | -5 | -10 |
| 2022 | -9 | -5 | -12 | 6 | 2 | -2 | -7 | 1 | -3 | -5 | 10 | 0 |
| 2023 | 8 | 4 | -1 | -4 | 0 | 1 | 7 | -4 | 11 | 26 | 37 | 32 |
| 2024 | 27 | 32 | 32 | 8 | 8 | 24 | 32 | 35 | 33 | 16 | 18 | 28 |
| 2025 | 29 | 23 | 14 | -15 | 41 | 19 | -16 | 11 | ||||
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 10/31/2025 |
| Next Release Date: 11/28/2025 |