Climatological Report (Daily)
Issued by NWS
Issued by NWS
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923
CDUS43 KLOT 170633
CLIPWK
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT THU SEP 17 2026
...................................
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 16 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 74 11:22 AM 89 2017 75 -1 82
2024
MINIMUM 64 6:42 AM 43 2014 56 8 60
AVERAGE 69 66 3 71
PRECIPITATION (IN)
YESTERDAY 0.05 0.16 2010 0.10 -0.05 0.00
MONTH TO DATE 0.56 1.64 -1.08 1.40
SINCE SEP 1 0.56 1.64 -1.08 1.40
SINCE JAN 1 27.12 23.98 3.14 19.17
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 6 21 -15 34
SINCE SEP 1 6 21 -15 34
SINCE JUL 1 6 28 -22 42
COOLING
YESTERDAY 4 3 1 6
MONTH TO DATE 141 76 65 46
SINCE SEP 1 141 76 65 46
SINCE JAN 1 933 890 43 970
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 6.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 4:00 PM
LOWEST 68 2:00 AM
AVERAGE 83
..........................................................
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 92 2018
MINIMUM TEMPERATURE (F) 56 45 1999
2014
SUNRISE AND SUNSET
SEPTEMBER 17 2026.....SUNRISE 6:34 AM CDT SUNSET 6:57 PM CDT
SEPTEMBER 18 2026.....SUNRISE 6:35 AM CDT SUNSET 6:56 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$