Climatological Report (Monthly)
Issued by NWS
Issued by NWS
056
CXUS53 KLOT 011510
CLMDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1010 AM CDT THU MAY 01 2025
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...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF APRIL 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1997 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 88 04/18/2002
LOW 16 04/07/2018
HIGHEST 84 04/28 82 04/14
LOWEST 23 04/08 26 04/06
AVG. MAXIMUM 61.4 59.6 1.8 61.7
AVG. MINIMUM 38.8 37.9 0.9 40.8
MEAN 50.1 48.8 1.3 51.2
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 8 8.2 -0.2 5
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 6.50 1999
MINIMUM 0.92 2021
TOTALS 2.00 3.44 -1.44 2.84
DAILY AVG. 0.07 0.11 -0.04 0.09
DAYS >= .01 12 11.6 0.4 13
DAYS >= .10 4 7.3 -3.3 8
DAYS >= .50 2 2.1 -0.1 0
DAYS >= 1.00 0 0.7 -0.7 0
GREATEST
24 HR. TOTAL 0.77 04/02 TO 04/02 0.87
DEGREE DAYS
HEATING TOTAL 442 492 -50 411
SINCE 7/1 5424 6118 -694 MM
COOLING TOTAL 6 4 2 8
SINCE 1/1 6 6 0 MM
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WIND (MPH)
AVERAGE WIND SPEED 10.6
HIGHEST WIND SPEED/DIRECTION 32/280 DATE 04/14
32/180 04/28
HIGHEST GUST SPEED/DIRECTION 44/240 DATE 04/29
AVERAGE RH (PERCENT) 62
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 4 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 5
LIGHT RAIN 16 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 1 SLEET 0
FOG 13 FOG W/VIS <= 1/4 MILE 0
HAZE 2
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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