


Climatological Report (Monthly)
Issued by NWS
Issued by NWS
120 CXUS53 KILX 011328 CLMDEC CLIMATE REPORT NATIONAL WEATHER SERVICE LINCOLN IL 828 AM CDT MON SEP 01 2025 ................................... ...THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2025... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 9999 TO 9999 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH MM MM LOW 51 08/26/2025 HIGHEST 96 08/16 MM MM 95 LOWEST 51R 08/26 MM MM 49 08/27 AVG. MAXIMUM 85.4 84.3 1.1 84.4 AVG. MINIMUM 64.1 63.1 1.0 64.7 MEAN 74.7 73.7 1.0 74.5 DAYS MAX >= 90 10 7.0 3.0 10 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 0.0 0.0 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM MM MM MINIMUM MM MM TOTALS 1.56 3.03 -1.47 2.59 DAILY AVG. 0.05 0.10 -0.05 0.08 DAYS >= .01 5 9.2 -4.2 7 DAYS >= .10 3 5.0 -2.0 5 DAYS >= .50 1 2.0 -1.0 2 DAYS >= 1.00 1 1.0 0.0 0 GREATEST 24 HR. TOTAL 1.12 08/12 TO 08/12 1.64 DEGREE DAYS HEATING TOTAL 1 4 -3 3 SINCE 7/1 1 1 0 MM COOLING TOTAL 310 273 37 307 SINCE 1/1 1226 958 268 MM .............................................................. WIND (MPH) AVERAGE WIND SPEED 6.8 HIGHEST WIND SPEED/DIRECTION 32/290 DATE 08/12 HIGHEST GUST SPEED/DIRECTION 46/300 DATE 08/12 AVERAGE RH (PERCENT) 72 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 6 MIXED PRECIP 0 HEAVY RAIN 3 RAIN 2 LIGHT RAIN 8 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 9 FOG W/VIS <= 1/4 MILE 2 HAZE 2 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$