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| West Coast (PADD 5) Petrochemical Feedstocks Stocks at Refineries (Thousand Barrels) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1986 | 291 | 307 | 306 | 213 | 285 | 235 | 356 | 298 | 334 | 372 | 325 | 316 |
| 1987 | 377 | 342 | 329 | 341 | 430 | 365 | 356 | 335 | 251 | 350 | 357 | 290 |
| 1988 | 222 | 288 | 299 | 349 | 248 | 200 | 323 | 337 | 388 | 303 | 330 | 312 |
| 1989 | 226 | 267 | 298 | 271 | 276 | 280 | 290 | 398 | 352 | 354 | 485 | 362 |
| 1990 | 316 | 357 | 368 | 352 | 281 | 253 | 232 | 240 | 243 | 251 | 265 | 318 |
| 1991 | 253 | 290 | 228 | 283 | 255 | 173 | 177 | 282 | 285 | 266 | 276 | 191 |
| 1992 | 218 | 221 | 320 | 303 | 332 | 217 | 204 | 244 | 281 | 261 | 185 | 142 |
| 1993 | 172 | 242 | 175 | 192 | 197 | 217 | 166 | 257 | 263 | 330 | 215 | 230 |
| 1994 | 250 | 179 | 212 | 222 | 237 | 233 | 268 | 268 | 356 | 181 | 247 | 253 |
| 1995 | 238 | 218 | 330 | 309 | 349 | 228 | 210 | 254 | 279 | 330 | 253 | 190 |
| 1996 | 212 | 247 | 270 | 355 | 238 | 270 | 276 | 236 | 258 | 254 | 212 | 285 |
| 1997 | 301 | 245 | 303 | 454 | 338 | 382 | 264 | 331 | 286 | 380 | 320 | 324 |
| 1998 | 370 | 206 | 358 | 206 | 340 | 351 | 377 | 315 | 338 | 339 | 343 | 357 |
| 1999 | 347 | 306 | 280 | 318 | 368 | 368 | 302 | 252 | 308 | 336 | 373 | 335 |
| 2000 | 351 | 219 | 344 | 256 | 316 | 200 | 263 | 299 | 202 | 163 | 268 | 304 |
| 2001 | 270 | 390 | 204 | 315 | 395 | 270 | 373 | 351 | 249 | 192 | 355 | 217 |
| 2002 | 270 | 170 | 288 | 224 | 232 | 287 | 280 | 224 | 177 | 288 | 236 | 209 |
| 2003 | 223 | 225 | 248 | 281 | 216 | 295 | 257 | 232 | 191 | 200 | 333 | 274 |
| 2004 | 149 | 203 | 153 | 169 | 220 | 225 | 91 | 106 | 104 | 118 | 175 | 119 |
| 2005 | 114 | 103 | 229 | 139 | 146 | 104 | 134 | 119 | 113 | 129 | 154 | 188 |
| 2006 | 85 | 211 | 114 | 208 | 192 | 159 | 104 | 111 | 132 | 78 | 113 | 93 |
| 2007 | 99 | 59 | 113 | 93 | 129 | 66 | 145 | 169 | 191 | 56 | 19 | 15 |
| 2008 | 11 | 11 | 17 | 27 | 13 | 37 | 37 | 46 | 35 | 27 | 20 | 56 |
| 2009 | 51 | 53 | 55 | 24 | 37 | 30 | 29 | 48 | 26 | 12 | 13 | 25 |
| 2010 | 40 | 33 | 2 | 2 | 1 | 1 | 2 | 2 | 2 | 2 | 1 | 1 |
| 2011 | 2 | 1 | 1 | 2 | 3 | 3 | 2 | 3 | 2 | 3 | 3 | 1 |
| 2012 | 2 | 7 | 2 | 1 | 2 | 3 | 2 | 3 | 6 | 1 | 1 | 1 |
| 2013 | 1 | 3 | 11 | 16 | 5 | 3 | 1 | 2 | 2 | 1 | 2 | 2 |
| 2014 | 1 | 3 | 2 | 2 | 1 | 1 | 3 | 3 | 2 | 1 | 2 | 2 |
| 2015 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 2 |
| 2016 | 2 | 1 | 1 | 1 | 1 | 1 | 2 | 3 | 4 | 5 | 3 | 1 |
| 2017 | 1 | 1 | 1 | 2 | 2 | 5 | 5 | 5 | 3 | 2 | 1 | 2 |
| 2018 | 2 | 2 | 1 | 2 | 2 | 2 | 2 | 3 | 3 | 5 | 5 | 5 |
| 2019 | 6 | 4 | 4 | 3 | 3 | 4 | 4 | 6 | 6 | 7 | 7 | 8 |
| 2020 | 8 | 8 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 |
| 2021 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| 2022 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | |||
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 10/31/2025 |
| Next Release Date: 11/28/2025 |