Climatological Report (Daily)
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CDUS43 KLOT 220641
CLIDPA

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
141 AM CDT WED JUL 22 2026

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

...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JULY 21 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1997 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         84   2:56 PM  97    2011  84      0       84
  MINIMUM         65  11:59 PM  52    2007  64      1       61
  AVERAGE         75                        74      1       73

PRECIPITATION (IN)
  YESTERDAY        0.02          1.83 2001   0.12  -0.10     0.00
  MONTH TO DATE    3.99                      2.40   1.59     4.64
  SINCE JUN 1     10.62                      6.05   4.57     7.29
  SINCE JAN 1     23.50                     18.31   5.19    15.35

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1     24                        33     -9       18
  SINCE JUL 1      0                         0      0        0

 COOLING
  YESTERDAY       10                         9      1        8
  MONTH TO DATE  246                       185     61      227
  SINCE JUN 1    400                       360     40      494
  SINCE JAN 1    459                       416     43      527
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED    12.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96          12:00 AM
 LOWEST     46           3:00 PM
 AVERAGE    71

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


THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   84        94      2001
 MINIMUM TEMPERATURE (F)   64        53      2000
                                             2007


SUNRISE AND SUNSET
JULY 22 2026..........SUNRISE   5:37 AM CDT   SUNSET   8:21 PM CDT
JULY 23 2026..........SUNRISE   5:38 AM CDT   SUNSET   8:20 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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