180
CDUS43 KLOT 280637
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
137 AM CDT MON JUL 28 2025
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JULY 27 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 2:29 PM 91 1997 84 6 84
2011
2023
MINIMUM 72 4:58 AM 53 2013 64 8 57
AVERAGE 81 74 7 71
PRECIPITATION (IN)
YESTERDAY 1.53R 0.70 2011 0.12 1.41 0.00
MONTH TO DATE 6.38 3.14 3.24 4.19
SINCE JUN 1 9.03 6.79 2.24 9.22
SINCE JAN 1 17.09 19.05 -1.96 21.86
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 16 9 7 6
MONTH TO DATE 318 239 79 213
SINCE JUN 1 585 414 171 455
SINCE JAN 1 618 470 148 509
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 2.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 9:00 PM
LOWEST 65 12:00 PM
AVERAGE 80
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 92 2023
MINIMUM TEMPERATURE (F) 63 53 2013
SUNRISE AND SUNSET
JULY 28 2025..........SUNRISE 5:43 AM CDT SUNSET 8:15 PM CDT
JULY 29 2025..........SUNRISE 5:44 AM CDT SUNSET 8:14 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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