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Rocky Mountain (PADD 4) Refinery and Blender Net Production of 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 | -53 | -32 |
2009 | -15 | -14 | -47 | -15 | -4 | -20 | -18 | -39 | -8 | -38 | 12 | -47 |
2010 | -1 | -20 | -46 | -23 | -4 | -24 | -11 | -16 | -8 | -35 | -6 | -10 |
2011 | -23 | -14 | 3 | -19 | -49 | 10 | -21 | -5 | -63 | -24 | -19 | -26 |
2012 | -29 | -20 | -52 | 4 | -59 | -33 | -52 | -69 | 23 | -16 | 10 | -16 |
2013 | -19 | -11 | -95 | -41 | -37 | -19 | -44 | -24 | -2 | -24 | -28 | -32 |
2014 | -34 | -52 | -29 | -57 | -42 | -32 | -30 | -22 | -26 | -28 | -21 | -8 |
2015 | -23 | -15 | -55 | -24 | -8 | 17 | -10 | 5 | -1 | 24 | 42 | 29 |
2016 | 25 | 23 | 52 | 0 | 26 | 16 | 6 | 20 | -5 | 7 | 26 | 14 |
2017 | 25 | 5 | 16 | 26 | 29 | 14 | 16 | 9 | 13 | 19 | 3 | -5 |
2018 | 4 | 6 | -45 | -31 | -15 | -38 | -37 | -19 | -61 | 10 | 14 | -4 |
2019 | 19 | 6 | -5 | -79 | -5 | 26 | 3 | -44 | -46 | -48 | -44 | -41 |
2020 | -33 | -27 | -29 | 13 | -55 | -13 | -32 | -26 | -20 | -38 | -44 | 5 |
2021 | -11 | 6 | 44 | -33 | -29 | -34 | -44 | 8 | 0 | -43 | 4 | 4 |
2022 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
2023 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
2024 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | |
- = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
Release Date: 1/31/2025 |
Next Release Date: 2/28/2025 |