Climatological Report (Daily)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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CDUS43 KLOT 210634
CLILOT
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT MON SEP 21 2026
...................................
...THE ROMEOVILLE WFO CLIMATE SUMMARY FOR SEPTEMBER 20 2026...
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)
YESTERDAY
MAXIMUM 69 94 2018 75 -6 75
MINIMUM 60 40 2006 54 6 62
AVERAGE 65 64 1 69
PRECIPITATION (IN)
YESTERDAY 1.10R 0.96 2009 0.12 0.98 0.25
MONTH TO DATE 5.40 2.25 3.15 0.69
SINCE SEP 1 5.40 2.25 3.15 0.69
SINCE JAN 1 40.88 31.59 9.29 25.70
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 3 34 -31 49
SINCE SEP 1 3 34 -31 49
SINCE JUL 1 3 40 -37 61
COOLING
YESTERDAY 0 3 -3 4
MONTH TO DATE 175 87 88 79
SINCE SEP 1 175 87 88 79
SINCE JAN 1 1010 912 98 982
............................................................
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 93 2017
MINIMUM TEMPERATURE (F) 53 39 1995
SUNRISE AND SUNSET
SEPTEMBER 21 2026.....SUNRISE 6:39 AM CDT SUNSET 6:51 PM CDT
SEPTEMBER 22 2026.....SUNRISE 6:40 AM CDT SUNSET 6:49 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$