Summary

Working gas in storage was 3,814 Bcf as of Friday, December 18, 2015, according to EIA estimates. This represents a net decline of 32 Bcf from the previous week. Stocks were 561 Bcf higher than last year at this time and 411 Bcf above the five-year average of 3,403 Bcf. At 3,814 Bcf, total working gas is above the five-year historical range.

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