Working gas in underground storage, Lower 48 states Summary text CSV JSN |
| | Historical Comparisons |
Stocks billion cubic feet (Bcf) | | Year ago (12/29/16) | 5-year average (2012-16) |
Region | 12/29/17 | 12/22/17 | net change | implied flow | | Bcf | % change | Bcf | % change |
East | 740 | | | 782 | | | -42 | | | -42 | | | | 740 | | | 0.0 | | | 776 | | | -4.6 | | |
Midwest | 875 | | | 941 | | | -66 | | | -66 | | | | 925 | | | -5.4 | | | 901 | | | -2.9 | | |
Mountain | 183 | | | 195 | | | -12 | | | -12 | | | | 208 | | | -12.0 | | | 187 | | | -2.1 | | |
Pacific | 268 | | | 281 | | | -13 | | | -13 | | | | 276 | | | -2.9 | | | 310 | | | -13.5 | | |
South Central | 1,060 | | | 1,133 | | | -73 | | | -73 | | | | 1,169 | | | -9.3 | | | 1,143 | | | -7.3 | | |
Salt | 302 | | | 324 | | | -22 | | | -22 | | | | 340 | | | -11.2 | | | 322 | | | -6.2 | | |
Nonsalt | 759 | | | 809 | | | -50 | | | -50 | | | | 829 | | | -8.4 | | | 821 | | | -7.6 | | |
Total | 3,126 | | | 3,332 | | | -206 | | | -206 | | | | 3,318 | | | -5.8 | | | 3,318 | | | -5.8 | | |
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Summary
Working gas in storage was 3,126 Bcf as of Friday, December 29, 2017, according to EIA estimates. This represents a net decrease of 206 Bcf from the previous week. Stocks were 192 Bcf less than last year at this time and 192 Bcf below the five-year average of 3,318 Bcf. At 3,126 Bcf, total working gas is within the five-year historical range.
For information on sampling error in this report, see Estimated Measures of Sampling Variability table below.
Note: The shaded area indicates the range between the historical minimum and maximum values for the weekly series from 2012 through 2016. The dashed vertical lines indicate current and year-ago weekly periods.
Estimated measures of sampling variabilityDownload History (April 2015 to Present) |
| |
Coefficient of Variation for Stocks % of working gas | | Standard Error for Net Change billion cubic feet (Bcf) |
Region | 12/29/17 | 12/22/17 | | net change |
East | 1.4 | | | 1.4 | | | | 0.7 | | |
Midwest | 1.7 | | | 1.7 | | | | 1.4 | | |
Mountain | 1.6 | | | 1.6 | | | | 0.4 | | |
Pacific | 2.5 | | | 2.7 | | | | 1.2 | | |
South Central | 1.7 | | | 1.7 | | | | 2.2 | | |
Salt | 3.4 | | | 3.5 | | | | 1.6 | | |
Nonsalt | 2.0 | | | 2.0 | | | | 1.5 | | |
Total | 0.9 | | | 0.9 | | | | 3.0 | | |
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