Climatological Report (Monthly)
Issued by NWS
Issued by NWS
025
CXUS53 KLOT 011710
CLMDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1210 PM CDT THU AUG 01 2024
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...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JULY 2024...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1997 TO 2024
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 100 07/07/2012
07/06/2012
07/24/2005
LOW 42 07/02/2001
HIGHEST 91 07/13 92 07/28
LOWEST 48 07/01 56 07/18
07/19
AVG. MAXIMUM 83.1 84.0 -0.9 83.6
AVG. MINIMUM 63.1 63.3 -0.2 63.0
MEAN 73.1 73.7 -0.6 73.3
DAYS MAX >= 90 2 5.6 -3.6 4
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 9.62 2023
MINIMUM 1.17 2018
TOTALS 4.56 3.62 0.94 9.62
DAILY AVG. 0.15 0.12 0.03 0.31
DAYS >= .01 12 10.2 1.8 12
DAYS >= .10 8 6.0 2.0 11
DAYS >= .50 5 2.5 2.5 7
DAYS >= 1.00 2 0.9 1.1 3
GREATEST
24 HR. TOTAL 1.17 07/13 TO 07/14 3.17
DEGREE DAYS
HEATING TOTAL 3 4 -1 0
SINCE 7/1 3 0 3 MM
COOLING TOTAL 262 272 -10 265
SINCE 1/1 558 503 55 MM
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WIND (MPH)
AVERAGE WIND SPEED 5.9
HIGHEST WIND SPEED/DIRECTION 45/260 DATE 07/14
HIGHEST GUST SPEED/DIRECTION 70/260 DATE 07/14
AVERAGE RH (PERCENT) 71
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 8 MIXED PRECIP 0
HEAVY RAIN 8 RAIN 7
LIGHT RAIN 15 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 19 FOG W/VIS <= 1/4 MILE 1
HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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