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Weekly Natural Gas Storage Report

for week ending February 9, 2018   |   Released: February 15, 2018 at 10:30 a.m.   |   Next Release: February 22, 2018

Working gas in underground storage, Lower 48 states Summary text CSV JSN
    Historical Comparisons
Stocks
billion cubic feet (Bcf)
  Year ago
(02/09/17)
5-year average
(2013-17)
Region 02/09/18 02/02/18 net change implied flow   Bcf % change Bcf % change
East 432     488     -56     -56       485     -10.9     500     -13.6    
Midwest 468     543     -75     -75       648     -27.8     581     -19.4    
Mountain 122     131     -9     -9       151     -19.2     142     -14.1    
Pacific 213     213     0     0       205     3.9     233     -8.6    
South Central 649     703     -54     -54       972     -33.2     861     -24.6    
   Salt 178     184     -6     -6       333     -46.5     238     -25.2    
   Nonsalt 472     518     -46     -46       639     -26.1     623     -24.2    
Total 1,884     2,078     -194     -194       2,461     -23.4     2,317     -18.7    


Summary

Working gas in storage was 1,884 Bcf as of Friday, February 9, 2018, according to EIA estimates. This represents a net decrease of 194 Bcf from the previous week. Stocks were 577 Bcf less than last year at this time and 433 Bcf below the five-year average of 2,317 Bcf. At 1,884 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 02/09/18 02/02/18   net change
East 1.5     1.5       1.1    
Midwest 1.9     1.7       2.5    
Mountain 1.5     1.5       0.2    
Pacific 3.1     3.3       0.4    
South Central 1.9     1.9       1.3    
   Salt 3.3     3.2       0.5    
   Nonsalt 2.3     2.3       1.2    
Total 1.0     0.9       3.1