465
CDUS43 KLOT 220640
CLILOT
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
140 AM CDT MON SEP 22 2025
...............................
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR SEPTEMBER 21 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 80 93 2017 75 5 92
MINIMUM 63 39 1995 53 10 60
AVERAGE 72 64 8 76
PRECIPITATION (IN)
YESTERDAY 0.01 0.86 2019 0.11 -0.10 0.00
MONTH TO DATE 0.70 2.36 -1.66 0.14
SINCE SEP 1 0.70 2.36 -1.66 0.14
SINCE JAN 1 25.71 31.70 -5.99 33.48
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 4 -4 0
MONTH TO DATE 49 38 11 17
SINCE SEP 1 49 38 11 17
SINCE JUL 1 61 44 17 21
COOLING
YESTERDAY 7 3 4 11
MONTH TO DATE 86 90 -4 129
SINCE SEP 1 86 90 -4 129
SINCE JAN 1 989 915 74 998
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THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 93 2017
MINIMUM TEMPERATURE (F) 53 33 1995
SUNRISE AND SUNSET
SEPTEMBER 22 2025.....SUNRISE 6:40 AM CDT SUNSET 6:49 PM CDT
SEPTEMBER 23 2025.....SUNRISE 6:41 AM CDT SUNSET 6:47 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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