Working gas in storage was 3,299 Bcf as of Friday, September 13, 2013, according to EIA estimates. This represents a net increase of 46 Bcf from the previous week. Stocks were 187 Bcf less than last year at this time and 18 Bcf above the 5-year average of 3,281 Bcf. In the East Region, stocks were 122 Bcf below the 5-year average following net injections of 41 Bcf. Stocks in the Producing Region were 90 Bcf above the 5-year average of 1,010 Bcf after a net injection of 1 Bcf. Stocks in the West Region were 50 Bcf above the 5-year average after a net addition of 4 Bcf. At 3,299 Bcf, total working gas is within the 5-year historical range.