022
CDUS43 KLOT 180640
CLILOT
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
140 AM CDT THU SEP 18 2025
...............................
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR SEPTEMBER 17 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 84 91 2018 76 8 85
MINIMUM 58 44 1999 55 3 59
2014
AVERAGE 71 66 5 72
PRECIPITATION (IN)
YESTERDAY 0.00 1.02 2023 0.10 -0.10 0.00
MONTH TO DATE 0.43 1.92 -1.49 0.00
SINCE SEP 1 0.43 1.92 -1.49 0.00
SINCE JAN 1 25.44 31.26 -5.82 33.34
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 SEP 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 3 -3 0
MONTH TO DATE 49 25 24 17
SINCE SEP 1 49 25 24 17
SINCE JUL 1 61 31 30 21
COOLING
YESTERDAY 6 3 3 7
MONTH TO DATE 57 78 -21 90
SINCE SEP 1 57 78 -21 90
SINCE JAN 1 960 903 57 959
........................................................
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 88 2000
2007
MINIMUM TEMPERATURE (F) 55 43 1995
SUNRISE AND SUNSET
SEPTEMBER 18 2025.....SUNRISE 6:36 AM CDT SUNSET 6:56 PM CDT
SEPTEMBER 19 2025.....SUNRISE 6:37 AM CDT SUNSET 6:54 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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