


Climatological Report (Monthly)
Issued by NWS
Issued by NWS
431 CXUS53 KILX 011449 CLMDEC CLIMATE REPORT NATIONAL WEATHER SERVICE LINCOLN IL 949 AM CDT FRI AUG 01 2025 ................................... ...THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JULY 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 66 07/02/2025 HIGHEST 94 07/24 MM MM 94 07/28 07/29 LOWEST 66R 07/02 MM MM 49 07/31 AVG. MAXIMUM 89.0 85.8 3.2 84.9 AVG. MINIMUM 71.4 65.6 5.8 65.6 MEAN 80.2 75.7 4.5 75.3 DAYS MAX >= 90 14 9.0 5.0 4 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 7.80 3.32 4.48 8.35 DAILY AVG. 0.25 0.11 0.14 0.27 DAYS >= .01 13 10.0 3.0 14 DAYS >= .10 9 5.5 3.5 9 DAYS >= .50 5 2.4 2.6 5 DAYS >= 1.00 2 1.0 1.0 3 GREATEST 24 HR. TOTAL 2.65 07/19 TO 07/19 3.21 DEGREE DAYS HEATING TOTAL 0 1 -1 0 SINCE 7/1 0 0 0 MM COOLING TOTAL 477 333 144 329 SINCE 1/1 916 685 231 MM .............................................................. WIND (MPH) AVERAGE WIND SPEED 6.6 HIGHEST WIND SPEED/DIRECTION 39/210 DATE 07/06 HIGHEST GUST SPEED/DIRECTION 52/220 DATE 07/06 AVERAGE RH (PERCENT) 76 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 14 MIXED PRECIP 0 HEAVY RAIN 8 RAIN 9 LIGHT RAIN 15 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 17 FOG W/VIS <= 1/4 MILE 4 HAZE 2 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$