Working gas in underground storage, Lower 48 states Summary text CSV JSN |
| | Historical Comparisons |
Stocks billion cubic feet (Bcf) | | Year ago (09/21/17) | 5-year average (2013-17) |
Region | 09/21/18 | 09/14/18 | net change | implied flow | | Bcf | % change | Bcf | % change |
East | 729 | | | 709 | | | 20 | | | 20 | | | | 846 | | | -13.8 | | | 825 | | | -11.6 | | |
Midwest | 800 | | | 770 | | | 30 | | | 30 | | | | 960 | | | -16.7 | | | 942 | | | -15.1 | | |
Mountain | 173 | | | 170 | | | 3 | | | 3 | | | | 216 | | | -19.9 | | | 202 | | | -14.4 | | |
Pacific | 259 | | | 255 | | | 4 | | | 4 | | | | 306 | | | -15.4 | | | 331 | | | -21.8 | | |
South Central | 807 | | | 818 | | | -11 | | | -11 | | | | 1,129 | | | -28.5 | | | 1,090 | | | -26.0 | | |
Salt | 173 | | | 184 | | | -11 | | | -11 | | | | 305 | | | -43.3 | | | 281 | | | -38.4 | | |
Nonsalt | 634 | | | 635 | | | -1 | | | -1 | | | | 824 | | | -23.1 | | | 809 | | | -21.6 | | |
Total | 2,768 | | | 2,722 | | | 46 | | | 46 | | | | 3,458 | | | -20.0 | | | 3,389 | | | -18.3 | | |
Totals may not equal sum of components because of independent rounding. |
Summary
Working gas in storage was 2,768 Bcf as of Friday, September 21, 2018, according to EIA estimates. This represents a net increase of 46 Bcf from the previous week. Stocks were 690 Bcf less than last year at this time and 621 Bcf below the five-year average of 3,389 Bcf. At 2,768 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 | 09/21/18 | 09/14/18 | | net change |
East | 1.0 | | | 1.0 | | | | 0.2 | | |
Midwest | 0.9 | | | 0.9 | | | | 0.6 | | |
Mountain | 1.7 | | | 1.7 | | | | 0.1 | | |
Pacific | 0.0 | | | 0.0 | | | | 0.0 | | |
South Central | 0.6 | | | 0.6 | | | | 0.6 | | |
Salt | 2.4 | | | 2.3 | | | | 0.4 | | |
Nonsalt | 0.5 | | | 0.5 | | | | 0.5 | | |
Total | 0.4 | | | 0.4 | | | | 0.9 | | |
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