The preliminary statewide average May temperature was 62.2 degrees, 1.0 degrees below the 1991–2020 normal, 0.1 degrees above the 20th Century average, 1.2 degrees below the most recent 30-year average, and the 62nd warmest May on record. The preliminary statewide total May precipitation was 2.89 inches, 1.88 inches above the 1991–2020 normal, 1.19 inches below […]
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The preliminary statewide average April temperature was 58.8 degrees, 6.2 degrees above the 1991–2020 normal, 7.3 degrees above the 20th Century average, 6.0 degrees above the most recent 30-year average. Last month was the warmest April on record in Illinois. The preliminary statewide total April precipitation was 6.37 inches, 2.13 inches above the 1991–2020 normal, […]
The statewide average March temperature was 47.7°F, 6.3° above the 1991-2020 normal for March and the 7th warmest March on record statewide. The statewide average total March precipitation was 2.76 inches, 0.18 inches below normal and the 58th driest March on record statewide. March Temperatures Start and End Like a Lamb March temperatures had ebb […]
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 […]