502
CDUS43 KLOT 110641
CLIPWK
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
141 AM CDT THU SEP 11 2025
...............................
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 10 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 12:27 PM 96 2013 77 5 82
MINIMUM 57 6:12 AM 45 1999 59 -2 53
2008
AVERAGE 70 68 2 68
PRECIPITATION (IN)
YESTERDAY 0.00 0.65 2014 0.09 -0.09 0.00
MONTH TO DATE 0.11 1.07 -0.96 0.00
SINCE SEP 1 0.11 1.07 -0.96 0.00
SINCE JAN 1 17.88 23.41 -5.53 26.39
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 34 9 25 16
SINCE SEP 1 34 9 25 16
SINCE JUL 1 42 16 26 21
COOLING
YESTERDAY 5 4 1 3
MONTH TO DATE 10 53 -43 23
SINCE SEP 1 10 53 -43 23
SINCE JAN 1 934 867 67 892
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 3.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 4:00 AM
LOWEST 34 1:00 PM
AVERAGE 62
......................................................
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 92 2013
MINIMUM TEMPERATURE (F) 58 45 1999
SUNRISE AND SUNSET
SEPTEMBER 11 2025.....SUNRISE 6:28 AM CDT SUNSET 7:08 PM CDT
SEPTEMBER 12 2025.....SUNRISE 6:29 AM CDT SUNSET 7:06 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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