Climatological Report (Daily)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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CDUS43 KLOT 170632
CLILOT
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT FRI OCT 17 2025
...................................
...THE ROMEOVILLE WFO CLIMATE SUMMARY FOR OCTOBER 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 70 81 1998 64 6 57
MINIMUM 57 30 2018 44 13 34
AVERAGE 64 54 10 46
PRECIPITATION (IN)
YESTERDAY 0.00 0.57 1996 0.13 -0.13 0.00
2006
MONTH TO DATE 0.75 1.98 -1.23 0.35
SINCE SEP 1 1.46 5.29 -3.83 2.76
SINCE JAN 1 26.47 34.63 -8.16 36.10
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 1 12 -11 19
MONTH TO DATE 62 143 -81 102
SINCE SEP 1 111 223 -112 125
SINCE JUL 1 123 229 -106 129
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 42 13 29 7
SINCE SEP 1 173 119 54 153
SINCE JAN 1 1076 944 132 1022
............................................................
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 63 83 2016
MINIMUM TEMPERATURE (F) 43 26 1992
SUNRISE AND SUNSET
OCTOBER 17 2025.......SUNRISE 7:07 AM CDT SUNSET 6:08 PM CDT
OCTOBER 18 2025.......SUNRISE 7:08 AM CDT SUNSET 6:06 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$