Working gas in storage was 3,386 Bcf as of Friday, September 20, 2013, according to EIA estimates. This represents a net increase of 87 Bcf from the previous week. Stocks were 179 Bcf less than last year at this time and 30 Bcf above the 5-year average of 3,356 Bcf. In the East Region, stocks were 115 Bcf below the 5-year average following net injections of 54 Bcf. Stocks in the Producing Region were 95 Bcf above the 5-year average of 1,030 Bcf after a net injection of 25 Bcf. Stocks in the West Region were 50 Bcf above the 5-year average after a net addition of 8 Bcf. At 3,386 Bcf, total working gas is within the 5-year historical range.