View History:    Monthly     Annual   
Download Data (XLS File)
Rocky Mountain (PADD 4) Normal Butane-Butylene Stocks at Refineries (Thousand Barrels)
Rocky Mountain (PADD 4) Normal Butane-Butylene Stocks at Refineries (Thousand Barrels)
Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9
  1990's 216 229 180 156 180 174 114
  2000's 156 205 150 193 101 211 180 213 175 282
  2010's 221 170 267 212 226 220 247 273 255 307
  2020's 358 237


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 7/29/2022
Next Release Date: 8/31/2022

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