Climatological Report (Daily)
Issued by NWS
Issued by NWS
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905
CDUS43 KLOT 232135
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CDT SAT AUG 23 2025
...................................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 23 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 83 12:55 PM 95 2023 81 2 80
MINIMUM 65 12:00 AM 51 1997 61 4 53
2005
AVERAGE 74 71 3 67
PRECIPITATION (IN)
TODAY T 1.97 2007 0.12 -0.12 0.00
MONTH TO DATE 2.68 2.86 -0.18 1.56
SINCE JUN 1 12.29 10.13 2.16 11.15
SINCE JAN 1 20.35 22.39 -2.04 23.79
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 6
SINCE JUN 1 18 37 -19 22
SINCE JUL 1 0 4 -4 9
COOLING
TODAY 9 6 3 2
MONTH TO DATE 240 173 67 137
SINCE JUN 1 872 620 252 641
SINCE JAN 1 905 676 229 695
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 9.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 5:00 AM
LOWEST 47 2:00 PM
AVERAGE 67
..........................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 97 2023
MINIMUM TEMPERATURE (F) 61 51 2005
2017
SUNRISE AND SUNSET
AUGUST 23 2025........SUNRISE 6:10 AM CDT SUNSET 7:41 PM CDT
AUGUST 24 2025........SUNRISE 6:11 AM CDT SUNSET 7:39 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$