Climatological Report (Daily)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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CDUS43 KLOT 180640
CLILOT
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
140 AM CDT TUE AUG 18 2026
...................................
...THE ROMEOVILLE WFO CLIMATE SUMMARY FOR AUGUST 17 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 82 90 1995 83 -1 84
MINIMUM 65 49 1992 63 2 68
AVERAGE 74 73 1 76
PRECIPITATION (IN)
YESTERDAY 0.00 2.59 2025 0.15 -0.15 2.59
MONTH TO DATE 6.65 2.41 4.24 3.51
SINCE JUN 1 19.84 11.59 8.25 11.37
SINCE JAN 1 34.83 27.39 7.44 22.29
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 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
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 12 25 -13 17
SINCE JUL 1 0 2 -2 0
COOLING
YESTERDAY 9 8 1 11
MONTH TO DATE 163 147 16 186
SINCE JUN 1 679 647 32 809
SINCE JAN 1 735 724 11 853
............................................................
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 90 1995
MINIMUM TEMPERATURE (F) 63 53 2002
2012
SUNRISE AND SUNSET
AUGUST 18 2026........SUNRISE 6:04 AM CDT SUNSET 7:47 PM CDT
AUGUST 19 2026........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.
$$