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|View History: Monthly Download Data (XLS File)                            
|View History: Monthly                                                      
|View History: Monthly                                                      
|View History:                                                              
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|Wyoming Natural Gas in Underground Storage (Base Gas)  (Million Cubic Feet)
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|Wyoming Natural Gas in Underground Storage (Base Gas)  (Million Cubic Feet)
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|Year                                                                                                                              | Jan    | Feb    | Mar    | Apr    | May    | Jun    | Jul    | Aug    | Sep    | Oct    | Nov    | Dec   
|--------------------------------------------------------------------------------------------------------------------------------- | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------
|1990                                                                                                                              | 31,205 | 31,205 | 31,205 | 31,205 | 31,353 | 31,205 | 31,501 | 31,638 | 31,735 | 31,754 | 30,652 | 30,652
|1991                                                                                                                              | 34,651 | 34,651 | 34,651 | 34,651 | 34,651 | 34,651 | 34,651 | 34,651 | 34,651 | 34,651 | 34,651 | 34,651
|1992                                                                                                                              | 59,130 | 59,130 | 59,130 | 59,130 | 59,130 | 59,130 | 59,130 | 59,130 | 59,130 | 59,130 | 59,127 | 59,382
|1993                                                                                                                              | 59,382 | 59,382 | 59,382 | 59,382 | 59,382 | 59,382 | 59,382 | 59,427 | 59,427 | 59,427 | 60,746 | 60,746
|1994                                                                                                                              | 60,746 | 60,746 | 60,746 | 60,746 | 60,746 | 60,746 | 60,746 | 60,746 | 60,746 | 60,746 | 60,782 | 60,782
|                                                                                                                                 
|1995                                                                                                                              | 60,782 | 60,782 | 60,782 | 60,782 | 60,782 | 60,782 | 60,782 | 60,782 | 60,782 | 60,782 | 60,782 | 60,782
|1996                                                                                                                              | 60,768 | 60,704 | 60,704 | 60,704 | 60,712 | 60,732 | 60,746 | 60,754 | 60,773 | 60,782 | 60,782 | 60,763
|1997                                                                                                                              | 60,697 | 60,645 | 60,613 | 60,612 | 60,701 | 60,774 | 60,782 | 60,782 | 60,782 | 60,782 | 60,782 | 60,782
|1998                                                                                                                              | 60,782 | 60,772 | 60,729 | 60,676 | 60,676 | 60,729 | 60,729 | 60,729 | 60,782 | 60,782 | 60,782 | 60,782
|1999                                                                                                                              | 60,782 | 60,750 | 60,721 | 60,721 | 60,721 | 60,763 | 60,782 | 60,782 | 60,782 | 60,782 | 60,782 | 60,782
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|2000                                                                                                                              | 60,762 | 60,762 | 60,762 | 60,762 | 60,762 | 60,762 | 60,762 | 60,762 | 60,782 | 60,740 | 60,703 | 60,647
|2001                                                                                                                              | 60,634 | 60,597 | 60,715 | 60,745 | 60,782 | 60,782 | 60,782 | 60,782 | 60,782 | 60,782 | 60,782 | 64,782
|2002                                                                                                                              | 64,761 | 64,705 | 64,689 | 64,689 | 64,779 | 64,807 | 64,807 | 64,810 | 64,844 | 64,855 | 64,855 | 64,855
|2003                                                                                                                              | 64,793 | 64,735 | 64,730 | 64,730 | 64,730 | 64,730 | 64,730 | 64,834 | 64,989 | 64,989 | 64,989 | 64,989
|2004                                                                                                                              | 64,917 | 64,878 | 64,878 | 64,878 | 64,888 | 64,888 | 64,888 | 64,888 | 64,986 | 64,989 | 64,989 | 64,963
|                                                                                                                                 
|2005                                                                                                                              | 64,925 | 64,871 | 64,818 | 64,818 | 64,818 | 64,818 | 64,818 | 64,905 | 64,992 | 65,021 | 64,967 | 64,902
|2006                                                                                                                              | 64,844 | 64,813 | 64,813 | 64,813 | 64,813 | 64,813 | 64,813 | 64,844 | 64,917 | 64,976 | 64,921 | 64,893
|2007                                                                                                                              | 64,842 | 64,794 | 64,775 | 64,775 | 64,817 | 64,849 | 64,939 | 65,018 | 65,008 | 65,002 | 64,948 | 64,706
|2008                                                                                                                              | 64,830 | 64,823 | 64,823 | 64,823 | 64,823 | 65,080 | 65,080 | 65,080 | 65,080 | 65,080 | 65,080 | 65,080
|2009                                                                                                                              | 65,080 | 65,100 | 65,100 | 65,100 | 65,100 | 65,100 | 53,835 | 55,994 | 60,034 | 64,316 | 65,100 | 65,120
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|2010                                                                                                                              | 65,720 | 65,720 | 65,720 | 65,720 | 65,720 | 65,720 | 65,720 | 65,720 | 65,720 | 65,720 | 65,720 | 65,720
|2011                                                                                                                              | 65,720 | 65,697 | 65,457 | 65,457 | 65,454 | 65,480 | 65,480 | 65,480 | 65,480 | 65,480 | 65,480 | 65,480
|2012                                                                                                                              | 65,480 | 65,480 | 65,480 | 65,480 | 67,394 | 69,552 | 69,722 | 70,785 | 72,037 | 75,534 | 76,312 | 74,920
|2013                                                                                                                              | 74,319 | 74,349 | 74,318 | 74,296 | 74,321 | 73,267 | 72,140 | 71,242 | 70,639 | 70,730 | 70,728 | 69,963
|2014                                                                                                                              | 69,060 | 68,593 | 68,593 | 68,590 | 68,583 | 68,331 | 69,084 | 69,680 | 69,680 | 69,680 | 69,681 | 67,816
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|2015                                                                                                                              | 67,816 | 67,815 | 67,798 | 67,815 | 67,815 | 67,815 | 67,815 | 67,815 | 67,815 | 67,815 | 67,815 | 68,174
|2016                                                                                                                              | 68,131 | 68,062 | 68,037 | 68,084 | 68,109 | 68,134 | 68,133 | 68,123 | 68,125 | 68,301 | 68,279 | 67,737
|2017                                                                                                                              | 67,683 | 67,671 | 67,512 | 67,553 | 67,557 | 67,629 | 67,600 | 67,575 | 67,676 | 67,712 | 67,747 | 67,664
|2018                                                                                                                              | 67,675 | 67,701 | 67,690 | 67,599 | 67,749 | 67,746 | 67,726 | 67,694 | 67,671 | 69,949 | 70,049 | 72,336
|2019                                                                                                                              | 77,125 | 78,778 | 79,264 | 79,261 | 79,389 | 79,389 | 79,395 | 79,395 | 79,395 | 79,383 | 79,356 | 79,343
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|2020                                                                                                                              | 79,334 | 79,258 | 78,920 | 78,842 | 79,161 | 79,324 | 79,324 | 79,323 | 79,323 | 80,658 | 80,658 | 80,658
|2021                                                                                                                              | 80,658 | 80,658 | 80,554 | 80,434 | 81,873 | 81,957 | 81,957 | 81,957 | 81,956 | 81,956 | 81,956 | 81,956
|2022                                                                                                                              | 81,956 | 82,356 | 82,214 | 82,077 | 82,158 | 82,356 | 82,356 | 82,356 | 82,354 | 82,354 | 82,354 | 82,354
|2023                                                                                                                              | 82,354 | 82,354 | 82,354 | 82,203 | 82,255 | 82,354 | 82,354 | 82,354 | 82,354 | 82,354 | 82,354 | 82,354
|2024                                                                                                                              | 82,354 | 82,354 | 82,354 | 82,354 | 82,354 |        |        |        |        |        |        |       
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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