320
CDUS43 KLOT 190631
CLIPWK
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
131 AM CDT FRI SEP 19 2025
...............................
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 18 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 85 12:13 PM 89 2007 75 10 86
MINIMUM 59 4:14 AM 42 2012 55 4 56
AVERAGE 72 65 7 71
PRECIPITATION (IN)
YESTERDAY 0.00 1.64 2015 0.10 -0.10 0.00
MONTH TO DATE 1.40 1.83 -0.43 0.00
SINCE SEP 1 1.40 1.83 -0.43 0.00
SINCE JAN 1 19.17 24.17 -5.00 26.39
DEGREE DAYS
HEATING
YESTERDAY 0 3 -3 0
MONTH TO DATE 34 27 7 16
SINCE SEP 1 34 27 7 16
SINCE JUL 1 42 34 8 21
COOLING
YESTERDAY 7 3 4 6
MONTH TO DATE 59 82 -23 82
SINCE SEP 1 59 82 -23 82
SINCE JAN 1 983 896 87 951
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 2.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1:00 AM
LOWEST 40 12:00 PM
AVERAGE 67
......................................................
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 89 2024
MINIMUM TEMPERATURE (F) 55 38 2012
SUNRISE AND SUNSET
SEPTEMBER 19 2025.....SUNRISE 6:36 AM CDT SUNSET 6:54 PM CDT
SEPTEMBER 20 2025.....SUNRISE 6:37 AM CDT SUNSET 6:52 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page