Home
>
Petroleum
>
Navigator
Energy Glossary
Note: These data are available in spreadsheet format by clicking the ''Download Series History'' link on the previous page (with drop-down menu bar at top).
View History:
Monthly
Annual
West Coast (PADD 5) Normal Butane-Butylene Product Supplied (Thousand Barrels)
Year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1986
-171
637
372
206
229
350
336
459
-237
107
504
-196
1987
586
386
599
415
696
903
820
879
824
785
1,083
1,362
1988
776
731
626
587
422
477
484
475
1,128
-35
234
450
1989
381
726
620
481
284
881
-109
637
238
493
192
-894
1990
1,309
219
660
259
349
458
420
489
342
365
565
311
1991
-242
188
569
1,003
765
727
699
595
275
108
232
278
1992
509
382
920
945
890
392
905
953
899
624
384
648
1993
569
464
1,061
845
896
1,351
1,037
796
1,249
644
328
707
1994
673
484
748
1,172
1,587
447
1,455
1,255
163
721
237
833
1995
257
219
634
685
1,074
643
915
394
484
291
102
-33
1996
91
50
734
456
151
527
29
-339
468
115
125
-414
1997
220
-729
-370
239
-116
501
-45
-289
-532
-642
-559
-572
1998
-480
-1,053
-201
234
34
267
476
-27
-365
-350
-729
-41
1999
-383
-454
-382
-56
-187
269
213
441
610
-180
-304
-259
2000
-618
-480
224
-72
710
423
244
463
-252
-104
-659
245
2001
541
-119
-155
266
132
202
705
411
-564
-124
70
-207
2002
-64
-413
83
248
627
920
-89
210
-427
-389
-471
-523
2003
-692
-657
467
138
27
766
306
555
299
-274
-780
-840
2004
-581
-234
219
458
222
148
522
221
-222
-573
-853
-610
2005
-863
-47
318
835
739
679
511
294
-58
-184
-266
-511
2006
-507
-323
497
-19
902
415
713
522
-8
-574
-357
-606
2007
-523
-323
255
413
-64
98
233
301
145
-18
-629
-387
2008
-321
73
-704
609
Updated on 6/26/2008
Source: U.S. Energy Information Administration
Contact Us
·
Feedback
·
Privacy/Security
·
Jobs
·
About Us