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West Coast (PADD 5) Ending Stocks of Isobutane-Isobutylene (Thousand Barrels) | ||||||||
Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
---|---|---|---|---|---|---|---|---|---|---|---|---|
1981 | 274 | 229 | 129 | 90 | 112 | 285 | 390 | 401 | 440 | 374 | 409 | 327 |
1982 | 279 | 228 | 198 | 105 | 32 | 50 | 28 | 49 | 47 | 64 | 42 | 102 |
1983 | 135 | 103 | 127 | 146 | 126 | 186 | 306 | 182 | 210 | 178 | 155 | 192 |
1984 | 239 | 176 | 146 | 128 | 236 | 236 | 260 | 274 | 236 | 211 | 214 | 238 |
1985 | 228 | 229 | 256 | 215 | 229 | 239 | 252 | 210 | 181 | 193 | 106 | 202 |
1986 | 116 | 103 | 341 | 476 | 386 | 256 | 350 | 247 | 227 | 152 | 182 | 166 |
1987 | 128 | 139 | 154 | 131 | 178 | 204 | 223 | 277 | 300 | 296 | 334 | 315 |
1988 | 356 | 313 | 306 | 235 | 167 | 185 | 232 | 269 | 968 | 641 | 486 | 367 |
1989 | 432 | 415 | 281 | 445 | 459 | 495 | 533 | 577 | 587 | 465 | 408 | 263 |
1990 | 350 | 323 | 266 | 283 | 372 | 355 | 441 | 370 | 404 | 372 | 277 | 253 |
1991 | 367 | 400 | 480 | 359 | 423 | 493 | 437 | 513 | 481 | 383 | 336 | 314 |
1992 | 387 | 385 | 351 | 337 | 444 | 498 | 471 | 499 | 524 | 492 | 377 | 349 |
1993 | 428 | 415 | 539 | 548 | 611 | 681 | 678 | 628 | 596 | 614 | 563 | 652 |
1994 | 520 | 500 | 508 | 497 | 465 | 519 | 637 | 704 | 589 | 521 | 497 | 467 |
1995 | 457 | 450 | 524 | 431 | 452 | 503 | 580 | 590 | 662 | 601 | 568 | 452 |
1996 | 436 | 486 | 392 | 565 | 350 | 568 | 453 | 515 | 618 | 663 | 497 | 377 |
1997 | 352 | 476 | 425 | 440 | 480 | 567 | 602 | 526 | 658 | 734 | 654 | 519 |
1998 | 505 | 598 | 547 | 466 | 446 | 586 | 597 | 524 | 499 | 575 | 416 | 371 |
1999 | 324 | 454 | 453 | 500 | 428 | 428 | 631 | 479 | 563 | 532 | 509 | 334 |
2000 | 237 | 350 | 357 | 445 | 410 | 464 | 689 | 572 | 430 | 468 | 501 | 528 |
2001 | 390 | 290 | 435 | 461 | 565 | 499 | 525 | 439 | 426 | 460 | 443 | 352 |
2002 | 281 | 287 | 403 | 446 | 460 | 488 | 387 | 428 | 418 | 562 | 382 | 266 |
2003 | 288 | 354 | 454 | 552 | 427 | 563 | 465 | 555 | 682 | 731 | 705 | 562 |
2004 | 545 | 453 | 373 | 409 | 500 | 507 | 500 | 551 | 694 | 548 | 576 | 612 |
2005 | 594 | 647 | 537 | 595 | 454 | 536 | 493 | 561 | 680 | 672 | 604 | 418 |
2006 | 511 | 586 | 608 | 602 | 681 | 725 | 691 | 576 | 554 | 379 | 454 | 460 |
2007 | 330 | 499 | 533 | 654 | 712 | 618 | 581 | 576 | 591 | 470 | 507 | 483 |
2008 | 776 | 588 | 732 | 611 | 615 | 508 | 446 | 538 | 469 | 470 | 365 | 446 |
2009 | 460 | 701 | 574 | 541 | 579 | 609 | 518 | 588 | 510 | 517 | 454 | 472 |
2010 | 600 | 615 | 536 | 623 | 551 | 623 | 587 | 492 | 524 | 594 | 550 | 525 |
2011 | 508 | 640 | 555 | 791 | 606 | 617 | 633 | 575 | 602 | 374 | 565 | 559 |
2012 | 569 | 544 | 635 | 734 | 656 | 630 | 712 | 621 | 678 | 701 | 543 | 519 |
2013 | 576 | 819 | 721 | 579 | 573 | 668 | 489 | 413 | 567 | 565 | 603 | 456 |
2014 | 498 | 693 | 733 | 716 | 612 | 680 | 733 | 602 | 592 | 546 | 536 | 463 |
2015 | 520 | 613 | 633 | 612 | 531 | 488 | 519 | 505 | 573 | 505 | 500 | 463 |
2016 | 467 | 546 | 586 | 531 | 658 | 624 | 707 | 602 | 672 | 462 | 460 | 472 |
2017 | 493 | 524 | 444 | 470 | 487 | 503 | 471 | 558 | 531 | 597 | 549 | 416 |
2018 | 444 | 540 | 759 | 610 | 547 | 557 | 511 | 486 | 560 | 379 | 396 | 404 |
2019 | 367 | 399 | 416 | 486 | 469 | 497 | 584 | 524 | 473 | 416 | 457 | 388 |
2020 | 427 | 406 | 545 | 500 | 466 | 516 | 486 | 466 | 419 | 406 | 398 | 372 |
2021 | 388 | 377 | 384 | 504 | 422 | 433 | 371 | 416 | 362 | 331 | 344 | 334 |
2022 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
2023 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
2024 | -- | -- | -- | -- | -- | |||||||
- = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
Release Date: 7/31/2024 |
Next Release Date: 8/30/2024 |