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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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|Montana Natural Gas Underground Storage Net Withdrawals  (Million Cubic Feet)
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|Montana Natural Gas Underground Storage Net Withdrawals  (Million Cubic Feet)
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|Decade                                                                                                                            | Year-0  | Year-1  | Year-2 | Year-3  | Year-4  | Year-5 | Year-6  | Year-7  | Year-8 | Year-9 
|--------------------------------------------------------------------------------------------------------------------------------- | ------- | ------- | ------ | ------- | ------- | ------ | ------- | ------- | ------ | -------
|1960's                                                                                                                            |         |         |        |         |         |        |         | -13,819 | -9,389 | -9,555 
|1970's                                                                                                                            | -10,476 | -6,804  | -1,520 | -4,565  | -5,444  | 8,635  | 7,341   | 1,690   | 3,586  | -7,757 
|1980's                                                                                                                            | -14,116 | -17,139 | -6,459 | -20,041 | -16,237 | -9,425 | -10,864 | -14,297 | 6,570  | 22,058 
|1990's                                                                                                                            | 7,138   | 9,737   | 12,602 | 21,308  | 7,819   | 3,599  | 11,725  | 11,962  | -400   | 7,884  
|2000's                                                                                                                            | 13,911  | -9,198  | -5,933 | 8,564   | -2,647  | -19    | -17,896 | 1,292   | 17,270 | -32,563
|2010's                                                                                                                            | -3,718  | 17,556  | -4,323 | 12,926  | 16,007  | -3,197 | -7,364  | 2,360   | 7,240  | 402    
|2020's                                                                                                                            | -7,211  | 2,204   | -1,731 | -5,223  |         |        |         |         |        |        
|- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
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|Release Date: 5/31/2024                                                                                                          
|Next Release Date: 6/28/2024