Climatological Report (Daily)
Issued by NWS
Issued by NWS
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655
CDUS43 KLOT 220641
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
141 AM CDT WED JUL 22 2026
...................................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JULY 21 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1997 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 84 2:56 PM 97 2011 84 0 84
MINIMUM 65 11:59 PM 52 2007 64 1 61
AVERAGE 75 74 1 73
PRECIPITATION (IN)
YESTERDAY 0.02 1.83 2001 0.12 -0.10 0.00
MONTH TO DATE 3.99 2.40 1.59 4.64
SINCE JUN 1 10.62 6.05 4.57 7.29
SINCE JAN 1 23.50 18.31 5.19 15.35
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 24 33 -9 18
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 10 9 1 8
MONTH TO DATE 246 185 61 227
SINCE JUN 1 400 360 40 494
SINCE JAN 1 459 416 43 527
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 12.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 12:00 AM
LOWEST 46 3:00 PM
AVERAGE 71
..........................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 94 2001
MINIMUM TEMPERATURE (F) 64 53 2000
2007
SUNRISE AND SUNSET
JULY 22 2026..........SUNRISE 5:37 AM CDT SUNSET 8:21 PM CDT
JULY 23 2026..........SUNRISE 5:38 AM CDT SUNSET 8:20 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$