Climatological Report (Daily)
Issued by NWS
Issued by NWS
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905
CDUS43 KLOT 302135
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CDT THU JUL 30 2026
...................................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JULY 30 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 84 2:59 PM 98 1999 84 0 80
MINIMUM 57 3:20 AM 49 1997 63 -6 69
AVERAGE 71 74 -3 75
PRECIPITATION (IN)
TODAY 0.00 0.84 2000 0.13 -0.13 0.50
MONTH TO DATE 5.33 3.50 1.83 6.96
SINCE JUN 1 11.96 7.15 4.81 9.61
SINCE JAN 1 24.84 19.41 5.43 17.67
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 1 0 1 0
SINCE JUN 1 25 33 -8 18
SINCE JUL 1 1 0 1 0
COOLING
TODAY 6 8 -2 10
MONTH TO DATE 300 265 35 361
SINCE JUN 1 454 440 14 628
SINCE JAN 1 513 496 17 661
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 2.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 2:00 AM
LOWEST 41 1:00 PM
AVERAGE 66
..........................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 98 2006
MINIMUM TEMPERATURE (F) 63 50 1997
SUNRISE AND SUNSET
JULY 30 2026..........SUNRISE 5:45 AM CDT SUNSET 8:13 PM CDT
JULY 31 2026..........SUNRISE 5:46 AM CDT SUNSET 8:12 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$