Summary
Working gas in storage was 3,852 Bcf as of Friday, November 18, 2011, according to EIA estimates. This represents a net increase of 9 Bcf from the previous week. Stocks were 23 Bcf higher than last year at this time and 233 Bcf above the 5-year average of 3,619 Bcf. In the East Region, stocks were 65 Bcf above the 5-year average following no net change in storage levels. Stocks in the Producing Region were 146 Bcf above the 5-year average of 1,101 Bcf after a net injection of 5 Bcf. Stocks in the West Region were 22 Bcf above the 5-year average after a net addition of 4 Bcf. At 3,852 Bcf, total working gas is above the 5-year historical range.

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