719
CDUS43 KLOT 182235
CLILOT
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CST THU DEC 18 2025
...............................
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR DECEMBER 18 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 50 55 2002 36 14 35
MINIMUM 37 -12 2016 21 16 25
AVERAGE 44 29 15 30
PRECIPITATION (IN)
TODAY 0.29 1.02 2002 0.07 0.22 0.00
MONTH TO DATE 0.74 1.24 -0.50 0.55
SINCE DEC 1 0.74 1.24 -0.50 0.55
SINCE JAN 1 29.94 40.23 -10.29 40.37
SNOWFALL (IN)
TODAY 0.0 5.0 2000 0.2 -0.2 0.0
MONTH TO DATE 4.5 3.7 0.8 0.1
SINCE DEC 1 4.5 3.7 0.8 0.1
SINCE JUL 1 15.1 5.0 10.1 2.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 21 36 -15 35
MONTH TO DATE 774 608 166 660
SINCE DEC 1 774 608 166 660
SINCE JUL 1 1851 1800 51 1522
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1077 947 130 1040
........................................................
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 36 55 2002
MINIMUM TEMPERATURE (F) 21 -12 2016
SUNRISE AND SUNSET
DECEMBER 18 2025......SUNRISE 7:14 AM CST SUNSET 4:24 PM CST
DECEMBER 19 2025......SUNRISE 7:15 AM CST SUNSET 4:24 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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