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| Refining District Indiana-Illinois-Kentucky Refinery and Blender Net Production of Normal Butane (Thousand Barrels per Day) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1993 | -10 | -4 | 15 | 24 | 22 | 25 | 21 | 21 | 5 | -9 | -8 | 4 |
| 1994 | -7 | -5 | 11 | 29 | 15 | 24 | 22 | 20 | 3 | -4 | -8 | 0 |
| 1995 | W | W | W | W | W | W | W | W | W | W | W | W |
| 1996 | W | W | W | W | W | W | W | W | W | W | W | W |
| 1997 | W | W | W | W | W | W | W | W | W | W | W | W |
| 1998 | W | W | W | W | W | W | W | W | W | W | W | W |
| 1999 | W | W | W | W | W | W | W | W | W | W | W | W |
| 2000 | W | W | W | W | W | W | W | W | W | W | W | W |
| 2001 | W | W | W | W | W | W | W | W | W | W | W | W |
| 2002 | W | W | W | W | W | W | W | W | W | W | W | W |
| 2003 | W | W | W | W | W | W | W | W | W | W | W | W |
| 2004 | -15 | -17 | -5 | 32 | 43 | 41 | 38 | 37 | 11 | -16 | -15 | -9 |
| 2005 | -18 | -4 | 3 | 35 | 39 | 52 | 51 | 40 | -9 | -14 | -21 | -8 |
| 2006 | -5 | -7 | 4 | 49 | 59 | 64 | 56 | 59 | 17 | 18 | 4 | -5 |
| 2007 | -7 | -5 | 11 | 55 | 65 | 68 | 63 | 60 | 23 | -6 | -16 | -19 |
| 2008 | -6 | -8 | 10 | 53 | 63 | 63 | 55 | 56 | 13 | -2 | -25 | -14 |
| 2009 | -17 | -12 | 4 | 46 | 62 | 64 | 61 | 57 | 15 | -21 | -32 | -20 |
| 2010 | -25 | -18 | 11 | 44 | 66 | 59 | 63 | 61 | 3 | -15 | -26 | -20 |
| 2011 | -27 | -22 | 4 | 57 | 59 | 67 | 69 | 59 | 14 | -17 | -42 | -33 |
| 2012 | -31 | -22 | 19 | 59 | 64 | 62 | 63 | 59 | 14 | -15 | -30 | -33 |
| 2013 | -31 | -28 | -1 | 51 | 60 | 65 | 67 | 62 | 16 | -21 | -43 | -42 |
| 2014 | -31 | -29 | 11 | 58 | 79 | 63 | 75 | 60 | 13 | -11 | -35 | -48 |
| 2015 | -35 | -37 | 5 | 59 | 72 | 73 | 66 | 63 | 9 | -35 | -59 | -41 |
| 2016 | -48 | -32 | 3 | 53 | 65 | 73 | 71 | 69 | 4 | -20 | -42 | -45 |
| 2017 | -44 | -23 | 4 | 51 | 63 | 74 | 68 | 63 | -13 | -18 | -63 | -55 |
| 2018 | -40 | -38 | -3 | 49 | 73 | 62 | 58 | 53 | -2 | -48 | -56 | -50 |
| 2019 | -44 | -33 | 2 | 54 | 69 | 73 | 74 | 67 | 13 | -34 | -63 | -33 |
| 2020 | -41 | -31 | 4 | 53 | 55 | 57 | 50 | 51 | 11 | -32 | -56 | -42 |
| 2021 | -44 | -21 | 4 | 55 | 72 | 67 | 65 | 56 | 5 | -35 | -49 | -46 |
| 2022 | -38 | -28 | 3 | 51 | 69 | 67 | 68 | 53 | 9 | -32 | -41 | -40 |
| 2023 | -38 | -38 | 1 | 60 | 58 | 89 | 68 | 66 | 9 | -40 | -48 | -55 |
| 2024 | -35 | -19 | -2 | 47 | 69 | 68 | 59 | 50 | 5 | -42 | -58 | -68 |
| 2025 | -62 | -36 | 1 | 62 | 71 | 76 | 72 | 67 | 19 | |||
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 11/28/2025 |
| Next Release Date: 12/31/2025 |