The preliminary statewide average February temperature was 33.8 degrees, 2.8 degrees above the 1991–2020 normal, 4.6 degrees above the 20th Century average, 2.8 degrees above the most recent 30-year average, and it tied for 29th warmest February on record going back to 1895. The preliminary statewide average total February precipitation was 0.54 inches, 1.57 inches […]
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The preliminary statewide average January temperature was 22.3 degrees, 4.4 degrees below the 1991-2020 average and tied for the 34th coldest on record going back to 1895. The preliminary statewide average total January precipitation was 1.25 inches, 1.06 inches below the 1991-2020 average and tied for the 32nd driest on record statewide. Data are provisional […]
The preliminary statewide average October temperature was 56.7 degrees, 1.9 degrees above the 1991–2020 average and tied for the 31st warmest on record going back to 1895. The preliminary statewide total October precipitation was 3.46 inches, 0.20 inches above the 1991–2020 average and the 41st wettest on record. Data are provisional and may change slightly […]
We saw highly variable temperatures across the state this month, with record-breaking heat in the early part of October, and record-breaking cold in the latter part. The preliminary statewide October average temperature was 53.7 degrees, less than 1 degree below our 30-year normal. Temperatures were near normal in eastern Illinois, and between 2 and 6 […]