View History:    Monthly     Annual   
Download Data (XLS File)
West Coast (PADD 5) Isobutane-Isobutylene Stock Change (Thousand Barrels)
West Coast (PADD 5) Isobutane-Isobutylene Stock Change (Thousand Barrels)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1981 -71 -45 -101 -39 23 173 105 11 39 -66 35 -82
  1982 -48 -51 -30 -93 -73 18 -21 20 -2 17 -22 60
  1983 35 -32 24 19 -20 60 120 -124 28 -32 -23 37
  1984 -65 -63 -30 -18 108 0 24 14 -38 -25 3 24
  1985 -10 1 27 -41 14 10 13 -42 -29 12 -87 96
  1986 -86 -13 238 135 -90 -130 94 -103 -20 -75 30 -16
  1987 -38 11 15 -23 47 26 19 54 23 -4 38 -19
  1988 41 -43 -7 -71 -68 18 47 37 699 -327 -155 -119
  1989 65 -17 -134 164 14 36 38 44 10 -122 -57 -145
  1990 87 -27 -57 17 89 -17 86 -71 34 -32 -95 -24
  1991 114 33 80 -121 64 70 -56 76 -32 -98 -47 -22
  1992 73 -2 -34 -14 107 54 -27 28 25 -32 -115 -28
  1993 79 -13 124 9 63 70 -3 -50 -32 18 -51 89
  1994 -132 -20 8 -11 -32 54 118 67 -115 -68 -24 -30
  1995 -10 -7 74 -93 21 51 77 10 72 -61 -33 -116
  1996 -16 50 -94 173 -215 218 -115 62 103 45 -166 -120
  1997 -25 124 -51 15 40 87 35 -76 132 76 -80 -135
  1998 -14 93 -51 -81 -20 140 11 -73 -25 76 -159 -45
  1999 -47 130 -1 47 -72 203 -152 84 -31 -23 -175
  2000 -97 113 7 88 -35 54 225 -117 -142 38 33 27
  2001 -138 -100 145 26 104 -66 26 -86 -13 34 -17 -91
  2002 -71 6 116 43 14 28 -101 41 -10 144 -180 -116
  2003 22 66 100 98 -125 136 -98 90 127 49 -26 -143
  2004 -17 -92 -80 36 91 7 -7 51 143 -146 28 36
  2005 -18 53 -110 58 -141 82 -43 68 119 -8 -68 -186
  2006 93 75 22 -6 79 44 -34 -115 -22 -175 75 6
  2007 -130 169 34 121 58 -94 -37 -5 15 -121 37 -24
  2008 293 -188 144 -121 4 -107 -62 92 -69 1 -105 81
  2009 14 241 -127 -33 38 30 -91 70 -78 7 -63 18
  2010 128 15 -79 87 -72 72 -36 -95 32 70 -44 -25
  2011 -17 132 -85 236 -185 11 16 -58 27 -228 191 -6
  2012 10 -25 91 99 -78 -26 82 -91 57 23 -158 -24
  2013 57 243 -98 -142 -6 95 -179 -76 154 -2 38 -147
  2014 42 195 40 -17 -104 106 66 -182 -10


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 11/26/2014
Next Release Date: Last Week of December 2014

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