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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
East Coast (PADD 1) Normal Butane-Butylene Stock Change (Thousand Barrels per Day)
Year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1981
4
-3
1
5
-2
3
-1
0
3
1
-4
7
1982
-4
-8
-5
3
2
8
2
2
-1
-2
-5
0
1983
-5
-1
-4
1
2
0
1
4
0
2
0
-7
1984
-1
-3
0
1
2
2
4
-4
1
-3
7
-7
1985
6
-1
-6
6
7
3
-5
0
1
2
-1
1
1986
-3
-2
-3
0
0
5
1
-4
-9
5
-3
4
1987
1
3
0
6
8
-12
5
8
-1
-6
-8
6
1988
2
-2
-2
-3
2
7
3
-3
-1
-7
-3
9
1989
-3
0
-8
-2
0
9
11
8
-9
-6
-3
1
1990
10
-19
14
2
9
16
12
-3
-8
2
-5
-20
1991
-17
-4
5
11
5
11
14
18
-11
4
-23
-13
1992
-15
-9
9
11
8
16
17
15
-13
-12
-21
-11
1993
-6
-4
4
14
10
11
9
16
-2
-7
-21
-14
1994
-18
-7
5
16
12
6
7
17
-3
-3
-18
-16
1995
-18
-8
0
19
18
18
13
14
-9
-19
-13
-11
1996
-12
-15
-2
14
13
11
13
15
-8
-8
-20
-20
1997
-3
-8
2
13
9
12
12
16
-12
0
-16
-13
1998
-18
-4
-6
17
13
9
17
18
-8
-3
-13
-6
1999
-17
-24
-3
20
12
5
11
14
-16
-13
5
-8
2000
-23
7
-15
16
7
3
23
16
-13
-8
-19
-13
2001
-6
0
-5
7
17
15
8
17
-9
-15
-11
-2
2002
-11
-12
-10
17
14
14
6
18
-12
-11
-20
-5
2003
-13
-8
-7
14
13
6
22
18
-4
-16
-23
-4
2004
-1
-17
-5
13
13
14
13
14
-8
-6
-20
-18
2005
-4
-5
2
19
9
16
12
6
-7
-21
-22
-8
2006
-1
-9
3
13
16
-1
5
37
-3
-14
-17
-3
2007
-19
-11
-7
12
18
22
20
20
-15
-32
-15
5
2008
-2
-17
-9
9
Updated on 6/26/2008
Source: U.S. Energy Information Administration
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