View History:  Monthly  
Download Data (XLS File)
Washington Natural Gas Underground Storage Volume  (Million Cubic Feet)
Washington Natural Gas Underground Storage Volume (Million Cubic Feet)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1990 30,182 26,557 24,604 23,665 1,893 26,305 29,242 32,180 33,249 33,454 33,535 30,308
  1991 27,857 27,753 24,809 27,642 29,164 31,880 34,018 33,957 33,952 32,912 33,952 33,494
  1992 31,565 28,585 28,004 27,127 28,479 29,654 30,679 32,137 33,333 32,774 32,112 28,315
  1993 24,875 21,529 22,758 23,761 28,291 29,157 31,305 31,925 34,308 32,148 28,367 30,074
  1994 28,472 23,999 23,565 25,667 28,271 30,036 31,845 32,296 33,429 33,646 33,258 31,684
  1995 29,550 27,320 27,067 27,300 29,870 31,422 32,835 32,564 35,058 34,958 35,024 33,992
  1996 27,960 27,171 26,636 26,980 28,942 32,260 33,196 35,162 35,761 34,119 33,663 31,924
  1997 30,338 28,540 25,303 25,369 31,249 35,015 35,626 34,634 36,902 36,194 36,105 32,928
  1998 32,856 28,708 25,379 23,810 27,742 30,692 31,004 34,644 36,466 35,761 36,521 33,294
  1999 32,692 29,548 28,435 26,583 27,369 29,134 32,729 36,065 36,065 36,485 36,192 34,508
  2000 27,301 25,253 23,729 24,622 27,190 30,850 34,589 33,799 36,632 35,260 31,451 33,414
  2001 30,804 24,660 24,071 26,337 34,603 34,790 34,419 35,747 37,181 36,226 36,067 36,083
  2002 29,031 24,820 23,943 27,751 31,783 34,680 35,287 36,456 37,709 36,003 37,325 36,225
  2003 33,011 25,511 26,120 26,535 31,461 33,876 34,720 37,676 39,612 38,346 38,178 37,679
  2004 34,863 29,743 30,762 33,795 37,870 37,627 36,509 38,489 40,998 39,233 39,686 40,037
  2005 35,150 32,469 34,210 36,106 40,007 40,240 39,392 39,940 41,582 41,062 40,675 40,522
  2006 37,948 32,621 32,888 32,843 36,829 39,906 39,622 41,857 43,237 40,990 39,269 39,394
  2007 33,065 30,696 30,892 31,602 36,165 38,814 41,559 41,337 43,788 43,231 40,874 40,455
  2008 32,729 29,572 26,185 27,426 33,312 36,369 41,131 41,812 43,508 43,570 42,985 38,790
  2009 35,215 31,159 28,666 34,008 39,647 42,849 43,490 43,595 44,565 44,304 44,281 39,210
  2010 38,061 33,638 31,321 33,250 39,900 44,002 43,912 43,615 45,311 45,297 42,064 41,309
  2011 37,718 31,436 29,735 28,687 33,212 36,905 38,696 42,590 45,027 44,937 44,689 43,673
  2012 37,267 32,496 33,251 35,110 39,536 43,521 43,635 44,126 45,907 45,537 45,278 43,019
  2013 34,919 31,960 31,079 30,412 33,787 37,711 40,833 43,621 45,359 45,168 43,506 40,286
  2014 36,064


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 3/31/2014
Next Release Date: 4/30/2014

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