2013 – Month by Month in Illinois

For 2013 in Illinois, here are the graphs of monthly temperature and precipitation departures from the 1981-2010 average, through the end of June. In terms of temperature, the two standout months were the mild January and the chilly March. For precipitation, all but March have had above-average precipitation. These are statewide numbers so your experience may differ from this.

One situation we have run into is that several sites have received more precipitation in the first six months of 2013 than they did in all 12 months of 2012. For example,

  • Havana received 25.49 inches in 2012, and 35.35 inches in the first half of 2013.
  • Quincy received 24.56 inches in 2012, and 27.30 inches in the first half of 2013.
  • Peoria received 27.08 inches in 2012, and 29.71 inches in the first half of 2013.
  • Moline received 27.25 inches in 2012, and 29.29 inches in the first half of 2013.
  • Rockford received 23.35 inches in 2012, and 27.16 inches in the first half of 2013.
  • Chicago received 26.91 inches in 2012, and 28.46 inches in the first half of 2013.

image001

image013

Advertisements