055
CDUS43 KLOT 170635
CLILOT
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1235 AM CST WED DEC 17 2025
...............................
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR DECEMBER 16 2025
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)
YESTERDAY
MAXIMUM 38 64 2021 37 1 53
MINIMUM 14 5 2009 22 -8 34
AVERAGE 26 29 -3 44
PRECIPITATION (IN)
YESTERDAY T 0.60 2023 0.06 -0.06 0.02
MONTH TO DATE 0.45 1.11 -0.66 0.55
SINCE DEC 1 0.45 1.11 -0.66 0.55
SINCE JAN 1 29.65 40.10 -10.45 40.37
SNOWFALL (IN)
YESTERDAY 0.0 3.1 2008 0.2 -0.2 0.0
MONTH TO DATE 4.5 3.2 1.3 0.1
SINCE DEC 1 4.5 3.2 1.3 0.1
SINCE JUL 1 15.1 4.5 10.6 2.3
SNOW DEPTH 2
DEGREE DAYS
HEATING
YESTERDAY 39 36 3 21
MONTH TO DATE 723 536 187 592
SINCE DEC 1 723 536 187 592
SINCE JUL 1 1800 1728 72 1454
COOLING
YESTERDAY 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 TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 36 56 2006
MINIMUM TEMPERATURE (F) 22 -4 2000
SUNRISE AND SUNSET
DECEMBER 17 2025......SUNRISE 7:14 AM CST SUNSET 4:24 PM CST
DECEMBER 18 2025......SUNRISE 7:14 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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