


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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341 CDUS43 KLOT 230636 CLIPWK CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 136 AM CDT SAT AUG 23 2025 ................................... ...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR AUGUST 22 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 82 12:08 PM 90 1996 81 1 81 2007 2020 MINIMUM 63 5:15 AM 51 2004 64 -1 52 AVERAGE 73 73 0 67 PRECIPITATION (IN) YESTERDAY 0.00 1.34 2001 0.12 -0.12 0.00 MONTH TO DATE 3.16 2.58 0.58 0.82 SINCE JUN 1 9.90 9.70 0.20 11.09 SINCE JAN 1 17.67 21.22 -3.55 25.38 DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 2 SINCE JUN 1 21 40 -19 16 SINCE JUL 1 0 3 -3 5 COOLING YESTERDAY 8 8 0 2 MONTH TO DATE 257 200 57 167 SINCE JUN 1 889 691 198 719 SINCE JAN 1 910 751 159 756 ................................................................... WIND (MPH) HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SE (120) HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NW (300) AVERAGE WIND SPEED 1.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 93 3:00 AM LOWEST 53 1:00 PM AVERAGE 73 .......................................................... THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 81 99 2023 MINIMUM TEMPERATURE (F) 64 53 1997 SUNRISE AND SUNSET AUGUST 23 2025........SUNRISE 6:08 AM CDT SUNSET 7:39 PM CDT AUGUST 24 2025........SUNRISE 6:09 AM CDT SUNSET 7:38 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$