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| Rocky Mountain (PADD 4) Supply Adjustment of Crude Oil and Petroleum Products (Thousand Barrels per Day) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1981 | -181 | -201 | -218 | -262 | -218 | -164 | -192 | -175 | -187 | -212 | -207 | -217 |
| 1982 | -159 | -143 | -185 | -227 | -222 | -189 | -201 | -174 | -173 | -172 | -144 | -138 |
| 1983 | -146 | -189 | -213 | -251 | -215 | -173 | -204 | -161 | -147 | -177 | -159 | -149 |
| 1984 | -199 | -157 | -190 | -169 | -189 | -224 | -218 | -162 | -197 | -197 | -198 | -198 |
| 1985 | 120 | 110 | 79 | 131 | 117 | 152 | 76 | 132 | 95 | 97 | 84 | 124 |
| 1986 | 71 | 74 | 112 | 102 | 88 | 69 | 63 | 60 | 40 | 50 | 10 | 60 |
| 1987 | 40 | 41 | 50 | 57 | 45 | 81 | 37 | 34 | 41 | 33 | 68 | 43 |
| 1988 | 41 | 57 | 82 | 60 | 68 | 112 | 43 | 54 | 72 | 51 | 72 | 56 |
| 1989 | 40 | 30 | 18 | 45 | 31 | 46 | 75 | 57 | 38 | 28 | 32 | 31 |
| 1990 | 30 | 21 | 36 | 39 | 23 | 43 | 20 | 39 | 12 | -9 | 36 | 7 |
| 1991 | 13 | 13 | 42 | 17 | 21 | 23 | 23 | 40 | 16 | 34 | 22 | 16 |
| 1992 | 47 | 30 | 35 | 57 | 34 | 53 | 40 | 23 | 24 | 0 | 25 | 23 |
| 1993 | 34 | 49 | 51 | 56 | 19 | 65 | 42 | 50 | 21 | 47 | 41 | 38 |
| 1994 | 18 | 17 | 31 | 40 | 41 | 22 | 64 | 48 | 28 | 25 | 28 | 37 |
| 1995 | 19 | -19 | 15 | 39 | 15 | 30 | 17 | 6 | -5 | -49 | 11 | 20 |
| 1996 | 10 | -1 | 24 | 33 | 18 | 50 | 32 | 21 | 7 | 36 | 38 | 15 |
| 1997 | 32 | 26 | 67 | 38 | 71 | 53 | 39 | 39 | 71 | 44 | 42 | 68 |
| 1998 | 56 | 54 | 60 | 70 | 79 | 74 | 47 | 72 | 70 | 76 | 89 | 96 |
| 1999 | 98 | 92 | 70 | 82 | 157 | 148 | 114 | 132 | 144 | 145 | 151 | 179 |
| 2000 | 135 | 80 | 126 | 68 | 57 | 72 | 56 | 100 | 74 | 65 | 133 | 99 |
| 2001 | 34 | 41 | 56 | 4 | 45 | 38 | 71 | 68 | 18 | 32 | 25 | 50 |
| 2002 | 36 | 43 | 34 | 0 | -20 | -13 | 19 | 2 | -29 | -41 | -54 | -7 |
| 2003 | -17 | -32 | -25 | 3 | -21 | -16 | -33 | -17 | -64 | -36 | -45 | -43 |
| 2004 | -38 | 25 | 7 | 17 | -2 | 5 | 14 | 63 | -51 | 10 | -45 | 10 |
| 2005 | -25 | -25 | -37 | 13 | -32 | -65 | -31 | 14 | 24 | 12 | -23 | -50 |
| 2006 | -8 | -55 | -63 | 6 | -4 | -17 | -42 | 10 | 11 | -13 | -41 | -47 |
| 2007 | -69 | -40 | -23 | -24 | 25 | 9 | -11 | -28 | -42 | -40 | -42 | -45 |
| 2008 | -29 | -50 | -30 | -31 | -6 | -39 | 0 | -66 | -56 | -48 | -20 | -45 |
| 2009 | -34 | -62 | -37 | -22 | -26 | -65 | -76 | -40 | -26 | -41 | -34 | -83 |
| 2010 | 20 | -47 | -17 | -3 | -32 | -48 | -11 | -30 | -15 | -74 | -40 | -82 |
| 2011 | -24 | -1 | -17 | -30 | 2 | 11 | -1 | -8 | -25 | -14 | -26 | -46 |
| 2012 | 4 | 2 | -65 | -1 | -46 | -46 | -57 | -32 | 5 | -48 | -29 | 11 |
| 2013 | -11 | -16 | -19 | -61 | -9 | 9 | -38 | -34 | -33 | -17 | -62 | -41 |
| 2014 | -32 | -102 | -55 | -66 | -71 | -58 | -70 | -93 | -51 | -84 | -33 | 15 |
| 2015 | 7 | -40 | -24 | -27 | 5 | 36 | 63 | -95 | -13 | -62 | 3 | 6 |
| 2016 | 21 | -25 | 9 | 26 | 1 | 6 | 1 | 62 | 3 | -19 | -47 | 21 |
| 2017 | -24 | 11 | 17 | 10 | 23 | 3 | 26 | 31 | -8 | -32 | -41 | -30 |
| 2018 | -67 | -16 | -25 | -41 | -77 | -58 | -39 | -75 | -75 | -56 | -122 | -41 |
| 2019 | -89 | -75 | -30 | -95 | -76 | -62 | -84 | -60 | -81 | -102 | -117 | -75 |
| 2020 | -97 | -121 | -34 | -64 | -82 | -24 | -14 | -17 | -56 | -30 | -33 | -40 |
| 2021 | -28 | -24 | -13 | -53 | -26 | -46 | -12 | -29 | -69 | -47 | -56 | -70 |
| 2022 | -17 | -51 | -81 | -81 | -19 | -20 | -11 | -43 | -16 | -21 | -24 | -72 |
| 2023 | -103 | -43 | -65 | -76 | -22 | -37 | -39 | -82 | -105 | -83 | -48 | -76 |
| 2024 | -63 | -59 | -28 | -23 | 61 | -54 | -11 | 15 | -46 | 14 | -47 | -25 |
| 2025 | 2 | -41 | 70 | -62 | -31 | -48 | -2 | 9 | -45 | -105 | -28 | -48 |
| 2026 | 41 | -28 | ||||||||||
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 4/30/2026 |
| Next Release Date: 5/29/2026 |