470
CDUS43 KLOT 210650
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
150 AM CDT MON JUL 21 2025
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JULY 20 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 77 1:02 PM 97 2011 84 -7 80
MINIMUM 63 11:43 PM 54 2009 64 -1 60
AVERAGE 70 74 -4 70
PRECIPITATION (IN)
YESTERDAY 0.10 1.21 2005 0.13 -0.03 0.00
MONTH TO DATE 4.64 2.28 2.36 4.11
SINCE JUN 1 7.29 5.93 1.36 9.14
SINCE JAN 1 15.35 18.19 -2.84 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 5 9 -4 5
MONTH TO DATE 219 176 43 169
SINCE JUN 1 486 351 135 411
SINCE JAN 1 519 407 112 465
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 6.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91 2:00 AM
LOWEST 60 6:00 PM
AVERAGE 76
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 97 2011
MINIMUM TEMPERATURE (F) 64 52 2007
SUNRISE AND SUNSET
JULY 21 2025..........SUNRISE 5:36 AM CDT SUNSET 8:22 PM CDT
JULY 22 2025..........SUNRISE 5:37 AM CDT SUNSET 8:21 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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