|                                                                               
|-------------------------------------------------------------------------------
|                                                                               
|View History: Monthly Download Data (XLS File)                                
|View History: Monthly                                                          
|View History: Monthly                                                          
|View History:                                                                  
|                                                                               
|Colorado Natural Gas in Underground Storage (Working Gas)  (Million Cubic Feet)
|                                                                               
|                                                                               
|Colorado Natural Gas in Underground Storage (Working Gas)  (Million Cubic Feet)
|                                                                               

|Year                                                                                                                              | Jan    | Feb    | Mar    | Apr    | May    | Jun    | Jul    | Aug    | Sep    | Oct    | Nov    | Dec   
|--------------------------------------------------------------------------------------------------------------------------------- | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------
|1990                                                                                                                              | 27,491 | 22,694 | 17,504 |        | 13,313 | 17,552 | 23,767 | 28,965 | 33,972 | 35,196 | 34,955 | 34,660
|1991                                                                                                                              | 26,266 | 24,505 | 17,544 | 16,115 | 17,196 | 21,173 | 25,452 | 30,548 | 35,254 | 36,813 | 37,882 | 36,892
|1992                                                                                                                              | 33,082 | 29,651 | 22,962 | 18,793 | 18,448 | 20,445 | 24,593 | 30,858 | 36,770 | 38,897 | 35,804 | 33,066
|1993                                                                                                                              | 28,629 | 23,523 | 21,015 | 17,590 | 20,302 | 24,947 | 28,113 | 31,946 | 36,247 | 34,224 | 30,426 | 29,254
|1994                                                                                                                              | 24,249 | 19,331 | 16,598 | 11,485 | 16,989 | 18,501 | 23,590 | 28,893 | 34,044 | 34,298 | 32,687 | 29,307
|                                                                                                                                 
|1995                                                                                                                              | 24,948 | 21,446 | 16,467 | 12,090 | 14,043 | 19,950 | 25,757 | 29,774 | 32,507 | 33,707 | 35,418 | 30,063
|1996                                                                                                                              | 21,364 | 19,986 | 14,881 | 13,387 | 15,871 | 20,841 | 25,980 | 29,660 | 33,338 | 33,375 | 33,244 | 30,246
|1997                                                                                                                              | 24,723 | 19,861 | 17,792 | 12,223 | 17,551 | 22,808 | 28,348 | 32,836 | 37,977 | 37,519 | 34,242 | 29,617
|1998                                                                                                                              | 25,085 | 20,246 | 16,501 | 12,889 | 18,837 | 22,789 | 26,803 | 32,646 | 38,558 | 40,518 | 42,366 | 34,949
|1999                                                                                                                              | 30,960 | 27,191 | 23,931 | 15,050 | 15,356 | 20,833 | 27,575 | 33,010 | 37,884 | 40,302 | 41,177 | 36,075
|                                                                                                                                 
|2000                                                                                                                              | 29,878 | 26,523 | 19,938 | 18,556 | 19,188 | 23,799 | 28,423 | 33,184 | 35,373 | 37,323 | 33,340 | 28,486
|2001                                                                                                                              | 24,093 | 19,718 | 17,931 | 17,271 | 19,529 | 23,598 | 27,780 | 32,479 | 37,592 | 37,436 | 37,502 | 35,978
|2002                                                                                                                              | 31,086 | 23,904 | 18,138 | 20,359 | 19,659 | 22,949 | 26,898 | 33,559 | 37,568 | 36,709 | 36,669 | 34,564
|2003                                                                                                                              | 30,334 | 22,084 | 17,300 | 16,579 | 15,952 | 20,665 | 24,121 | 30,262 | 34,494 | 37,599 | 35,786 | 33,874
|2004                                                                                                                              | 30,393 | 25,700 | 25,307 | 16,694 | 16,393 | 19,827 | 24,219 | 31,672 | 36,671 | 39,291 | 37,400 | 34,262
|                                                                                                                                 
|2005                                                                                                                              | 29,445 | 25,393 | 19,602 | 13,914 | 17,043 | 20,413 | 24,112 | 28,755 | 34,059 | 37,727 | 37,566 | 33,334
|2006                                                                                                                              | 32,453 | 24,791 | 22,205 | 18,808 | 19,541 | 22,953 | 27,227 | 32,227 | 35,981 | 35,951 | 38,702 | 34,265
|2007                                                                                                                              | 24,003 | 22,211 | 22,583 | 17,479 | 19,435 | 22,873 | 27,091 | 33,680 | 37,071 | 38,893 | 35,443 | 31,158
|2008                                                                                                                              | 26,491 | 24,807 | 19,712 | 16,302 | 17,629 | 20,640 | 25,030 | 30,015 | 35,936 | 38,634 | 37,357 | 33,282
|2009                                                                                                                              | 29,235 | 26,346 | 21,936 | 17,727 | 19,432 | 22,828 | 26,486 | 33,537 | 38,389 | 41,493 | 43,025 | 36,520
|                                                                                                                                 
|2010                                                                                                                              | 30,393 | 25,390 | 19,380 | 15,065 | 16,817 | 21,950 | 29,392 | 36,041 | 40,327 | 42,001 | 38,990 | 33,727
|2011                                                                                                                              | 26,959 | 21,842 | 20,165 | 15,649 | 16,880 | 22,720 | 28,387 | 34,574 | 40,250 | 41,569 | 42,792 | 36,857
|2012                                                                                                                              | 31,844 | 24,351 | 23,567 | 18,156 | 18,952 | 24,940 | 31,169 | 38,712 | 44,957 | 47,331 | 45,048 | 36,588
|2013                                                                                                                              | 29,321 | 20,930 | 17,346 | 15,625 | 19,489 | 25,833 | 32,642 | 40,240 | 46,136 | 48,759 | 48,350 | 38,966
|2014                                                                                                                              | 30,676 | 22,246 | 17,752 | 18,133 | 21,981 | 29,092 | 34,851 | 41,006 | 46,469 | 50,430 | 47,460 | 38,146
|                                                                                                                                 
|2015                                                                                                                              | 32,207 | 26,627 | 23,187 | 21,295 | 26,335 | 33,152 | 38,199 | 43,370 | 48,622 | 52,772 | 50,980 | 41,561
|2016                                                                                                                              | 31,026 | 28,621 | 24,933 | 23,592 | 29,086 | 34,592 | 39,494 | 43,240 | 48,350 | 55,681 | 57,145 | 45,452
|2017                                                                                                                              | 34,483 | 29,632 | 28,442 | 29,819 | 30,041 | 35,701 | 40,946 | 43,866 | 49,886 | 50,474 | 54,794 | 41,522
|2018                                                                                                                              | 31,837 | 22,494 | 18,132 | 18,008 | 27,174 | 33,333 | 35,679 | 41,681 | 46,401 | 49,247 | 47,782 | 38,781
|2019                                                                                                                              | 28,381 | 21,023 | 19,963 | 20,447 | 23,122 | 31,608 | 36,884 | 45,836 | 52,153 | 52,125 | 52,676 | 47,014
|                                                                                                                                 
|2020                                                                                                                              | 38,026 | 28,539 | 26,284 | 28,512 | 34,450 | 41,746 | 46,955 | 52,414 | 58,771 | 55,535 | 59,798 | 50,793
|2021                                                                                                                              | 39,225 | 28,180 | 26,795 | 27,838 | 34,853 | 40,553 | 44,542 | 47,985 | 54,715 | 57,361 | 57,128 | 50,574
|2022                                                                                                                              | 38,410 | 29,588 | 29,297 | 26,532 | 32,083 | 36,529 | 37,991 | 43,339 | 52,530 | 58,157 | 58,979 | 51,455
|2023                                                                                                                              | 40,526 | 32,540 | 27,402 | 29,830 | 38,089 | 45,205 | 47,721 | 53,536 | 59,901 | 62,195 | 61,225 | 58,000
|2024                                                                                                                              | 47,690 | 40,177 | 32,644 | 33,022 | 39,173 |        |        |        |        |        |        |       
|                                                                                                                                 
|- = 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