Climatological Report (Daily)
Issued by NWS

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042
CDUS43 KLOT 242133
CLIDPA

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
433 PM CDT SUN AUG 24 2025

...................................

...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 24 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1997 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         73   2:54 PM  97    2023  81     -8       89
  MINIMUM         54   4:22 AM  51    2005  61     -7       57
                                      2017
  AVERAGE         64                        71     -7       73

PRECIPITATION (IN)
  TODAY            0.00          0.68 2006   0.11  -0.11     0.00
  MONTH TO DATE    2.68                      2.97  -0.29     1.56
  SINCE JUN 1     12.29                     10.24   2.05    11.15
  SINCE JAN 1     20.35                     22.50  -2.15    23.79

DEGREE DAYS
 HEATING
  TODAY            1                         0      1        0
  MONTH TO DATE    1                         0      1        6
  SINCE JUN 1     19                        37    -18       22
  SINCE JUL 1      1                         4     -3        9

 COOLING
  TODAY            0                         6     -6        8
  MONTH TO DATE  238                       179     59      145
  SINCE JUN 1    870                       626    244      649
  SINCE JAN 1    903                       682    221      703
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED     9.1


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           5:00 AM
 LOWEST     46           3:00 PM
 AVERAGE    67

..........................................................


THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   81        95      2003
 MINIMUM TEMPERATURE (F)   61        46      2017


SUNRISE AND SUNSET
AUGUST 24 2025........SUNRISE   6:11 AM CDT   SUNSET   7:39 PM CDT
AUGUST 25 2025........SUNRISE   6:12 AM CDT   SUNSET   7:37 PM CDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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