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Download Data (XLS File) |
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| Washington Natural Gas in Underground Storage (Base Gas) (Million Cubic Feet) | |||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1990 | 21,300 | 21,300 | 21,300 | 21,300 | 0 | 21,300 | 21,300 | 21,300 | 21,300 | 21,300 | 21,300 | |
| 1991 | 21,300 | 21,300 | 21,300 | 21,300 | 21,300 | 21,300 | 21,300 | 21,300 | 21,300 | 18,800 | 18,800 | 18,800 |
| 1992 | 18,800 | 18,800 | 18,800 | 18,800 | 18,800 | 18,800 | 18,800 | 18,800 | 18,800 | 18,800 | 18,800 | 18,800 |
| 1993 | 18,800 | 18,800 | 18,800 | 18,800 | 18,800 | 18,800 | 18,800 | 18,800 | 18,800 | 18,800 | 18,800 | 18,800 |
| 1994 | 18,800 | 18,800 | 18,800 | 18,800 | 18,800 | 18,800 | 18,800 | 18,800 | 18,800 | 18,800 | 18,800 | 18,800 |
| 1995 | 18,800 | 18,800 | 18,800 | 18,800 | 18,800 | 18,800 | 18,800 | 18,800 | 18,800 | 18,800 | 18,800 | 21,123 |
| 1996 | 21,413 | 21,683 | 21,963 | 22,200 | 22,200 | 22,200 | 21,852 | 20,062 | 21,518 | 21,728 | 22,029 | 22,200 |
| 1997 | 22,096 | 22,096 | 22,096 | 22,096 | 22,096 | 22,096 | 22,096 | 22,096 | 22,096 | 22,096 | 22,096 | 22,096 |
| 1998 | 22,096 | 22,096 | 22,096 | 22,096 | 22,096 | 22,096 | 22,096 | 22,096 | 22,096 | 22,096 | 22,096 | 22,096 |
| 1999 | 22,096 | 21,200 | 21,496 | 21,596 | 21,825 | 22,133 | 22,201 | 19,000 | 19,000 | 19,000 | 19,000 | 19,000 |
| 2000 | 19,000 | 19,000 | 19,000 | 19,000 | 19,000 | 19,000 | 19,000 | 19,000 | 19,000 | 19,000 | 19,000 | 19,000 |
| 2001 | 19,000 | 19,000 | 19,000 | 19,000 | 19,000 | 19,000 | 19,000 | 19,000 | 19,000 | 19,000 | 19,000 | 19,000 |
| 2002 | 19,000 | 19,000 | 19,000 | 19,000 | 19,000 | 19,000 | 19,000 | 19,000 | 19,168 | 19,244 | 19,328 | 19,425 |
| 2003 | 19,490 | 19,547 | 19,597 | 19,626 | 19,668 | 19,745 | 19,821 | 19,886 | 19,931 | 19,981 | 20,037 | 20,097 |
| 2004 | 20,142 | 20,179 | 20,220 | 20,262 | 20,298 | 20,333 | 20,364 | 20,395 | 20,433 | 20,461 | 20,494 | 20,530 |
| 2005 | 20,556 | 20,585 | 20,613 | 20,640 | 20,672 | 20,704 | 20,751 | 20,797 | 20,843 | 20,876 | 20,918 | 20,955 |
| 2006 | 20,992 | 21,020 | 21,057 | 21,099 | 21,147 | 21,190 | 21,232 | 21,278 | 21,320 | 21,344 | 21,373 | 21,407 |
| 2007 | 21,433 | 21,462 | 21,494 | 21,528 | 21,562 | 21,599 | 21,644 | 21,682 | 21,714 | 21,752 | 21,785 | 21,816 |
| 2008 | 21,838 | 21,870 | 21,902 | 21,936 | 21,967 | 21,095 | 21,120 | 21,154 | 21,169 | 21,204 | 21,233 | 21,255 |
| 2009 | 21,273 | 21,291 | 21,308 | 21,328 | 21,362 | 21,392 | 21,422 | 21,455 | 21,481 | 21,511 | 21,548 | 21,576 |
| 2010 | 21,600 | 21,624 | 21,653 | 21,683 | 21,709 | 21,738 | 21,768 | 21,797 | 21,821 | 21,842 | 21,867 | 21,894 |
| 2011 | 21,920 | 21,942 | 21,967 | 21,991 | 22,016 | 22,038 | 22,060 | 22,083 | 22,104 | 22,120 | 22,140 | 22,160 |
| 2012 | 22,178 | 22,195 | 22,213 | 22,233 | 22,252 | 22,271 | 22,289 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 |
| 2013 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 |
| 2014 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 |
| 2015 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 |
| 2016 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 |
| 2017 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 |
| 2018 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 |
| 2019 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 |
| 2020 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 |
| 2021 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 |
| 2022 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 |
| 2023 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 |
| 2024 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 |
| 2025 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | 22,300 | |||||
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 9/30/2025 |
| Next Release Date: 10/31/2025 |