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|View History: Monthly Download Data (XLS File)                                                            
|View History: Monthly                                                                                      
|View History: Monthly                                                                                      
|View History:                                                                                              
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|Alabama Natural Gas in Underground Storage - Change in Working Gas from Same Month Previous Year  (Percent)
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|Alabama Natural Gas in Underground Storage - Change in Working Gas from Same Month Previous Year  (Percent)
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|Year                                                                                                                              | Jan   | Feb   | Mar   | Apr   | May   | Jun   | Jul   | Aug   | Sep   | Oct   | Nov   | Dec  
|--------------------------------------------------------------------------------------------------------------------------------- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | -----
|1996                                                                                                                              |       |       |       |       |       | 221.1 | 244.8 | 179.6 | 64.8  | 86.8  | 112.2 | 130.5
|1997                                                                                                                              | 36.2  | 10.9  | 111.7 | 57.1  | 68.4  | -5.0  | -17.0 | -19.4 | -19.9 | -12.1 | -19.0 | 36.2 
|1998                                                                                                                              | 31.5  | 45.0  | -21.4 | 4.3   | -12.4 | 46.2  | 38.7  | 23.0  | -24.8 | -0.8  | 15.1  | 6.0  
|1999                                                                                                                              | 3.8   | 17.6  | 11.5  | -11.9 | 35.3  | -11.6 | 6.5   | -2.0  | 67.7  | 4.7   | 12.2  | 10.2 
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|2000                                                                                                                              | 7.9   | 25.4  | 213.4 | 116.8 | 22.2  | 51.5  | 32.4  | 25.3  | -6.9  | -10.7 | -27.1 | -24.2
|2001                                                                                                                              | 17.9  | 46.2  | -44.2 | -23.4 | -32.8 | -23.0 | -18.6 | -12.6 | -6.3  | -5.4  | 97.8  | 111.1
|2002                                                                                                                              | 138.8 | 68.1  | 181.5 | 147.4 | 173.3 | 50.0  | 51.2  | 46.8  | 45.2  | 20.3  | -20.4 | -25.7
|2003                                                                                                                              | -86.5 | -57.0 | -25.7 | 14.4  | 54.1  | 99.5  | 100.8 | 98.7  | 129.2 | 237.3 | 177.3 | 180.6
|2004                                                                                                                              | 975.0 | 156.9 | 87.4  | 26.5  | 21.6  | 26.2  | 16.2  | 8.1   | -27.6 | 1.4   | 5.1   | -19.1
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|2005                                                                                                                              | 2.3   | 76.0  | 34.4  | 15.5  | 8.3   | -13.2 | -5.5  | -30.2 | -9.2  | -15.8 | -13.2 | 4.6  
|2006                                                                                                                              | 64.6  | 13.5  | 53.0  | 67.7  | 36.3  | 43.8  | 72.3  | 161.5 | 204.9 | 129.8 | 122.7 | 158.5
|2007                                                                                                                              | 96.3  | 89.3  | 97.9  | 87.5  | 113.0 | 99.7  | 58.9  | -3.8  | 1.8   | -4.3  | 1.9   | -0.1 
|2008                                                                                                                              | -37.4 | -37.8 | -29.7 | 4.6   | -10.1 | 20.8  | 25.2  | 72.9  | 33.2  | 55.3  | 46.5  | 34.3 
|2009                                                                                                                              | 42.3  | 67.4  | 62.0  | 28.2  | 44.3  | 13.7  | 8.1   | 11.3  | 17.2  | 0.4   | 2.6   | -25.7
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|2010                                                                                                                              | -14.4 | -24.9 | -12.0 | -7.7  | -8.9  | -7.3  | -7.9  | -2.5  | -3.5  | -2.1  | 1.5   | 35.0 
|2011                                                                                                                              | 85.1  | 109.4 | 37.5  | 4.4   | 3.0   | 9.3   | 10.9  | 5.6   | 15.1  | 29.6  | 25.6  | 42.4 
|2012                                                                                                                              | 36.1  | 23.6  | 40.6  | 41.8  | 25.9  | 16.7  | 18.0  | 10.6  | -6.4  | -1.0  | -12.1 | -11.5
|2013                                                                                                                              | -5.1  | 7.7   | -8.6  | 0.6   | 5.0   | -4.8  | -4.2  | -0.2  | 15.5  | -12.0 | -10.0 | -22.7
|2014                                                                                                                              | -50.1 | -61.9 | -60.6 | -38.5 | -15.5 | -22.6 | -24.3 | -24.4 | -25.4 | -6.1  | -4.6  | 18.0 
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|2015                                                                                                                              | 44.8  | -6.2  | 9.0   | 12.4  | 12.1  | 32.0  | 37.9  | 35.4  | 44.1  | 21.9  | 30.5  | 23.0 
|2016                                                                                                                              | 30.1  | 199.5 | 163.9 | 67.0  | 26.8  | 15.0  | -4.6  | -10.7 | -17.5 | 4.0   | 7.7   | -7.4 
|2017                                                                                                                              | 16.1  | 17.0  | 8.4   | 2.1   | -4.9  | -1.0  | -2.5  | -10.3 | -10.2 | -15.1 | -17.4 | -15.6
|2018                                                                                                                              | -49.0 | -54.7 | -42.3 | -33.7 | -18.2 | -21.6 | -22.7 | -24.4 | -48.9 | -41.3 | -42.1 | -13.9
|2019                                                                                                                              | 31.1  | 11.8  | -18.2 | -4.0  | -16.3 | -11.5 | -7.9  | 0.5   | 56.2  | 40.4  | 58.8  | 28.1 
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|2020                                                                                                                              | 34.8  | 42.6  | 76.0  | 52.5  | 46.8  | 48.6  | 68.1  | 86.8  | 96.3  | 48.0  | 27.8  | 8.2  
|2021                                                                                                                              | -2.0  | -22.1 | 8.2   | -6.0  | -4.9  | -11.3 | -23.1 | -34.7 | -37.6 | -18.4 | -16.9 | -10.6
|2022                                                                                                                              | -35.2 | -12.4 | -41.2 | -31.9 | -33.5 | -48.9 | -49.0 | -41.7 | -26.6 | -16.6 | -18.1 | -30.4
|2023                                                                                                                              | 16.2  | 32.8  | 35.2  | 34.0  | 40.4  | 92.7  | 94.0  | 59.4  | 45.4  | 25.9  | 29.5  | 45.8 
|2024                                                                                                                              | -1.7  | 31.4  | 47.5  | 14.7  | 4.7   |       |       |       |       |       |       |      
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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