Climatological Report (Daily)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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CDUS43 KLOT 182138
CLILOT
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
438 PM CDT MON AUG 18 2025
...................................
...THE ROMEOVILLE WFO CLIMATE SUMMARY FOR AUGUST 18 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 86 90 1995 83 3 78
MINIMUM 71 53 2002 63 8 66
2012
AVERAGE 79 73 6 72
PRECIPITATION (IN)
TODAY 0.00 1.01 2015 0.14 -0.14 T
MONTH TO DATE 3.51 2.55 0.96 2.31
SINCE JUN 1 11.37 11.73 -0.36 11.30
SINCE JAN 1 22.29 27.53 -5.24 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 14 8 6 7
MONTH TO DATE 200 155 45 145
SINCE JUN 1 823 655 168 684
SINCE JAN 1 867 732 135 755
............................................................
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 91 1995
MINIMUM TEMPERATURE (F) 63 51 1992
SUNRISE AND SUNSET
AUGUST 18 2025........SUNRISE 6:04 AM CDT SUNSET 7:47 PM CDT
AUGUST 19 2025........SUNRISE 6:05 AM CDT SUNSET 7:46 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$