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Weekly Natural Gas Storage Report

for week ending May 18, 2018   |   Released: May 24, 2018 at 10:30 a.m.   |   Next Release: May 31, 2018

Working gas in underground storage, Lower 48 states Summary text CSV JSN
    Historical Comparisons
Stocks
billion cubic feet (Bcf)
  Year ago
(05/18/17)
5-year average
(2013-17)
Region 05/18/18 05/11/18 net change implied flow   Bcf % change Bcf % change
East 299     275     24     24       387     -22.7     400     -25.3    
Midwest 288     267     21     21       559     -48.5     446     -35.4    
Mountain 107     98     9     9       165     -35.2     135     -20.7    
Pacific 213     204     9     9       249     -14.5     261     -18.4    
South Central 722     694     28     28       1,073     -32.7     885     -18.4    
   Salt 226     216     10     10       338     -33.1     270     -16.3    
   Nonsalt 496     477     19     19       735     -32.5     616     -19.5    
Total 1,629     1,538     91     91       2,433     -33.0     2,128     -23.4    


Summary

Working gas in storage was 1,629 Bcf as of Friday, May 18, 2018, according to EIA estimates. This represents a net increase of 91 Bcf from the previous week. Stocks were 804 Bcf less than last year at this time and 499 Bcf below the five-year average of 2,128 Bcf. At 1,629 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 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 05/18/18 05/11/18   net change
East 1.9     2.1       0.3    
Midwest 1.5     1.4       0.6    
Mountain 2.3     2.2       1.4    
Pacific 2.1     2.3       0.3    
South Central 1.8     1.9       1.1    
   Salt 2.2     2.4       0.7    
   Nonsalt 2.4     2.5       0.8    
Total 1.0     1.0       1.9