Climatological Report (Daily)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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979
CDUS43 KLOT 212133
CLILOT
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
433 PM CDT THU AUG 21 2025
...................................
...THE ROMEOVILLE WFO CLIMATE SUMMARY FOR AUGUST 21 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 77 94 2003 82 -5 75
MINIMUM 63 49 1992 63 0 53
AVERAGE 70 72 -2 64
PRECIPITATION (IN)
TODAY 0.00 1.29 2014 0.14 -0.14 0.00
MONTH TO DATE 5.86 2.96 2.90 2.31
SINCE JUN 1 13.72 12.14 1.58 11.30
SINCE JAN 1 24.64 27.94 -3.30 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 1
MONTH TO DATE 0 0 0 3
SINCE JUN 1 17 25 -8 11
SINCE JUL 1 0 2 -2 3
COOLING
TODAY 5 8 -3 0
MONTH TO DATE 218 179 39 149
SINCE JUN 1 841 679 162 688
SINCE JAN 1 885 756 129 759
............................................................
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 89 1996
2007
MINIMUM TEMPERATURE (F) 63 51 1992
2004
2024
SUNRISE AND SUNSET
AUGUST 21 2025........SUNRISE 6:07 AM CDT SUNSET 7:43 PM CDT
AUGUST 22 2025........SUNRISE 6:08 AM CDT SUNSET 7:41 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$