View History:    Monthly     Annual   
Download Data (XLS File)
Rocky Mountain (PADD 4) Ending Stocks of Isobutane (Thousand Barrels)
Rocky Mountain (PADD 4) Ending Stocks of Isobutane (Thousand Barrels)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  2010 159 169 158 142 191 163 157 181 165 161 159 152
  2011 158 154 185 172 180 193 174 172 139 167 161 156
  2012 159 160 160 168 170 180 157 128 169 154 194 147
  2013 170 206 154 191 191 177 170 161 194 196 181 183
  2014 205 195 257 229 226 230 246 251 272 265 256 274
  2015 268 266 266 273 233 252 260 269 229 267 307 335
  2016 288 327 306 271 275 262 239 275 246 248 268 258
  2017 255 246 242 250 263 246 258 240 262 259 276 275
  2018 284 280 252 266 249 246 240 252 232 239 264 267
  2019 296 345 426 267 279 305 285


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 9/30/2019
Next Release Date: 10/31/2019

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