Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 212141
CLIPWK
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
441 PM CDT MON JUL 21 2025
...................................
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR JULY 21 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 80 1:45 PM 100 2011 84 -4 84
MINIMUM 63 3:34 AM 56 1996 66 -3 64
2007
AVERAGE 72 75 -3 74
PRECIPITATION (IN)
TODAY 0.00 2.24 2019 0.10 -0.10 0.00
MONTH TO DATE 2.83 2.15 0.68 4.87
SINCE JUN 1 6.13 6.12 0.01 9.45
SINCE JAN 1 13.90 17.64 -3.74 23.74
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 3
SINCE JUN 1 21 37 -16 14
SINCE JUL 1 0 0 0 3
COOLING
TODAY 7 10 -3 9
MONTH TO DATE 224 206 18 200
SINCE JUN 1 488 387 101 457
SINCE JAN 1 509 447 62 494
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 6.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 3:00 AM
LOWEST 58 1:00 PM
AVERAGE 76
..........................................................
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 93 2001
MINIMUM TEMPERATURE (F) 66 54 1996
SUNRISE AND SUNSET
JULY 21 2025..........SUNRISE 5:35 AM CDT SUNSET 8:21 PM CDT
JULY 22 2025..........SUNRISE 5:35 AM CDT SUNSET 8:20 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$