Climatological Report (Daily)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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CDUS43 KLOT 212141
CLILOT
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
441 PM CDT MON JUL 21 2025
...................................
...THE ROMEOVILLE WFO CLIMATE SUMMARY FOR JULY 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 84 99 2011 85 -1 82
MINIMUM 64 56 1992 65 -1 65
2000
AVERAGE 74 75 -1 74
PRECIPITATION (IN)
TODAY 0.00 2.24 2017 0.16 -0.16 0.00
MONTH TO DATE 2.52 3.01 -0.49 3.57
SINCE JUN 1 5.52 7.69 -2.17 8.55
SINCE JAN 1 16.44 23.49 -7.05 29.51
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 0
SINCE JUN 1 17 23 -6 8
SINCE JUL 1 0 0 0 0
COOLING
TODAY 9 10 -1 9
MONTH TO DATE 232 206 26 195
SINCE JUN 1 492 406 86 447
SINCE JAN 1 536 483 53 518
............................................................
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 93 2001
MINIMUM TEMPERATURE (F) 65 54 1996
SUNRISE AND SUNSET
JULY 21 2025..........SUNRISE 5:37 AM CDT SUNSET 8:20 PM CDT
JULY 22 2025..........SUNRISE 5:38 AM CDT SUNSET 8:20 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$