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Weekly Natural Gas Storage Report

for week ending February 17, 2017   |   Released: February 23, 2017 at 10:30 a.m.   |   Next Release: March 2, 2017

Working gas in underground storage, Lower 48 states Summary text CSV JSN
    Historical Comparisons
Stocks
billion cubic feet (Bcf)
  Year ago
(02/17/16)
5-year average
(2012-16)
Region 02/17/17 02/10/17 net change implied flow   Bcf % change Bcf % change
East 431     479     -48     -48       528     -18.4     472     -8.7    
Midwest 612     642     -30     -30       658     -7.0     532     15.0    
Mountain 146     150     -4     -4       147     -0.7     137     6.6    
Pacific 206     205     1     1       256     -19.5     240     -14.2    
South Central 961     969     -8     -8       1,029     -6.6     819     17.3    
   Salt 328     332     -4     -4       282     16.3     201     63.2    
   Nonsalt 633     636     -3     -3       747     -15.3     618     2.4    
Total 2,356     2,445     -89     -89       2,617     -10.0     2,200     7.1    


Summary

Working gas in storage was 2,356 Bcf as of Friday, February 17, 2017, according to EIA estimates. This represents a net decrease of 89 Bcf from the previous week. Stocks were 261 Bcf less than last year at this time and 156 Bcf above the five-year average of 2,200 Bcf. At 2,356 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 02/17/17 02/10/17   net change
East 1.8     1.7       0.6    
Midwest 1.4     1.3       0.6    
Mountain 2.1     1.9       0.5    
Pacific 3.3     3.1       0.5    
South Central 1.9     1.8       1.5    
   Salt 3.8     3.6       1.0    
   Nonsalt 2.1     2.1       1.2    
Total 1.0     0.9       1.9