Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 170647
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
147 AM CDT THU JUL 17 2025
...................................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JULY 16 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 91 1:14 PM 96 2012 84 7 84
MINIMUM 70 11:59 PM 51 2014 64 6 67
AVERAGE 81 74 7 76
PRECIPITATION (IN)
YESTERDAY 0.45 0.99 2019 0.12 0.33 0.00
MONTH TO DATE 4.30 1.81 2.49 4.11
SINCE JUN 1 6.95 5.46 1.49 9.14
SINCE JAN 1 15.01 17.72 -2.71 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 16 9 7 11
MONTH TO DATE 197 140 57 153
SINCE JUN 1 464 315 149 395
SINCE JAN 1 497 371 126 449
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 9.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 5:00 AM
LOWEST 56 1:00 PM
AVERAGE 75
..........................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 97 2012
MINIMUM TEMPERATURE (F) 64 52 2014
SUNRISE AND SUNSET
JULY 17 2025..........SUNRISE 5:33 AM CDT SUNSET 8:25 PM CDT
JULY 18 2025..........SUNRISE 5:34 AM CDT SUNSET 8:24 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$