Climatological Report (Daily)
Issued by NWS

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
780
CDUS43 KLOT 220633
CLIDPA

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT SAT AUG 22 2026

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

...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 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         MM        MM  94    2003  82     MM       80
  MINIMUM         MM        MM  49    2004  61     MM       62
  AVERAGE         MM                        72     MM       71

PRECIPITATION (IN)
  YESTERDAY       MM             1.38 2014   0.12  MM        0.00
  MONTH TO DATE    4.22                      2.63   1.59     2.68
  SINCE JUN 1     16.26                      9.90   6.36    12.29
  SINCE JAN 1     29.14                     22.16   6.98    20.35

DEGREE DAYS
 HEATING
  YESTERDAY       MM                         0     MM        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1     25                        37    -12       18
  SINCE JUL 1      1                         4     -3        0

 COOLING
  YESTERDAY       MM                         7     MM        6
  MONTH TO DATE  161                       161      0      225
  SINCE JUN 1    622                       608     14      857
  SINCE JAN 1    681                       664     17      890
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    MM   HIGHEST WIND DIRECTION    MM
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM
  AVERAGE WIND SPEED    MM


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    MM
 LOWEST     MM
 AVERAGE    MM

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


THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   82        90      2007
 MINIMUM TEMPERATURE (F)   61        48      2004
                                             2024


SUNRISE AND SUNSET
AUGUST 22 2026........SUNRISE   6:08 AM CDT   SUNSET   7:43 PM CDT
AUGUST 23 2026........SUNRISE   6:09 AM CDT   SUNSET   7:41 PM CDT


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




$$