


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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488 CDUS43 KLOT 040632 CLIPWK CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 132 AM CDT MON AUG 04 2025 ................................... ...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR AUGUST 3 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 80 12:53 PM 94 2005 83 -3 90 MINIMUM 59 4:54 AM 55 2000 66 -7 70 AVERAGE 70 75 -5 80 PRECIPITATION (IN) YESTERDAY 0.00 1.33 2004 0.10 -0.10 0.00 MONTH TO DATE 0.00 0.33 -0.33 0.15 SINCE JUN 1 6.74 7.45 -0.71 10.42 SINCE JAN 1 14.51 18.97 -4.46 24.71 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 5 10 -5 15 MONTH TO DATE 13 30 -17 42 SINCE JUN 1 645 521 124 594 SINCE JAN 1 666 581 85 631 ................................................................... WIND (MPH) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (60) HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NE (60) AVERAGE WIND SPEED 4.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 93 5:00 AM LOWEST 44 1:00 PM AVERAGE 69 .......................................................... THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 83 98 2018 MINIMUM TEMPERATURE (F) 66 55 2017 SUNRISE AND SUNSET AUGUST 4 2025........SUNRISE 5:48 AM CDT SUNSET 8:06 PM CDT AUGUST 5 2025........SUNRISE 5:49 AM CDT SUNSET 8:05 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$