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6/2001 Monthly Natural Gas Underground Storage 




  Underground Natural Gas Storage - All Operators, 1995-2001
  (Volumes in Billion Cubic Feet)
  _________________________________________________________________
                                                                   
                          Natural Gas in         Change In Working 
                       Underground Storage              Gas        
                         at End of Period         from Same Period 
  Year and Month                                   Previous Year   
                  _________________________________________________
                                                                   
                                                                   
                     Base    Working   Totalb/    Volume   Percent 
                     Gas       Gas                                 
  _________________________________________________________________
                                                                   
                                                                   
  1995 Totala/...    4,349     2,153     6,503      -453    -17.4  
  1996 Totala/...    4,341     2,173     6,513        19      0.9  
  1997 Totala/...    4,350     2,175     6,525         2      0.1  
  1998 Totala/...    4,326     2,730     7,056       554     25.5  
                                                                   
  1999                                                             
    January......    4,332     2,073     6,404       361     21.1  
    February.....    4,329     1,746     6,075       319     22.4  
    March........    4,383     1,406     5,789       223     18.9  
    April........    4,381     1,495     5,876       109      7.9  
    May..........    4,371     1,835     6,206        61      3.4  
    June.........    4,370     2,149     6,519        36      1.7  
    July.........    4,370     2,379     6,749       -41     -2.0  
    August.......    4,368     2,610     6,978       -88     -3.3  
    September....    4,369     2,923     7,292        -5     -0.2  
    October......    4,370     3,073     7,443      -118     -3.7  
    November.....    4,380     3,065     7,445       -90     -2.8  
    December.....    4,383     2,523     6,906      -207     -7.6  
                                                                   
    Total........    __        __        __        __        __    
                                                                   
  2000                                                             
    January......    4,363     1,725     6,088      -370    -17.6  
    February.....    4,371     1,300     5,672      -491    -27.4  
    March........    4,364     1,150     5,514      -280    -19.6  
    April........    4,363     1,184     5,547      -329    -21.8  
    May..........    4,356     1,426     5,782      -420    -22.8  
    June.........    4,355     1,706     6,061      -450    -20.9  
    July.........    4,355     1,996     6,351      -394    -16.5  
    August.......    4,355     2,190     6,544      -442    -16.8  
    September....    4,354     2,473     6,827      -450    -15.4  
    October......  d/4,354   d/2,699     7,053      -374    -12.2  
    November.....  d/4,358   d/2,443     6,801      -622    -20.3  
    December.....  d/4,352   d/1,720     6,072      -803    -31.8  
                                                                   
    Total........    __        __        __        __        __    
                                                                   
  2001                                                             
    January......    4,344     1,265     5,609      -459    -26.6  
    February.....    4,328       912     5,241      -388    -29.8  
    March........    4,300       742     5,042      -408    -35.5  
    April........    4,261       992     5,253      -192    -16.2  
    May(STIFS)... RE/4,261  RE/1,467  RE/5,728     RE/41   RE/2.9  
    June(STIFS)..  E/4,261   E/1,940   E/6,201     E/234   E/13.7  
  _________________________________________________________________
                                                                   

  See footnotes at end of table.





  Underground Natural Gas Storage - All Operators, 1995-2001
  (Volumes in Billion Cubic Feet) - Continued
  _______________________________________________________________
                                                                 
                                                                 
                                  Storage Activity               
                                                                 
  Year and Month                                                 
                  _______________________________________________
                                                                 
                                                                 
                     Injections     Withdrawals         Net      
                                                   Withdrawalsc/ 
  _______________________________________________________________
                                                                 
                                                                 
  1995 Totala/...       2,566           2,974             408    
  1996 Totala/...       2,906           2,911               6    
  1997 Totala/...       2,800           2,824              24    
  1998 Totala/...       2,905           2,379            -526    
                                                                 
  1999                                                           
    January......          58             682             624    
    February.....          63             385             321    
    March........          87             384             297    
    April........         210             120             -90    
    May..........         381              45            -337    
    June.........         349              42            -307    
    July.........         298              81            -217    
    August.......         311              90            -221    
    September....         358              43            -315    
    October......         247              92            -155    
    November.....         173             205              32    
    December.....          63             606             543    
                                                                 
    Total........       2,598           2,772             174    
                                                                 
  2000                                                           
    January......          48             829             780    
    February.....          78             532             454    
    March........         132             294             162    
    April........         181             145             -36    
    May..........         308              75            -232    
    June.........         339              67            -272    
    July.........         368              77            -290    
    August.......         296             102            -193    
    September....         354              72            -282    
    October......         313              87            -227    
    November.....         108             401             293    
    December.....          65             755             690    
                                                                 
    Total........       2,591           3,436             845    
                                                                 
  2001                                                           
    January......          93             559             467    
    February.....          71             409             338    
    March........         113             293             181    
    April........         345              68            -276    
    May(STIFS)...       NA              NA             E/-475    
    June(STIFS)..       NA              NA             E/-473    
  _______________________________________________________________
                                                                 

   a/ Total as of December 31.
   b/ Total underground storage capacity at the end of each
  calendar year (in billion cubic feet):  1995 - 7,953; 1996 -
  7,980; 1997 - 8,332; 1998 - 8,179; 1999 - 8,229; and 2000 -
  8,246.
   c/ Negative numbers indicate the volume of injections in
  excess of withdrawals. Positive numbers indicate the volume of
  withdrawals in excess of injections. 
   d/ Reflects one respondent's reclassification of natural gas
  in underground storage from working gas to base gas. 
   E/  = Estimated Data.
  RE/  = Revised Estimated Data.
   NA  = Not Available.
   __  = Not Applicable.





      Notes:  Data for 1995 through 1999 are final.  All other
  data are preliminary unless otherwise noted.  Estimates for the
  most recent two months are derived from the Short-Term
  Integrated Forecasting System (STIFS). See Natural Gas Monthly,
  Appendix A Explanatory Note 7 for a discussion of revision
  policy.  Gas in storage at the end of a reporting period may
  not equal the quantity derived by adding or subtracting net
  injections or withdrawals during the period to the quantity of
  gas in storage at the beginning of the period.  Totals may not
  equal sum of components because of independent rounding. 
  Geographic coverage is the 50 States and the District of
  Columbia.  
     Sources: Energy Information Administration, Form EIA-191,
  Monthly Underground Gas Storage Report of Natural and
  Supplemental Gas Supply and Disposition," and STIFS. 
  ____________
  For additional information, please contact the Energy
  Information Administration's National Energy Information Center
  at (202)586-8800. 



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