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


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 9/29/2014
Next Release Date: 8/28/2015

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