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Weekly Natural Gas Storage Report

for week ending July 21, 2017   |   Released: July 27, 2017 at 10:30 a.m.   |   Next Release: August 3, 2017

Working gas in underground storage, Lower 48 states Summary text CSV JSN
    Historical Comparisons
Stocks
billion cubic feet (Bcf)
  Year ago
(07/21/16)
5-year average
(2012-16)
Region 07/21/17 07/14/17 net change implied flow   Bcf % change Bcf % change
East 626     609     17     17       712     -12.1     661     -5.3    
Midwest 744     733     11     11       813     -8.5     701     6.1    
Mountain 197     194     3     3       213     -7.5     172     14.5    
Pacific 294     292     2     2       318     -7.5     325     -9.5    
South Central 1,129     1,145     -16     -16       1,236     -8.7     1,020     10.7    
   Salt 318     330     -12     -12       338     -5.9     272     16.9    
   Nonsalt 812     816     -4     -4       898     -9.6     747     8.7    
Total 2,990     2,973     17     17       3,292     -9.2     2,879     3.9    


Summary

Working gas in storage was 2,990 Bcf as of Friday, July 21, 2017, according to EIA estimates. This represents a net increase of 17 Bcf from the previous week. Stocks were 302 Bcf less than last year at this time and 111 Bcf above the five-year average of 2,879 Bcf. At 2,990 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 2012 through 2016. 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 07/21/17 07/14/17   net change
East 1.5     1.6       0.5    
Midwest 1.5     1.4       0.6    
Mountain 1.7     1.8       0.4    
Pacific 2.7     2.9       0.4    
South Central 1.7     1.7       1.4    
   Salt 3.4     3.4       1.2    
   Nonsalt 1.9     1.9       0.7    
Total 0.8     0.9       1.7