882
CXUS53 KLOT 021923 CCA
CLMPWK
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1010 AM CDT THU MAY 01 2025
...............................
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF APRIL 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1996 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
............................................................
TEMPERATURE (F)
RECORD
HIGH 88 04/27/2021
04/18/2002
04/16/2002
LOW 20 04/07/2018
04/09/1997
HIGHEST 83 04/28 79 04/14
04/27
LOWEST 24 04/08 30 04/06
04/25
AVG. MAXIMUM 59.0 58.1 0.9 60.6
AVG. MINIMUM 39.5 39.3 0.2 41.9
MEAN 49.3 48.7 0.6 51.2
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 3 6.1 -3.1 3
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 9.11 1999
MINIMUM 0.44 2005
TOTALS 2.07 3.31 -1.24 2.88
DAILY AVG. 0.07 0.11 -0.04 0.10
DAYS >= .01 12 11.2 0.8 13
DAYS >= .10 5 6.9 -1.9 10
DAYS >= .50 1 1.9 -0.9 0
DAYS >= 1.00 0 0.8 -0.8 0
GREATEST
24 HR. TOTAL 0.90 04/02 TO 04/02 0.83
DEGREE DAYS
HEATING TOTAL 467 495 -28 408
SINCE 7/1 5364 5829 -465 MM
COOLING TOTAL 3 6 -3 4
SINCE 1/1 3 8 -5 MM
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WIND (MPH)
AVERAGE WIND SPEED 9.2
HIGHEST WIND SPEED/DIRECTION 31/200 DATE 04/28
HIGHEST GUST SPEED/DIRECTION 45/270 DATE 04/21
AVERAGE RH (PERCENT) 64
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 4 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 6
LIGHT RAIN 13 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 2 SLEET 0
FOG 7 FOG W/VIS <= 1/4 MILE 0
HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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