


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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618 CDUS43 KLOT 180637 CLIARR CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 137 AM CDT MON AUG 18 2025 ................................... ...THE AURORA MUNICIPAL AIRPORT CLIMATE SUMMARY FOR AUGUST 17 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1998 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 88R 2:11 PM 87 2015 82 6 82 2016 MINIMUM 72 11:59 PM 48 2012 60 12 63 AVERAGE 80 71 9 73 PRECIPITATION (IN) YESTERDAY 2.37R 0.89 2000 0.11 2.26 0.03 MONTH TO DATE 2.65 1.90 0.75 1.80 SINCE JUN 1 9.93 9.59 0.34 13.56 SINCE JAN 1 19.45 22.17 -2.72 27.57 DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 9 SINCE JUN 1 13 35 -22 18 SINCE JUL 1 0 6 -6 10 COOLING YESTERDAY 15 6 9 8 MONTH TO DATE 175 118 57 115 SINCE JUN 1 810 551 259 613 SINCE JAN 1 847 613 234 665 ................................................................... WIND (MPH) HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION E (80) HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION E (70) AVERAGE WIND SPEED 6.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM HEAVY RAIN RAIN LIGHT RAIN FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 97 3:00 AM LOWEST 66 2:00 PM AVERAGE 82 .......................................................... THE AURORA MUNICIPAL AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 82 88 2021 MINIMUM TEMPERATURE (F) 60 47 2012 SUNRISE AND SUNSET AUGUST 18 2025........SUNRISE 6:06 AM CDT SUNSET 7:49 PM CDT AUGUST 19 2025........SUNRISE 6:07 AM CDT SUNSET 7:47 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$