


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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459 CDUS43 KLOT 110633 CLIPWK CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 133 AM CDT MON AUG 11 2025 ................................... ...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR AUGUST 10 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 90 11:17 AM 94 2021 83 7 75 MINIMUM 75 5:48 AM 56 2008 66 9 57 AVERAGE 83 74 9 66 PRECIPITATION (IN) YESTERDAY 0.16 0.57 2017 0.11 0.05 0.00 MONTH TO DATE 0.16 1.09 -0.93 0.50 SINCE JUN 1 6.90 8.21 -1.31 10.77 SINCE JAN 1 14.67 19.73 -5.06 25.06 DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE JUN 1 21 40 -19 14 SINCE JUL 1 0 3 -3 3 COOLING YESTERDAY 18 9 9 1 MONTH TO DATE 115 98 17 92 SINCE JUN 1 747 589 158 644 SINCE JAN 1 768 649 119 681 ................................................................... WIND (MPH) HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (250) HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 9.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 87 12:00 PM LOWEST 52 10:00 AM AVERAGE 70 .......................................................... THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 83 95 2002 MINIMUM TEMPERATURE (F) 66 54 2004 SUNRISE AND SUNSET AUGUST 11 2025........SUNRISE 5:55 AM CDT SUNSET 7:57 PM CDT AUGUST 12 2025........SUNRISE 5:56 AM CDT SUNSET 7:56 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$