Climatological Report (Monthly)
Issued by NWS
Issued by NWS
121
CXUS53 KLOT 011554
CLMDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
954 AM CST SAT FEB 01 2025
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...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JANUARY 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 65 01/07/2008
LOW -29 01/31/2019
HIGHEST 50 01/30 40 01/30
LOWEST -9 01/21 -14 01/15
AVG. MAXIMUM 29.7 30.5 -0.8 29.2
AVG. MINIMUM 12.6 16.1 -3.5 19.6
MEAN 21.1 23.3 -2.2 24.4
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 20 17.0 3.0 10
DAYS MIN <= 32 31 28.7 2.3 22
DAYS MIN <= 0 5 4.0 1.0 7
PRECIPITATION (INCHES)
RECORD
MAXIMUM 3.00 2013
MINIMUM 0.18 2004
TOTALS 1.34 1.27 0.07 2.07
DAILY AVG. 0.04 0.04 -0.00 0.07
DAYS >= .01 6 8.2 -2.2 11
DAYS >= .10 2 3.1 -1.1 7
DAYS >= .50 1 0.6 0.4 1
DAYS >= 1.00 0 0.0 0.0 0
GREATEST
24 HR. TOTAL 1.25 01/30 TO 01/31 0.56
DEGREE DAYS
HEATING TOTAL 1352 1292 60 1251
SINCE 7/1 3221 3713 -492 MM
COOLING TOTAL 0 0 0 0
SINCE 1/1 0 0 0 MM
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WIND (MPH)
AVERAGE WIND SPEED 11.3
HIGHEST WIND SPEED/DIRECTION 31/230 DATE 01/28
31/020 01/31
HIGHEST GUST SPEED/DIRECTION 42/240 DATE 01/28
AVERAGE RH (PERCENT) 65
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 2
LIGHT RAIN 3 FREEZING RAIN 1
LT FREEZING RAIN 2 HAIL 0
HEAVY SNOW 0 SNOW 2
LIGHT SNOW 14 SLEET 0
FOG 12 FOG W/VIS <= 1/4 MILE 0
HAZE 4
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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