Working gas in underground storage, Lower 48 states Summary text CSV JSN |
| | Historical Comparisons |
Stocks billion cubic feet (Bcf) | | Year ago (05/31/18) | 5-year average (2014-18) |
Region | 05/31/19 | 05/24/19 | net change | implied flow | | Bcf | % change | Bcf | % change |
East | 414 | | | 383 | | | 31 | | | 31 | | | | 348 | | | 19.0 | | | 427 | | | -3.0 | | |
Midwest | 436 | | | 399 | | | 37 | | | 37 | | | | 337 | | | 29.4 | | | 473 | | | -7.8 | | |
Mountain | 101 | | | 93 | | | 8 | | | 8 | | | | 120 | | | -15.8 | | | 142 | | | -28.9 | | |
Pacific | 213 | | | 198 | | | 15 | | | 15 | | | | 230 | | | -7.4 | | | 263 | | | -19.0 | | |
South Central | 821 | | | 793 | | | 28 | | | 28 | | | | 769 | | | 6.8 | | | 920 | | | -10.8 | | |
Salt | 256 | | | 253 | | | 3 | | | 3 | | | | 244 | | | 4.9 | | | 281 | | | -8.9 | | |
Nonsalt | 565 | | | 540 | | | 25 | | | 25 | | | | 526 | | | 7.4 | | | 639 | | | -11.6 | | |
Total | 1,986 | | | 1,867 | | | 119 | | | 119 | | | | 1,804 | | | 10.1 | | | 2,226 | | | -10.8 | | |
Totals may not equal sum of components because of independent rounding. |
Summary
Working gas in storage was 1,986 Bcf as of Friday, May 31, 2019, according to EIA estimates. This represents a net increase of 119 Bcf from the previous week. Stocks were 182 Bcf higher than last year at this time and 240 Bcf below the five-year average of 2,226 Bcf. At 1,986 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 2014 through 2018. 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 | 05/31/19 | 05/24/19 | | net change |
East | 1.3 | | | 1.3 | | | | 0.3 | | |
Midwest | 0.7 | | | 0.7 | | | | 0.6 | | |
Mountain | 1.0 | | | 1.0 | | | | 0.3 | | |
Pacific | 0.0 | | | 0.0 | | | | 0.0 | | |
South Central | 0.8 | | | 0.8 | | | | 0.6 | | |
Salt | 2.1 | | | 2.1 | | | | 0.4 | | |
Nonsalt | 0.6 | | | 0.6 | | | | 0.5 | | |
Total | 0.5 | | | 0.5 | | | | 0.9 | | |
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