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Download Data (XLS File) |
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| Refining District Minnesota-Wisconsin-North Dakota-South Dakota Refinery Stocks of Propylene (Thousand Barrels) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2010 | 10 | 9 | 4 | 11 | 16 | 9 | 6 | 5 | 2 | 6 | 5 | 6 |
| 2011 | 4 | 5 | 4 | 5 | 6 | 5 | 3 | 3 | 3 | 4 | 2 | 2 |
| 2012 | 1 | 1 | 1 | 1 | 2 | 1 | 0 | 0 | 1 | 2 | 2 | 0 |
| 2013 | 3 | 2 | 3 | 4 | 3 | 3 | 2 | 4 | 1 | 0 | 4 | 9 |
| 2014 | 7 | 3 | 4 | 4 | 2 | 4 | 5 | 4 | 4 | 2 | 4 | 3 |
| 2015 | 4 | 4 | 4 | 10 | 24 | 13 | 12 | 15 | 17 | 21 | 27 | 16 |
| 2016 | 25 | 23 | 18 | 29 | 30 | 22 | 27 | 18 | 20 | 24 | 26 | 23 |
| 2017 | 33 | 30 | 23 | 32 | 24 | 15 | 14 | 22 | 26 | 31 | 32 | 29 |
| 2018 | 26 | 17 | 21 | 26 | 14 | 19 | 21 | 18 | 32 | 26 | 28 | 27 |
| 2019 | 36 | 29 | 19 | 14 | 17 | 19 | 15 | 17 | 3 | 15 | 22 | 19 |
| 2020 | 6 | 5 | 11 | 19 | 28 | 18 | 20 | 18 | 20 | 21 | 27 | 17 |
| 2021 | 28 | 31 | 19 | 13 | 14 | 9 | 12 | 13 | 11 | 15 | 18 | 18 |
| 2022 | 23 | 20 | 13 | 18 | 17 | 9 | 23 | 10 | 8 | 20 | 13 | 29 |
| 2023 | 13 | 17 | 14 | 25 | 21 | 19 | 21 | 13 | 26 | 28 | 42 | 38 |
| 2024 | 19 | 32 | 31 | 12 | 27 | 18 | 19 | 23 | 20 | 21 | 20 | 44 |
| 2025 | 36 | 33 | 40 | 23 | 24 | 34 | 36 | 32 | ||||
| - = 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 |