View History:  Monthly  
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Montana Natural Gas in Underground Storage - Change in Working Gas from Same Month Previous Year  (Percent)
Montana Natural Gas in Underground Storage - Change in Working Gas from Same Month Previous Year (Percent)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1991 -2.5 -1.5 -1.5 -1.0 -1.7 0.1 -0.2 -0.5 -1.8 -3.2 -3.9 -3.3
  1992 -38.1 -38.6 -38.4 -38.3 -38.2 -38.2 -38.2 -38.3 -38.6 -38.8 -39.8 -41.8
  1993 -13.0 -15.6 -17.8 -19.4 -21.2 -22.4 -22.0 -22.3 -21.6 -20.7 -20.8 -19.6
  1994 -19.3 -21.6 -20.5 -19.8 -17.7 -14.9 -14.5 -13.6 -12.0 -10.7 -9.8 -9.5
  1995 -9.6 -5.3 -4.7 -2.5 -2.0 -1.5 0.6 3.4 2.5 0.4 -1.3 -4.9
  1996 -9.0 -11.4 -16.2 -18.1 -20.7 -19.2 -18.0 -16.9 -13.6 -13.4 -16.2 -17.7
  1997 -18.5 -20.5 -19.6 -21.9 -19.3 -20.3 -20.1 -20.8 -22.7 -23.8 -22.5 -20.6
  1998 -20.5 -19.2 -21.2 -18.5 -14.3 -12.9 -13.1 -8.2 -2.8 2.0 2.5 1.0
  1999 -0.1 -2.2 -0.7 -3.7 -8.7 -8.9 -9.6 -12.8 -17.2 -20.5 -18.8 -17.7
  2000 -17.8 -18.9 -19.5 -18.1 -21.0 -23.6 -21.9 -21.2 -21.7 -20.8 -27.6 -36.0
  2001 -40.7 -49.1 -51.0 -49.9 -38.5 -25.2 -11.9 -2.7 9.1 13.9 26.5 37.3
  2002 -9.7 -1.5 -15.6 -20.6 -23.1 -19.3 -11.3 -8.8 -9.2 -13.1 -17.1 -17.8
  2003 27.2 19.4 25.0 34.8 24.2 5.9 -13.7 -22.1 -27.2 -22.1 -25.8 -28.7
  2004 -38.1 -47.2 -52.2 -53.3 -46.6 -38.4 -26.3 -13.0 5.7 11.4 21.7 16.6
  2005 18.7 37.2 47.2 61.2 62.6 60.7 46.6 29.8 8.7 0.4 -0.5 0.5
  2006 17.0 18.4 28.3 46.9 64.8 66.8 63.4 63.7 70.8 73.1 64.8 77.5
  2007 74.0 83.9 92.6 55.2 27.5 12.5 6.1 1.7 -5.8 -7.0 -1.2 -3.1
  2008 -7.0 -9.8 -17.0 -27.2 -33.8 -36.7 -37.3 -35.5 -31.6 -33.7 -36.0 -43.3
  2009 -50.2 -53.2 -58.2 -36.1 8.2 39.3 58.5 72.9 80.9 92.7 115.8 145.0
  2010 196.3 235.9 352.0 289.5 158.3 102.8 71.7 48.3 31.8 20.7 5.6 6.7
  2011 6.5 5.2 -6.2 -22.8 -33.8 -36.1 -36.4 -35.9 -34.9 -31.6 -30.3 -29.8
  2012 -30.4 -29.6 -21.1 -8.1 0.3 6.8 9.2 10.8 12.8 10.7 12.2 10.5
  2013 8.0 7.8 -3.1 -19.0 -20.3 -22.0 -20.6 -17.4 -12.8 -15.3 -22.4 -28.3
  2014 -33.0 -44.7 -53.7 -58.7 -55.5 -52.6 -50.0 -51.1


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 10/31/2014
Next Release Date: 11/28/2014

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