Here are the monthly temperature and precipitation departures for 2014. September joins January, February, March, and July as much cooler than average months. For precipitation, we noted last month that we were regularly alternating between wetter- and drier-than-average months in 2014. That changed in September with two months in a row of wetter-than-average conditions.
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Temperature The statewide temperature in Illinois for the January-July period this year stands at 47.5 degrees, 3.9 degrees below average and the 5th coldest January-July on record for the state. It is no surprise why this would be the case. The bar graph below shows the monthly temperature departures from average (1981-2010) for 2014 in […]
Here are the monthly temperature and precipitation departures from the long-term average by month in Illinois for 2013. After a warmer-than-average January, temperatures have been below-average in February, March, and April. Monthly precipitation has been above-average in January, February, and April, but slightly below-average in March. This is a far cry from the first four […]
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The statewide average temperature in Illinois for January to November this year was 57.3 degrees, based on preliminary data. That is 3.1 degrees above normal and the second warmest on record back to 1895. Only 1921 was warmer with 57.6 degrees. This was in spite of a fall where the statewide average temperature was 52.7 […]
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