


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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646 CDUS43 KLOT 072134 CLIDPA CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 434 PM CDT TUE OCT 07 2025 ................................... ...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 7 2025... VALID TODAY AS OF 0400 PM LOCAL TIME. 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) TODAY MAXIMUM 68 2:54 PM 88 2007 67 1 68 MINIMUM 57 7:43 AM 27 2001 45 12 42 AVERAGE 63 56 7 55 PRECIPITATION (IN) TODAY 1.70R 0.72 2008 0.10 1.60 0.00 MONTH TO DATE 1.79 0.73 1.06 0.12 SINCE SEP 1 2.43 3.73 -1.30 1.54 SINCE JAN 1 22.96 27.10 -4.14 25.86 DEGREE DAYS HEATING TODAY 2 10 -8 10 MONTH TO DATE 2 60 -58 36 SINCE SEP 1 49 160 -111 69 SINCE JUL 1 60 171 -111 78 COOLING TODAY 0 1 -1 0 MONTH TO DATE 47 7 40 3 SINCE SEP 1 174 95 79 113 SINCE JAN 1 1082 819 263 911 ................................................................... WIND (MPH) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (10) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION N (10) AVERAGE WIND SPEED 10.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. THUNDERSTORM HEAVY RAIN RAIN LIGHT RAIN FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 96 1:00 AM LOWEST 45 3:00 PM AVERAGE 71 .......................................................... THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 66 87 2007 MINIMUM TEMPERATURE (F) 45 27 2012 SUNRISE AND SUNSET OCTOBER 7 2025.......SUNRISE 6:57 AM CDT SUNSET 6:24 PM CDT OCTOBER 8 2025.......SUNRISE 6:58 AM CDT SUNSET 6:22 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$