Summary
Working gas in storage was 2,833 Bcf as of Friday, August 12, 2011, according to EIA estimates. This represents a net increase of 50 Bcf from the previous week. Stocks were 175 Bcf less than last year at this time and 73 Bcf below the 5-year average of 2,906 Bcf. In the East Region, stocks were 120 Bcf below the 5-year average following net injections of 48 Bcf. Stocks in the Producing Region were 50 Bcf above the 5-year average of 903 Bcf after a net withdrawal of 8 Bcf. Stocks in the West Region were 3 Bcf below the 5-year average after a net addition of 10 Bcf. At 2,833 Bcf, total working gas is within the 5-year historical range.

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