


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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494 CDUS43 KLOT 300643 CLIPWK CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 143 AM CDT SAT AUG 30 2025 ................................... ...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR AUGUST 29 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1996 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 70 11:34 AM 94 2010 80 -10 83 MINIMUM 53R 5:41 AM 55 2004 62 -9 71 AVERAGE 62 71 -9 77 PRECIPITATION (IN) YESTERDAY T 0.71 2015 0.13 -0.13 0.00 MONTH TO DATE 3.26 3.44 -0.18 1.52 SINCE JUN 1 10.00 10.56 -0.56 11.79 SINCE JAN 1 17.77 22.08 -4.31 26.08 DEGREE DAYS HEATING YESTERDAY 3 0 3 0 MONTH TO DATE 6 0 6 2 SINCE JUN 1 27 40 -13 16 SINCE JUL 1 6 3 3 5 COOLING YESTERDAY 0 7 -7 12 MONTH TO DATE 271 251 20 263 SINCE JUN 1 903 742 161 815 SINCE JAN 1 924 802 122 852 ................................................................... WIND (MPH) HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (50) HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION E (70) AVERAGE WIND SPEED 3.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 93 4:00 AM LOWEST 57 11:00 AM AVERAGE 75 .......................................................... THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 80 96 2013 MINIMUM TEMPERATURE (F) 62 49 2009 SUNRISE AND SUNSET AUGUST 30 2025........SUNRISE 6:15 AM CDT SUNSET 7:28 PM CDT AUGUST 31 2025........SUNRISE 6:16 AM CDT SUNSET 7:26 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$