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View History:
Monthly
Annual
Download Data (XLS File)
Rocky Mountains (PADD 4) Refinery and Blender Net Production of Liquefied Petroleum Gases - Isobutane/Isobutylene (Thousand Barrels)
Year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1981
-18
-13
-5
-4
0
2
5
4
-2
-12
-12
-6
1982
-8
-13
-15
-21
-14
-10
-9
-9
-5
0
-9
0
1983
0
1
5
5
1
1
0
0
0
10
0
3
1984
1
6
4
16
9
11
24
8
3
2
1
2
1985
1
5
5
17
16
8
13
-1
2
9
5
16
1986
-14
-3
-23
5
17
-6
1
3
27
8
-20
-15
1987
-3
12
2
-20
-34
-28
-27
-3
-34
-4
15
-11
1988
8
0
-17
-5
-19
-4
30
-18
9
0
-12
-16
1989
2
-15
-2
-14
-32
-72
-70
-48
-19
26
-63
-13
1990
-38
-11
53
-53
-25
-10
0
-12
-5
-25
-39
-9
1991
-31
1
-45
-7
-10
-27
7
-10
-10
-15
-5
28
1992
24
-19
27
7
-7
-44
-31
-53
-49
-18
-5
-13
1993
8
-30
19
-35
-48
-38
3
1
-1
-17
18
-41
1994
-34
15
35
-10
-29
-39
-63
-57
-14
-48
-41
1995
-8
-16
15
-68
-62
-65
-70
-32
-21
-65
-30
-3
1996
-59
-41
11
22
-91
-31
-42
-84
-19
-25
-67
-58
1997
-17
-44
-40
-61
-35
-37
-90
-46
-17
-54
-45
-49
1998
-86
-59
-43
-79
-120
-118
-117
-118
-76
-85
-24
-24
1999
-14
-39
-48
-56
-77
-66
-46
-68
-33
-33
-37
-37
2000
-64
-53
-40
-25
-77
-52
-68
-33
-53
-30
-35
-15
2001
-7
-9
-30
-89
-47
-40
-26
-80
-41
-12
-2
-32
2002
-49
-39
-28
-16
-50
-82
-103
-75
-35
-73
-74
-97
2003
-48
-39
-45
-25
-129
-44
-54
-69
-58
-73
-54
-54
2004
-42
-67
-24
-59
-62
-52
-77
-76
-64
-48
-78
-32
2005
-43
-27
-56
-65
-71
-84
-89
-62
-59
-92
-62
-72
2006
-11
-2
-33
-21
-22
-20
-20
3
-45
-27
-8
-36
2007
-24
-4
24
-14
-44
-33
15
-9
-23
-53
-13
-27
2008
-43
-33
-15
-27
17
-12
-14
1
20
-29
-
= No Data Reported;
--
= Not Applicable;
NA
= Not Available;
W
= Withheld to avoid disclosure of individual company data.
Release Date: 12/29/2008
Next Release Date: Last Week of January 2009
Referring Pages:
Isobutane/Isobutylene Supply and Disposition
PADD 4 Refinery and Blender Net Production
Refinery & Blender Net Production of Isobutane/Isobutylene