Climatological Report (Monthly)
Issued by NWS
Issued by NWS
484
CXUS53 KLOT 011611
CLMDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1111 AM CDT WED JUL 01 2026
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...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JUNE 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1997 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 99 06/28/2012
LOW 34 06/01/2003
HIGHEST 92 06/30 95 06/23
LOWEST 46 06/02 40 06/01
06/03
AVG. MAXIMUM 78.9 80.6 -1.7 84.3
AVG. MINIMUM 59.2 58.9 0.3 61.7
MEAN 69.1 69.7 -0.6 73.0
DAYS MAX >= 90 2 4.0 -2.0 11
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.0 0.0 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 8.01 2015
MINIMUM 0.50 2020
TOTALS 6.63 3.65 2.98 2.65
DAILY AVG. 0.22 0.12 0.10 0.09
DAYS >= .01 15 11.6 3.4 10
DAYS >= .10 10 7.1 2.9 10
DAYS >= .50 6 2.5 3.5 1
DAYS >= 1.00 2 0.7 1.3 0
GREATEST
24 HR. TOTAL 1.83 06/10 TO 06/11 0.79
DEGREE DAYS
HEATING TOTAL 24 33 -9 18
SINCE 7/1 5930 6360 -430 MM
COOLING TOTAL 154 175 -21 267
SINCE 1/1 213 231 -18 MM
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WIND (MPH)
AVERAGE WIND SPEED 9.1
HIGHEST WIND SPEED/DIRECTION 36/270 DATE 06/10
HIGHEST GUST SPEED/DIRECTION 49/160 DATE 06/17
AVERAGE RH (PERCENT) 72
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 6 MIXED PRECIP 0
HEAVY RAIN 8 RAIN 9
LIGHT RAIN 16 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 12 FOG W/VIS <= 1/4 MILE 2
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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