How does EIA calculate the year-ago and five-year averages in the Natural Gas Weekly Storage Report?

Calculations for the year-ago and five-year averages are explained in Appendix A of the Methodology section of the Storage Report.

Last updated: July 20, 2012

Other FAQs about Natural Gas

• Can I obtain a list of companies involved in the natural gas industry, such as utilities, pipeline companies, and storage operators?
• Does EIA have city or county-level energy consumption and price data?
• Does EIA have maps or information on the location of natural gas and oil pipelines?
• How can I choose my natural gas supplier in my state?
• How does EIA calculate the year-ago and five-year averages in the Natural Gas Weekly Storage Report?
• How much coal, natural gas, or petroleum is used to generate a kilowatt-hour of electricity?
• How much does it cost to produce crude oil and natural gas?
• How much natural gas does the United States have and how long will it last?
• How much natural gas is consumed (used) in the U.S.?
• What are Mcf, Btu, and therms? How do I convert prices in Mcf to Btus and therms?
• What are the major factors affecting natural gas prices?
• What is the average cost of natural gas used for electric power generation?
• What is the outlook for home heating fuel prices this winter?
• What is the total working gas capacity in underground natural gas storage?
• What is the volume of world natural gas reserves?
• What percentage of homes in the U.S. use natural gas?
• What types and amounts of energy are produced in each state?
• Where are the historical spot prices for natural gas?
• Where can I find international prices for natural gas?
• Where can I find shale gas and coal bed methane production and reserves data?
• Where is the boundary for state and federal offshore oil and gas production?
• Which states consume and produce the most natural gas?
• Why am I being charged more for propane than the price on EIA's website?