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Purchased Gas Adjustment (PGA) history
| Month | PGA (per MCF of gas used) | | May 2012 | $2.6372 | | April 2012 | $2.7760 | | March 2012 | $3.3480 | | February 2012 | $2.9862 | | January 2012 | $3.3764 | | December 2011 | $3.9113 | | November 2011 | $4.2920 | | October 2011 | $4.1476 | | September 2011 | $4.7294 | | August 2011 | $5.5295 | | July 2011 | $5.1720 | | June 2011 | $5.1704 | | May 2011 | $4.7988 | | April 2011 | $4.6682 |
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