Climatological Report (Daily)
Issued by NWS Chicago, IL

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397
CDUS43 KLOT 210633
CLILOT

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT FRI AUG 21 2026

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

...THE ROMEOVILLE WFO CLIMATE SUMMARY FOR AUGUST 20 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1992 TO 2026


WEATHER ITEM   OBSERVED RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   VALUE       VALUE  FROM      YEAR
                                           NORMAL
............................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         80     91    2010  82     -2       76
                               2023
  MINIMUM         62     49    1992  63     -1       66
  AVERAGE         71                 73     -2       71

PRECIPITATION (IN)
  YESTERDAY        0.00   2.39 2022   0.13  -0.13     0.00
  MONTH TO DATE    6.87               2.82   4.05     5.86
  SINCE JUN 1     20.06              12.00   8.06    13.72
  SINCE JAN 1     35.05              27.80   7.25    24.64

SNOWFALL (IN)
  YESTERDAY        0.0   MM      MM   0.0    0.0      0.0
  MONTH TO DATE    0.0                0.0    0.0      0.0
  SINCE JUN 1      0.0                0.0    0.0      0.0
  SINCE JUL 1      0.0                0.0    0.0      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                  0      0        0
  MONTH TO DATE    0                  0      0        0
  SINCE JUN 1     12                 25    -13       17
  SINCE JUL 1      0                  2     -2        0

 COOLING
  YESTERDAY        6                  8     -2        6
  MONTH TO DATE  185                171     14      213
  SINCE JUN 1    701                671     30      836
  SINCE JAN 1    757                748      9      880
............................................................


THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   82        94      2003
 MINIMUM TEMPERATURE (F)   63        49      1992


SUNRISE AND SUNSET
AUGUST 21 2026........SUNRISE   6:07 AM CDT   SUNSET   7:43 PM CDT
AUGUST 22 2026........SUNRISE   6:08 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.




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