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WGL - Year-to-Year Trend in the Net Purchased Gas Charges (PGC) (cents/Per therm)
Period Beginning 4/97 through 04/08
 
Year Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec
1997       33.36 34.08 36.36 36.74 35.60 40.37 47.09 56.49 45.10
        6.4% 8.1% 8.8% 6.6% 11.0% -1.9% -13.6% -36.0% -7.8%
1998 41.76 36.66 37.65 35.64 37.09 39.85 39.33 40.00 39.62 41.46 41.53 41.85
  0.6%
 2.7%
 -16.0%
 -17.7%
 -9.3%
 -2.4%
 1.5%
 -2.8% 19.1%
 15.4%
 12.5%
 -4.2%
1999 42.03 37.67 32.47 30.29 33.92 38.91 39.91 38.91 48.99 48.99 47.47 40.17
  -4.6%
 9.5%
 22.7%
 27.9%
 8.3%
 47.3%
 15.6%
 17.7%
 17.4%
 23.5%
 25.8%
 42.4%
2000 40.17 41.64 41.99 41.99 36.99 37.63 47.29 47.29 59.29 64.00 64.00 69.74
  52.7%
 49.3%
 45.3%
 47.4%
 79.8%
 65.8% 28.2%
 28.2%
 -10.8%
 -19.6%
 -19.6%
 -17.9%
2001 84.92 82.20 76.83 79.77 79.77 65.84 65.84 65.84 53.52 53.52 53.52 59.16
  -43.5%
 -63.9%
 -50.3%
 -32.6%
 -32.6%
 -3.2%
 -3.2%
 -3.2% 9.3%
 9.3%
 14.5%
 -8.5%
2002 59.16 50.16 51.13 60.16 60.16 63.77 63.77 63.77 58.98 58.98 62.63 54.53
  -5.8%
 16.8%
 47.8%
 21.2%
 15.0%
 22.1%
 16.0%
 16.0%
 15.1%
 15.1%
 9.8%
 23.6%
2003 55.92 60.27 98.03 76.33 70.79 81.89 75.95 75.95 69.47 69.47 69.47 71.36
  39.6%
 37.0%
 -44.6%
 -1.0%
 19.7%
 11.3%
 16.1%
 16.1%
 12.6%
 12.6%
 37.2%
 28.0%
2004 78.05 82.55 67.78 75.57
 84.72
 91.16 88.17
 88.17
 78.19
 78.19
 95.31
 91.36
  21.8%
 13.9%
 22.7% 10.1% 14.9% -1.7% 11.5% 11.5% 41.4% 78.4% 46.3% 39.9%
2005 95.05
 94.02
 83.17 83.17 97.33 89.65 98.33 98.33 110.53 139.48 139.48 127.82
  57.9%
 49.2%
 40.7% 40.7% -0.3% -11.8%
 -19.6%
 -21.4%
 -20.7%
 -36.5%
 -30.2%
 -12.0%
2006 150.07 140.29 117.03 117.03 97.01 79.03
 79.03
 77.3
 87.68
 88.52
 97.41
 112.48
  -25.0%
 -19.8%
 -12.6% -12.6% 5.5% 31.3% 24.3% 15.1% 14.0% 6.3% 4.2% -2.6%
2007 112.48 112.48 102.31 102.31 102.31 103.79 98.25 88.97 99.96 94.12 101.51 109.49
  -6.6%
 -2.2%
 7.7% 1.7%                
2008 105.03 110.00 110.18 104.11                
Notes :
Green -Represents a decrease in the net PGC rate between the month of the preceding year.
Red -Represents an increase in the net PGC rate between the month of the preceding year.
 
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