Climatological Report (Daily)
Issued by NWS
Issued by NWS
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139
CDUS43 KLOT 170647
CLIPWK
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
147 AM CDT SAT MAY 17 2025
...................................
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR MAY 16 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 87R 4:00 PM 87 2001 70 17 75
2017
2025
MINIMUM 57 MM 33 1997 50 7 50
AVERAGE 72 60 12 63
PRECIPITATION (IN)
YESTERDAY T 1.00 2002 0.12 -0.12 0.15
MONTH TO DATE 0.61 2.04 -1.43 2.15
SINCE MAR 1 4.78 7.19 -2.41 8.88
SINCE JAN 1 6.51 9.80 -3.29 12.21
DEGREE DAYS
HEATING
YESTERDAY 0 7 -7 2
MONTH TO DATE 126 143 -17 73
SINCE MAR 1 1261 1463 -202 1169
SINCE JUL 1 5490 5972 -482 5014
COOLING
YESTERDAY 7 2 5 0
MONTH TO DATE 18 14 4 4
SINCE MAR 1 21 22 -1 8
SINCE JAN 1 21 22 -1 8
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 50 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 14.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 75 3:00 AM
LOWEST 20 5:00 PM
AVERAGE 48
..........................................................
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 87 1998
MINIMUM TEMPERATURE (F) 50 36 2002
SUNRISE AND SUNSET
MAY 17 2025...........SUNRISE 5:29 AM CDT SUNSET 8:08 PM CDT
MAY 18 2025...........SUNRISE 5:28 AM CDT SUNSET 8:09 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$