Summary
Working gas in storage was 3,831 Bcf as of Friday, December 2, 2011, according to EIA estimates. This represents a net decline of 20 Bcf from the previous week. Stocks were 102 Bcf higher than last year at this time and 307 Bcf above the 5-year average of 3,524 Bcf. In the East Region, stocks were 96 Bcf above the 5-year average following net withdrawals of 16 Bcf. Stocks in the Producing Region were 169 Bcf above the 5-year average of 1,087 Bcf after a net withdrawal of 5 Bcf. Stocks in the West Region were 43 Bcf above the 5-year average after a net addition of 1 Bcf. At 3,831 Bcf, total working gas is above the 5-year historical range.

http://ir.eia.gov/ngs/ngs.html