647
CDUS43 KLOT 100636
CLIPWK
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
136 AM CDT WED SEP 10 2025
...............................
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 9 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 77 2:06 PM 95 2013 78 -1 82
MINIMUM 48 5:37 AM 47 2008 59 -11 58
AVERAGE 63 68 -5 70
PRECIPITATION (IN)
YESTERDAY 0.00 0.28 2001 0.10 -0.10 0.00
MONTH TO DATE 0.11 0.98 -0.87 0.00
SINCE SEP 1 0.11 0.98 -0.87 0.00
SINCE JAN 1 17.88 23.32 -5.44 26.39
DEGREE DAYS
HEATING
YESTERDAY 2 1 1 0
MONTH TO DATE 34 8 26 16
SINCE SEP 1 34 8 26 16
SINCE JUL 1 42 15 27 21
COOLING
YESTERDAY 0 5 -5 5
MONTH TO DATE 5 49 -44 20
SINCE SEP 1 5 49 -44 20
SINCE JAN 1 929 863 66 889
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 3.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 4:00 AM
LOWEST 31 1:00 PM
AVERAGE 57
......................................................
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 96 2013
MINIMUM TEMPERATURE (F) 59 45 1999
2008
SUNRISE AND SUNSET
SEPTEMBER 10 2025.....SUNRISE 6:27 AM CDT SUNSET 7:09 PM CDT
SEPTEMBER 11 2025.....SUNRISE 6:28 AM CDT SUNSET 7:08 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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