576
CDUS43 KLOT 180635
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
135 AM CDT FRI JUL 18 2025
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JULY 17 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 74 11:14 AM 97 2012 84 -10 80
MINIMUM 58 11:59 PM 52 2014 64 -6 60
AVERAGE 66 74 -8 70
PRECIPITATION (IN)
YESTERDAY 0.00 0.90 2003 0.11 -0.11 0.00
MONTH TO DATE 4.30 1.92 2.38 4.11
SINCE JUN 1 6.95 5.57 1.38 9.14
SINCE JAN 1 15.01 17.83 -2.82 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 1 9 -8 5
MONTH TO DATE 198 149 49 158
SINCE JUN 1 465 324 141 400
SINCE JAN 1 498 380 118 454
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 8.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 2:00 AM
LOWEST 73 10:00 PM
AVERAGE 80
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 96 2012
MINIMUM TEMPERATURE (F) 64 55 2004
2017
2018
SUNRISE AND SUNSET
JULY 18 2025..........SUNRISE 5:34 AM CDT SUNSET 8:24 PM CDT
JULY 19 2025..........SUNRISE 5:35 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.
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