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| Refining District Minnesota-Wisconsin-North Dakota-South Dakota Refinery and Blender Net Production of Petroleum Coke (Thousand Barrels per Day) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1993 | 20 | 20 | 20 | 16 | 20 | 20 | 20 | 20 | 21 | 21 | 22 | 23 |
| 1994 | 22 | 21 | 25 | 17 | 22 | 22 | 18 | 21 | 19 | 20 | 21 | 23 |
| 1995 | 23 | 24 | 5 | 23 | 24 | 24 | 18 | 22 | 22 | 21 | 22 | 19 |
| 1996 | 23 | 23 | 21 | 30 | 20 | 21 | 21 | 23 | 25 | 27 | 25 | 28 |
| 1997 | 24 | 26 | 27 | 27 | 25 | 26 | 27 | 25 | 26 | 27 | 27 | 27 |
| 1998 | 26 | 28 | 28 | 27 | 27 | 26 | 23 | 21 | 23 | 25 | 32 | 30 |
| 1999 | 29 | 27 | 23 | 20 | 18 | 25 | 21 | 23 | 20 | 29 | 29 | 32 |
| 2000 | 31 | 31 | 30 | 23 | 19 | 21 | 24 | 21 | 21 | 22 | 26 | 25 |
| 2001 | 26 | 26 | 25 | 26 | 25 | 25 | 17 | 24 | 20 | 24 | 25 | 26 |
| 2002 | 25 | 21 | 21 | 24 | 22 | 22 | 19 | 15 | 24 | 24 | 26 | 25 |
| 2003 | 25 | 23 | 23 | 25 | 23 | 23 | 24 | 22 | 14 | 21 | 24 | 24 |
| 2004 | 25 | 24 | 22 | 24 | 25 | 24 | 25 | 24 | 17 | 22 | 25 | 25 |
| 2005 | 24 | 26 | 25 | 20 | 25 | 24 | 23 | 25 | 18 | 23 | 25 | 25 |
| 2006 | 24 | 26 | 23 | 25 | 24 | 24 | 23 | 22 | 18 | 23 | 24 | 26 |
| 2007 | 25 | 24 | 25 | 22 | 24 | 23 | 23 | 22 | 18 | 21 | 24 | 25 |
| 2008 | 24 | 24 | 23 | 21 | 23 | 24 | 22 | 25 | 15 | 20 | 28 | 19 |
| 2009 | 25 | 18 | 30 | 23 | 16 | 20 | 25 | 24 | 18 | 20 | 25 | 23 |
| 2010 | 23 | 23 | 24 | 23 | 23 | 24 | 24 | 25 | 17 | 24 | 26 | 21 |
| 2011 | 23 | 27 | 23 | 22 | 18 | 25 | 27 | 24 | 17 | 33 | 27 | 26 |
| 2012 | 27 | 25 | 23 | 28 | 27 | 24 | 28 | 26 | 14 | 26 | 24 | 27 |
| 2013 | 24 | 27 | 29 | 23 | 20 | 28 | 24 | 25 | 15 | 22 | 18 | 25 |
| 2014 | 25 | 25 | 24 | 24 | 20 | 24 | 26 | 26 | 24 | 24 | 25 | 26 |
| 2015 | 24 | 26 | 20 | 26 | 22 | 23 | 24 | 26 | 24 | 15 | 24 | 26 |
| 2016 | 26 | 26 | 26 | 22 | 26 | 26 | 27 | 27 | 26 | 32 | 28 | 26 |
| 2017 | 26 | 26 | 29 | 27 | 26 | 28 | 22 | 42 | 21 | 29 | 31 | 38 |
| 2018 | 30 | 28 | 31 | 30 | 27 | 28 | 29 | 41 | 20 | 28 | 30 | 30 |
| 2019 | 27 | 26 | 28 | 26 | 26 | 29 | 39 | 29 | 14 | 20 | 32 | 32 |
| 2020 | 25 | 26 | 31 | 23 | 27 | 25 | 38 | 32 | 30 | 31 | 28 | 30 |
| 2021 | 32 | 32 | 30 | 27 | 28 | 35 | 24 | 31 | 31 | 25 | 31 | 31 |
| 2022 | 30 | 22 | 32 | 28 | 29 | 49 | 28 | 30 | 26 | 31 | 30 | 29 |
| 2023 | 32 | 31 | 30 | 35 | 9 | 31 | 39 | 22 | 19 | 31 | 28 | 29 |
| 2024 | 29 | 31 | 33 | 28 | 31 | 32 | 22 | 34 | 22 | 30 | 33 | 31 |
| 2025 | 28 | 27 | 32 | 18 | 25 | 37 | 27 | 27 | ||||
| - = 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 |