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
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
2,477
2,519
2,495
2,732
2,626
2,651
2,753
3,069
3,115
2,780
2,690
2008
2,887
2,718
3,009
2,788
Updated on 6/26/2008
Source: U.S. Energy Information Administration
Contact Us
·
Feedback
·
Privacy/Security
·
Jobs
·
About Us