766
CDUS43 KLOT 310636
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
136 AM CDT THU JUL 31 2025
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JULY 30 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 80 10:08 AM 98 1999 84 -4 88
MINIMUM 69 11:59 PM 49 1997 63 6 68
AVERAGE 75 74 1 78
PRECIPITATION (IN)
YESTERDAY 0.50 0.84 2000 0.13 0.37 0.00
MONTH TO DATE 6.96 3.50 3.46 4.42
SINCE JUN 1 9.61 7.15 2.46 9.45
SINCE JAN 1 17.67 19.41 -1.74 22.09
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 10 8 2 13
MONTH TO DATE 361 265 96 249
SINCE JUN 1 628 440 188 491
SINCE JAN 1 661 496 165 545
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (20)
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 11:00 AM
LOWEST 72 10:00 AM
AVERAGE 83
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 98 2006
MINIMUM TEMPERATURE (F) 63 50 1997
SUNRISE AND SUNSET
JULY 31 2025..........SUNRISE 5:46 AM CDT SUNSET 8:12 PM CDT
AUGUST 1 2025........SUNRISE 5:47 AM CDT SUNSET 8:11 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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