Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 040632
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT MON AUG 04 2025
...................................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 3 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 81 1:19 PM 95 2012 83 -2 91
MINIMUM 55 5:16 AM 54 2000 63 -8 69
AVERAGE 68 73 -5 80
PRECIPITATION (IN)
YESTERDAY 0.00 1.45 2010 0.14 -0.14 0.00
MONTH TO DATE 0.00 0.42 -0.42 0.08
SINCE JUN 1 9.61 7.69 1.92 9.67
SINCE JAN 1 17.67 19.95 -2.28 22.31
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 18 37 -19 16
SINCE JUL 1 0 4 -4 3
COOLING
YESTERDAY 3 8 -5 15
MONTH TO DATE 7 24 -17 41
SINCE JUN 1 639 471 168 545
SINCE JAN 1 672 527 145 599
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 5.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 4:00 AM
LOWEST 41 2:00 PM
AVERAGE 66
..........................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 95 2018
MINIMUM TEMPERATURE (F) 63 53 2000
SUNRISE AND SUNSET
AUGUST 4 2025........SUNRISE 5:50 AM CDT SUNSET 8:07 PM CDT
AUGUST 5 2025........SUNRISE 5:51 AM CDT SUNSET 8:06 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$