Overview
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CoCoRaHS Observer Monthly Precipitation Summary
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| Daily high and low temperatures observed at Chicago-O'Hare Airport in August 2025 plotted relative to the normal and record high and low temperatures for each date. |
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| Daily high and low temperatures observed at Rockford Airport in August 2025 plotted relative to the normal and record high and low temperatures for each date. |
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CoCoRaHS Observer Seasonal Precipitation Summary
August 2025 Climate Summary for Chicago and Rockford
Public Information Statement National Weather Service Chicago IL 1004 AM CDT Mon Sep 1 2025 /1104 AM EDT Mon Sep 1 2025/ ...A Look Back at the Climate for the Month of August 2025 for Chicago and Rockford... At Chicago, the average high temperature was 81.6 degrees, which is 0.9 degrees below normal. The average low temperature was 65.0 degrees, which is 0.1 degrees below normal. The mean average temperature for the month was 73.3 degrees, which is 0.5 degrees below normal. 5.03 inches of liquid precipitation was recorded, which is 0.78 inches above normal. No daily or top ten monthly records were set for Chicago during this past August. At Rockford, the average high temperature was 80.7 degrees, which is 1.3 degrees below normal. The average low temperature was 60.5 degrees, which is 1.3 degrees below normal. The average temperature for the month was 70.6 degrees, which is 1.3 degrees below normal. 3.30 inches of liquid precipitation was recorded, which is 0.89 inches below normal. No daily or top ten monthly records were set for Rockford during this past August. .................................................................. Chicago's climatic period of record dates back to: 1871 for precipitation 1872 for temperatures 1884 for snowfall Rockford's climatic period of record dates back to: 1905 for temperatures, precipitation, and snowfall $$
Latest Monthly Climate Report: Chicago (O'Hare) | Rockford
Meteorological Summer (Jun-Aug) 2025 Climate Summary for Chicago and Rockford
Public Information Statement National Weather Service Chicago IL 112 PM CDT Mon Sep 1 2025 /212 PM EDT Mon Sep 1 2025/ ...A Look Back at the Climate for Meteorological Summer (June, July, August) 2025 for Chicago and Rockford... At Chicago, the average high temperature was 83.9 degrees, which is 1.4 degrees above normal. The average low temperature was 66.1 degrees, which is 2.0 degrees above normal. The mean average temperature for the season was 75.0 degrees, which is 1.7 degrees above normal. 12.95 inches of liquid precipitation were recorded, which is 0.89 inches above normal. Daily and top ten monthly records established for Chicago this past summer... June: * Record daily liquid precipitation of 1.86 inches on the 18th. * Record daily warmest low temperature of 78 degrees on the 21st. * Record daily warmest low temperature of 80 degrees on the 22nd. * Tied record daily warmest low temperature of 79 degrees on the 23rd. * Tied record daily warmest low temperature of 77 degrees on the 26th. **Tied for 6th warmest June on record with an average temperature of 74.2 degrees. July: None August: None No top ten seasonal records were set for Chicago during this past summer. At Rockford, the average high temperature was 83.7 degrees, which is 1.5 degrees above normal. The average low temperature was 62.9 degrees, which is 1.2 degrees above normal. The average temperature for the season was 73.3 degrees, which is 1.4 degrees above normal. 13.17 inches of liquid precipitation were recorded, which is 0.06 inches below normal. Daily and top ten monthly records established for Rockford this past summer... June: * Record daily warmest low temperature of 74 degrees on the 21st. * Record daily warmest low temperature of 77 degrees on the 22nd. This also tied Rockford's record warmest low temperature for the month of June. July: * Tied record daily warmest low temperature of 74 degrees on the 24th. August: None No top ten seasonal records were set for Rockford during this past summer. .................................................................. Chicago's climatic period of record dates back to: 1871 for precipitation 1872 for temperatures 1884 for snowfall Rockford's climatic period of record dates back to: 1905 for temperatures, precipitation, and snowfall $$
Latest Seasonal Climate Report: Chicago (O'Hare) | Rockford
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