Climatological Report (Daily)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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CDUS43 KLOT 152136
CLILOT
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
436 PM CDT TUE SEP 15 2026
...................................
...THE ROMEOVILLE WFO CLIMATE SUMMARY FOR SEPTEMBER 15 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1992 TO 2026
WEATHER ITEM OBSERVED RECORD YEAR NORMAL DEPARTURE LAST
VALUE VALUE VALUE FROM YEAR
NORMAL
............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 86 89 1994 77 9 85
2024
MINIMUM 65 38 2007 56 9 62
AVERAGE 76 66 10 74
PRECIPITATION (IN)
TODAY 0.04 1.26 2019 0.10 -0.06 0.00
MONTH TO DATE 0.12 1.72 -1.60 0.43
SINCE SEP 1 0.12 1.72 -1.60 0.43
SINCE JAN 1 35.60 31.06 4.54 25.44
SNOWFALL (IN)
TODAY 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
TODAY 0 2 -2 0
MONTH TO DATE 3 20 -17 49
SINCE SEP 1 3 20 -17 49
SINCE JUL 1 3 26 -23 61
COOLING
TODAY 11 4 7 9
MONTH TO DATE 154 72 82 44
SINCE SEP 1 154 72 82 44
SINCE JAN 1 989 897 92 947
............................................................
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 91 2018
MINIMUM TEMPERATURE (F) 55 42 2000
2014
SUNRISE AND SUNSET
SEPTEMBER 15 2026.....SUNRISE 6:33 AM CDT SUNSET 7:02 PM CDT
SEPTEMBER 16 2026.....SUNRISE 6:34 AM CDT SUNSET 7:00 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$