Climatological Report (Daily)
Issued by NWS
Issued by NWS
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955
CDUS43 KLOT 180640
CLIPWK
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
140 AM CDT TUE AUG 18 2026
...................................
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR AUGUST 17 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1996 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 78 4:02 PM 89 2002 82 -4 82
2015
MINIMUM 66 11:37 PM 57 2012 65 1 72
2013
AVERAGE 72 74 -2 77
PRECIPITATION (IN)
YESTERDAY 0.00 0.97 2000 0.12 -0.12 0.20
MONTH TO DATE 3.40 1.97 1.43 1.61
SINCE JUN 1 11.83 9.09 2.74 8.35
SINCE JAN 1 25.76 20.61 5.15 16.12
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 27 40 -13 21
SINCE JUL 1 0 3 -3 0
COOLING
YESTERDAY 7 8 -1 12
MONTH TO DATE 153 160 -7 213
SINCE JUN 1 641 651 -10 845
SINCE JAN 1 696 711 -15 866
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 5.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 5:00 AM
LOWEST 55 6:00 PM
AVERAGE 74
..........................................................
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 88 2016
2025
MINIMUM TEMPERATURE (F) 65 53 2012
SUNRISE AND SUNSET
AUGUST 18 2026........SUNRISE 6:03 AM CDT SUNSET 7:48 PM CDT
AUGUST 19 2026........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.
$$