Climatological Report (Daily)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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CDUS43 KLOT 202134
CLILOT
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CDT WED AUG 20 2025
...................................
...THE ROMEOVILLE WFO CLIMATE SUMMARY FOR AUGUST 20 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 76 91 2010 82 -6 73
2023
MINIMUM 66 49 1992 63 3 57
AVERAGE 71 73 -2 65
PRECIPITATION (IN)
TODAY 0.00 2.39 2022 0.13 -0.13 0.00
MONTH TO DATE 5.86 2.82 3.04 2.31
SINCE JUN 1 13.72 12.00 1.72 11.30
SINCE JAN 1 24.64 27.80 -3.16 32.26
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 JUN 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 0 0 0
MONTH TO DATE 0 0 0 2
SINCE JUN 1 17 25 -8 10
SINCE JUL 1 0 2 -2 2
COOLING
TODAY 6 8 -2 0
MONTH TO DATE 213 171 42 149
SINCE JUN 1 836 671 165 688
SINCE JAN 1 880 748 132 759
............................................................
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 94 2003
MINIMUM TEMPERATURE (F) 63 49 1992
SUNRISE AND SUNSET
AUGUST 20 2025........SUNRISE 6:06 AM CDT SUNSET 7:44 PM CDT
AUGUST 21 2025........SUNRISE 6:07 AM CDT SUNSET 7:43 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$