Here are the statewide monthly temperature and precipitation departures for Illinois in 2015. The departures are from the 1981-2010 averages.
The standout features of 2015 so far have been:
- the very cold February, 19.4 degrees, and tied with 2014 as the 8th coldest February on record;
- the very wet June, 9.44 inches of precipitation and the wettest June on record.
Statewide records go back to 1895 and are maintained by the National Centers for Environmental Information.