Category Archives: Climate Monitoring

Temperature Departures in Illinois During the 1982-83 and 1997-98 El Nino

The bar graph below summarizes the monthly temperature pattern for the past two strong El NiƱo events in Illinois – the 1982-83 event and 1997-98 event. The warmer than average winters stand out while the results for fall and spring … Continue reading

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Cool, Dry Week in Illinois

What a pleasant week in Illinois. Temperatures were about 8 degrees below average and very little rain fell over the last 7 days as of Friday morning, except for a few spots in southwestern Illinois (map below). The NWS forecast … Continue reading

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Corn and Soybean Conditions in Illinois Are Not as Good as Last Two Years

According to the USDA, corn and soybean conditions in Illinois are not as good as the last two years. The USDA NASS site has lots of interesting agricultural data, if you know where to look. One of the great reports … Continue reading

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Rainfall and Temperatures Across the Midwest in August

Here is a snapshot of conditions across the Midwest for August. The first map shows the actual precipitation, the second the departures from average, and the third shows the temperature departures from average. Overall, the region has been wet with … Continue reading

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Response to Damaging Rains in Illinois: Monthly Rainfall Totals for Over 500 Sites

Recently, Illinois officials have sought a federal disaster declaration from USDA in response to the heavy rainfall and damaging flooding across Illinois during May, June, and July of 2015. Update August 12: all but one county in Illinois is eligible … Continue reading

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Monthly Temperature and Precipitation Departures for Illinois in 2015

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 … Continue reading

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14-Day Rainfall Across Illinois and Midwest

Between 1 to 3 inches of rain (shades of green and yellow in the map below) has fallen over much of southern and central Illinois in the last 14 days through this morning. Meanwhile, areas generally to the north of … Continue reading

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