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| Refining District East Coast Refinery and Blender Net Production of Normal Butane-Butylene (Thousand Barrels per Day) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1993 | -7 | -7 | 6 | 18 | 13 | 16 | 14 | 14 | -7 | -15 | -7 | -8 |
| 1994 | -6 | -7 | 9 | 17 | 15 | 9 | 12 | 16 | -4 | -9 | -21 | -10 |
| 1995 | -13 | -6 | 9 | 27 | 21 | 22 | 17 | 13 | -5 | -18 | -13 | -11 |
| 1996 | -14 | -11 | -1 | 17 | 15 | 17 | 11 | 15 | -7 | -6 | -19 | -19 |
| 1997 | -3 | -4 | 3 | 17 | 12 | 12 | 17 | 14 | -15 | -22 | -29 | -32 |
| 1998 | -26 | -14 | -8 | 14 | 15 | 12 | 15 | 11 | -10 | -8 | -19 | -14 |
| 1999 | -23 | -25 | -1 | 22 | 14 | 11 | 13 | 14 | -14 | -23 | -26 | -34 |
| 2000 | -20 | 2 | -11 | 24 | 18 | 16 | 26 | 20 | -13 | -10 | -24 | -12 |
| 2001 | -6 | -8 | -2 | 21 | 23 | 24 | 20 | 21 | -9 | -14 | -21 | -10 |
| 2002 | -13 | -10 | -5 | 26 | 25 | 25 | 24 | 28 | -6 | -19 | -27 | -7 |
| 2003 | -13 | -11 | 1 | 27 | 32 | 25 | 34 | 27 | -8 | -18 | -31 | -22 |
| 2004 | -12 | -21 | 0 | 27 | 22 | 26 | 24 | 17 | -14 | -23 | -28 | -20 |
| 2005 | -15 | -15 | 1 | 32 | 22 | 24 | 29 | 19 | -25 | -33 | -39 | -21 |
| 2006 | -18 | -14 | 0 | 18 | 22 | 13 | 22 | 24 | -8 | -19 | -32 | -40 |
| 2007 | -34 | -14 | -4 | 20 | 26 | 27 | 24 | 29 | -14 | -25 | -32 | -11 |
| 2008 | -15 | -22 | -2 | 21 | 24 | 31 | 28 | 21 | -12 | -26 | -34 | -23 |
| 2009 | -9 | -13 | -8 | 23 | 23 | 37 | 29 | 23 | -7 | -14 | -34 | -16 |
| 2010 | -1 | -3 | 4 | 10 | 16 | 18 | 19 | 20 | -9 | -9 | -23 | -20 |
| 2011 | -9 | 0 | 5 | 17 | 26 | 29 | 22 | 28 | -10 | -11 | -19 | -13 |
| 2012 | -10 | -1 | 1 | 11 | 19 | 20 | 25 | 21 | -15 | -18 | -7 | -6 |
| 2013 | 0 | -3 | -1 | 13 | 20 | 20 | 19 | 18 | -12 | -16 | -16 | -10 |
| 2014 | -6 | -5 | -7 | 13 | 20 | 23 | 24 | 21 | -16 | -17 | -18 | -8 |
| 2015 | -5 | -4 | -3 | 12 | 17 | 19 | 15 | 11 | -2 | -4 | -7 | -24 |
| 2016 | -19 | -23 | -16 | 8 | 17 | 13 | 10 | 17 | -14 | -11 | -25 | -28 |
| 2017 | -23 | -22 | -8 | 11 | 19 | 18 | 16 | 13 | -24 | -23 | -23 | -25 |
| 2018 | -7 | -8 | -3 | 11 | 17 | 18 | 17 | 15 | -5 | -8 | -5 | -9 |
| 2019 | -13 | -5 | -5 | 12 | 21 | 12 | 14 | 8 | 0 | -7 | -13 | -15 |
| 2020 | -9 | -8 | -3 | 1 | 5 | 5 | 5 | 2 | -12 | -13 | -21 | -12 |
| 2021 | -17 | -14 | -14 | 7 | 5 | 8 | 7 | 6 | -11 | -14 | -20 | -17 |
| 2022 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2023 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2024 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2025 | -- | -- | -- | -- | -- | -- | -- | -- | ||||
| - = 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 |