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|View History:  Monthly  Annual Download Data (XLS File)                        
|View History:  Monthly  Annual                                                  
|View History:  Monthly  Annual                                                  
|View History:                                                                   
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|Washington Natural Gas Injections into Underground Storage  (Million Cubic Feet)
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|Washington Natural Gas Injections into Underground Storage  (Million Cubic Feet)
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|Decade                                                                                                                            | Year-0 | Year-1 | Year-2 | Year-3 | Year-4 | Year-5 | Year-6 | Year-7 | Year-8 | Year-9
|--------------------------------------------------------------------------------------------------------------------------------- | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------
|1960's                                                                                                                            |        |        |        |        |        |        |        | 1,270  | 974    | 1,827 
|1970's                                                                                                                            | 6,688  | 7,442  | 9,608  | 8,598  | 7,993  | 12,009 | 13,858 | 15,540 | 7,358  | 14,332
|1980's                                                                                                                            | 14,408 | 11,083 | 5,344  | 6,218  | 12,002 | 7,847  | 6,269  | 6,884  | 5,415  | 12,921
|1990's                                                                                                                            | 14,296 | 14,214 | 13,294 | 19,575 | 18,705 | 17,815 | 20,124 | 20,018 | 23,136 | 19,227
|2000's                                                                                                                            | 24,424 | 25,176 | 25,378 | 26,357 | 22,194 | 22,562 | 21,997 | 26,184 | 25,304 | 26,411
|2010's                                                                                                                            | 25,968 | 27,946 | 25,183 | 28,208 | 29,058 | 25,789 | 29,172 | 28,788 | 28,339 | 30,665
|2020's                                                                                                                            | 29,618 | 32,076 | 31,917 | 36,093 |        |        |        |        |        |       
|- = 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