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|View History:  Monthly  Annual Download Data (XLS File)                     
|View History:  Monthly  Annual                                               
|View History:  Monthly  Annual                                               
|View History:                                                                
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|U.S. Natural Gas Salt Underground Storage Activity-Net   (Million Cubic Feet)
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|U.S. Natural Gas Salt Underground Storage Activity-Net   (Million Cubic Feet)
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|Year                                                                                                                              | Jan     | Feb     | Mar     | Apr     | May     | Jun     | Jul     | Aug    | Sep     | Oct     | Nov     | Dec    
|--------------------------------------------------------------------------------------------------------------------------------- | ------- | ------- | ------- | ------- | ------- | ------- | ------- | ------ | ------- | ------- | ------- | -------
|1994                                                                                                                              | 10,392  | 8,240   | -5,388  | -8,413  | -10,057 | 1,821   | -7,093  | -1,521 | -6,471  | -2,834  | -1,684  | 3,633  
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|1995                                                                                                                              | 9,416   | 8,434   | 6,107   | -7,758  | -7,341  | -5,091  | 2,509   | 13,002 | -17,512 | -7,654  | 3,933   | 7,377  
|1996                                                                                                                              | 17,291  | 9,889   | 10,896  | -19,625 | -5,610  | -9,002  | -6,162  | -4,891 | -9,309  | -2,965  | 4,626   | 2,242  
|1997                                                                                                                              | 30,058  | 8,320   | -5,721  | -2,497  | -14,167 | -6,635  | 14,535  | -327   | -12,197 | -15,608 | -1,737  | 12,343 
|1998                                                                                                                              | 12,836  | 3,478   | 5,702   | -18,188 | -3,318  | 1,958   | -7,927  | -2,348 | 8,533   | -32,628 | -4,677  | 14,940 
|1999                                                                                                                              | 19,480  | 4,688   | 7,953   | -9,292  | -17,062 | -6,320  | 8,091   | -7,547 | -10,497 | -2,000  | -3,846  | 15,783 
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|2000                                                                                                                              | 34,253  | -798    | -3,447  | -5,142  | -3,270  | -13,004 | -8,644  | 7,905  | -12,251 | -8,818  | 1,359   | 36,057 
|2001                                                                                                                              | -2,082  | 4,967   | 14,782  | -17,376 | -15,232 | -281    | -3,042  | 1,109  | -15,629 | -9,782  | -14,036 | 9,112  
|2002                                                                                                                              | 22,482  | 18,446  | 9,053   | -12,134 | -15,306 | -10,176 | 7,404   | -4,902 | -7,016  | -7,119  | -363    | 4,494  
|2003                                                                                                                              | 43,082  | 18,499  | -18,331 | -14,486 | -14,956 | -10,642 | -1,044  | -3,032 | -21,429 | -7,083  | 3,628   | -179   
|2004                                                                                                                              | 32,666  | 25,445  | -10,737 | -9,653  | -9,099  | -12,811 | -6,501  | 2,572  | 8,241   | -23,141 | -1,225  | 27,212 
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|2005                                                                                                                              | 17,805  | -7,257  | 11,662  | -15,230 | -9,046  | -2,093  | 8,856   | 7,973  | -4,353  | -29,079 | -22,174 | 9,180  
|2006                                                                                                                              | -6,364  | 30,510  | 1,315   | -18,262 | -10,639 | -1,974  | 15,123  | 4,053  | -25,062 | -5,005  | -5,729  | 3,097  
|2007                                                                                                                              | 33,510  | 35,791  | -19,517 | -5,894  | -21,389 | -3,250  | -7,302  | 20,603 | -12,157 | -22,150 | 10,639  | 11,115 
|2008                                                                                                                              | 45,327  | -5,928  | -6,823  | -15,270 | -19,852 | -14,061 | -1,012  | 1,330  | 18,245  | -26,512 | -19,036 | 1,548  
|2009                                                                                                                              | 50,410  | 7,447   | -25,969 | -36,243 | -34,229 | -3,921  | -16,362 | -5,892 | -20,562 | -9,220  | -15,390 | 53,921 
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|2010                                                                                                                              | 64,700  | 30,598  | -37,127 | -42,459 | -28,426 | -3,518  | 9,102   | 9,164  | -38,907 | -51,072 | -21,148 | 50,798 
|2011                                                                                                                              | 45,541  | 49,383  | -25,271 | -21,695 | -39,653 | -6,355  | 29,410  | 16,715 | -35,456 | -77,587 | -34,373 | 6,927  
|2012                                                                                                                              | 24,810  | 32,300  | -49,609 | 6,182   | -1,472  | 989     | 23,492  | 14,174 | -36,744 | -53,047 | -5,390  | 24,787 
|2013                                                                                                                              | 52,528  | 51,527  | 25,156  | -36,539 | -46,205 | -11,365 | -3,870  | 9,144  | -33,590 | -38,194 | 16,710  | 43,411 
|2014                                                                                                                              | 127,830 | 49,157  | 27,139  | -51,393 | -59,579 | -34,075 | -19,542 | -7,393 | -43,873 | -60,665 | -4,489  | -5,006 
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|2015                                                                                                                              | 81,296  | 125,118 | -11,713 | -82,096 | -63,844 | -15,145 | 165     | -4,289 | -31,299 | -43,326 | -13,242 | 2,093  
|2016                                                                                                                              | 76,423  | 16,056  | -28,186 | -38,416 | -10,389 | 19,115  | 29,494  | 36,682 | -14,209 | -88,749 | -19,566 | 53,473 
|2017                                                                                                                              | 11,252  | 9,506   | 35,080  | -35,830 | -16,002 | 3,575   | 34,260  | 24,483 | -37,958 | -32,740 | -27,833 | 82,579 
|2018                                                                                                                              | 105,528 | -4,551  | 3,508   | -8,454  | -47,318 | -5,520  | 41,442  | 26,618 | -3,675  | -61,292 | -16,084 | -33,930
|2019                                                                                                                              | 62,430  | 62,005  | 19,109  | -73,043 | -24,652 | -4,434  | 35,007  | 26,242 | -31,196 | -77,178 | -18,561 | 659    
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|2020                                                                                                                              | 44,395  | 52,019  | -34,388 | -70,492 | -26,125 | -8,453  | 28,551  | 1,190  | -33,231 | 19,400  | -24,753 | 37,941 
|2021                                                                                                                              | 59,256  | 106,624 | -64,897 | -24,943 | -40,495 | 16,096  | 39,958  | 38,985 | -54,331 | -69,291 | 1,236   | -20,081
|2022                                                                                                                              | 134,289 | 71,904  | -25,541 | -64,801 | -14,690 | 20,956  | 33,144  | 12,436 | -44,340 | -75,893 | -13,687 | 42,591 
|2023                                                                                                                              | -8,922  | 25,809  | -2,324  | -20,159 | -36,365 | -10,566 | 40,197  | 43,203 | -24,213 | -54,927 | -15,462 | -6,953 
|2024                                                                                                                              | 79,857  |         |         |         |         |         |         |        |         |         |         |        
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|- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
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|Release Date: 3/29/2024                                                                                                          
|Next Release Date: 4/30/2024