View History:    Monthly     Annual   
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Gulf Coast (PADD 3) Refinery Stocks of Isobutane (Thousand Barrels)
Gulf Coast (PADD 3) Refinery Stocks of Isobutane (Thousand Barrels)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  2010 1,052 851 895 975 1,010 971 990 985 1,205 1,104 1,138 1,223
  2011 1,191 1,230 1,236 1,071 1,115 1,006 968 956 1,089 1,024 1,093 944
  2012 1,150 1,078 1,039 1,072 1,131 1,001 1,184 1,131 1,135 1,059 1,141 1,168
  2013 1,260 1,166 1,133 1,138 1,104 1,262 1,077 1,008 1,059 1,068 1,107 1,163
  2014 1,098 1,144 1,024 1,128 1,205 1,066 1,012 1,022 995 1,129 1,185 1,037
  2015 1,259 1,349 1,552 1,483 1,209 958 881 1,002 1,027 1,108 1,048 1,028
  2016 1,008 1,188 1,206 1,179 1,075 1,126 1,118 1,105 1,076 1,241 1,286 1,424
  2017 1,761 1,972 1,839 1,726 1,403 1,046 1,049 1,302 1,209 1,508 1,293 1,326
  2018 1,487 1,461 1,531 1,425 1,243 1,230 1,367 1,438 1,463 1,245 1,343 1,275
  2019 1,405 1,565 1,744 1,526 1,454 1,460 1,356 1,400 1,351 1,393 1,394 1,470
  2020 1,652 1,891 1,800 1,697 1,441 1,171 1,242 1,325 1,392 1,511 751 767
  2021 725 723 819 1,030 1,028 1,128 1,071 959 1,008 690 801 844
  2022 874 887 966 1,119 1,078 1,057 999 864 822 743 721 795
  2023 899 906 1,074 1,057 1,037 928 927 867 816 952 961 815
  2024 738 760 821 894 898 905 933 981 989 989 865 847
  2025 834 837 826 763 874 844 876 776 839 923 832 712
  2026 748 864 835 802 754 712

- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 8/31/2026
Next Release Date: 9/30/2026

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