Climatological Report (Daily)
Issued by NWS
Issued by NWS
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596
CDUS43 KLOT 190635
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
135 AM CDT TUE AUG 19 2025
...................................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 18 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 88R 3:02 PM 86 2006 82 6 79
2016
MINIMUM 71 4:22 PM 48 2012 62 9 64
AVERAGE 80 72 8 72
PRECIPITATION (IN)
YESTERDAY 1.42R 0.71 2006 0.12 1.30 T
MONTH TO DATE 2.60 2.28 0.32 1.56
SINCE JUN 1 12.21 9.55 2.66 11.15
SINCE JAN 1 20.27 21.81 -1.54 23.79
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 2
SINCE JUN 1 18 37 -19 18
SINCE JUL 1 0 4 -4 5
COOLING
YESTERDAY 15 7 8 7
MONTH TO DATE 204 140 64 131
SINCE JUN 1 836 587 249 635
SINCE JAN 1 869 643 226 689
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 9.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 10:00 PM
LOWEST 70 12:00 PM
AVERAGE 84
..........................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 89 2021
MINIMUM TEMPERATURE (F) 62 51 1997
SUNRISE AND SUNSET
AUGUST 19 2025........SUNRISE 6:06 AM CDT SUNSET 7:47 PM CDT
AUGUST 20 2025........SUNRISE 6:07 AM CDT SUNSET 7:45 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$