Climatological Report (Daily)
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916
CDUS43 KLOT 130635
CLIDPA

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
135 AM CDT WED AUG 13 2025

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

...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 12 2025...

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)
 YESTERDAY
  MAXIMUM         86   4:30 PM  94    2010  83      3       79
  MINIMUM         71   5:30 AM  48    2004  63      8       55
  AVERAGE         79                        72      7       67

PRECIPITATION (IN)
  YESTERDAY        0.17          0.70 2005   0.13   0.04     0.00
  MONTH TO DATE    0.29                      1.52  -1.23     0.74
  SINCE JUN 1      9.90                      8.79   1.11    10.33
  SINCE JAN 1     17.96                     21.05  -3.09    22.97

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        2
  SINCE JUN 1     18                        37    -19       18
  SINCE JUL 1      0                         4     -4        5

 COOLING
  YESTERDAY       14                         8      6        2
  MONTH TO DATE  124                        96     28       83
  SINCE JUN 1    756                       543    213      587
  SINCE JAN 1    789                       599    190      641
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED     5.8


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  HEAVY RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           4:00 AM
 LOWEST     59           4:00 PM
 AVERAGE    76

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


THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   82        91      2010
 MINIMUM TEMPERATURE (F)   63        50      2004


SUNRISE AND SUNSET
AUGUST 13 2025........SUNRISE   5:59 AM CDT   SUNSET   7:56 PM CDT
AUGUST 14 2025........SUNRISE   6:00 AM CDT   SUNSET   7:54 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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