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View History:
Monthly
Annual
Download Data (XLS File)
East Coast (PADD I) Refinery and Blender Net Production of Isobutane-Isobutylene (Thousand Barrels per Day)
Year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1981
0
0
1986
0
-2
-1
-2
-3
-2
-3
-2
-1
-3
-2
-3
1987
0
-1
2
0
0
2
2
1
1
2
1
1
1988
1
-1
0
2
4
0
2
1
1
1
0
0
1989
1
0
-1
0
1
2
1
1
3
3
0
0
1990
-1
-2
-1
-1
-3
-4
0
-2
-1
-2
-2
-2
1991
-1
-2
-2
-1
-3
-1
-3
-1
-1
-2
-2
-1
1992
-1
-1
0
1
1
-3
-2
-2
-2
-2
0
-1
1993
0
-1
-3
-1
0
-3
-3
-2
-3
1
-2
-1
1994
1
1
-1
-4
-1
-4
-3
-2
-2
-2
1
0
1995
-2
-3
-2
-3
-3
-2
-1
0
0
1
-1
0
1996
-1
-2
-1
3
2
2
1
0
3
0
-2
0
1997
-1
4
-5
-2
-1
-4
-4
-5
0
-2
0
-1
1998
-9
-7
-1
1
-5
-3
-4
-2
-5
-4
-5
-2
1999
-3
-4
-6
-5
-3
-6
0
-7
-6
-7
-4
-3
2000
-4
2
-4
-3
-3
1
-2
-5
-3
-5
-7
-3
2001
-3
-1
-5
-6
-5
-10
-6
-2
-3
-7
-7
-5
2002
-5
-4
-5
-4
-3
-3
-2
-8
-5
-4
-5
-3
2003
-2
-5
-6
-1
-2
3
-10
-5
-6
-6
-5
-5
2004
-2
-5
-12
-3
-1
-4
-3
-2
-6
-6
-7
-4
2005
-4
-2
-5
-3
-3
-5
-3
-6
-7
-1
-6
-7
2006
2
7
-5
0
10
2
0
-3
-1
1
-2
2
2007
2
-3
3
2
2
0
9
2
5
1
-1
2
2008
3
-3
5
5
0
5
Release Date: 8/26/2008
Next Release Date: Last Week of September 2008
Referring Pages:
East Coast (PADD 1) Supply and Disposition
Isobutane/Isobutylene Supply and Disposition
PADD 1 Refinery and Blender Net Production
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