View History:    Monthly     Annual   
Download Data (XLS File)
West Coast (PADD 5) Refinery and Blender Net Production of Isobutane-Isobutylene (Thousand Barrels)
West Coast (PADD 5) Refinery and Blender Net Production of Isobutane-Isobutylene (Thousand Barrels)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1984 3 -4 -3 -3 -1
  1985 9 3 16
  1986 68 11 3 -40 -16 1 50 -97 148 -29 7 24
  1987 136 111 70 146 145 186 144 134 134 83 143 56
  1988 120 118 191 164 149 158 241 135 164 66 46 0
  1989 97 65 78 60 87 71 155 5 112 -28 15 -154
  1990 38 -104 -46 -6 34 36 137 80 128 4 -12 -35
  1991 107 17 123 -5 90 52 -29 104 -70 -168 -29 -16
  1992 77 56 53 94 205 150 86 138 92 100 -43 -74
  1993 39 -11 94 74 168 128 143 141 105 57 47 87
  1994 24 133 225 104 120 226 237 212 5 31 2 -7
  1995 -32 27 237 126 97 76 181 147 92 80 32 -167
  1996 -41 293 1 151 -44 207 42 141 154 -30 -212 -60
  1997 140 108 -18 191 195 259 250 127 201 53 -69 8
  1998 140 65 -55 183 116 485 298 91 190 208 -184 -82
  1999 -21 192 132 420 131 197 368 -10 212 24 53 60
  2000 43 12 115 164 95 227 409 51 85 132 32 55
  2001 -111 0 154 21 67 103 2 45 170 88 11 -5
  2002 -119 33 236 47 77 -2 28 163 9 39 -40 79
  2003 -28 -34 -221 -57 -261 -83 -113 -97 -11 -137 -18 -60
  2004 -110 -109 -172 -253 -323 -304 -203 -212 -175 -330 -137 -30
  2005 -203 -281 -414 -220 -356 -280 -387 -390 -390 -309 -182 -296
  2006 181 129 73 4 169 84 40 119 -60 -220 -26 -8
  2007 -137 207 124 50 44 -77 13 33 -96 -88 94 -72
  2008 204 12 144 -42 -19 39 -18 112 -61 -18 -54 76
  2009 -50 266 -98 17 -29 10 -57 105 35 16 -116 88
  2010 110 40 -19 -59 14 92 33 -19 75 54 101 55
  2011 53 213 -194 202 -136 -51 -98 44 71 -154 151 -36
  2012 51 43 67 -167 -298 -43 28 -92 97 21 -211 -163
  2013 83 172 -116 159 -222 44 -89 -24 44 -15 -131 -204
  2014 -84 -18 59 -10 -32 -9 21 -72 74 21 43 -86
  2015 99 133 182 99 -34 68 107 100 167 112 94 21
  2016 -101 104 240 97 162 82 141 195 179 57 -21 65
  2017 109 -15 118 98 83 177 104 238 168 255 11 79
  2018 72 109 414 117 105 245 199 222 235 49 27 44
  2019 69 134 179 151 68 131 131 119 97


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 11/29/2019
Next Release Date: 12/31/2019

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