846
CDUS43 KLOT 150633
CLILOT
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT MON SEP 15 2025
...............................
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR SEPTEMBER 14 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 85 90 1994 77 8 90
2024
MINIMUM 63 41 2014 56 7 64
AVERAGE 74 67 7 77
PRECIPITATION (IN)
YESTERDAY 0.00 2.28 1993 0.11 -0.11 0.00
MONTH TO DATE 0.43 1.62 -1.19 0.00
SINCE SEP 1 0.43 1.62 -1.19 0.00
SINCE JAN 1 25.44 30.96 -5.52 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 2 -2 0
MONTH TO DATE 49 18 31 17
SINCE SEP 1 49 18 31 17
SINCE JUL 1 61 24 37 21
COOLING
YESTERDAY 9 4 5 12
MONTH TO DATE 35 68 -33 59
SINCE SEP 1 35 68 -33 59
SINCE JAN 1 938 893 45 928
........................................................
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 89 1994
2024
MINIMUM TEMPERATURE (F) 56 38 2007
SUNRISE AND SUNSET
SEPTEMBER 15 2025.....SUNRISE 6:33 AM CDT SUNSET 7:01 PM CDT
SEPTEMBER 16 2025.....SUNRISE 6:34 AM CDT SUNSET 6:59 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page