630
CDUS43 KLOT 252135
CLIPWK
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CDT THU SEP 25 2025
...............................
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 25 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 77 12:58 PM 92 2017 72 5 77
MINIMUM 59 5:27 AM 40 2000 53 6 56
2001
AVERAGE 68 62 6 67
PRECIPITATION (IN)
TODAY 0.00 0.82 2007 0.10 -0.10 0.00
MONTH TO DATE 1.70 2.55 -0.85 0.98
SINCE SEP 1 1.70 2.55 -0.85 0.98
SINCE JAN 1 19.47 24.89 -5.42 27.37
DEGREE DAYS
HEATING
TODAY 0 5 -5 0
MONTH TO DATE 34 54 -20 20
SINCE SEP 1 34 54 -20 20
SINCE JUL 1 42 61 -19 25
COOLING
TODAY 3 2 1 2
MONTH TO DATE 109 98 11 118
SINCE SEP 1 109 98 11 118
SINCE JAN 1 1033 912 121 987
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 6.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 2:00 AM
LOWEST 48 1:00 PM
AVERAGE 69
......................................................
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 93 2017
MINIMUM TEMPERATURE (F) 52 37 2000
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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