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|View History: Monthly Download Data (XLS File)                            
|View History: Monthly                                                      
|View History: Monthly                                                      
|View History:                                                              
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|Iowa Natural Gas in Underground Storage (Working Gas)  (Million Cubic Feet)
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|Iowa Natural Gas in Underground Storage (Working Gas)  (Million Cubic Feet)
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|Year                                                                                                                              | Jan    | Feb    | Mar    | Apr    | May    | Jun    | Jul    | Aug    | Sep     | Oct     | Nov     | Dec   
|--------------------------------------------------------------------------------------------------------------------------------- | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------- | ------- | ------- | ------
|1990                                                                                                                              | 74,086 | 66,477 | 61,296 | 61,444 | 65,918 | 70,653 | 76,309 | 82,236 | 85,955  | 89,866  | 87,913  | 73,603
|1991                                                                                                                              | 71,390 | 60,921 | 57,278 | 59,014 | 63,510 | 74,146 | 79,723 | 86,294 | 97,761  | 109,281 | 101,166 | 86,996
|1992                                                                                                                              | 67,167 | 54,513 | 50,974 | 53,944 | 62,448 | 70,662 | 82,259 | 93,130 | 103,798 | 112,898 | 103,734 | 83,223
|1993                                                                                                                              | 18,126 | 8,099  | 5,896  | 10,189 | 16,993 | 25,093 | 35,988 | 46,332 | 58,949  | 64,538  | 57,880  | 40,257
|1994                                                                                                                              | 21,994 | 12,505 | 9,508  | 11,414 | 16,978 | 23,485 | 33,733 | 44,726 | 56,420  | 65,515  | 60,945  | 43,175
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|1995                                                                                                                              | 22,656 | 11,780 | 7,447  | 6,865  | 10,632 | 18,717 | 28,858 | 43,748 | 55,435  | 62,560  | 51,890  | 36,857
|1996                                                                                                                              | 20,060 | 11,347 | 5,465  | 4,660  | 5,023  | 12,040 | 24,568 | 37,836 | 50,452  | 61,354  | 55,533  | 37,008
|1997                                                                                                                              | 21,082 | 12,613 | 9,659  | 8,032  | 11,505 | 19,866 | 28,643 | 39,582 | 52,343  | 60,701  | 60,147  | 43,215
|1998                                                                                                                              | 24,295 | 17,855 | 11,163 | 10,815 | 14,415 | 22,820 | 42,526 | 46,463 | 58,612  | 65,720  | 65,788  | 45,242
|1999                                                                                                                              | 24,664 | 12,850 | 8,073  | 7,987  | 12,586 | 19,422 | 30,186 | 41,502 | 54,610  | 65,150  | 64,053  | 42,768
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|2000                                                                                                                              | 21,617 | 10,232 | 9,026  | 7,305  | 11,704 | 17,560 | 28,473 | 40,142 | 52,978  | 66,469  | 55,722  | 31,185
|2001                                                                                                                              | 14,689 | 9,001  | 7,259  | 6,650  | 12,182 | 18,339 | 28,481 | 41,985 | 55,695  | 67,383  | 70,501  | 53,292
|2002                                                                                                                              | 31,670 | 12,620 | 5,499  | 5,136  | 5,837  | 10,818 | 23,007 | 35,484 | 48,047  | 60,981  | 64,178  | 44,986
|2003                                                                                                                              | 23,187 | 9,728  | 7,033  | 7,113  | 10,807 | 15,910 | 26,621 | 39,505 | 54,355  | 67,579  | 65,393  | 48,941
|2004                                                                                                                              | 27,886 | 12,600 | 5,177  | 4,908  | 9,088  | 14,499 | 27,097 | 41,082 | 55,067  | 67,482  | 70,450  | 52,169
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|2005                                                                                                                              | 30,768 | 17,038 | 8,395  | 6,747  | 8,587  | 14,326 | 26,815 | 40,378 | 55,600  | 68,421  | 67,412  | 48,731
|2006                                                                                                                              | 29,474 | 15,734 | 9,157  | 8,094  | 11,655 | 17,592 | 28,967 | 44,004 | 58,845  | 69,816  | 69,865  | 52,241
|2007                                                                                                                              | 29,587 | 14,961 | 8,313  | 9,110  | 13,186 | 17,889 | 28,108 | 41,629 | 58,559  | 73,494  | 70,381  | 49,791
|2008                                                                                                                              | 29,786 | 16,115 | 11,721 | 10,199 | 10,646 | 14,793 | 27,593 | 45,292 | 61,257  | 75,735  | 75,269  | 53,265
|2009                                                                                                                              | 30,779 | 19,347 | 11,899 | 11,465 | 15,678 | 24,157 | 33,300 | 50,104 | 66,949  | 81,743  | 83,554  | 58,126
|                                                                                                                                 
|2010                                                                                                                              | 35,999 | 21,780 | 13,959 | 12,829 | 13,660 | 19,215 | 27,753 | 42,703 | 61,494  | 80,971  | 78,038  | 55,538
|2011                                                                                                                              | 33,404 | 21,487 | 14,149 | 12,737 | 14,094 | 17,960 | 25,870 | 40,349 | 61,656  | 82,199  | 80,680  | 60,082
|2012                                                                                                                              | 40,125 | 26,690 | 20,692 | 18,229 | 18,869 | 20,379 | 26,427 | 40,674 | 60,933  | 77,280  | 69,922  | 48,765
|2013                                                                                                                              | 28,976 | 19,286 | 13,042 | 11,615 | 17,696 | 23,768 | 32,853 | 47,421 | 64,102  | 75,927  | 68,038  | 45,692
|2014                                                                                                                              | 26,736 | 16,304 | 10,391 | 9,293  | 16,741 | 24,722 | 33,460 | 50,286 | 66,875  | 78,439  | 68,448  | 53,115
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|2015                                                                                                                              | 38,566 | 27,436 | 21,052 | 20,511 | 25,865 | 32,827 | 35,390 | 49,004 | 65,140  | 79,263  | 74,626  | 58,071
|2016                                                                                                                              | 38,644 | 27,970 | 23,208 | 21,059 | 23,407 | 26,264 | 28,189 | 42,267 | 60,308  | 79,023  | 73,873  | 51,656
|2017                                                                                                                              | 36,085 | 28,033 | 22,869 | 21,580 | 23,159 | 25,077 | 26,772 | 38,577 | 58,023  | 78,106  | 71,866  | 51,327
|2018                                                                                                                              | 31,395 | 21,850 | 15,769 | 14,382 | 17,210 | 18,803 | 20,476 | 36,014 | 55,518  | 75,497  | 66,637  | 48,468
|2019                                                                                                                              | 30,357 | 21,907 | 19,243 | 19,575 | 24,002 | 27,934 | 30,757 | 45,073 | 63,077  | 78,205  | 67,264  | 49,535
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|2020                                                                                                                              | 35,470 | 27,012 | 21,713 | 21,480 | 26,837 | 32,482 | 34,407 | 46,325 | 61,260  | 74,681  | 78,837  | 59,005
|2021                                                                                                                              | 39,244 | 27,235 | 21,147 | 20,012 | 22,827 | 27,305 | 29,391 | 41,286 | 57,768  | 74,222  | 80,024  | 62,892
|2022                                                                                                                              | 41,972 | 29,636 | 23,081 | 21,170 | 21,946 | 25,056 | 28,108 | 39,292 | 56,526  | 74,167  | 79,327  | 59,196
|2023                                                                                                                              | 39,888 | 29,078 | 22,288 | 21,350 | 23,709 | 27,722 | 28,565 | 40,189 | 57,180  | 72,808  | 79,106  | 61,157
|2024                                                                                                                              | 41,369 | 29,159 | 22,390 | 21,258 | 23,305 |        |        |        |         |         |         |       
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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