


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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214 CDUS43 KLOT 030643 CLIDPA CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 143 AM CDT WED SEP 03 2025 ................................... ...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 2 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1997 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 80 2:31 PM 95 2008 80 0 76 MINIMUM 52 3:11 AM 43 2017 59 -7 52 AVERAGE 66 69 -3 64 PRECIPITATION (IN) YESTERDAY 0.00 1.14 2010 0.10 -0.10 0.00 MONTH TO DATE 0.00 0.20 -0.20 0.00 SINCE SEP 1 0.00 0.20 -0.20 0.00 SINCE JAN 1 20.53 23.57 -3.04 24.32 DEGREE DAYS HEATING YESTERDAY 0 1 -1 1 MONTH TO DATE 0 2 -2 1 SINCE SEP 1 0 2 -2 1 SINCE JUL 1 11 13 -2 10 COOLING YESTERDAY 1 5 -4 0 MONTH TO DATE 2 10 -8 2 SINCE SEP 1 2 10 -8 2 SINCE JAN 1 910 734 176 800 ................................................................... WIND (MPH) HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (300) AVERAGE WIND SPEED 3.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 93 6:00 AM LOWEST 37 3:00 PM AVERAGE 65 .......................................................... THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 79 91 2023 MINIMUM TEMPERATURE (F) 58 49 2024 SUNRISE AND SUNSET SEPTEMBER 3 2025.....SUNRISE 6:21 AM CDT SUNSET 7:23 PM CDT SEPTEMBER 4 2025.....SUNRISE 6:22 AM CDT SUNSET 7:21 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$