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Weekly Natural Gas Storage Report

for week ending May 17, 2019   |   Released: May 23, 2019 at 10:30 a.m.   |   Next Release: May 30, 2019

Working gas in underground storage, Lower 48 states Summary text CSV JSN
    Historical Comparisons
Stocks
billion cubic feet (Bcf)
  Year ago
(05/17/18)
5-year average
(2014-18)
Region 05/17/19 05/10/19 net change implied flow   Bcf % change Bcf % change
East 353     330     23     23       296     19.3     369     -4.3    
Midwest 364     336     28     28       285     27.7     416     -12.5    
Mountain 89     82     7     7       106     -16.0     131     -32.1    
Pacific 186     174     12     12       212     -12.3     245     -24.1    
South Central 762     731     31     31       718     6.1     867     -12.1    
   Salt 249     240     9     9       225     10.7     266     -6.4    
   Nonsalt 513     491     22     22       493     4.1     601     -14.6    
Total 1,753     1,653     100     100       1,616     8.5     2,027     -13.5    

Totals may not equal sum of components because of independent rounding.

Summary

Working gas in storage was 1,753 Bcf as of Friday, May 17, 2019, according to EIA estimates. This represents a net increase of 100 Bcf from the previous week. Stocks were 137 Bcf higher than last year at this time and 274 Bcf below the five-year average of 2,027 Bcf. At 1,753 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.

Working Gas in Underground Storage Compared with Five-Year Range

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 05/17/19 05/10/19   net change
East 1.3     1.4       0.8    
Midwest 0.7     0.8       0.6    
Mountain 1.0     1.1       0.2    
Pacific 0.0     0.0       0.0    
South Central 0.8     0.8       0.3    
   Salt 2.1     2.2       0.3    
   Nonsalt 0.6     0.6       0.2    
Total 0.5     0.5       1.1