


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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508 CDUS43 KLOT 160631 CLIDPA CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 131 AM CDT WED JUL 16 2025 ................................... ...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JULY 15 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 90 4:44 PM 94 2006 84 6 89 MINIMUM 65 4:49 AM 53 2014 64 1 66 AVERAGE 78 74 4 78 PRECIPITATION (IN) YESTERDAY 0.00 1.40 2021 0.12 -0.12 0.69 MONTH TO DATE 3.85 1.69 2.16 4.11 SINCE JUN 1 6.50 5.34 1.16 9.14 SINCE JAN 1 14.56 17.60 -3.04 21.78 DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 3 SINCE JUN 1 18 33 -15 16 SINCE JUL 1 0 0 0 3 COOLING YESTERDAY 13 9 4 13 MONTH TO DATE 181 131 50 142 SINCE JUN 1 448 306 142 384 SINCE JAN 1 481 362 119 438 ................................................................... WIND (MPH) HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (180) HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION E (110) AVERAGE WIND SPEED 4.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 90 3:00 AM LOWEST 50 2:00 PM AVERAGE 70 .......................................................... THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 84 96 2012 MINIMUM TEMPERATURE (F) 64 51 2014 SUNRISE AND SUNSET JULY 16 2025..........SUNRISE 5:32 AM CDT SUNSET 8:26 PM CDT JULY 17 2025..........SUNRISE 5:33 AM CDT SUNSET 8:25 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$