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| Refining District Texas Inland Normal Butane-Butylene Stocks at Natural Gas Processing Plants (Thousand Barrels) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1993 | 43 | 42 | 54 | 42 | 40 | 36 | 46 | 41 | 39 | 38 | 44 | 41 |
| 1994 | 38 | 43 | 34 | 46 | 41 | 55 | 35 | 35 | 30 | 36 | 35 | 33 |
| 1995 | 33 | 31 | 36 | 34 | 32 | 26 | 31 | 27 | 21 | 25 | 37 | 23 |
| 1996 | 28 | 26 | 34 | 27 | 31 | 35 | 21 | 20 | 27 | 26 | 28 | 29 |
| 1997 | 25 | 30 | 26 | 25 | 27 | 20 | 25 | 24 | 28 | 22 | 34 | 30 |
| 1998 | 22 | 21 | 18 | 20 | 24 | 25 | 25 | 20 | 21 | 29 | 30 | 25 |
| 1999 | 28 | 24 | 28 | 28 | 28 | 21 | 30 | 20 | 23 | 25 | 26 | 21 |
| 2000 | 23 | 23 | 25 | 27 | 22 | 25 | 17 | 21 | 29 | 20 | 22 | 27 |
| 2001 | 22 | 27 | 18 | 25 | 21 | 17 | 20 | 24 | 24 | 25 | 26 | 52 |
| 2002 | 46 | 40 | 42 | 41 | 42 | 20 | 83 | 83 | 86 | 82 | 85 | 80 |
| 2003 | 74 | 67 | 72 | 67 | 22 | 17 | 13 | 15 | 17 | 45 | 26 | 26 |
| 2004 | 24 | 27 | 21 | 20 | 22 | 26 | 23 | 16 | 21 | 23 | 17 | 15 |
| 2005 | 16 | 18 | 15 | 13 | 17 | 17 | 14 | 14 | 17 | 16 | 14 | 15 |
| 2006 | 18 | 13 | 16 | 19 | 17 | 14 | 16 | 12 | 17 | 12 | 15 | 17 |
| 2007 | 13 | 15 | 16 | 14 | 12 | 18 | 15 | 11 | 11 | 15 | 21 | 19 |
| 2008 | 25 | 18 | 13 | 12 | 16 | 20 | 17 | 18 | 24 | 24 | 30 | 26 |
| 2009 | 12 | 15 | 13 | 21 | 18 | 10 | 17 | 16 | 35 | 36 | 33 | 29 |
| 2010 | 34 | 16 | 31 | 27 | 76 | 125 | 162 | 123 | 149 | 137 | 50 | 10 |
| 2011 | 11 | 10 | 22 | 23 | 14 | 55 | 64 | 67 | 62 | 49 | 37 | 15 |
| 2012 | 25 | 13 | 15 | 38 | 44 | 63 | 48 | 10 | 13 | 22 | 22 | 31 |
| 2013 | 28 | 43 | 14 | 17 | 17 | 17 | 33 | 50 | 18 | 19 | 66 | 17 |
| 2014 | 62 | 12 | 12 | 22 | 25 | 28 | 11 | 58 | 29 | 17 | 19 | 17 |
| 2015 | 14 | 21 | 34 | 62 | 16 | 14 | 19 | 14 | 34 | 87 | 102 | 101 |
| 2016 | 28 | 30 | 31 | 78 | 50 | 93 | 21 | 64 | 112 | 79 | 53 | 49 |
| 2017 | 31 | 65 | 25 | 18 | 20 | 16 | 16 | 61 | 70 | 59 | 54 | 78 |
| 2018 | 64 | 61 | 40 | 35 | 49 | 35 | 45 | 47 | 35 | 18 | 11 | 9 |
| 2019 | 9 | 13 | 17 | 12 | 15 | 31 | 18 | 31 | 33 | 32 | 31 | 24 |
| 2020 | 16 | 20 | 18 | 15 | 27 | 26 | 14 | 11 | 12 | 14 | 13 | 9 |
| 2021 | 34 | 31 | 27 | 48 | 41 | 33 | 39 | 38 | 27 | 25 | 21 | 21 |
| 2022 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2023 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2024 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2025 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | ||
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 12/31/2025 |
| Next Release Date: 1/30/2026 |