Climatological Report (Daily)
Issued by NWS
Issued by NWS
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619
CDUS43 KLOT 180637
CLIPWK
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
137 AM CDT MON AUG 18 2025
...................................
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR AUGUST 17 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 10:31 AM 89 2002 82 0 84
2015
MINIMUM 72 11:50 PM 57 2012 65 7 69
2013
AVERAGE 77 74 3 77
PRECIPITATION (IN)
YESTERDAY 0.20 0.97 2000 0.12 0.08 0.07
MONTH TO DATE 1.61 1.97 -0.36 0.82
SINCE JUN 1 8.35 9.09 -0.74 11.09
SINCE JAN 1 16.12 20.61 -4.49 25.38
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 21 40 -19 14
SINCE JUL 1 0 3 -3 3
COOLING
YESTERDAY 12 8 4 12
MONTH TO DATE 213 160 53 152
SINCE JUN 1 845 651 194 704
SINCE JAN 1 866 711 155 741
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 5.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1:00 AM
LOWEST 71 4:00 PM
AVERAGE 86
..........................................................
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 88 2016
MINIMUM TEMPERATURE (F) 65 53 2012
SUNRISE AND SUNSET
AUGUST 18 2025........SUNRISE 6:03 AM CDT SUNSET 7:47 PM CDT
AUGUST 19 2025........SUNRISE 6:04 AM CDT SUNSET 7:46 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$