EIA Home
Home  >  Petroleum  >  Navigator
Petroleum Navigator
  Energy Glossary
Note: These data are available in spreadsheet format by clicking the ''Download Series History'' link on the previous page (with drop-down menu bar at top).
 View History:    Monthly     Annual   
Rocky Mountain (PADD 4) Ethane-Ethylene Stock Change (Thousand Barrels)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1981 0 0 0 0 0 0 0 3 -2 0 0 0
  1982 0 0 0 0 0 0 0 0 0 0 0 1
  1983 0 0 5 -3 -2 0 0 -1 1 0 0 0
  1984 -1 -2 -3 -3 -3 -1 1 1 -2 8 -5 2
  1985 0 2 -1 -2 -4 -2 -2 9 2 4 0 0
  1986 1 -4 4 -4 -2 -1 46 -51 2 -1 3 -2
  1987 3 -3 2 -1 0 -4 -6 1 0 0 4 1
  1988 9 4 -4 -6 -2 -7 2 2 2 4 4 10
  1989 5 -1 -5 -4 -2 -6 4 -3 -3 -1 -1 5
  1990 2 -3 3 9 -5 -1 -6 6 7 24 2 2
  1991 5 -6 -1 -3 1 1 3 0 5 -6 3 10
  1992 5 -2 3 -1 0 0 -1 -5 -22 6 1 8
  1993 6 12 -2 -5 -8 1 4 -6 1 4 -9
  1994 7 2 -9 -1 -4 13 -3 3 23 3 3 2
  1995 1 1 -4 -3 -1 1 1 2 5 -1
  1996 4 -3 -2 -4 4 -1 -2 3 3 1
  1997 -3 3 -4 -2 -1 -2 4 -3 1
  1998 -1 3 -5 -3 -4 -3 1 4 5
  1999 -2 3 1 -1 -3 1 2 -2 3 4 -2 243
  2000 -2 2 -4 -6 -3 6 5 -1 3 -2
  2001 -12 5 2 -1 2 -4 1 4 -9 5 16 -1
  2002 5 9 -14 18 9 12 11 -7 9 8 -7 6
  2003 25 89 20 -213 -4 -1 3 2 -2 1 3
  2004 1 64 -3 -132 -1 -25 -24 2 3 -1 3
  2005 -2 -1 -2 1 -1 -1 0 -3 -1 4 2 -5
  2006 6 -2 -2 -2 0 -3 1 0 66 11 20 5
  2007 -1 -3 -1 -1 -2 3 -2 2 -1 0 2 3
  2008 -1 -3 2 -3

Updated on 6/26/2008
Source: U.S. Energy Information Administration
 ·  ·  ·  ·