Climatological Report (Daily)
Issued by NWS Chicago, IL

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838
CDUS43 KLOT 202233
CLILOT

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
433 PM CST THU NOV 20 2025

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

...THE ROMEOVILLE WFO CLIMATE SUMMARY FOR NOVEMBER 20 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         46     65    2003  47     -1       49
  MINIMUM         41     10    2022  30     11       31
  AVERAGE         44                 38      6       40

PRECIPITATION (IN)
  TODAY            T      0.37 2023   0.09  -0.09     0.05
  MONTH TO DATE    0.86               1.81  -0.95     3.05
  SINCE SEP 1      3.17               8.79  -5.62     6.41
  SINCE JAN 1     28.18              38.13  -9.95    39.75

SNOWFALL (IN)
  TODAY            0.0    2.8  1996   0.0    0.0      0.1
  MONTH TO DATE    1.7                0.4    1.3      0.1
  SINCE SEP 1      1.7                0.5    1.2      0.1
  SINCE JUL 1      1.7                0.5    1.2      0.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           21                 27     -6       25
  MONTH TO DATE  431                449    -18      289
  SINCE SEP 1    771                897   -126      548
  SINCE JUL 1    783                903   -120      552

 COOLING
  TODAY            0                  0      0        0
  MONTH TO DATE    0                  0      0        0
  SINCE SEP 1    174                122     52      171
  SINCE JAN 1   1077                947    130     1040
............................................................


THE ROMEOVILLE WFO CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   46        61      2010
 MINIMUM TEMPERATURE (F)   30         7      2014


SUNRISE AND SUNSET
NOVEMBER 20 2025......SUNRISE   6:48 AM CST   SUNSET   4:28 PM CST
NOVEMBER 21 2025......SUNRISE   6:49 AM CST   SUNSET   4:27 PM CST


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




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