925
CDUS43 KLOT 170633
CLIPWK
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT WED SEP 17 2025
...............................
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 16 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 82 1:04 PM 89 2017 75 7 89
2024
MINIMUM 60 5:51 AM 43 2014 56 4 60
AVERAGE 71 66 5 75
PRECIPITATION (IN)
YESTERDAY 0.00 0.16 2010 0.10 -0.10 0.00
MONTH TO DATE 1.40 1.64 -0.24 0.00
SINCE SEP 1 1.40 1.64 -0.24 0.00
SINCE JAN 1 19.17 23.98 -4.81 26.39
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 34 21 13 16
SINCE SEP 1 34 21 13 16
SINCE JUL 1 42 28 14 21
COOLING
YESTERDAY 6 3 3 10
MONTH TO DATE 46 76 -30 71
SINCE SEP 1 46 76 -30 71
SINCE JAN 1 970 890 80 940
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 2.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 1:00 AM
LOWEST 43 5:00 PM
AVERAGE 70
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THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 92 2018
MINIMUM TEMPERATURE (F) 56 45 1999
2014
SUNRISE AND SUNSET
SEPTEMBER 17 2025.....SUNRISE 6:34 AM CDT SUNSET 6:57 PM CDT
SEPTEMBER 18 2025.....SUNRISE 6:35 AM CDT SUNSET 6:55 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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