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|View History: Monthly Download Data (XLS File)                                     
|View History: Monthly                                                               
|View History: Monthly                                                               
|View History:                                                                       
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|Lower 48 States Total Natural Gas Underground Storage Capacity  (Million Cubic Feet)
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|Lower 48 States Total Natural Gas Underground Storage Capacity  (Million Cubic Feet)
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|Year                                                                                                                              | Jan       | Feb       | Mar       | Apr       | May       | Jun       | Jul       | Aug       | Sep       | Oct       | Nov       | Dec      
|--------------------------------------------------------------------------------------------------------------------------------- | --------- | --------- | --------- | --------- | --------- | --------- | --------- | --------- | --------- | --------- | --------- | ---------
|2012                                                                                                                              | 8,842,950 | 8,854,720 | 8,854,720 | 8,882,728 | 8,905,843 | 8,919,139 | 8,922,097 | 8,940,010 | 8,979,317 | 8,991,571 | 8,990,535 | 8,992,535
|2013                                                                                                                              | 8,965,468 | 8,971,280 | 8,986,201 | 8,988,916 | 9,020,589 | 9,027,650 | 9,033,704 | 9,048,658 | 9,087,425 | 9,093,741 | 9,090,861 | 9,089,358
|2014                                                                                                                              | 9,081,309 | 9,080,229 | 9,080,862 | 9,080,910 | 9,092,938 | 9,101,548 | 9,118,798 | 9,126,641 | 9,123,033 | 9,126,313 | 9,149,877 | 9,149,759
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|2015                                                                                                                              | 9,149,550 | 9,148,736 | 9,149,449 | 9,149,506 | 9,147,410 | 9,147,181 | 9,147,181 | 9,138,181 | 9,143,012 | 9,144,086 | 9,144,919 | 9,147,248
|2016                                                                                                                              | 9,141,535 | 9,151,540 | 9,145,301 | 9,148,713 | 9,149,345 | 9,153,617 | 9,152,429 | 9,152,429 | 9,152,409 | 9,152,305 | 9,152,351 | 9,155,450
|2017                                                                                                                              | 9,156,307 | 9,156,307 | 9,156,585 | 9,167,823 | 9,167,823 | 9,172,552 | 9,172,239 | 9,174,599 | 9,174,170 | 9,174,128 | 9,177,498 | 9,180,536
|2018                                                                                                                              | 9,171,371 | 9,170,803 | 9,167,604 | 9,162,592 | 9,162,490 | 9,160,625 | 9,161,125 | 9,161,125 | 9,161,125 | 9,160,895 | 9,156,658 | 9,156,950
|2019                                                                                                                              | 9,158,041 | 9,165,144 | 9,140,764 | 9,138,561 | 9,142,587 | 9,143,287 | 9,143,181 | 9,144,281 | 9,145,410 | 9,146,154 | 9,146,204 | 9,146,100
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|2020                                                                                                                              | 9,163,734 | 9,163,700 | 9,163,663 | 9,173,102 | 9,173,374 | 9,173,339 | 9,173,292 | 9,173,268 | 9,173,234 | 9,175,197 | 9,175,856 | 9,175,899
|2021                                                                                                                              | 9,175,899 | 9,175,863 | 9,175,863 | 9,175,796 | 9,175,762 | 9,175,727 | 9,175,693 | 9,175,693 | 9,176,844 | 9,177,883 | 9,181,461 | 9,181,274
|2022                                                                                                                              | 9,181,162 | 9,175,520 | 9,175,520 | 9,175,322 | 9,172,299 | 9,173,406 | 9,173,371 | 9,173,336 | 9,173,311 | 9,173,930 | 9,175,532 | 9,174,269
|2023                                                                                                                              | 9,182,963 | 9,182,962 | 9,191,303 | 9,194,745 | 9,195,720 | 9,195,190 | 9,194,856 | 9,194,820 | 9,194,788 | 9,194,486 | 9,194,653 | 9,194,631
|2024                                                                                                                              | 9,195,099 | 9,195,078 | 9,195,513 | 9,207,189 | 9,207,904 |           |           |           |           |           |           |          
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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