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| West Coast (PADD 5) Pentanes Plus Stocks at Natural Gas Processing Plants (Thousand Barrels) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1993 | 14 | 12 | 16 | 18 | 13 | 15 | 13 | 12 | 14 | 10 | 10 | 11 |
| 1994 | 12 | 14 | 12 | 14 | 15 | 14 | 16 | 14 | 10 | 15 | 12 | 16 |
| 1995 | 16 | 14 | 17 | 18 | 15 | 19 | 17 | 13 | 12 | 16 | 15 | 16 |
| 1996 | 14 | 12 | 15 | 15 | 14 | 16 | 16 | 17 | 17 | 16 | 16 | 18 |
| 1997 | 17 | 14 | 22 | 21 | 17 | 17 | 16 | 17 | 21 | 19 | 17 | 20 |
| 1998 | 20 | 19 | 18 | 22 | 22 | 25 | 24 | 20 | 23 | 17 | 19 | 21 |
| 1999 | 20 | 18 | 20 | 20 | 23 | 26 | 23 | 21 | 22 | 18 | 17 | 19 |
| 2000 | 18 | 17 | 21 | 20 | 10 | 18 | 15 | 15 | 13 | 11 | 13 | 12 |
| 2001 | 13 | 17 | 18 | 17 | 32 | 27 | 23 | 20 | 13 | 11 | 11 | 17 |
| 2002 | 19 | 20 | 19 | 27 | 17 | 19 | 18 | 23 | 20 | 19 | 13 | 11 |
| 2003 | 18 | 14 | 18 | 15 | 21 | 14 | 16 | 25 | 18 | 17 | 17 | 20 |
| 2004 | 24 | 20 | 35 | 43 | 28 | 29 | 27 | 27 | 24 | 20 | 18 | 15 |
| 2005 | 16 | 17 | 24 | 18 | 23 | 25 | 19 | 13 | 12 | 10 | 14 | 11 |
| 2006 | 13 | 19 | 12 | 15 | 19 | 27 | 11 | 15 | 19 | 16 | 11 | 8 |
| 2007 | 15 | 21 | 15 | 18 | 19 | 15 | 22 | 14 | 20 | 49 | 7 | 11 |
| 2008 | 8 | 24 | 23 | 20 | 19 | 36 | 33 | 34 | 32 | 45 | 31 | 36 |
| 2009 | 36 | 18 | 34 | 26 | 38 | 46 | 46 | 26 | 33 | 17 | 17 | 31 |
| 2010 | 17 | 28 | 42 | 26 | 44 | 45 | 37 | 25 | 23 | 36 | 17 | 16 |
| 2011 | 25 | 20 | 33 | 40 | 24 | 52 | 58 | 67 | 43 | 26 | 23 | 25 |
| 2012 | 25 | 21 | 24 | 52 | 42 | 39 | 54 | 62 | 44 | 25 | 25 | 35 |
| 2013 | 35 | 46 | 64 | 94 | 74 | 90 | 105 | 97 | 108 | 74 | 45 | 39 |
| 2014 | 13 | 38 | 43 | 43 | 74 | 95 | 77 | 63 | 64 | 46 | 48 | 58 |
| 2015 | 59 | 42 | 51 | 55 | 65 | 56 | 58 | 63 | 35 | 52 | 29 | 30 |
| 2016 | 29 | 28 | 52 | 50 | 50 | 51 | 58 | 48 | 55 | 49 | 31 | 27 |
| 2017 | 30 | 42 | 37 | 39 | 55 | 78 | 35 | 66 | 47 | 39 | 25 | 26 |
| 2018 | 16 | 21 | 43 | 49 | 54 | 62 | 40 | 26 | 35 | 47 | 34 | 29 |
| 2019 | 23 | 36 | 33 | 46 | 47 | 33 | 42 | 42 | 45 | 40 | 36 | 33 |
| 2020 | 40 | 44 | 42 | 46 | 41 | 48 | 58 | 49 | 48 | 55 | 42 | 36 |
| 2021 | 38 | 37 | 42 | 41 | 48 | 54 | 50 | 53 | 48 | 39 | 44 | 35 |
| 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 |