CXUS53 KLOT 011154 CLMARR CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 554 AM CST THU JAN 01 2026 ................................... ...THE AURORA MUNICIPAL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1998 TO 2025 WEATHER OBSERVED NORMAL DEPART LAST YEAR'S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 70 12/03/2012 LOW -18 12/19/2016 HIGHEST 57 12/28 56 12/08 LOWEST -14 12/04 0 12/21 12/22 AVG. MAXIMUM 33.4 35.8 -2.4 37.9 AVG. MINIMUM 13.4 20.6 -7.2 22.1 MEAN 23.4 28.2 -4.8 30.0 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 14 11.9 2.1 8 DAYS MIN <= 32 28 26.8 1.2 24 DAYS MIN <= 0 5 3.5 1.5 2 PRECIPITATION (INCHES) RECORD MAXIMUM 4.47 2008 MINIMUM 0.41 2017 TOTALS 1.46 1.68 -0.22 1.08 DAILY AVG. 0.05 0.05 -0.00 0.03 DAYS >= .01 12 9.0 3.0 8 DAYS >= .10 3 4.0 -1.0 4 DAYS >= .50 1 1.3 -0.3 0 DAYS >= 1.00 0 0.3 -0.3 0 GREATEST 24 HR. TOTAL 0.92 12/28 TO 12/28 0.36 DEGREE DAYS HEATING TOTAL 1282 1141 141 1075 SINCE 7/1 2438 2478 -40 MM COOLING TOTAL 0 0 0 0 SINCE 1/1 1062 779 283 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 10.3 HIGHEST WIND SPEED/DIRECTION 43/280 DATE 12/29 HIGHEST GUST SPEED/DIRECTION 59/290 DATE 12/29 AVERAGE RH (PERCENT) 80 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 1 MIXED PRECIP 0 HEAVY RAIN 1 RAIN 2 LIGHT RAIN 7 FREEZING RAIN 0 LT FREEZING RAIN 1 HAIL 0 HEAVY SNOW 1 SNOW 5 LIGHT SNOW 13 SLEET 0 FOG 24 FOG W/VIS <= 1/4 MILE 7 HAZE 21 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$