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| Iowa Premium Gasoline Through Company Outlets Price by Refiners (Dollars per Gallon) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1983 | 1.066 | 1.020 | 1.011 | 1.090 | 1.090 | 1.097 | 1.079 | 1.090 | 1.077 | 1.070 | 1.024 | 0.931 |
| 1984 | 0.949 | 0.973 | 0.980 | 1.007 | 1.020 | 1.010 | 0.972 | 0.960 | 0.958 | 0.965 | 0.966 | 0.959 |
| 1985 | 0.883 | 0.872 | 0.934 | 0.997 | 1.020 | 1.039 | 1.028 | 1.030 | 0.997 | 0.997 | 1.032 | 1.022 |
| 1986 | 0.943 | 0.796 | 0.637 | 0.650 | 0.718 | 0.717 | 0.583 | 0.600 | 0.624 | 0.591 | 0.603 | 0.603 |
| 1987 | 0.663 | 0.666 | 0.700 | 0.726 | 0.742 | 0.753 | 0.785 | 0.799 | 0.748 | 0.736 | 0.755 | 0.670 |
| 1988 | 0.653 | 0.650 | 0.655 | 0.726 | 0.750 | 0.733 | 0.755 | 0.783 | 0.745 | 0.710 | 0.709 | 0.716 |
| 1989 | 0.694 | 0.732 | 0.756 | 0.896 | 0.941 | 0.942 | 0.944 | 0.873 | 0.872 | 0.871 | 0.818 | 0.790 |
| 1990 | 0.882 | 0.839 | 0.831 | 0.892 | 0.902 | 0.881 | 0.857 | 1.038 | 1.145 | 1.154 | 1.105 | 1.021 |
| 1991 | 0.958 | 0.853 | 0.854 | 0.918 | 0.947 | 0.919 | 0.874 | 0.901 | 0.823 | 0.821 | 0.875 | 0.798 |
| 1992 | 0.738 | 0.759 | 0.793 | 0.838 | 0.887 | 0.932 | 0.928 | 0.888 | 0.880 | 0.881 | 0.845 | 0.788 |
| 1993 | 0.752 | 0.804 | 0.822 | 0.850 | 0.859 | 0.812 | 0.774 | 0.773 | 0.792 | 0.826 | 0.767 | 0.654 |
| 1994 | 0.689 | 0.699 | 0.701 | 0.736 | 0.737 | 0.790 | 0.824 | 0.893 | 0.885 | 0.842 | 0.835 | 0.772 |
| 1995 | 0.718 | 0.710 | 0.740 | 0.845 | 0.848 | 0.838 | 0.795 | 0.786 | 0.767 | 0.789 | 0.780 | 0.781 |
| 1996 | 0.802 | 0.787 | 0.824 | 0.919 | 0.916 | 0.916 | 0.873 | 0.901 | 0.934 | 0.934 | 0.966 | 0.949 |
| 1997 | 0.888 | 0.888 | 0.868 | 0.847 | 0.909 | 0.913 | 0.880 | 0.924 | 0.913 | 0.872 | 0.843 | 0.803 |
| 1998 | 0.726 | 0.716 | 0.724 | 0.716 | 0.735 | W | 0.737 | 0.694 | 0.675 | 0.668 | 0.613 | 0.583 |
| 1999 | 0.578 | 0.593 | 0.663 | 0.750 | 0.762 | 0.759 | 0.777 | 0.838 | W | 0.839 | 0.851 | W |
| 2000 | W | W | W | W | W | W | 1.247 | 1.081 | 1.219 | 1.196 | 1.154 | 1.025 |
| 2001 | 1.111 | 1.138 | 1.042 | 1.228 | 1.396 | NA | 1.045 | 1.170 | NA | 1.039 | 0.844 | 0.758 |
| 2002 | 0.753 | 0.756 | 0.948 | 1.046 | 0.997 | 0.997 | 1.061 | 1.051 | 1.062 | 1.137 | 1.053 | 1.004 |
| 2003 | 1.071 | 1.260 | 1.304 | 1.133 | 1.121 | 1.130 | 1.133 | 1.275 | 1.243 | 1.177 | 1.118 | 1.113 |
| 2004 | 1.242 | 1.244 | 1.344 | 1.406 | 1.615 | 1.504 | W | 1.454 | W | W | W | W |
| 2005 | W | W | W | W | W | W | W | W | W | W | W | W |
| 2006 | 1.853 | 1.851 | 2.100 | 2.382 | 2.414 | W | W | 2.537 | 1.975 | 1.789 | 1.869 | 1.931 |
| 2007 | W | 1.882 | 2.197 | 2.445 | 2.866 | 2.672 | 2.735 | 2.513 | 2.526 | 2.378 | 2.715 | 2.581 |
| 2008 | 2.652 | 2.699 | W | W | 3.430 | W | W | W | W | W | W | W |
| 2009 | W | W | W | W | W | W | W | 2.229 | 2.117 | W | W | W |
| 2010 | W | W | W | W | W | W | W | W | W | W | W | W |
| 2011 | W | W | W | W | W | W | W | W | W | - | - | - |
| 2012 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2013 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2014 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2015 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2016 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2017 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2018 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2019 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2020 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2021 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2022 | - | - | - | |||||||||
| - = 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 |