868
CDUS43 KLOT 170633
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT SUN AUG 17 2025
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 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 95R 2:39 PM 90 1997 82 13 85
2003
MINIMUM 71 6:17 AM 49 2004 62 9 65
AVERAGE 83 72 11 75
PRECIPITATION (IN)
YESTERDAY 0.30 0.77 2009 0.13 0.17 0.44
MONTH TO DATE 0.59 2.03 -1.44 1.48
SINCE JUN 1 10.20 9.30 0.90 11.07
SINCE JAN 1 18.26 21.56 -3.30 23.71
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 18 7 11 10
MONTH TO DATE 176 126 50 114
SINCE JUN 1 808 573 235 618
SINCE JAN 1 841 629 212 672
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 6.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91 6:00 PM
LOWEST 48 2:00 PM
AVERAGE 70
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 87 2015
MINIMUM TEMPERATURE (F) 62 51 2013
SUNRISE AND SUNSET
AUGUST 17 2025........SUNRISE 6:03 AM CDT SUNSET 7:50 PM CDT
AUGUST 18 2025........SUNRISE 6:04 AM CDT SUNSET 7:48 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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