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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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|Year                                                                                                                              | Jan   | Feb   | Mar   | Apr   | May   | Jun   | Jul   | Aug   | Sep   | Oct   | Nov   | Dec  
|--------------------------------------------------------------------------------------------------------------------------------- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | -----
|1990                                                                                                                              | 137   | 138   | 399   | 945   | 1,030 | 1,589 | 2,636 | 2,459 | 2,918 | 1,868 | 224   | 305  
|1991                                                                                                                              | 49    | 400   | 337   | 661   | 1,912 | 1,830 | 2,316 | 2,077 | 1,390 | 1,069 | 208   | 144  
|1992                                                                                                                              | 94    | 209   | 651   | 983   | 2,344 | 1,142 | 1,727 | 1,673 | 1,209 | 1,045 | 508   | 123  
|1993                                                                                                                              | 282   | 135   | 618   | 768   | 1,156 | 889   | 1,969 | 1,580 | 1,608 | 1,404 | 175   | 310  
|1994                                                                                                                              | 267   | 118   | 585   | 1,090 | 1,929 | 2,511 | 1,794 | 1,632 | 2,256 | 1,750 | 409   | 348  
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|1995                                                                                                                              | 225   | 467   | 966   | 1,330 | 1,775 | 2,542 | 3,316 | 3,925 | 2,132 | 871   | 325   | 180  
|1996                                                                                                                              | 171   | 319   | 392   | 1,087 | 1,169 | 3,866 | 3,549 | 3,819 | 3,801 | 1,221 | 252   | 226  
|1997                                                                                                                              | 222   | 247   | 690   | 576   | 1,682 | 2,428 | 3,439 | 3,589 | 3,057 | 1,389 | 468   | 430  
|1998                                                                                                                              | 289   | 460   | 401   | 1,131 | 3,083 | 2,677 | 2,764 | 4,878 | 4,638 | 2,342 | 616   | 598  
|1999                                                                                                                              | 288   | 431   | 710   | 1,397 | 2,127 | 2,768 | 2,604 | 3,391 | 2,502 | 1,681 | 1,608 | 724  
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|2000                                                                                                                              | 250   | 233   | 559   | 1,204 | 1,192 | 1,894 | 2,915 | 2,807 | 1,936 | 1,561 | 619   | 401  
|2001                                                                                                                              | 667   | 324   | 869   | 1,460 | 3,215 | 4,732 | 5,736 | 5,250 | 5,307 | 3,206 | 2,047 | 1,184
|2002                                                                                                                              | 1,220 | 895   | 1,060 | 2,402 | 3,539 | 4,918 | 7,141 | 6,034 | 4,868 | 3,291 | 2,379 | 2,062
|2003                                                                                                                              | 1,889 | 1,621 | 2,023 | 3,032 | 3,464 | 3,707 | 4,578 | 3,992 | 3,704 | 4,645 | 1,391 | 1,035
|2004                                                                                                                              | 424   | 584   | 1,051 | 1,855 | 2,853 | 3,031 | 4,223 | 4,754 | 6,181 | 3,999 | 1,593 | 790  
|                                                                                                                                 
|2005                                                                                                                              | 580   | 717   | 754   | 1,794 | 3,418 | 4,564 | 5,150 | 3,981 | 3,316 | 2,624 | 1,582 | 639  
|2006                                                                                                                              | 761   | 481   | 678   | 3,793 | 6,835 | 6,686 | 6,452 | 5,749 | 6,035 | 3,743 | 729   | 552  
|2007                                                                                                                              | 420   | 308   | 873   | 1,916 | 3,991 | 3,988 | 4,878 | 4,205 | 2,516 | 2,130 | 1,114 | 172  
|2008                                                                                                                              | 87    | 79    | 135   | 704   | 2,013 | 2,281 | 2,837 | 3,484 | 3,700 | 2,067 | 910   | 97   
|2009                                                                                                                              | 137   | 239   | 444   | 3,670 | 9,273 | 8,393 | 8,385 | 9,213 | 8,114 | 4,623 | 5,030 | 110  
|                                                                                                                                 
|2010                                                                                                                              | 67    | 53    | 1,162 | 6,839 | 7,988 | 4,925 | 5,277 | 4,758 | 3,359 | 827   | 245   | 75   
|2011                                                                                                                              | 82    | 68    | 39    | 1,054 | 2,130 | 2,821 | 3,210 | 3,391 | 2,649 | 2,077 | 44    | 17   
|2012                                                                                                                              | 8     | 7     | 1,125 | 3,649 | 3,243 | 4,436 | 4,462 | 4,550 | 3,876 | 1,338 | 118   | 2    
|2013                                                                                                                              | 2     | 5     | 79    | 197   | 2,241 | 2,843 | 4,129 | 5,214 | 5,735 | 912   | 50    | 18   
|2014                                                                                                                              | 18    | 0     | 5     | 612   | 3,061 | 2,486 | 2,990 | 2,196 | 1,999 | 1,827 | 60    | 37   
|                                                                                                                                 
|2015                                                                                                                              | 42    | 90    | 1,320 | 1,698 | 2,621 | 3,257 | 3,487 | 3,535 | 2,260 | 1,313 | 153   | 50   
|2016                                                                                                                              | 12    | 55    | 2,188 | 4,224 | 5,294 | 5,020 | 3,433 | 3,586 | 2,366 | 1,228 | 166   | 1    
|2017                                                                                                                              | 6     | 43    | 878   | 2,270 | 4,247 | 4,260 | 3,647 | 2,552 | 4,599 | 1,724 | 114   | 0    
|2018                                                                                                                              | 0     | 3     | 39    | 1,875 | 4,140 | 4,110 | 4,239 | 4,539 | 2,954 | 852   | 211   | 592  
|2019                                                                                                                              | 45    | 0     | 858   | 2,278 | 2,879 | 4,298 | 4,285 | 3,897 | 4,090 | 838   | 382   | 4    
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|2020                                                                                                                              | 6     | 2     | 626   | 2,690 | 5,749 | 6,493 | 5,219 | 4,178 | 4,915 | 3,309 | 152   | 4    
|2021                                                                                                                              | 4     | 1     | 34    | 1,552 | 2,956 | 3,781 | 3,951 | 5,307 | 5,584 | 2,538 | 192   | 3    
|2022                                                                                                                              | 4     | 8     | 64    | 2,519 | 5,273 | 5,912 | 5,374 | 5,550 | 4,989 | 2,577 | 240   | 5    
|2023                                                                                                                              | 2     | 2     | 317   | 2,850 | 5,521 | 6,107 | 6,020 | 3,754 | 2,727 | 2,106 | 336   | 15   
|2024                                                                                                                              | 24    | 8     | 42    | 4,552 | 6,630 |       |       |       |       |       |       |      
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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: 7/31/2024                                                                                                          
|Next Release Date: 8/30/2024