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| Rocky Mountain (PADD 4) Refinery and Blender Net Input of Normal Butane (Thousand Barrels) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2009 | 312 | 200 | 169 | 66 | 85 | 113 | 112 | 111 | 106 | 165 | 175 | 162 |
| 2010 | 212 | 195 | 139 | 124 | 101 | 84 | 107 | 90 | 87 | 111 | 225 | 201 |
| 2011 | 149 | 171 | 98 | 88 | 97 | 101 | 112 | 110 | 177 | 193 | 278 | 266 |
| 2012 | 303 | 220 | 204 | 112 | 73 | 106 | 119 | 97 | 163 | 239 | 268 | 337 |
| 2013 | 267 | 191 | 165 | 111 | 77 | 102 | 77 | 141 | 145 | 151 | 277 | 282 |
| 2014 | 263 | 209 | 237 | 151 | 168 | 174 | 112 | 199 | 162 | 186 | 256 | 296 |
| 2015 | 308 | 231 | 173 | 177 | 122 | 107 | 152 | 137 | 157 | 233 | 360 | 391 |
| 2016 | 416 | 217 | 158 | 133 | 142 | 106 | 108 | 119 | 170 | 299 | 367 | 421 |
| 2017 | 376 | 243 | 236 | 134 | 83 | 109 | 109 | 131 | 163 | 259 | 317 | 381 |
| 2018 | 475 | 292 | 207 | 202 | 148 | 145 | 163 | 167 | 205 | 300 | 298 | 437 |
| 2019 | 463 | 270 | 213 | 153 | 107 | 87 | 107 | 127 | 166 | 211 | 366 | 434 |
| 2020 | 357 | 205 | 178 | 105 | 52 | 120 | 135 | 136 | 163 | 299 | 316 | 331 |
| 2021 | 293 | 183 | 176 | 146 | 87 | 92 | 94 | 137 | 197 | 301 | 358 | 531 |
| 2022 | 349 | 184 | 225 | 180 | 64 | 79 | 135 | 136 | 153 | 243 | 327 | 344 |
| 2023 | 273 | 212 | 190 | 157 | 93 | 87 | 142 | 131 | 164 | 210 | 287 | 366 |
| 2024 | 324 | 187 | 146 | 133 | 93 | 125 | 125 | 121 | 203 | 312 | 294 | 392 |
| 2025 | 319 | 178 | 192 | 138 | 107 | 110 | 142 | 150 | 212 | |||
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 11/28/2025 |
| Next Release Date: 12/31/2025 |