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|View History: Monthly Download Data (XLS File)                                
|View History: Monthly                                                          
|View History: Monthly                                                          
|View History:                                                                  
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|Maryland Natural Gas in Underground Storage (Working Gas)  (Million Cubic Feet)
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|Maryland Natural Gas in Underground Storage (Working Gas)  (Million Cubic Feet)
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|Year                                                                                                                              | Jan    | Feb    | Mar    | Apr    | May    | Jun    | Jul    | Aug    | Sep    | Oct    | Nov    | Dec   
|--------------------------------------------------------------------------------------------------------------------------------- | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------
|1990                                                                                                                              | 4,303  | 1,142  | 2,247  | 2,979  | 5,536  | 6,593  | 8,693  | 11,353 | 13,788 | 15,025 | 12,900 | 11,909
|1991                                                                                                                              | 8,772  | 5,481  | 3,859  | 4,780  | 6,264  | 7,917  | 9,321  | 11,555 | 13,665 | 14,339 | 14,626 | 14,529
|1992                                                                                                                              | 9,672  | 4,736  | 2,075  | 1,178  | 4,484  | 7,172  | 8,993  | 11,380 | 13,446 | 14,695 | 15,205 | 13,098
|1993                                                                                                                              | 9,826  | 5,478  | 3,563  | 3,068  | 5,261  | 6,437  | 7,528  | 9,247  | 11,746 | 14,426 | 14,826 | 11,927
|1994                                                                                                                              | 5,381  | 2,913  | 3,450  | 4,698  | 6,743  | 8,207  | 10,307 | 11,766 | 13,315 | 15,084 | 14,310 | 13,177
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|1995                                                                                                                              | 10,964 | 6,721  | 6,616  | 6,372  | 8,372  | 10,403 | 10,214 | 11,396 | 13,444 | 14,596 | 14,062 | 11,121
|1996                                                                                                                              | 7,334  | 4,657  | 3,157  | 3,085  | 5,275  | 7,930  | 9,842  | 11,711 | 13,410 | 14,990 | 13,716 | 12,929
|1997                                                                                                                              | 7,055  | 4,393  | 2,490  | 2,357  | 3,947  | 5,604  | 7,101  | 9,393  | 12,159 | 14,442 | 14,389 | 13,077
|1998                                                                                                                              | 9,840  | 7,095  | 5,465  | 6,591  | 7,400  | 8,651  | 11,575 | 12,982 | 13,765 | 15,031 | 14,908 | 12,840
|1999                                                                                                                              | 9,441  | 7,459  | 6,251  | 6,918  | 9,469  | 9,376  | 8,052  | 10,006 | 11,417 | 14,793 | 14,335 | 12,918
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|2000                                                                                                                              | 7,437  | 4,053  | 4,118  | 4,752  | 7,212  | 10,212 | 12,213 | 14,448 | 14,492 | 14,776 | 13,430 | 8,186 
|2001                                                                                                                              | 5,951  | 3,570  | 2,355  | 3,757  | 6,409  | 9,507  | 12,079 | 11,561 | 12,727 | 14,036 | 14,071 | 13,138
|2002                                                                                                                              | 10,417 | 9,064  | 6,943  | 6,516  | 7,296  | 9,800  | 12,418 | 14,523 | 14,479 | 14,336 | 14,255 | 13,839
|2003                                                                                                                              | 9,102  | 5,099  | 5,223  | 5,973  | 8,507  | 11,323 | 12,686 | 12,796 | 12,956 | 14,770 | 14,349 | 14,063
|2004                                                                                                                              | 8,528  | 5,867  | 5,345  | 5,681  | 7,216  | 10,256 | 12,613 | 13,437 | 14,336 | 14,674 | 14,634 | 13,373
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|2005                                                                                                                              | 10,607 | 8,805  | 7,647  | 8,774  | 11,116 | 9,782  | 9,859  | 10,530 | 13,183 | 14,536 | 15,667 | 15,409
|2006                                                                                                                              | 14,825 | 12,448 | 11,300 | 10,955 | 12,752 | 13,549 | 13,680 | 13,460 | 15,192 | 14,706 | 16,365 | 16,348
|2007                                                                                                                              | 11,633 | 7,471  | 7,874  | 8,476  | 9,967  | 12,785 | 15,206 | 15,238 | 15,073 | 15,422 | 15,707 | 14,938
|2008                                                                                                                              | 11,213 | 8,244  | 5,968  | 7,054  | 8,959  | 10,115 | 12,806 | 15,469 | 15,292 | 14,998 | 14,189 | 14,010
|2009                                                                                                                              | 11,976 | 9,083  | 5,949  | 6,308  | 7,872  | 10,270 | 13,843 | 16,333 | 17,630 | 17,715 | 17,899 | 16,768
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|2010                                                                                                                              | 13,253 | 8,324  | 8,823  | 11,246 | 13,926 | 14,419 | 14,447 | 14,619 | 15,357 | 17,115 | 17,916 | 14,476
|2011                                                                                                                              | 11,486 | 8,881  | 8,011  | 7,991  | 9,868  | 10,775 | 12,195 | 13,013 | 14,405 | 16,382 | 17,695 | 16,196
|2012                                                                                                                              | 13,971 | 13,073 | 13,380 | 14,681 | 15,639 | 16,605 | 16,581 | 16,804 | 16,925 | 17,242 | 15,367 | 13,813
|2013                                                                                                                              | 12,026 | 10,427 | 8,147  | 7,862  | 9,349  | 12,281 | 13,740 | 15,994 | 17,184 | 17,374 | 17,356 | 14,624
|2014                                                                                                                              | 9,384  | 5,698  | 3,855  | 4,834  | 8,445  | 11,624 | 13,932 | 13,918 | 15,509 | 17,428 | 14,664 | 14,068
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|2015                                                                                                                              | 11,011 | 6,135  | 5,165  | 5,419  | 7,965  | 10,543 | 12,982 | 15,768 | 16,141 | 16,403 | 15,913 | 15,396
|2016                                                                                                                              | 11,405 | 9,111  | 9,453  | 8,737  | 10,408 | 13,430 | 14,563 | 15,961 | 16,111 | 15,977 | 15,084 | 12,480
|2017                                                                                                                              | 8,565  | 6,517  | 3,346  | 3,626  | 6,754  | 8,995  | 11,867 | 14,493 | 15,888 | 16,421 | 15,605 | 13,526
|2018                                                                                                                              | 9,034  | 6,073  | 4,090  | 3,436  | 5,098  | 8,344  | 11,247 | 13,845 | 14,497 | 15,596 | 15,308 | 15,654
|2019                                                                                                                              | 12,517 | 9,683  | 6,203  | 7,247  | 8,894  | 9,289  | 10,787 | 11,033 | 11,462 | 14,362 | 15,507 | 14,139
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|2020                                                                                                                              | 12,529 | 11,693 | 10,903 | 7,822  | 8,690  | 10,535 | 11,312 | 13,073 | 14,674 | 15,297 | 16,265 | 13,981
|2021                                                                                                                              | 13,342 | 10,279 | 7,370  | 6,409  | 6,906  | 8,681  | 10,468 | 11,405 | 12,775 | 14,648 | 14,467 | 15,784
|2022                                                                                                                              | 11,386 | 8,583  | 6,484  | 5,617  | 6,848  | 8,151  | 10,208 | 12,924 | 15,498 | 16,394 | 16,091 | 14,761
|2023                                                                                                                              | 13,989 | 13,811 | 14,071 | 14,905 | 14,477 | 15,170 | 14,246 | 16,208 | 16,824 | 17,417 | 16,829 | 16,231
|2024                                                                                                                              | 12,163 | 10,953 | 11,313 | 11,247 | 12,158 |        |        |        |        |        |        |       
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|- = 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