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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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|Percent of Commercial Natural Gas Deliveries in California Represented by the Price  (Percent)
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|Percent of Commercial Natural Gas Deliveries in California Represented by the Price  (Percent)
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|Year                                                                                                                              | Jan  | Feb  | Mar  | Apr  | May  | Jun  | Jul  | Aug  | Sep  | Oct  | Nov  | Dec 
|--------------------------------------------------------------------------------------------------------------------------------- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ----
|1989                                                                                                                              | 94.6 | 95.1 | 93.0 | 88.3 | 94.8 | 92.8 | 89.4 | 87.8 | 91.0 | 88.5 | 90.1 | 92.2
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|1990                                                                                                                              | 95.8 | 81.1 | 94.4 | 90.4 | 90.2 | 85.6 | 78.0 | 82.6 | 79.1 | 82.3 | 85.6 | 88.3
|1991                                                                                                                              | 90.5 | 88.4 | 90.2 | 71.0 | 82.2 | 71.0 | 68.0 | 85.8 | 68.0 | 64.7 | 69.8 | 80.3
|1992                                                                                                                              | 86.6 | 65.6 | 75.7 | 79.0 | 63.5 | 74.5 | 60.9 | 64.6 | 79.7 | 79.0 | 76.7 | 81.4
|1993                                                                                                                              | 79.9 | 82.3 | 77.6 | 80.7 | 76.8 | 71.4 | 76.4 | 70.3 | 70.6 | 73.8 | 75.7 | 78.8
|1994                                                                                                                              | 51.3 | 47.2 | 50.6 | 40.5 | 47.4 | 32.2 | 36.4 | 46.5 | 46.0 | 52.2 | 57.8 | 68.2
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|1995                                                                                                                              | 61.3 | 58.6 | 64.7 | 56.8 | 50.3 | 53.1 | 44.7 | 44.1 | 39.9 | 43.4 | 48.7 | 50.9
|1996                                                                                                                              | 59.9 | 59.6 | 63.7 | 64.1 | 52.6 | 53.5 | 48.4 | 44.7 | 45.3 | 44.1 | 57.9 | 56.1
|1997                                                                                                                              | 57.4 | 59.3 | 54.6 | 52.5 | 50.0 | 48.5 | 45.6 | 41.5 | 40.7 | 41.6 | 49.2 | 54.8
|1998                                                                                                                              | 63.4 | 59.8 | 75.5 | 58.3 | 53.9 | 58.4 | 36.4 | 29.0 | 33.2 | 37.5 | 38.8 | 49.2
|1999                                                                                                                              | 63.5 | 60.4 | 61.4 | 62.5 | 51.1 | 61.9 | 53.8 | 39.0 | 51.2 | 55.4 | 54.2 | 60.7
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|2000                                                                                                                              | 58.3 | 61.2 | 60.3 | 59.1 | 54.5 | 59.3 | 52.3 | 47.5 | 49.8 | 57.0 | 56.4 | 63.5
|2001                                                                                                                              | 63.8 | 66.5 | 64.3 | 51.9 | 62.7 | 66.2 | 59.8 | 60.3 | 60.3 | 63.5 | 63.2 | 68.0
|2002                                                                                                                              | 70.7 | 70.5 | 73.6 | 69.6 | 65.5 | 65.2 | 62.8 | 62.8 | 67.5 | 69.2 | 68.5 | 73.0
|2003                                                                                                                              | 57.4 | 61.9 | 72.3 | 72.5 | 74.8 | 74.5 | 67.9 | 77.9 | 72.0 | 67.4 | 78.1 | 78.7
|2004                                                                                                                              | 72.3 | 71.7 | 71.3 | 72.4 | 67.2 | 73.1 | 69.5 | 68.2 | 67.8 | 68.7 | 72.2 | 75.5
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|2005                                                                                                                              | 71.8 | 71.4 | 71.9 | 74.8 | 68.3 | 68.8 | 60.4 | 63.7 | 59.9 | 66.7 | 70.3 | 71.0
|2006                                                                                                                              | 69.4 | 69.4 | 74.0 | 67.0 | 66.9 | 62.8 | 58.9 | 53.3 | 57.0 | 60.5 | 62.8 | 66.2
|2007                                                                                                                              | 65.9 | 63.0 | 67.5 | 63.6 | 61.5 | 58.6 | 56.1 | 53.2 | 50.6 | 52.6 | 59.0 | 66.4
|2008                                                                                                                              | 59.3 | 61.2 | 58.5 | 56.3 | 57.5 | 56.9 | 54.7 | 50.7 | 48.2 | 50.9 | 56.0 | 62.3
|2009                                                                                                                              | 58.4 | 60.8 | 59.5 | 57.2 | 54.6 | 54.9 | 52.3 | 46.5 | 46.9 | 48.2 | 50.9 | 60.0
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|2010                                                                                                                              | 56.2 | 58.9 | 53.5 | 55.0 | 55.3 | 53.9 | 53.6 | 52.5 | 45.5 | 47.5 | 53.0 | 58.7
|2011                                                                                                                              | 56.9 | 58.1 | 56.7 | 55.5 | 55.6 | 53.9 | 52.3 | 48.8 | 46.9 | 48.0 | 55.8 | 56.8
|2012                                                                                                                              | 53.8 | 56.0 | 53.2 | 53.4 | 51.8 | 47.7 | 44.7 | 42.4 | 42.8 | 44.5 | 49.1 | 52.8
|2013                                                                                                                              | 52.9 | 56.1 | 52.0 | 52.7 | 51.0 | 47.6 | 42.5 | 44.0 | 43.7 | 48.1 | 49.8 | 51.2
|2014                                                                                                                              | 52.0 | 51.7 | 51.6 | 49.8 | 48.5 | 46.3 | 43.1 | 42.6 | 41.3 | 45.2 | 51.0 | 52.0
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|2015                                                                                                                              | 50.9 | 54.9 | 50.6 | 51.8 | 51.5 | 47.2 | 44.9 | 43.4 | 43.8 | 46.5 | 51.7 | 54.7
|2016                                                                                                                              | 54.4 | 53.2 | 52.3 | 54.0 | 53.1 | 48.2 | 47.2 | 43.2 | 46.8 | 49.5 | 52.0 | 54.0
|2017                                                                                                                              | 56.4 | 56.8 | 53.7 | 53.7 | 54.9 | 51.4 | 48.4 | 46.8 | 47.4 | 48.3 | 51.0 | 54.6
|2018                                                                                                                              | 53.8 | 54.9 | 54.6 | 51.9 | 53.6 | 50.4 | 48.9 | 42.6 | 47.9 | 46.5 | 51.3 | 54.3
|2019                                                                                                                              | 53.0 | 55.2 | 55.2 | 55.5 | 55.4 | 53.0 | 46.9 | 46.1 | 47.6 | 50.0 | 52.6 | 58.0
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|2020                                                                                                                              | 56.8 | 53.4 | 52.1 | 47.7 | 43.8 | 47.6 | 47.9 | 45.0 | 42.2 | 47.2 | 53.6 | 56.6
|2021                                                                                                                              | 55.4 | 57.4 | 57.0 | 55.4 | 55.1 | 49.8 | 46.5 | 45.9 | 49.3 | 49.8 | 52.0 | 59.5
|2022                                                                                                                              | 58.5 | 58.3 | 55.6 | 57.4 | 56.1 | 52.6 | 48.3 | 47.5 | 47.3 | 48.1 | 55.2 | 57.7
|2023                                                                                                                              | NA   | 58.7 | 59.8 | 56.7 | 56.3 | 53.3 | 47.8 | 46.5 | 45.6 | 47.6 | 52.3 | 56.5
|2024                                                                                                                              | 55.8 | 56.1 | 57.3 | 51.9 | NA   |      |      |      |      |      |      |     
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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