Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 122133
CLIPWK
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
433 PM CDT SAT SEP 12 2026
...................................
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 12 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 87 1:31 PM 90 2005 77 10 86
MINIMUM 61 3:06 AM 45 2007 58 3 59
2014
AVERAGE 74 67 7 73
PRECIPITATION (IN)
TODAY 0.00 1.16 2019 0.09 -0.09 0.00
MONTH TO DATE 0.26 1.26 -1.00 0.11
SINCE SEP 1 0.26 1.26 -1.00 0.11
SINCE JAN 1 26.82 23.60 3.22 17.88
DEGREE DAYS
HEATING
TODAY 0 2 -2 0
MONTH TO DATE 0 13 -13 34
SINCE SEP 1 0 13 -13 34
SINCE JUL 1 0 20 -20 42
COOLING
TODAY 9 4 5 8
MONTH TO DATE 127 61 66 21
SINCE SEP 1 127 61 66 21
SINCE JAN 1 919 875 44 945
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 4.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 3:00 AM
LOWEST 46 1:00 PM
AVERAGE 70
..........................................................
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 94 2005
MINIMUM TEMPERATURE (F) 57 42 2014
SUNRISE AND SUNSET
SEPTEMBER 12 2026.....SUNRISE 6:29 AM CDT SUNSET 7:06 PM CDT
SEPTEMBER 13 2026.....SUNRISE 6:30 AM CDT SUNSET 7:04 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$