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| West Coast (PADD 5) Supply Adjustment of Conventional Motor Gasoline (Thousand Barrels per Day) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1993 | 34 | -3 | 2 | 30 | 16 | 6 | -6 | 26 | 33 | 1 | 34 | 36 |
| 1994 | 19 | -3 | 8 | -5 | 12 | 4 | 16 | 20 | 16 | 7 | 14 | 29 |
| 1995 | -17 | 39 | 9 | 24 | 0 | 11 | -6 | 7 | 5 | 38 | 30 | 19 |
| 1996 | 48 | 29 | 18 | 36 | -4 | 27 | 43 | 3 | 17 | -10 | -1 | 10 |
| 1997 | -14 | 16 | 19 | 13 | 9 | 10 | 3 | 4 | -8 | 21 | 45 | 31 |
| 1998 | 28 | 40 | 58 | 36 | -3 | 42 | -2 | 0 | 16 | 1 | 26 | 2 |
| 1999 | 4 | 9 | -8 | -25 | -23 | 54 | -11 | 6 | -19 | 72 | 52 | 58 |
| 2000 | 45 | 58 | 11 | 2 | -9 | 31 | -1 | -5 | 7 | 13 | 30 | 107 |
| 2001 | -47 | 0 | 40 | -26 | -66 | 7 | 23 | 4 | -19 | 25 | 43 | 63 |
| 2002 | 17 | 59 | 27 | -11 | 22 | -7 | -13 | 3 | 11 | 24 | 6 | 29 |
| 2003 | -117 | -39 | -84 | -14 | 19 | -21 | 35 | 9 | 11 | -10 | -28 | 23 |
| 2004 | -11 | 91 | 55 | 64 | 89 | 42 | 43 | 11 | 70 | 36 | 50 | 44 |
| 2005 | 0 | -49 | -3 | 47 | 8 | 10 | 45 | 50 | 21 | 21 | 21 | 29 |
| 2006 | 11 | -12 | 49 | 55 | 69 | 103 | 101 | 70 | 89 | -18 | 57 | 27 |
| 2007 | 52 | 82 | 87 | 119 | 74 | 91 | 71 | 79 | 60 | 19 | 24 | 30 |
| 2008 | -40 | -11 | -9 | -16 | 66 | 114 | 112 | 78 | 80 | 47 | 41 | 36 |
| 2009 | -69 | -38 | -33 | -2 | -4 | 13 | 3 | -1 | -34 | -42 | -24 | -25 |
| 2010 | -67 | -33 | -59 | -49 | -48 | -13 | -40 | -47 | -57 | -28 | -25 | -30 |
| 2011 | -35 | -59 | -99 | -82 | -28 | -51 | 2 | 13 | -32 | 10 | -67 | -42 |
| 2012 | -5 | -67 | -18 | -6 | -44 | -53 | -60 | -52 | -71 | -80 | -102 | -53 |
| 2013 | -129 | -81 | -42 | -50 | -47 | -81 | -51 | -73 | -93 | -91 | -102 | -58 |
| 2014 | -68 | -50 | -103 | -47 | 1 | -44 | -75 | -47 | -2 | -38 | -26 | -6 |
| 2015 | -6 | 23 | 64 | 69 | 80 | 58 | 49 | 65 | 62 | 58 | 83 | 67 |
| 2016 | 42 | 63 | 51 | 23 | 76 | 33 | 61 | 52 | 28 | 41 | 49 | 69 |
| 2017 | 59 | 40 | 120 | 88 | 31 | 83 | 89 | 34 | 89 | 86 | 64 | 72 |
| 2018 | 114 | 96 | 117 | 90 | 42 | 73 | 39 | 79 | 84 | 58 | 129 | 56 |
| 2019 | 81 | 35 | 74 | 69 | 69 | 83 | 30 | 79 | 11 | 64 | 34 | 49 |
| 2020 | 32 | 53 | 42 | 57 | 62 | 73 | 36 | 6 | 18 | 63 | 36 | 69 |
| 2021 | 20 | 58 | 39 | 24 | 84 | 76 | 98 | 66 | 61 | 60 | 94 | 51 |
| 2022 | -29 | 41 | 43 | 50 | 44 | 48 | 87 | 77 | 21 | 55 | 52 | 59 |
| 2023 | 26 | 40 | 61 | 32 | 68 | 98 | 67 | 29 | 53 | 67 | 34 | 36 |
| 2024 | 39 | 25 | 52 | 45 | 54 | 88 | 57 | 68 | 83 | 70 | 50 | 34 |
| 2025 | 56 | 86 | 86 | 18 | 89 | 84 | 41 | 21 | 108 | 57 | 80 | 60 |
| 2026 | 42 | |||||||||||
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 3/31/2026 |
| Next Release Date: 4/30/2026 |