Working gas in underground storage, Lower 48 states Summary text CSV JSN |
| | Historical Comparisons |
Stocks billion cubic feet (Bcf) | | Year ago (09/28/17) | 5-year average (2013-17) |
Region | 09/28/18 | 09/21/18 | net change | implied flow | | Bcf | % change | Bcf | % change |
East | 763 | | | 729 | | | 34 | | | 34 | | | | 859 | | | -11.2 | | | 848 | | | -10.0 | | |
Midwest | 836 | | | 800 | | | 36 | | | 36 | | | | 985 | | | -15.1 | | | 973 | | | -14.1 | | |
Mountain | 177 | | | 173 | | | 4 | | | 4 | | | | 220 | | | -19.5 | | | 206 | | | -14.1 | | |
Pacific | 262 | | | 259 | | | 3 | | | 3 | | | | 310 | | | -15.5 | | | 335 | | | -21.8 | | |
South Central | 829 | | | 807 | | | 22 | | | 22 | | | | 1,127 | | | -26.4 | | | 1,111 | | | -25.4 | | |
Salt | 181 | | | 173 | | | 8 | | | 8 | | | | 301 | | | -39.9 | | | 288 | | | -37.2 | | |
Nonsalt | 648 | | | 634 | | | 14 | | | 14 | | | | 827 | | | -21.6 | | | 823 | | | -21.3 | | |
Total | 2,866 | | | 2,768 | | | 98 | | | 98 | | | | 3,502 | | | -18.2 | | | 3,473 | | | -17.5 | | |
Totals may not equal sum of components because of independent rounding. |
Summary
Working gas in storage was 2,866 Bcf as of Friday, September 28, 2018, according to EIA estimates. This represents a net increase of 98 Bcf from the previous week. Stocks were 636 Bcf less than last year at this time and 607 Bcf below the five-year average of 3,473 Bcf. At 2,866 Bcf, total working gas is below 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 2013 through 2017. 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 | 09/28/18 | 09/21/18 | | net change |
East | 0.9 | | | 1.0 | | | | 0.8 | | |
Midwest | 0.9 | | | 0.9 | | | | 0.5 | | |
Mountain | 1.8 | | | 1.7 | | | | 0.2 | | |
Pacific | 0.0 | | | 0.0 | | | | 0.0 | | |
South Central | 0.6 | | | 0.6 | | | | 0.7 | | |
Salt | 2.3 | | | 2.4 | | | | 0.6 | | |
Nonsalt | 0.5 | | | 0.5 | | | | 0.3 | | |
Total | 0.4 | | | 0.4 | | | | 1.1 | | |
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