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|View History: Monthly Download Data (XLS File)                                                                            
|View History: Monthly                                                                                                      
|View History: Monthly                                                                                                      
|View History:                                                                                                              
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|Pennsylvania Natural Gas in Underground Storage - Change in Working Gas from Same Month Previous Year  (Million Cubic Feet)
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|Pennsylvania Natural Gas in Underground Storage - Change in Working Gas from Same Month Previous Year  (Million Cubic Feet)
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|Year                                                                                                                              | Jan      | Feb      | Mar      | Apr     | May     | Jun     | Jul     | Aug     | Sep     | Oct     | Nov     | Dec    
|--------------------------------------------------------------------------------------------------------------------------------- | -------- | -------- | -------- | ------- | ------- | ------- | ------- | ------- | ------- | ------- | ------- | -------
|1990                                                                                                                              | -2,863   | -1,902   | -2,297   | -1,134  | -1,671  | -1,997  | -907    | -144    | 629     | 992     | 2,290   | 1,354  
|1991                                                                                                                              | 30,778   | 27,964   | 37,141   | 36,920  | 15,424  | -18,322 | -46,969 | -63,245 | -61,004 | -48,820 | -54,587 | -34,458
|1992                                                                                                                              | 6,870    | -8,479   | -43,753  | -43,739 | -33,236 | -8,601  | 3,190   | 9,732   | 8,583   | 15,815  | 27,780  | 16,330 
|1993                                                                                                                              | 16,748   | -23,871  | -27,342  | -13,729 | -7,043  | -138    | 11,093  | 8,174   | 14,808  | 2,868   | -4,885  | -9,642 
|1994                                                                                                                              | -45,776  | -23,124  | 8,987    | 25,048  | 32,148  | 34,360  | 39,360  | 43,202  | 18,502  | 20,447  | 7,409   | 15,602 
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|1995                                                                                                                              | 60,371   | 42,037   | 36,507   | 9,811   | 2,098   | -569    | -19,226 | -25,702 | -1,403  | 1,156   | -23,733 | -57,737
|1996                                                                                                                              | -75,032  | -45,509  | -55,896  | -48,636 | -47,663 | -40,651 | -1,276  | 12,641  | 2,462   | 1,414   | 12,059  | 63,322 
|1997                                                                                                                              | 49,038   | 59,960   | 50,263   | 31,778  | 29,181  | 17,628  | -11,401 | -18,671 | -7,659  | -8,535  | -833    | -26,112
|1998                                                                                                                              | 11,818   | 15,107   | 23,807   | 56,487  | 73,715  | 64,954  | 55,349  | 31,462  | 10,457  | 14,444  | 40,506  | 48,153 
|1999                                                                                                                              | 14,687   | 7,115    | 1,197    | -6,824  | -19,921 | -24,828 | -29,217 | -10,928 | 2,745   | 1,798   | -2,933  | -30,017
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|2000                                                                                                                              | -52,794  | -63,191  | -29,759  | -49,249 | -42,345 | -34,675 | -12,727 | -18,369 | -12,140 | -4,443  | -21,847 | -49,085
|2001                                                                                                                              | -6,778   | 8,944    | -29,044  | 6,779   | 19,744  | 34,106  | 34,530  | 28,570  | 20,410  | 20,544  | 51,584  | 99,118 
|2002                                                                                                                              | 106,666  | 95,472   | 96,753   | 72,810  | 49,081  | 40,610  | 19,942  | 18,826  | 16,730  | -10,599 | -30,043 | -56,881
|2003                                                                                                                              | -115,040 | -127,648 | -90,356  | -91,640 | -63,886 | -51,944 | -42,218 | -28,642 | -14,554 | 12,923  | 19,073  | 42,561 
|2004                                                                                                                              | 44,040   | 48,270   | 37,065   | 45,184  | 26,012  | 19,399  | 31,236  | 30,941  | 16,616  | 7,756   | 6,561   | -8,853 
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|2005                                                                                                                              | 16,482   | 27,340   | -3,654   | 10,047  | 18,395  | 9,162   | -5,538  | -14,568 | -14,910 | -8,218  | 798     | 4,286  
|2006                                                                                                                              | 72,596   | 61,507   | 79,604   | 77,150  | 61,180  | 55,950  | 30,505  | 31,590  | 26,371  | -7,718  | -2,811  | 32,908 
|2007                                                                                                                              | -10,671  | -52,680  | -51,323  | -77,847 | -53,358 | -42,729 | -11,950 | -13,997 | -13,801 | 15,943  | -5,800  | -41,076
|2008                                                                                                                              | -49,905  | -12,616  | -23,860  | -5,437  | -26,723 | -39,380 | -37,184 | -3,459  | -6,834  | -12,170 | -16,099 | -8,056 
|2009                                                                                                                              | -36,953  | -13,432  | 6,629    | 13,390  | 33,335  | 52,467  | 50,671  | 27,717  | 25,974  | 18,359  | 36,881  | 25,574 
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|2010                                                                                                                              | 45,399   | 26,786   | 42,820   | 45,998  | 21,285  | -3,721  | -18,013 | -22,912 | -20,640 | -1,860  | -10,433 | -27,242
|2011                                                                                                                              | -27,193  | -19,334  | -38,608  | -46,342 | -45,052 | -36,861 | -33,916 | -28,503 | -12,240 | -7,869  | 5,882   | 54,849 
|2012                                                                                                                              | 77,912   | 95,029   | 123,711  | 113,985 | 100,224 | 87,275  | 60,472  | 40,179  | 14,261  | 6,227   | -25,789 | -11,919
|2013                                                                                                                              | -9,810   | -36,060  | -95,583  | -94,591 | -76,953 | -56,652 | -38,627 | -35,227 | -20,903 | -24,376 | -18,569 | -53,420
|2014                                                                                                                              | -86,299  | -102,067 | -91,397  | -85,937 | -70,069 | -59,819 | -43,007 | -20,332 | -7,469  | 12,995  | 16,185  | 42,184 
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|2015                                                                                                                              | 54,660   | 50,294   | 48,892   | 50,218  | 49,319  | 44,610  | 27,203  | 18,232  | 6,781   | -1,466  | 20,561  | 38,300 
|2016                                                                                                                              | 34,424   | 64,473   | 98,696   | 77,397  | 46,930  | 31,712  | 31,784  | 15,322  | 19,876  | 5,333   | -11,146 | -69,154
|2017                                                                                                                              | -64,135  | -55,967  | -113,544 | -85,898 | -67,690 | -56,984 | -41,504 | -12,645 | -22,706 | -8,168  | -18,172 | -9,820 
|2018                                                                                                                              | -17,305  | -16,705  | -6,351   | -40,632 | -41,366 | -41,963 | -38,897 | -57,860 | -37,091 | -37,891 | -43,449 | -18,247
|2019                                                                                                                              | -8,218   | -19,701  | -506     | 33,877  | 39,960  | 47,145  | 30,759  | 46,471  | 48,167  | 51,990  | 64,207  | 57,868 
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|2020                                                                                                                              | 74,118   | 75,510   | 90,794   | 66,124  | 70,676  | 55,734  | 47,756  | 30,210  | 10,342  | -2,918  | 7,848   | -8,084 
|2021                                                                                                                              | -29,384  | -45,620  | -43,392  | -37,949 | -61,746 | -74,160 | -63,658 | -66,584 | -50,443 | -19,986 | -43,267 | -7,519 
|2022                                                                                                                              | -36,866  | -30,187  | -33,920  | -39,635 | -24,557 | -7,822  | -10,990 | -5,779  | 3,942   | -6,822  | 20,504  | -14,300
|2023                                                                                                                              | 44,547   | 64,002   | 58,205   | 87,232  | 97,653  | 86,656  | 68,601  | 56,269  | 23,574  | 19,700  | 2,022   | 38,497 
|2024                                                                                                                              | 3,704    | -7,944   | 10,751   | 6,658   | -1,264  |         |         |         |         |         |         |        
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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