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|View History: Monthly Download Data (XLS File)                                 
|View History: Monthly                                                           
|View History: Monthly                                                           
|View History:                                                                   
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|U.S. Natural Gas Non-Salt Underground Storage  - Base Gas   (Million Cubic Feet)
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|U.S. Natural Gas Non-Salt Underground Storage  - Base Gas   (Million Cubic Feet)
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|Year                                                                                                                              | Jan       | Feb       | Mar       | Apr       | May       | Jun       | Jul       | Aug       | Sep       | Oct       | Nov       | Dec      
|--------------------------------------------------------------------------------------------------------------------------------- | --------- | --------- | --------- | --------- | --------- | --------- | --------- | --------- | --------- | --------- | --------- | ---------
|1994                                                                                                                              | 4,310,511 | 4,299,144 | 4,304,605 | 4,305,250 | 4,311,328 | 4,310,801 | 4,313,863 | 4,313,462 | 4,311,826 | 4,311,686 | 4,309,746 | 4,316,503
|                                                                                                                                 
|1995                                                                                                                              | 4,311,142 | 4,313,967 | 4,307,833 | 4,306,142 | 4,338,851 | 4,351,366 | 4,285,411 | 4,285,137 | 4,286,773 | 4,282,697 | 4,286,509 | 4,289,504
|1996                                                                                                                              | 4,291,262 | 4,285,701 | 4,227,609 | 4,249,339 | 4,268,329 | 4,277,305 | 4,275,962 | 4,272,150 | 4,277,335 | 4,274,631 | 4,275,298 | 4,276,605
|1997                                                                                                                              | 4,282,119 | 4,282,518 | 4,280,060 | 4,276,656 | 4,274,823 | 4,291,117 | 4,290,297 | 4,291,388 | 4,295,041 | 4,291,938 | 4,292,459 | 4,282,860
|1998                                                                                                                              | 4,280,504 | 4,275,557 | 4,273,815 | 4,270,722 | 4,272,371 | 4,269,166 | 4,312,133 | 4,274,181 | 4,273,352 | 4,274,576 | 4,276,118 | 4,258,876
|1999                                                                                                                              | 4,264,330 | 4,262,177 | 4,316,109 | 4,313,869 | 4,304,680 | 4,304,572 | 4,304,776 | 4,301,742 | 4,302,428 | 4,302,813 | 4,312,508 | 4,314,420
|                                                                                                                                 
|2000                                                                                                                              | 4,310,495 | 4,309,277 | 4,294,525 | 4,292,656 | 4,292,344 | 4,291,256 | 4,290,531 | 4,289,357 | 4,289,067 | 4,288,694 | 4,289,508 | 4,281,653
|2001                                                                                                                              | 4,273,430 | 4,259,175 | 4,231,519 | 4,191,569 | 4,238,705 | 4,239,466 | 4,244,501 | 4,242,239 | 4,246,856 | 4,238,430 | 4,223,588 | 4,223,890
|2002                                                                                                                              | 4,235,931 | 4,278,703 | 4,277,796 | 4,277,843 | 4,284,085 | 4,277,969 | 4,277,857 | 4,276,642 | 4,261,365 | 4,260,441 | 4,268,829 | 4,265,388
|2003                                                                                                                              | 4,267,175 | 4,260,573 | 4,250,946 | 4,242,568 | 4,249,599 | 4,250,604 | 4,250,152 | 4,252,137 | 4,252,833 | 4,250,758 | 4,226,967 | 4,227,015
|2004                                                                                                                              | 4,224,771 | 4,220,515 | 4,208,157 | 4,207,380 | 4,211,596 | 4,209,312 | 4,212,215 | 4,188,257 | 4,180,870 | 4,172,683 | 4,162,821 | 4,129,213
|                                                                                                                                 
|2005                                                                                                                              | 4,133,165 | 4,132,266 | 4,127,689 | 4,128,143 | 4,129,083 | 4,129,956 | 4,131,750 | 4,130,786 | 4,131,932 | 4,133,416 | 4,133,910 | 4,122,334
|2006                                                                                                                              | 4,122,944 | 4,123,022 | 4,117,268 | 4,118,269 | 4,121,828 | 4,136,278 | 4,135,161 | 4,135,611 | 4,137,972 | 4,139,132 | 4,138,427 | 4,133,538
|2007                                                                                                                              | 4,139,051 | 4,139,059 | 4,170,619 | 4,169,560 | 4,174,342 | 4,151,291 | 4,147,541 | 4,150,180 | 4,154,256 | 4,159,061 | 4,158,778 | 4,153,947
|2008                                                                                                                              | 4,150,318 | 4,139,737 | 4,142,282 | 4,143,366 | 4,147,100 | 4,148,214 | 4,147,986 | 4,147,797 | 4,148,370 | 4,151,874 | 4,145,620 | 4,146,321
|2009                                                                                                                              | 4,147,725 | 4,150,389 | 4,150,033 | 4,155,672 | 4,157,500 | 4,166,655 | 4,158,604 | 4,160,365 | 4,166,288 | 4,169,486 | 4,175,025 | 4,160,513
|                                                                                                                                 
|2010                                                                                                                              | 4,156,885 | 4,156,560 | 4,154,568 | 4,155,474 | 4,156,665 | 4,163,274 | 4,163,889 | 4,166,434 | 4,164,929 | 4,173,179 | 4,174,561 | 4,166,348
|2011                                                                                                                              | 4,166,079 | 4,165,725 | 4,164,893 | 4,163,557 | 4,163,885 | 4,158,016 | 4,157,857 | 4,157,811 | 4,158,226 | 4,158,712 | 4,156,718 | 4,158,775
|2012                                                                                                                              | 4,161,723 | 4,161,787 | 4,172,593 | 4,175,966 | 4,178,094 | 4,182,967 | 4,184,504 | 4,188,713 | 4,190,975 | 4,203,176 | 4,208,445 | 4,208,121
|2013                                                                                                                              | 4,209,133 | 4,215,876 | 4,214,838 | 4,217,643 | 4,219,592 | 4,219,536 | 4,200,097 | 4,197,108 | 4,196,783 | 4,193,993 | 4,193,691 | 4,191,861
|2014                                                                                                                              | 4,193,696 | 4,191,636 | 4,181,949 | 4,188,460 | 4,184,473 | 4,185,793 | 4,188,086 | 4,188,707 | 4,189,523 | 4,187,664 | 4,187,711 | 4,185,392
|                                                                                                                                 
|2015                                                                                                                              | 4,181,933 | 4,181,078 | 4,182,353 | 4,182,430 | 4,182,972 | 4,185,309 | 4,190,071 | 4,182,235 | 4,183,205 | 4,183,761 | 4,186,301 | 4,181,380
|2016                                                                                                                              | 4,180,125 | 4,179,672 | 4,170,168 | 4,172,464 | 4,174,124 | 4,176,320 | 4,176,393 | 4,176,542 | 4,174,950 | 4,177,052 | 4,177,235 | 4,184,522
|2017                                                                                                                              | 4,183,205 | 4,182,616 | 4,182,205 | 4,181,741 | 4,187,928 | 4,157,779 | 4,157,746 | 4,157,712 | 4,158,105 | 4,156,272 | 4,156,264 | 4,163,077
|2018                                                                                                                              | 4,161,702 | 4,161,016 | 4,158,977 | 4,156,144 | 4,156,610 | 4,158,353 | 4,158,558 | 4,158,618 | 4,159,832 | 4,161,558 | 4,161,140 | 4,164,725
|2019                                                                                                                              | 4,170,173 | 4,171,074 | 4,167,446 | 4,170,679 | 4,174,003 | 4,176,068 | 4,175,893 | 4,177,594 | 4,179,088 | 4,179,888 | 4,181,204 | 4,180,722
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|2020                                                                                                                              | 4,181,081 | 4,180,088 | 4,178,894 | 4,181,955 | 4,184,216 | 4,186,936 | 4,187,790 | 4,187,222 | 4,187,220 | 4,191,391 | 4,192,540 | 4,193,004
|2021                                                                                                                              | 4,192,684 | 4,191,235 | 4,190,064 | 4,182,573 | 4,184,392 | 4,236,994 | 4,237,061 | 4,237,227 | 4,238,150 | 4,238,980 | 4,239,841 | 4,240,340
|2022                                                                                                                              | 4,239,139 | 4,237,775 | 4,236,446 | 4,241,952 | 4,244,457 | 4,246,221 | 4,246,029 | 4,246,553 | 4,247,463 | 4,245,754 | 4,245,391 | 4,249,796
|2023                                                                                                                              | 4,249,467 | 4,248,399 | 4,247,632 | 4,249,853 | 4,263,445 | 4,261,648 | 4,261,811 | 4,261,924 | 4,261,218 | 4,261,050 | 4,261,438 | 4,261,381
|2024                                                                                                                              | 4,261,239 |           |           |           |           |           |           |           |           |           |           |          
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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: 3/29/2024                                                                                                          
|Next Release Date: 4/30/2024