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Download Data (XLS File) |
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| East Coast (PADD 1) Refinery Stocks of Isobutane (Thousand Barrels) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2010 | 382 | 364 | 210 | 180 | 282 | 338 | 316 | 269 | 274 | 237 | 329 | 206 |
| 2011 | 258 | 208 | 285 | 254 | 303 | 270 | 330 | 242 | 225 | 336 | 290 | 246 |
| 2012 | 326 | 364 | 331 | 376 | 310 | 307 | 410 | 257 | 295 | 313 | 350 | 188 |
| 2013 | 260 | 173 | 151 | 144 | 165 | 121 | 180 | 197 | 180 | 179 | 206 | 152 |
| 2014 | 124 | 146 | 188 | 174 | 157 | 127 | 149 | 149 | 133 | 160 | 128 | 114 |
| 2015 | 215 | 174 | 200 | 179 | 192 | 194 | 171 | 203 | 184 | 168 | 162 | 169 |
| 2016 | 137 | 146 | 158 | 144 | 155 | 122 | 142 | 134 | 79 | 193 | 161 | 108 |
| 2017 | 180 | 175 | 131 | 125 | 123 | 110 | 96 | 121 | 114 | 131 | 138 | 149 |
| 2018 | 106 | 162 | 182 | 120 | 144 | 135 | 113 | 131 | 112 | 101 | 211 | 132 |
| 2019 | 121 | 203 | 190 | 147 | 135 | 130 | 127 | 112 | 105 | 123 | 141 | 116 |
| 2020 | 92 | 104 | 139 | 110 | 131 | 162 | 173 | 138 | 164 | 187 | 127 | 118 |
| 2021 | 101 | 90 | 79 | 81 | 90 | 74 | 58 | 64 | 61 | 122 | 50 | 86 |
| 2022 | 55 | 65 | 89 | 68 | 52 | 94 | 46 | 45 | 53 | 41 | 51 | 82 |
| 2023 | 47 | 58 | 79 | 107 | 70 | 111 | 103 | 69 | 51 | 92 | 91 | 79 |
| 2024 | 113 | 99 | 131 | 151 | 92 | 103 | 98 | 85 | 83 | 85 | 124 | 101 |
| 2025 | 123 | 84 | 129 | 112 | 106 | 76 | 65 | 72 | ||||
| - = 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 |