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CDUS43 KLOT 210640
CLIPWK
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
140 AM CDT SUN SEP 21 2025
...............................
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 20 2025...
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)
YESTERDAY
MAXIMUM 79 11:04 AM 93 2017 74 5 89
2018
MINIMUM 66 6:00 AM 42 2006 55 11 64
AVERAGE 73 64 9 77
PRECIPITATION (IN)
YESTERDAY 0.15 0.75 2009 0.10 0.05 0.07
MONTH TO DATE 1.55 2.03 -0.48 0.07
SINCE SEP 1 1.55 2.03 -0.48 0.07
SINCE JAN 1 19.32 24.37 -5.05 26.46
DEGREE DAYS
HEATING
YESTERDAY 0 3 -3 0
MONTH TO DATE 34 33 1 16
SINCE SEP 1 34 33 1 16
SINCE JUL 1 42 40 2 21
COOLING
YESTERDAY 8 3 5 12
MONTH TO DATE 77 88 -11 103
SINCE SEP 1 77 88 -11 103
SINCE JAN 1 1001 902 99 972
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 3.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 5:00 AM
LOWEST 58 11:00 AM
AVERAGE 76
......................................................
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 93 2017
MINIMUM TEMPERATURE (F) 54 40 2006
SUNRISE AND SUNSET
SEPTEMBER 21 2025.....SUNRISE 6:38 AM CDT SUNSET 6:50 PM CDT
SEPTEMBER 22 2025.....SUNRISE 6:39 AM CDT SUNSET 6:48 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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