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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 45,526 48,884 53,158 57,438 60,136 59,879 57,479
  2025 42,377 36,366

- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 4/30/2025
Next Release Date: 5/30/2025

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