Climatological Report (Daily)
Issued by NWS
Issued by NWS
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944
CDUS43 KLOT 200643
CLIPWK
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
143 AM CDT WED AUG 20 2025
...................................
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR AUGUST 19 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 78 4:11 PM 89 2005 82 -4 76
MINIMUM 68 11:45 PM 56 1997 65 3 62
AVERAGE 73 73 0 69
PRECIPITATION (IN)
YESTERDAY 0.17 2.00 2007 0.12 0.05 0.00
MONTH TO DATE 3.16 2.22 0.94 0.82
SINCE JUN 1 9.90 9.34 0.56 11.09
SINCE JAN 1 17.67 20.86 -3.19 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 8 8 0 4
MONTH TO DATE 236 176 60 165
SINCE JUN 1 868 667 201 717
SINCE JAN 1 889 727 162 754
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 5.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 12:00 AM
LOWEST 71 2:00 PM
AVERAGE 84
..........................................................
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 93 2010
MINIMUM TEMPERATURE (F) 64 57 2012
2015
2024
SUNRISE AND SUNSET
AUGUST 20 2025........SUNRISE 6:05 AM CDT SUNSET 7:44 PM CDT
AUGUST 21 2025........SUNRISE 6:06 AM CDT SUNSET 7:43 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$