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| South Dakota Gasoline Midgrade Through Company Outlets Price by Refiners (Dollars per Gallon) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1988 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| 1989 | - | - | - | - | - | - | - | - | - | - | - | - |
| 1990 | - | - | - | - | - | - | - | - | - | - | - | - |
| 1991 | - | - | - | - | - | - | - | - | W | W | W | W |
| 1992 | W | W | W | W | W | W | W | W | W | W | W | W |
| 1993 | W | W | W | W | W | W | W | W | W | W | W | W |
| 1994 | W | W | W | W | W | W | W | W | W | W | W | W |
| 1995 | W | W | W | W | W | W | W | W | W | W | W | W |
| 1996 | W | W | W | W | - | - | - | - | W | W | W | W |
| 1997 | W | W | W | W | W | W | W | W | W | W | W | W |
| 1998 | W | W | W | W | W | W | W | W | W | W | W | W |
| 1999 | W | W | W | W | W | W | W | W | W | W | W | W |
| 2000 | W | W | W | W | W | W | W | 1.094 | W | W | W | W |
| 2001 | 1.065 | 1.083 | 1.032 | 1.192 | 1.408 | W | 0.964 | 1.100 | NA | 0.948 | 0.737 | W |
| 2002 | 0.723 | 0.741 | 0.895 | 0.993 | 0.975 | 0.921 | 0.956 | 0.978 | 0.965 | 1.036 | 0.911 | W |
| 2003 | NA | W | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| 2004 | 1.105 | 1.138 | 1.245 | 1.295 | W | W | W | W | W | W | W | W |
| 2005 | W | W | W | W | W | W | W | W | W | W | W | W |
| 2006 | 1.828 | 1.831 | 1.975 | 2.280 | 2.325 | 2.342 | 2.512 | 2.528 | 1.984 | 1.704 | 1.758 | 1.863 |
| 2007 | 1.702 | 1.776 | 2.082 | 2.294 | 2.723 | 2.541 | 2.541 | 2.368 | 2.421 | 2.245 | 2.583 | 2.446 |
| 2008 | 2.477 | 2.498 | 2.701 | 2.873 | 3.293 | 3.437 | 3.413 | NA | 2.967 | 2.264 | 1.444 | 1.185 |
| 2009 | 1.299 | 1.391 | 1.519 | 1.557 | 1.853 | 2.169 | 2.016 | 2.128 | 1.957 | 2.033 | 2.174 | 2.144 |
| 2010 | NA | 2.096 | 2.320 | 2.358 | NA | 2.128 | W | W | W | W | W | W |
| 2011 | W | W | W | W | W | W | W | W | W | W | W | W |
| 2012 | W | W | W | W | W | W | W | W | W | W | W | W |
| 2013 | W | W | W | W | W | W | W | W | W | W | W | W |
| 2014 | W | W | W | W | W | W | W | W | W | W | W | W |
| 2015 | W | W | W | W | W | W | W | W | W | W | W | W |
| 2016 | W | W | W | W | W | W | W | W | W | W | W | W |
| 2017 | W | W | W | W | W | W | W | W | W | W | W | W |
| 2018 | W | W | W | W | W | W | W | W | W | W | W | 2.029 |
| 2019 | W | W | W | W | W | W | W | W | W | W | W | W |
| 2020 | W | W | W | W | W | W | W | W | W | W | W | W |
| 2021 | W | W | W | W | W | W | W | W | W | W | W | W |
| 2022 | W | W | W | |||||||||
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 6/1/2022 |
| Next Release Date: TBD |