Climatological Report (Daily)
Issued by NWS Chicago, IL

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520
CDUS43 KLOT 192137
CLILOT

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
437 PM CDT TUE AUG 19 2025

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

...THE ROMEOVILLE WFO CLIMATE SUMMARY FOR AUGUST 19 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1992 TO 2025


WEATHER ITEM   OBSERVED RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   VALUE       VALUE  FROM      YEAR
                                           NORMAL
............................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         80     91    1995  83     -3       77
  MINIMUM         70     51    1992  63      7       61
  AVERAGE         75                 73      2       69

PRECIPITATION (IN)
  TODAY            0.13   0.84 2007   0.14  -0.01     0.00
  MONTH TO DATE    5.86               2.69   3.17     2.31
  SINCE JUN 1     13.72              11.87   1.85    11.30
  SINCE JAN 1     24.64              27.67  -3.03    32.26

SNOWFALL (IN)
  TODAY            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
  TODAY            0                  0      0        0
  MONTH TO DATE    0                  0      0        2
  SINCE JUN 1     17                 25     -8       10
  SINCE JUL 1      0                  2     -2        2

 COOLING
  TODAY           10                  8      2        4
  MONTH TO DATE  208                163     45      149
  SINCE JUN 1    831                663    168      688
  SINCE JAN 1    875                740    135      759
............................................................


THE ROMEOVILLE WFO CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   82        91      2010
                                             2023
 MINIMUM TEMPERATURE (F)   63        49      1992


SUNRISE AND SUNSET
AUGUST 19 2025........SUNRISE   6:05 AM CDT   SUNSET   7:46 PM CDT
AUGUST 20 2025........SUNRISE   6:06 AM CDT   SUNSET   7:44 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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