


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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399 CDUS43 KLOT 010655 CLIARR CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 155 AM CDT MON SEP 01 2025 ................................... ...THE AURORA MUNICIPAL AIRPORT CLIMATE SUMMARY FOR AUGUST 31 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 77 2:58 PM 93 2000 80 -3 81 MINIMUM 50 5:14 AM 40 2009 57 -7 55 AVERAGE 64 68 -4 68 PRECIPITATION (IN) YESTERDAY 0.00 0.24 2019 0.12 -0.12 0.00 MONTH TO DATE 4.77 3.35 1.42 3.63 SINCE JUN 1 12.05 11.04 1.01 15.39 SINCE JAN 1 21.57 23.62 -2.05 29.40 DEGREE DAYS HEATING YESTERDAY 1 1 0 0 MONTH TO DATE 21 6 15 17 SINCE JUN 1 34 41 -7 26 SINCE JUL 1 21 12 9 18 COOLING YESTERDAY 0 5 -5 3 MONTH TO DATE 225 193 32 216 SINCE JUN 1 860 626 234 714 SINCE JAN 1 897 688 209 766 ................................................................... WIND (MPH) HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION NE (60) HIGHEST GUST SPEED 9 HIGHEST GUST DIRECTION N (10) AVERAGE WIND SPEED 2.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 93 3:00 AM LOWEST 43 4:00 PM AVERAGE 68 .......................................................... THE AURORA MUNICIPAL AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 80 93 2000 MINIMUM TEMPERATURE (F) 56 41 2009 SUNRISE AND SUNSET SEPTEMBER 1 2025.....SUNRISE 6:20 AM CDT SUNSET 7:27 PM CDT SEPTEMBER 2 2025.....SUNRISE 6:21 AM CDT SUNSET 7:25 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$