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| Rocky Mountain (PADD 4) Petrochemical Feedstocks Stock Change (Thousand Barrels) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1981 | -1 | -1 | -1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1982 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1983 | 0 | 6 | -5 | 1 | 2 | -1 | -1 | 2 | 0 | 1 | 1 | -3 |
| 1984 | 0 | -1 | -1 | 2 | 0 | 0 | -1 | 3 | 2 | -1 | 2 | -2 |
| 1985 | 1 | -1 | -1 | -4 | 1 | 1 | 2 | -1 | -1 | 0 | -1 | 2 |
| 1986 | 16 | -2 | 10 | -9 | 3 | 23 | -19 | -1 | 1 | 6 | -5 | 4 |
| 1987 | -11 | 3 | 4 | 13 | -27 | 24 | -4 | 5 | 12 | -28 | 2 | 9 |
| 1988 | -3 | -6 | 15 | -16 | 3 | -7 | 7 | -14 | 5 | 9 | 4 | -20 |
| 1989 | 17 | 27 | 5 | -30 | 10 | 13 | 23 | 17 | -42 | -18 | -2 | -8 |
| 1990 | 16 | 5 | -10 | -7 | -4 | 13 | -33 | 1 | -1 | 0 | 3 | 14 |
| 1991 | -1 | -1 | -14 | 14 | 9 | -18 | 0 | -4 | 0 | -2 | 0 | 0 |
| 1992 | 2 | 0 | 6 | 17 | 9 | -6 | -26 | -2 | 3 | -3 | 0 | 0 |
| 1993 | -1 | -1 | 1 | 1 | ||||||||
| 1994 | -1 | -1 | 1 | -1 | ||||||||
| 1995 | 2 | -1 | -1 | 1 | -1 | 3 | ||||||
| 1996 | -3 | |||||||||||
| 1997 | 1 | -1 | 1 | -1 | 1 | |||||||
| 1998 | -1 | 1 | -1 | |||||||||
| 2000 | 1 | -1 | ||||||||||
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 12/31/2025 |
| Next Release Date: 1/30/2026 |