387
CDUS43 KLOT 190645
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
145 AM CDT SUN OCT 19 2025
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 18 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 73 2:17 PM 78 2007 62 11 69
MINIMUM 58 11:59 PM 27 2015 41 17 36
AVERAGE 66 51 15 53
PRECIPITATION (IN)
YESTERDAY 0.57R 0.28 2007 0.09 0.48 0.00
MONTH TO DATE 2.42 1.85 0.57 0.13
SINCE SEP 1 3.06 4.85 -1.79 1.55
SINCE JAN 1 23.59 28.22 -4.63 25.87
DEGREE DAYS
HEATING
YESTERDAY 0 14 -14 12
MONTH TO DATE 73 191 -118 148
SINCE SEP 1 120 291 -171 181
SINCE JUL 1 131 302 -171 190
COOLING
YESTERDAY 1 0 1 0
MONTH TO DATE 49 9 40 3
SINCE SEP 1 176 97 79 113
SINCE JAN 1 1084 821 263 911
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 8.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 6:00 AM
LOWEST 68 12:00 AM
AVERAGE 81
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 61 75 2000
MINIMUM TEMPERATURE (F) 41 28 1997
SUNRISE AND SUNSET
OCTOBER 19 2025.......SUNRISE 7:10 AM CDT SUNSET 6:05 PM CDT
OCTOBER 20 2025.......SUNRISE 7:11 AM CDT SUNSET 6:03 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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