Marion 12Z temperature 1988 - - - - - - - - - - - - 1989 - - - - - - - - 4.8 - - - 1990 - - - - - - - - 5.6 6.0 - - 1991 - - - 8.4 - - - - - - - - 1992 - - - - - - - 4.4 - - - - 1993 - 11.1 9.3 8.3 5.6 5.1 - 5.1 5.4 6.1 7.4 8.6 1994 8.4 - 9.3 7.5 - 5.4 4.8 4.3 4.1 5.9 6.4 - 1995 - - - 6.7 - 3.9 4.2 4.2 - 5.4 7.2 8.6 1996 9.4 9.5 9.0 9.0 - 6.1 - 5.7 5.3 6.7 7.9 8.5 1997 10.1 10.2 9.1 8.4 7.2 5.7 5.5 - 7.0 7.6 7.0 8.8 1998 9.6 - 9.2 8.2 6.5 5.6 5.4 4.9 4.8 6.6 8.9 9.4 1999 10.3 10.1 9.8 8.6 6.2 5.3 6.3 5.1 5.8 7.1 - 8.6 2000 9.5 9.7 9.1 8.4 - 6.2 - - 4.3 5.5 8.5 7.5 2001 9.6 10.1 - 6.8 6.9 5.9 - 5.3 5.3 5.3 - - 2002 - 9.8 9.1 - 7.1 5.2 5.5 6.0 4.7 6.9 6.6 7.7 2003 8.4 9.8 9.3 8.0 - 5.7 4.6 - - - 7.2 8.3 2004 - 9.9 - - - 7.6 5.8 - 3.5 - - 10.5 2005 9.1 10.3 8.9 7.1 6.1 - 4.1 3.9 - - 6.8 - 2006 9.0 9.0 8.4 6.6 - 4.3 4.8 4.5 - - 6.4 - 2007 8.8 9.2 - 9.0 - - 4.9 4.3 5.6 5.0 6.3 9.1 2008 8.3 8.5 7.4 - 6.4 5.4 - 3.5 4.3 5.8 6.3 7.3 2009 8.1 9.4 8.6 6.7 - 5.4 3.8 5.5 4.3 5.1 6.7 6.5 2010 8.8 9.1 8.0 - 5.6 5.1 4.8 4.7 5.0 6.4 7.1 7.3 2011 - 10.3 8.9 7.8 7.3 4.9 5.5 6.7 4.0 5.7 7.1 9.6 2012 9.5 9.1 8.9 8.3 6.2 4.1 4.4 5.3 5.3 5.9 7.0 8.7 2013 - - 8.8 7.4 5.4 4.0 5.0 5.1 4.5 5.4 6.9 8.7 2014 10.3 9.8 8.8 7.6 5.9 4.5 3.5 4.1 4.5 6.4 6.8 8.0 2015 9.0 9.3 8.7 8.6 6.4 4.6 4.2 5.3 6.2 7.0 6.8 8.0 2016 9.2 9.7 8.9 7.4 6.2 6.2 5.8 5.3 - 6.1 6.6 8.7 2017 - - - - - - - 5.2 4.7 6.6 7.4 - 2018 - 10.4 8.9 - - 5.8 6.4 4.5 4.6 6.6 7.9 9.7 2019 9.7 9.9 9.2 8.6 - 6.1 4.4 4.5 5.4 6.3 6.8 9.1 2020 9.8 11.0 9.9 8.1 6.2 6.3 5.1 3.4 5.0 6.5 7.9 8.4 2021 8.5 8.7 9.1 7.7 6.2 6.2 5.8 5.4 5.4 6.9 8.1 7.8 2022 10.8 - - 7.6 - 4.6 - - 6.5 6.9 8.1 - 2023 11.9 11.0 9.3 7.8 7.0 5.7 - 7.0 - - - 9.9 2024 12.7 13.5 12.5 - - - - - - - - -