925
CDUS43 KLOT 122135
CLIPWK
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CDT FRI SEP 12 2025
...............................
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 12 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1996 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 86 2:04 PM 90 2005 77 9 85
MINIMUM 59 6:10 AM 45 2007 58 1 57
2014
AVERAGE 73 67 6 71
PRECIPITATION (IN)
TODAY 0.00 1.16 2019 0.09 -0.09 0.00
MONTH TO DATE 0.11 1.26 -1.15 0.00
SINCE SEP 1 0.11 1.26 -1.15 0.00
SINCE JAN 1 17.88 23.60 -5.72 26.39
DEGREE DAYS
HEATING
TODAY 0 2 -2 0
MONTH TO DATE 34 13 21 16
SINCE SEP 1 34 13 21 16
SINCE JUL 1 42 20 22 21
COOLING
TODAY 8 4 4 6
MONTH TO DATE 21 61 -40 35
SINCE SEP 1 21 61 -40 35
SINCE JAN 1 945 875 70 904
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 3.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 12:00 AM
LOWEST 33 2:00 PM
AVERAGE 67
......................................................
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 94 2005
MINIMUM TEMPERATURE (F) 57 42 2014
SUNRISE AND SUNSET
SEPTEMBER 12 2025.....SUNRISE 6:29 AM CDT SUNSET 7:06 PM CDT
SEPTEMBER 13 2025.....SUNRISE 6:30 AM CDT SUNSET 7:04 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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