Climatological Report (Monthly)
Issued by NWS
Issued by NWS
424 CXUS53 KILX 011412 CLMDEC CLIMATE REPORT NATIONAL WEATHER SERVICE LINCOLN IL 912 AM CDT TUE OCT 01 2024 ................................... ...THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2024... 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 38 09/29/2022 HIGHEST 92 09/20 MM MM 90 09/21 LOWEST 43 09/08 MM MM 45 AVG. MAXIMUM 81.6 78.9 2.7 81.4 AVG. MINIMUM 56.9 55.0 1.9 56.3 MEAN 69.3 67.0 2.3 68.8 DAYS MAX >= 90 7 3.9 3.1 2 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 5.20 2022 MINIMUM 0.69 2023 TOTALS 1.84 2.98 -1.14 0.69 DAILY AVG. 0.06 0.10 -0.04 0.02 DAYS >= .01 6 8.9 -2.9 7 DAYS >= .10 6 4.7 1.3 3 DAYS >= .50 1 1.6 -0.6 0 DAYS >= 1.00 1 0.8 0.2 0 GREATEST 24 HR. TOTAL 1.35 09/23 TO 09/24 0.36 DEGREE DAYS HEATING TOTAL 17 66 -49 11 SINCE 7/1 20 71 -51 MM COOLING TOTAL 154 124 30 135 SINCE 1/1 1256 1082 174 MM .............................................................. WIND (MPH) AVERAGE WIND SPEED 6.8 HIGHEST WIND SPEED/DIRECTION 36/360 DATE 09/27 HIGHEST GUST SPEED/DIRECTION 55/010 DATE 09/27 AVERAGE RH (PERCENT) 65 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 3 MIXED PRECIP 0 HEAVY RAIN 3 RAIN 3 LIGHT RAIN 9 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 10 FOG W/VIS <= 1/4 MILE 1 HAZE 3 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$