|                                                                     
|---------------------------------------------------------------------
|                                                                     
|View History: Monthly Download Data (XLS File)                      
|View History: Monthly                                                
|View History: Monthly                                                
|View History:                                                        
|                                                                     
|Oklahoma Natural Gas Underground Storage Volume  (Million Cubic Feet)
|                                                                     
|                                                                     
|Oklahoma Natural Gas Underground Storage Volume  (Million Cubic Feet)
|                                                                     

|Year                                                                                                                              | Jan     | Feb     | Mar     | Apr     | May     | Jun     | Jul     | Aug     | Sep     | Oct     | Nov     | Dec    
|--------------------------------------------------------------------------------------------------------------------------------- | ------- | ------- | ------- | ------- | ------- | ------- | ------- | ------- | ------- | ------- | ------- | -------
|1990                                                                                                                              | 296,629 | 281,511 | 286,917 | 279,978 | 298,202 | 307,083 | 317,720 | 325,432 | 332,591 | 338,392 | 353,804 | 327,277
|1991                                                                                                                              | 283,982 | 278,961 | 284,515 | 298,730 | 313,114 | 323,305 | 324,150 | 328,823 | 338,810 | 342,711 | 317,072 | 306,300
|1992                                                                                                                              | 288,415 | 280,038 | 276,287 | 282,263 | 290,192 | 301,262 | 318,719 | 326,705 | 339,394 | 346,939 | 330,861 | 299,990
|1993                                                                                                                              | 275,054 | 253,724 | 246,989 | 257,844 | 277,833 | 296,860 | 311,870 | 325,201 | 341,207 | 348,646 | 330,986 | 316,146
|1994                                                                                                                              | 285,115 | 259,794 | 257,148 | 273,797 | 298,007 | 311,154 | 327,281 | 340,312 | 349,174 | 353,630 | 350,671 | 334,502
|                                                                                                                                 
|1995                                                                                                                              | 310,835 | 297,169 | 287,302 | 291,768 | 308,245 | 320,842 | 327,910 | 326,131 | 338,685 | 351,385 | 343,918 | 320,269
|1996                                                                                                                              | 293,709 | 269,814 | 254,790 | 259,195 | 278,337 | 288,280 | 296,483 | 311,439 | 330,175 | 340,369 | 322,656 | 301,439
|1997                                                                                                                              | 273,779 | 265,824 | 273,773 | 281,157 | 299,477 | 307,578 | 308,591 | 316,919 | 331,358 | 350,879 | 337,815 | 313,073
|1998                                                                                                                              | 291,948 | 290,811 | 283,937 | 305,233 | 328,873 | 341,148 | 348,735 | 356,241 | 368,359 | 387,429 | 386,704 | 346,254
|1999                                                                                                                              | 315,096 | 317,308 | 309,213 | 317,405 | 331,248 | 340,322 | 341,824 | 341,991 | 357,476 | 368,915 | 371,860 | 352,823
|                                                                                                                                 
|2000                                                                                                                              | 299,591 | 263,218 | 260,770 | 266,865 | 275,518 | 288,056 | 290,407 | 289,158 | 307,073 | 319,872 | 303,802 | 260,548
|2001                                                                                                                              | 236,754 | 223,566 | 215,461 | 245,101 | 276,616 | 301,486 | 321,660 | 332,277 | 349,655 | 354,548 | 356,561 | 346,937
|2002                                                                                                                              | 323,022 | 301,480 | 287,441 | 301,250 | 326,728 | 339,050 | 340,004 | 337,826 | 344,696 | 341,357 | 332,102 | 309,554
|2003                                                                                                                              | 271,504 | 238,716 | 225,579 | 234,060 | 257,003 | 281,700 | 292,664 | 303,648 | 332,267 | 344,079 | 344,074 | 327,099
|2004                                                                                                                              | 292,838 | 261,105 | 261,073 | 280,345 | 299,924 | 320,116 | 332,799 | 341,251 | 350,431 | 358,511 | 353,308 | 329,134
|                                                                                                                                 
|2005                                                                                                                              | 292,975 | 278,952 | 273,346 | 289,366 | 310,350 | 318,746 | 325,649 | 332,524 | 340,589 | 350,900 | 343,596 | 311,918
|2006                                                                                                                              | 299,521 | 276,696 | 273,945 | 289,715 | 305,543 | 323,784 | 327,221 | 331,458 | 351,946 | 356,174 | 352,038 | 336,744
|2007                                                                                                                              | 299,861 | 271,911 | 285,563 | 294,400 | 311,672 | 326,134 | 336,020 | 333,139 | 344,138 | 355,490 | 352,161 | 314,030
|2008                                                                                                                              | 269,851 | 240,275 | 257,163 | 249,276 | 279,340 | 297,333 | 311,075 | 328,488 | 349,634 | 357,769 | 355,597 | 336,073
|2009                                                                                                                              | 310,519 | 299,760 | 298,837 | 313,264 | 330,765 | 339,850 | 345,218 | 348,705 | 355,416 | 356,959 | 358,546 | 317,117
|                                                                                                                                 
|2010                                                                                                                              | 279,313 | 250,623 | 253,309 | 280,736 | 308,462 | 324,144 | 335,331 | 340,867 | 353,236 | 362,296 | 359,440 | 331,060
|2011                                                                                                                              | 290,368 | 268,144 | 265,586 | 285,092 | 305,306 | 315,979 | 322,399 | 332,248 | 348,159 | 361,770 | 360,590 | 343,963
|2012                                                                                                                              | 323,646 | 307,054 | 309,839 | 318,202 | 330,871 | 341,997 | 347,472 | 352,013 | 359,253 | 362,885 | 359,584 | 338,982
|2013                                                                                                                              | 305,486 | 279,694 | 262,949 | 270,117 | 293,368 | 310,075 | 317,797 | 325,829 | 340,801 | 351,660 | 343,793 | 308,240
|2014                                                                                                                              | 274,227 | 244,217 | 229,859 | 240,759 | 260,542 | 276,556 | 287,336 | 297,850 | 313,210 | 337,260 | 330,212 | 314,714
|                                                                                                                                 
|2015                                                                                                                              | 284,085 | 253,052 | 251,397 | 273,903 | 304,759 | 322,480 | 331,194 | 337,339 | 345,498 | 358,954 | 354,984 | 346,618
|2016                                                                                                                              | 319,836 | 309,723 | 315,586 | 324,956 | 340,266 | 343,288 | 346,634 | 345,530 | 347,572 | 359,311 | 364,967 | 334,111
|2017                                                                                                                              | 297,902 | 294,677 | 300,540 | 305,260 | 318,809 | 329,206 | 328,116 | 326,451 | 330,776 | 340,508 | 337,958 | 310,637
|2018                                                                                                                              | 272,547 | 241,285 | 235,792 | 241,957 | 259,803 | 272,865 | 278,171 | 291,614 | 301,891 | 316,356 | 308,255 | 296,898
|2019                                                                                                                              | 269,021 | 243,727 | 234,721 | 251,179 | 275,312 | 293,998 | 309,755 | 316,126 | 328,129 | 339,187 | 329,927 | 306,065
|                                                                                                                                 
|2020                                                                                                                              | 275,151 | 247,489 | 253,808 | 268,838 | 289,767 | 305,759 | 314,478 | 322,445 | 336,885 | 335,937 | 334,466 | 297,382
|2021                                                                                                                              | 260,290 | 232,853 | 236,611 | 250,385 | 275,140 | 290,446 | 300,941 | 309,303 | 324,191 | 335,491 | 330,725 | 314,245
|2022                                                                                                                              | 270,718 | 241,495 | 238,092 | 251,436 | 272,871 | 288,151 | 296,074 | 307,382 | 321,970 | 333,294 | 326,688 | 305,991
|2023                                                                                                                              | 288,943 | 275,496 | 264,500 | 270,428 | 291,384 | 309,274 | 315,875 | 317,613 | 326,789 | 337,184 | 334,940 | 322,901
|2024                                                                                                                              | 283,595 | 277,769 |         |         |         |         |         |         |         |         |         |        
|                                                                                                                                 
|- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
|                                                                                                                                 
|Release Date: 4/30/2024                                                                                                          
|Next Release Date: 5/31/2024