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| Gulf Coast (PADD 3) Stock Change of Isobutane (Thousand Barrels) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2010 | -202 | -85 | -99 | -90 | 324 | 371 | 434 | 163 | 825 | 10 | -1,341 | -305 |
| 2011 | -22 | -188 | 236 | 98 | 463 | -148 | -331 | -482 | -245 | -79 | 317 | 339 |
| 2012 | 708 | -381 | 278 | 419 | -277 | -212 | 503 | -37 | 309 | -39 | 336 | -465 |
| 2013 | -111 | 189 | 464 | 951 | 362 | -55 | 21 | -62 | 577 | -1,878 | -202 | -212 |
| 2014 | -732 | 173 | -321 | 130 | -245 | 506 | 384 | 1,029 | 104 | -117 | -183 | -95 |
| 2015 | -280 | -325 | 338 | 278 | 377 | -235 | 372 | -334 | 143 | 350 | -354 | -540 |
| 2016 | -332 | 631 | 60 | -206 | -493 | 49 | -377 | 252 | -292 | 217 | -455 | 583 |
| 2017 | -41 | 660 | 335 | -60 | 25 | -170 | -646 | 594 | 994 | 54 | -1,058 | -656 |
| 2018 | 213 | -553 | 615 | 199 | -535 | 430 | 615 | 95 | 449 | -590 | -464 | -134 |
| 2019 | 247 | 484 | 602 | 790 | 101 | -46 | -40 | 118 | 96 | 210 | -96 | 302 |
| 2020 | -703 | 1,082 | 809 | 1,447 | -694 | -1,269 | -53 | 851 | 395 | -34 | -870 | -15 |
| 2021 | -1,518 | -32 | 33 | 202 | -1,374 | 195 | 426 | 67 | -141 | 1,206 | -66 | -2,009 |
| 2022 | -428 | -148 | 68 | 312 | 603 | -411 | 623 | 735 | 169 | 951 | -119 | 542 |
| 2023 | -593 | -904 | 901 | 696 | 1,406 | -50 | -786 | 32 | -336 | -598 | -281 | -1,236 |
| 2024 | -299 | 500 | -874 | -263 | 370 | -156 | 716 | 269 | 163 | 964 | 474 | -501 |
| 2025 | -515 | -199 | 1,471 | 614 | -96 | -934 | 150 | 790 | 323 | 414 | -433 | |
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 2/6/2026 |
| Next Release Date: 2/27/2026 |