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Monthly
Annual
Download Data (XLS File)
U.S. Isobutane-Isobutylene Stocks at Refineries(Thousand Barrels)
Year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1993
2,780
2,771
3,058
3,309
3,655
3,510
3,282
3,604
3,503
3,111
2,954
2,903
1994
2,805
2,772
2,699
2,655
2,499
2,459
2,723
2,992
3,056
2,871
2,899
2,830
1995
2,494
2,398
2,821
2,608
2,645
2,714
2,759
2,519
2,534
2,750
2,671
2,513
1996
2,526
2,566
2,620
2,847
2,681
3,071
2,972
2,897
3,001
3,078
2,745
2,467
1997
2,463
2,360
2,395
2,727
2,993
3,166
3,305
3,513
3,630
3,382
2,917
2,899
1998
3,010
2,819
3,006
3,222
3,065
3,159
3,260
3,242
2,856
2,990
2,819
2,903
1999
2,699
2,844
2,777
2,697
2,432
2,333
2,783
2,527
2,434
2,362
2,413
2,238
2000
2,062
2,141
2,035
2,073
2,355
2,606
2,738
2,717
2,428
2,328
2,122
1,959
2001
1,907
1,985
2,179
2,038
2,262
2,281
2,407
2,446
2,696
2,553
2,289
2,012
2002
1,856
2,090
2,365
2,532
2,401
2,427
2,488
2,213
2,554
2,263
2,082
2,022
2003
2,088
2,362
2,374
2,423
2,067
2,399
2,290
2,199
2,484
2,372
2,564
2,118
2004
2,264
2,129
2,139
2,387
2,447
2,243
2,222
2,217
2,308
2,038
2,218
2,270
2005
2,419
2,515
2,558
2,710
2,265
2,121
1,981
1,906
1,786
2,172
2,281
2,037
2006
2,191
2,139
2,498
2,543
2,877
2,201
2,063
2,256
2,181
1,988
2,103
2,279
2007
2,328
2,468
2,519
2,495
2,732
2,626
2,651
2,756
3,069
3,115
2,780
2,690
2008
2,872
2,718
3,009
2,737
2,784
2,817
2,811
2,638
2,575
2,496
2,325
2,496
2009
2,768
2,861
2,903
2,712
2,445
2,560
2,282
2,447
-
= No Data Reported;
--
= Not Applicable;
NA
= Not Available;
W
= Withheld to avoid disclosure of individual company data.
Release Date: 9/29/2009
Next Release Date: Last Week of October 2009
Referring Pages:
Isobutane/Butylene Refinery Stocks by Type
Refinery Stocks of Isobutane/Isobutylene
U.S. Isobutane/Butylene Stocks by Type