


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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400 CDUS43 KLOT 290634 CLIPWK CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 134 AM CDT FRI AUG 29 2025 ................................... ...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR AUGUST 28 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 77 11:29 AM 94 2020 81 -4 83 2021 MINIMUM 58 11:59 PM 54 2015 63 -5 71 AVERAGE 68 72 -4 77 PRECIPITATION (IN) YESTERDAY 0.10 1.93 2018 0.12 -0.02 0.10 MONTH TO DATE 3.26 3.31 -0.05 1.52 SINCE JUN 1 10.00 10.43 -0.43 11.79 SINCE JAN 1 17.77 21.95 -4.18 26.08 DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 3 0 3 2 SINCE JUN 1 24 40 -16 16 SINCE JUL 1 3 3 0 5 COOLING YESTERDAY 3 7 -4 12 MONTH TO DATE 271 244 27 251 SINCE JUN 1 903 735 168 803 SINCE JAN 1 924 795 129 840 ................................................................... WIND (MPH) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (50) HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (50) AVERAGE WIND SPEED 6.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 93 4:00 AM LOWEST 58 11:00 AM AVERAGE 76 .......................................................... THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 80 94 2010 MINIMUM TEMPERATURE (F) 62 55 2004 SUNRISE AND SUNSET AUGUST 29 2025........SUNRISE 6:14 AM CDT SUNSET 7:30 PM CDT AUGUST 30 2025........SUNRISE 6:15 AM CDT SUNSET 7:28 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$