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 May 2026 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 May 2026 plotted relative to the normal and record high and low temperatures for each date. |
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CoCoRaHS Observer Seasonal Precipitation Summary
Chicago Daily Climate Data for Meteorological Spring 2026
Rockford Daily Climate Data for Meteorological Spring 2026
May 2026 Climate Summary for Chicago and Rockford
Public Information Statement National Weather Service Chicago IL 1144 AM CDT Mon Jun 1 2026 /1244 PM EDT Mon Jun 1 2026/ ...A Look Back at the Climate for the Month of May 2026 for Chicago and Rockford... At Chicago, the average high temperature was 70.5 degrees, which is normal. The average low temperature was 49.6 degrees, which is 1.0 degrees below normal. The mean average temperature for the month was 60.1 degrees, which is 0.5 degrees below normal. 1.17 inches of liquid precipitation were recorded, which is 3.32 inches below normal. No daily records were set for Chicago during this past May. The following top ten monthly records were set for Chicago this past May: ** 10th driest May on record with 1.17 inches of liquid precipitation. At Rockford, the average high temperature was 73.5 degrees, which is 2.3 degrees above normal. The average low temperature was 45.4 degrees, which is 4.1 degrees below normal. The average temperature for the month was 59.5 degrees, which is 0.9 degrees below normal. 0.52 inches of liquid precipitation were recorded, which is 3.66 inches below normal. The following daily records were set for Rockford this past May: * Record daily low temperature of 27 degrees on the 2nd. * Record daily low temperature of 27 degrees on the 7th. The following top ten monthly records were set for Rockford this past May: ** 2nd driest May on record with 0.52 inches of liquid precipitation. .................................................................. 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 Spring (Mar-May) 2026 Climate Summary for Chicago and Rockford
Public Information Statement National Weather Service Chicago IL 106 PM CDT Mon Jun 1 2026 /206 PM EDT Mon Jun 1 2026/ ...A Look Back at the Climate for Meteorological Spring (March, April, May) 2026 for Chicago and Rockford... At Chicago, the average high temperature was 63.1 degrees, which is 4.3 degrees above normal. The average low temperature was 42.0 degrees, which is 1.4 degrees above normal. The mean average temperature for the season was 52.6 degrees, which is 2.9 degrees above normal. 12.90 inches of liquid precipitation were recorded, which is 2.21 inches above normal. 1.8 inches of snow were recorded, which is 5.0 inches below normal. Daily and top ten monthly records established for Chicago this past spring... March: * Record daily high temperature of 73 degrees on the 9th. * Record daily liquid precipitation of 1.02 inches on the 10th. * Record daily liquid precipitation of 1.76 inches on the 15th. * Record daily high temperature of 81 degrees on the 30th. April: * Tied record daily warmest low temperature of 62 degrees on the 13th. * Record daily liquid precipitation of 2.43 inches on the 14th. ** 7th warmest April on record with an average temperature of 53.8 degrees. ** 7th wettest April on record with 7.19 inches of liquid precipitation. May: ** 10th driest May on record with 1.17 inches of liquid precipitation. The following top ten seasonal records were set for Chicago this past spring: ** 8th warmest spring on record with an average temperature of 52.6 degrees. At Rockford, the average high temperature was 64.2 degrees, which is 5.1 degrees above normal. The average low temperature was 39.4 degrees, which is 0.7 degrees above normal. The average temperature for the season was 51.8 degrees, which is 2.9 degrees above normal. 10.04 inches of liquid precipitation were recorded, which is 0.29 inches below normal. 6.8 inches of snow were recorded, which is 1.0 inch above normal. Daily and top ten monthly records established for Rockford this past spring... March: * Record daily liquid precipitation of 1.21 inches on the 6th. * Record daily high temperature of 73 degrees on the 9th. * Tied record daily high temperature of 82 degrees on the 30th. April: * Record daily warmest low temperature of 60 degrees on the 13th. ** 7th wettest April on record with 6.46 inches of liquid precipitation. May: * Record daily low temperature of 27 degrees on the 2nd. * Record daily low temperature of 27 degrees on the 7th. ** 2nd driest May on record with 0.52 inches of liquid precipitation. The following top ten seasonal records were set for Rockford this past spring: ** 9th warmest spring on record with an average temperature of 51.8 degrees. .................................................................. 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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