256
CDUS43 KLOT 250633
CLIPWK
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT THU SEP 25 2025
...............................
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 24 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 73 12:57 PM 92 2017 72 1 67
MINIMUM 60 11:16 PM 34 2012 53 7 60
AVERAGE 67 63 4 64
PRECIPITATION (IN)
YESTERDAY T 0.23 2024 0.11 -0.11 0.23
MONTH TO DATE 1.70 2.45 -0.75 0.98
SINCE SEP 1 1.70 2.45 -0.75 0.98
SINCE JAN 1 19.47 24.79 -5.32 27.37
DEGREE DAYS
HEATING
YESTERDAY 0 4 -4 1
MONTH TO DATE 34 49 -15 20
SINCE SEP 1 34 49 -15 20
SINCE JUL 1 42 56 -14 25
COOLING
YESTERDAY 2 2 0 0
MONTH TO DATE 106 96 10 116
SINCE SEP 1 106 96 10 116
SINCE JAN 1 1030 910 120 985
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 7.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 6:00 AM
LOWEST 61 2:00 PM
AVERAGE 77
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THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 92 2017
MINIMUM TEMPERATURE (F) 53 40 2000
2001
SUNRISE AND SUNSET
SEPTEMBER 25 2025.....SUNRISE 6:42 AM CDT SUNSET 6:43 PM CDT
SEPTEMBER 26 2025.....SUNRISE 6:44 AM CDT SUNSET 6:41 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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