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| Gulf Coast (PADD 3) Refinery and Blender Net Production of Propylene (Thousand Barrels per Day) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1993 | W | W | W | W | W | W | W | W | W | W | W | W |
| 1994 | W | W | W | W | W | W | W | W | W | W | W | W |
| 1995 | W | W | W | W | W | W | W | W | W | W | W | W |
| 1996 | W | W | W | W | W | W | W | W | W | W | W | W |
| 1997 | 154 | 138 | 145 | 163 | 157 | 155 | 151 | 146 | 156 | 165 | 161 | 163 |
| 1998 | 134 | 122 | 142 | 158 | 157 | 145 | 154 | 142 | 155 | 153 | 156 | 172 |
| 1999 | 150 | 147 | 143 | 140 | 162 | 158 | 151 | 165 | 166 | 174 | 175 | 178 |
| 2000 | 171 | 171 | 156 | 161 | 179 | 175 | 164 | 161 | 164 | 158 | 168 | 169 |
| 2001 | 156 | 151 | 158 | 157 | 157 | 136 | 146 | 157 | 162 | 172 | 160 | 151 |
| 2002 | 162 | 155 | 159 | 161 | 181 | 192 | 182 | 189 | 177 | 174 | 172 | 184 |
| 2003 | 161 | 172 | 173 | 202 | 200 | 186 | 173 | 174 | 168 | 164 | 174 | 183 |
| 2004 | 178 | 172 | 176 | 169 | 180 | 188 | 183 | 188 | 183 | 188 | 201 | 196 |
| 2005 | 161 | 183 | 172 | 179 | 185 | 173 | 170 | 166 | 127 | 128 | 151 | 176 |
| 2006 | 175 | 167 | 157 | 175 | 183 | 187 | 188 | 168 | 186 | 188 | 181 | 204 |
| 2007 | 193 | 168 | 183 | 167 | 184 | 180 | 169 | 176 | 179 | 174 | 190 | 200 |
| 2008 | 198 | 183 | 174 | 172 | 161 | 165 | 170 | 176 | 114 | 171 | 161 | 150 |
| 2009 | 157 | 168 | 196 | 197 | 195 | 196 | 201 | 204 | 209 | 188 | 194 | 204 |
| 2010 | 206 | 207 | 225 | 220 | 206 | 219 | 217 | 209 | 206 | 203 | 215 | 225 |
| 2011 | 228 | 197 | 194 | 209 | 215 | 214 | 214 | 210 | 233 | 214 | 216 | 218 |
| 2012 | 203 | 213 | 219 | 236 | 234 | 236 | 221 | 207 | 204 | 205 | 224 | 230 |
| 2013 | 216 | 226 | 225 | 239 | 231 | 220 | 220 | 227 | 225 | 221 | 218 | 227 |
| 2014 | 220 | 215 | 225 | 228 | 218 | 221 | 224 | 220 | 193 | 208 | 243 | 244 |
| 2015 | 219 | 203 | 181 | 211 | 219 | 226 | 232 | 235 | 206 | 207 | 217 | 234 |
| 2016 | 238 | 222 | 226 | 218 | 220 | 208 | 210 | 206 | 205 | 204 | 217 | 222 |
| 2017 | 205 | 192 | 219 | 232 | 228 | 219 | 238 | 218 | 172 | 225 | 233 | 240 |
| 2018 | 235 | 219 | 225 | 216 | 223 | 221 | 218 | 235 | 236 | 236 | 247 | 244 |
| 2019 | 222 | 237 | 207 | 217 | 229 | 234 | 228 | 223 | 220 | 225 | 223 | 217 |
| 2020 | 206 | 181 | 193 | 206 | 203 | 205 | 204 | 195 | 206 | 219 | 225 | 229 |
| 2021 | 230 | 181 | 202 | 238 | 264 | 241 | 233 | 227 | 210 | 204 | 240 | 237 |
| 2022 | 211 | 213 | 223 | 226 | 227 | 218 | 218 | 206 | 200 | 176 | 184 | 181 |
| 2023 | 184 | 186 | 202 | 205 | 203 | 199 | 209 | 199 | 192 | 186 | 223 | 221 |
| 2024 | 188 | 171 | 206 | 215 | 217 | 216 | 200 | 204 | 204 | 218 | 220 | 218 |
| 2025 | 195 | 178 | 181 | 192 | 205 | 205 | 210 | 187 | 188 | 177 | 199 | 205 |
| 2026 | 191 | |||||||||||
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 3/31/2026 |
| Next Release Date: 4/30/2026 |