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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 Injections into Underground Storage  (Million Cubic Feet)
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|Montana Natural Gas Injections into Underground Storage  (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                                                                                                                            |        |        |        |        |        |        |        | 19,919 | 17,398 | 20,409
|1970's                                                                                                                            | 20,891 | 18,668 | 8,801  | 16,969 | 19,791 | 13,090 | 12,507 | 15,908 | 16,351 | 23,254
|1980's                                                                                                                            | 29,751 | 30,147 | 25,180 | 33,262 | 39,814 | 36,786 | 22,084 | 22,894 | 13,782 | 10,479
|1990's                                                                                                                            | 14,648 | 12,392 | 11,708 | 10,894 | 14,690 | 18,054 | 19,871 | 18,219 | 23,876 | 20,232
|2000's                                                                                                                            | 15,571 | 33,998 | 39,809 | 35,082 | 31,339 | 29,118 | 42,492 | 26,512 | 18,394 | 57,631
|2010's                                                                                                                            | 35,577 | 17,582 | 26,813 | 21,426 | 15,290 | 19,826 | 27,573 | 24,340 | 23,554 | 23,852
|2020's                                                                                                                            | 33,342 | 25,903 | 32,515 | 29,758 |        |        |        |        |        |       
|- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
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|Release Date: 7/31/2024                                                                                                          
|Next Release Date: 8/30/2024