


Climatological Report (Daily)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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988 CDUS43 KLOT 210632 CLILOT CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 132 AM CDT THU AUG 21 2025 ................................... ...THE ROMEOVILLE WFO CLIMATE SUMMARY FOR AUGUST 20 2025... 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) YESTERDAY MAXIMUM 76 91 2010 82 -6 73 2023 MINIMUM 66 49 1992 63 3 57 AVERAGE 71 73 -2 65 PRECIPITATION (IN) YESTERDAY 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) 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 2 SINCE JUN 1 17 25 -8 10 SINCE JUL 1 0 2 -2 2 COOLING YESTERDAY 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 TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 82 94 2003 MINIMUM TEMPERATURE (F) 63 49 1992 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. $$