Climatological Report (Monthly)
Issued by NWS
Issued by NWS
666 CXUS53 KILX 012135 CLMDEC CLIMATE REPORT NATIONAL WEATHER SERVICE LINCOLN IL 335 PM CST MON JAN 01 2024 ................................... ...THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2023... 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 -9 12/23/2022 HIGHEST 61 12/24 MM MM 61 LOWEST 15 12/19 MM MM -9 AVG. MAXIMUM 47.1 39.7 7.4 39.6 AVG. MINIMUM 32.6 25.2 7.4 24.5 MEAN 39.9 32.4 7.5 32.1 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 0 8.0 -8.0 8 DAYS MIN <= 32 17 23.6 -6.6 20 DAYS MIN <= 0 0 0.5 -0.5 2 PRECIPITATION (INCHES) RECORD MAXIMUM 2.32 2021 MINIMUM 1.40 2020 TOTALS 2.88 2.12 0.76 2.00 DAILY AVG. 0.09 0.07 0.02 0.07 DAYS >= .01 11 8.9 2.1 7 DAYS >= .10 5 4.8 0.2 4 DAYS >= .50 2 1.5 0.5 1 DAYS >= 1.00 1 0.4 0.6 1 GREATEST 24 HR. TOTAL 1.20 11/30 TO 12/01 1.10 DEGREE DAYS HEATING TOTAL 770 1009 -239 1010 SINCE 7/1 1691 2072 -381 MM COOLING TOTAL 0 0 0 0 SINCE 1/1 1135 1105 30 MM .............................................................. WIND (MPH) AVERAGE WIND SPEED 9.7 HIGHEST WIND SPEED/DIRECTION 32/320 DATE 12/18 HIGHEST GUST SPEED/DIRECTION 46/320 DATE 12/18 AVERAGE RH (PERCENT) 77 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 2 HEAVY RAIN 2 RAIN 3 LIGHT RAIN 11 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 4 SLEET 0 FOG 15 FOG W/VIS <= 1/4 MILE 1 HAZE 0 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$