Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 220637
CLIPWK
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
137 AM CDT FRI AUG 22 2025
...................................
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR AUGUST 21 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 77 3:22 PM 96 2003 82 -5 74
MINIMUM 64 10:26 PM 53 2012 64 0 54
AVERAGE 71 73 -2 64
PRECIPITATION (IN)
YESTERDAY 0.00 1.27 2014 0.12 -0.12 0.00
MONTH TO DATE 3.16 2.46 0.70 0.82
SINCE JUN 1 9.90 9.58 0.32 11.09
SINCE JAN 1 17.67 21.10 -3.43 25.38
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 1
MONTH TO DATE 0 0 0 2
SINCE JUN 1 21 40 -19 16
SINCE JUL 1 0 3 -3 5
COOLING
YESTERDAY 6 8 -2 0
MONTH TO DATE 249 192 57 165
SINCE JUN 1 881 683 198 717
SINCE JAN 1 902 743 159 754
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 5.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 4:00 AM
LOWEST 62 2:00 PM
AVERAGE 78
..........................................................
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 90 1996
2007
2020
MINIMUM TEMPERATURE (F) 64 51 2004
SUNRISE AND SUNSET
AUGUST 22 2025........SUNRISE 6:07 AM CDT SUNSET 7:41 PM CDT
AUGUST 23 2025........SUNRISE 6:08 AM CDT SUNSET 7:39 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$