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|View History: Monthly Download Data (XLS File)                                                                               
|View History: Monthly                                                                                                         
|View History: Monthly                                                                                                         
|View History:                                                                                                                 
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|Mountain Region Natural Gas in Underground Storage - Change in Working Gas from Same Month Previous Year  (Million Cubic Feet)
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|Mountain Region Natural Gas in Underground Storage - Change in Working Gas from Same Month Previous Year  (Million Cubic Feet)
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|Year                                                                                                                              | Jan     | Feb     | Mar     | Apr     | May     | Jun     | Jul     | Aug     | Sep     | Oct     | Nov     | Dec    
|--------------------------------------------------------------------------------------------------------------------------------- | ------- | ------- | ------- | ------- | ------- | ------- | ------- | ------- | ------- | ------- | ------- | -------
|2013                                                                                                                              | 12,014  | 6,758   | -9,151  | -16,380 | -18,695 | -22,708 | -24,019 | -20,476 | -26,134 | -26,039 | -24,866 | -34,136
|2014                                                                                                                              | -32,861 | -42,199 | -45,053 | -42,581 | -35,771 | -26,278 | -21,654 | -24,388 | -26,437 | -26,669 | -34,817 | -21,557
|                                                                                                                                 
|2015                                                                                                                              | -6,412  | 13,374  | 29,357  | 34,073  | 36,475  | 32,988  | 31,353  | 29,400  | 28,615  | 27,317  | 32,540  | 33,887 
|2016                                                                                                                              | 24,652  | 27,247  | 30,716  | 35,606  | 41,058  | 41,402  | 36,173  | 31,682  | 28,991  | 33,417  | 43,931  | 18,707 
|2017                                                                                                                              | 3,582   | -2,604  | -2,403  | -735    | -9,550  | -12,172 | -10,596 | -17,116 | -13,836 | -27,489 | -30,614 | -27,505
|2018                                                                                                                              | -24,149 | -39,797 | -54,661 | -59,855 | -46,794 | -43,851 | -49,340 | -38,207 | -38,997 | -37,529 | -52,753 | -35,471
|2019                                                                                                                              | -31,580 | -27,596 | -23,653 | -14,710 | -18,087 | -4,850  | 10,732  | 14,447  | 21,102  | 23,147  | 28,416  | 25,940 
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|2020                                                                                                                              | 31,526  | 26,255  | 28,534  | 33,058  | 41,565  | 41,914  | 41,426  | 36,861  | 34,608  | 33,189  | 40,060  | 27,731 
|2021                                                                                                                              | 19,866  | 15,720  | 21,553  | 14,388  | 11,444  | -1,993  | -15,663 | -24,375 | -29,872 | -26,110 | -31,959 | -23,849
|2022                                                                                                                              | -26,999 | -22,283 | -23,056 | -30,893 | -38,274 | -38,050 | -37,100 | -30,951 | -20,945 | -7,285  | -10,068 | -13,749
|2023                                                                                                                              | -5,083  | 860     | -11,117 | 5,130   | 19,806  | 34,473  | 44,710  | 56,993  | 55,206  | 45,834  | 52,200  | 70,044 
|2024                                                                                                                              | 62,236  | 75,057  | 88,560  | 88,931  | 79,139  |         |         |         |         |         |         |        
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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