


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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463 CDUS43 KLOT 170632 CLIARR CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 132 AM CDT FRI OCT 17 2025 ................................... ...THE AURORA MUNICIPAL AIRPORT CLIMATE SUMMARY FOR OCTOBER 16 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 71 3:36 PM 74 2016 63 8 59 MINIMUM 55 11:42 PM 26 2020 41 14 28 AVERAGE 63 52 11 44 PRECIPITATION (IN) YESTERDAY 0.00 0.74 2007 0.11 -0.11 0.00 MONTH TO DATE 1.01 1.81 -0.80 0.24 SINCE SEP 1 1.89 4.82 -2.93 1.41 SINCE JAN 1 23.46 28.44 -4.98 30.81 DEGREE DAYS HEATING YESTERDAY 2 13 -11 21 MONTH TO DATE 68 167 -99 132 SINCE SEP 1 129 280 -151 173 SINCE JUL 1 150 298 -148 191 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 42 9 33 5 SINCE SEP 1 162 89 73 102 SINCE JAN 1 1059 777 282 868 ................................................................... WIND (MPH) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (120) HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (120) AVERAGE WIND SPEED 6.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 87 7:00 AM LOWEST 51 12:00 PM AVERAGE 69 .......................................................... THE AURORA MUNICIPAL AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 63 84 2016 MINIMUM TEMPERATURE (F) 40 25 2003 2015 2024 SUNRISE AND SUNSET OCTOBER 17 2025.......SUNRISE 7:09 AM CDT SUNSET 6:09 PM CDT OCTOBER 18 2025.......SUNRISE 7:10 AM CDT SUNSET 6:07 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$