|                                                                                                            
|------------------------------------------------------------------------------------------------------------
|                                                                                                            
|View History: Monthly Download Data (XLS File)                                                             
|View History: Monthly                                                                                       
|View History: Monthly                                                                                       
|View History:                                                                                               
|                                                                                                            
|Colorado Natural Gas in Underground Storage - Change in Working Gas from Same Month Previous Year  (Percent)
|                                                                                                            
|                                                                                                            
|Colorado Natural Gas in Underground Storage - Change in Working Gas from Same Month Previous Year  (Percent)
|                                                                                                            

|Year                                                                                                                              | Jan   | Feb   | Mar   | Apr   | May   | Jun   | Jul   | Aug   | Sep  | Oct   | Nov   | Dec  
|--------------------------------------------------------------------------------------------------------------------------------- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ---- | ----- | ----- | -----
|1991                                                                                                                              | -4.5  | 8.0   | 0.2   | 18.3  | 29.2  | 20.6  | 7.1   | 5.5   | 3.8  | 4.6   | 8.4   | 6.4  
|1992                                                                                                                              | 25.9  | 21.0  | 30.9  | 16.6  | 7.3   | -3.4  | -3.4  | 1.0   | 4.3  | 5.7   | -5.5  | -10.4
|1993                                                                                                                              | -13.5 | -20.7 | -8.5  | -6.4  | 10.0  | 22.0  | 14.3  | 3.5   | -1.4 | -12.0 | -15.0 | -11.5
|1994                                                                                                                              | -15.3 | -17.8 | -21.0 | -34.7 | -16.3 | -25.8 | -16.1 | -9.6  | -6.1 | 0.2   | 7.4   | 0.2  
|                                                                                                                                 
|1995                                                                                                                              | 2.9   | 10.9  | -0.8  | 5.3   | -17.3 | 7.8   | 9.2   | 3.0   | -4.5 | -1.7  | 8.4   | 2.6  
|1996                                                                                                                              | -14.4 | -6.8  | -9.6  | 10.7  | 13.0  | 4.5   | 0.0   | 0.0   | 2.6  | -1.0  | -6.1  | 0.6  
|1997                                                                                                                              | 15.7  | -0.6  | 19.6  | -8.7  | 10.6  | 9.4   | 9.1   | 10.7  | 13.9 | 12.4  | 3.0   | -2.1 
|1998                                                                                                                              | 1.5   | 1.9   | -7.3  | 5.5   | 7.3   | -0.1  | -5.5  | -0.6  | 1.5  | 8.0   | 23.7  | 18.0 
|1999                                                                                                                              | 23.4  | 34.3  | 45.0  | 16.8  | -18.5 | -8.6  | 2.9   | 1.1   | -1.7 | -0.5  | -2.8  | 3.2  
|                                                                                                                                 
|2000                                                                                                                              | -3.5  | -2.5  | -16.7 | 23.3  | 25.0  | 14.2  | 3.1   | 0.5   | -6.6 | -7.4  | -19.0 | -21.0
|2001                                                                                                                              | -19.4 | -25.7 | -10.1 | -6.9  | 0.0   | -0.8  | -2.3  | -2.1  | 6.3  | 0.3   | 12.5  | 26.3 
|2002                                                                                                                              | 29.0  | 21.2  | 1.2   | 17.9  | 0.7   | -2.7  | -3.2  | 3.3   | -0.1 | -1.9  | -2.2  | -3.9 
|2003                                                                                                                              | -2.4  | -7.6  | -4.6  | -18.6 | -18.9 | -10.0 | -10.3 | -9.8  | -8.2 | 2.4   | -2.4  | -2.0 
|2004                                                                                                                              | 0.2   | 16.4  | 46.3  | 1.0   | 3.1   | -3.8  | 0.4   | 4.6   | 6.3  | 4.5   | 4.5   | 1.1  
|                                                                                                                                 
|2005                                                                                                                              | -3.1  | -1.2  | -22.5 | -16.7 | 4.0   | 3.0   | -0.4  | -9.2  | -7.1 | -4.0  | 0.4   | -2.7 
|2006                                                                                                                              | 10.2  | -2.4  | 13.3  | 35.2  | 14.7  | 12.4  | 12.9  | 12.1  | 5.6  | -4.7  | 3.0   | 2.8  
|2007                                                                                                                              | -26.0 | -10.4 | 1.7   | -7.1  | -0.5  | -0.4  | -0.5  | 4.5   | 3.0  | 8.2   | -8.4  | -9.1 
|2008                                                                                                                              | 10.4  | 11.7  | -12.7 | -6.7  | -9.3  | -9.8  | -7.6  | -10.9 | -3.1 | -0.7  | 5.4   | 6.8  
|2009                                                                                                                              | 10.4  | 6.2   | 11.3  | 8.7   | 10.2  | 10.6  | 5.8   | 11.7  | 6.8  | 7.4   | 15.2  | 9.7  
|                                                                                                                                 
|2010                                                                                                                              | 4.0   | -3.6  | -11.7 | -15.0 | -13.5 | -3.8  | 11.0  | 7.5   | 5.0  | 1.2   | -9.4  | -7.6 
|2011                                                                                                                              | -11.3 | -14.0 | -0.9  | 3.9   | 0.4   | 3.5   | -3.4  | -4.1  | -0.2 | -1.0  | 9.8   | 9.3  
|2012                                                                                                                              | 18.0  | 11.2  | 16.9  | 16.0  | 12.3  | 9.8   | 9.8   | 12.0  | 11.7 | 13.9  | 5.3   | -0.7 
|2013                                                                                                                              | -7.9  | -14.0 | -26.4 | -13.9 | 2.8   | 3.6   | 4.7   | 3.9   | 2.6  | 3.0   | 7.3   | 6.5  
|2014                                                                                                                              | 4.6   | 6.3   | 2.3   | 16.0  | 12.8  | 12.6  | 6.8   | 1.9   | 0.7  | 3.4   | -1.8  | -2.1 
|                                                                                                                                 
|2015                                                                                                                              | 5.0   | 19.7  | 30.6  | 17.4  | 19.8  | 14.0  | 9.6   | 5.8   | 4.6  | 4.6   | 7.4   | 9.0  
|2016                                                                                                                              | -3.7  | 7.5   | 7.5   | 10.8  | 10.4  | 4.3   | 3.4   | -0.3  | -0.6 | 5.5   | 12.1  | 9.4  
|2017                                                                                                                              | 11.1  | 3.5   | 14.1  | 26.4  | 3.3   | 3.2   | 3.7   | 1.4   | 3.2  | -9.4  | -4.1  | -8.6 
|2018                                                                                                                              | -7.7  | -24.1 | -36.3 | -39.6 | -9.5  | -6.6  | -12.9 | -5.0  | -7.0 | -2.4  | -12.8 | -6.6 
|2019                                                                                                                              | -10.9 | -6.5  | 10.1  | 13.5  | -14.9 | -5.2  | 3.4   | 10.0  | 12.4 | 5.8   | 10.2  | 21.2 
|                                                                                                                                 
|2020                                                                                                                              | 34.0  | 35.8  | 31.7  | 39.4  | 49.0  | 32.1  | 27.3  | 14.3  | 12.7 | 6.5   | 13.5  | 8.0  
|2021                                                                                                                              | 3.2   | -1.3  | 1.9   | -2.4  | 1.2   | -2.9  | -5.1  | -8.4  | -6.9 | 3.3   | -4.5  | -0.4 
|2022                                                                                                                              | -2.1  | 5.0   | 9.3   | -4.7  | -7.9  | -9.9  | -14.7 | -9.7  | -4.0 | 1.4   | 3.2   | 1.7  
|2023                                                                                                                              | 5.5   | 10.0  | -6.5  | 12.4  | 18.7  | 23.8  | 25.6  | 23.5  | 14.0 | 6.9   | 3.8   | 12.7 
|2024                                                                                                                              | 17.7  | 23.5  | 19.1  | 10.7  | 2.8   |       |       |       |      |       |       |      
|                                                                                                                                 
|- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
|                                                                                                                                 
|Release Date: 7/31/2024                                                                                                          
|Next Release Date: 8/30/2024