Climatological Report (Seasonal)
Issued by NWS
Issued by NWS
065
CXUS53 KILX 011752
CLSDEC
CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
1252 PM CDT TUE SEP 01 2026
...................................
...THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR THE SEASON, FROM
6/1/2026 TO 8/31/2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 2000 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 104 07/06/2012
07/05/2012
LOW 37 06/01/2003
HIGHEST 95 08/31 MM MM 96
LOWEST 51 06/03 MM MM 51
07/23
AVG. MAXIMUM 83.7 84.4 -0.7 86.7
AVG. MINIMUM 64.9 63.7 1.2 67.5
MEAN 74.3 74.0 0.3 77.1
DAYS MAX >= 90 15 22.0 -7.0 33
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 19.08 2008
MINIMUM 4.56 2012
TOTALS 14.11 10.73 3.38 13.64
DAILY AVG. 0.15 0.15
DAYS >= .01 33 30.3 2.7 26
DAYS >= .10 20 17.2 2.8 18
DAYS >= .50 10 7.2 2.8 10
DAYS >= 1.00 4 3.3 0.7 4
GREATEST
24 HR. TOTAL 3.13 2.65
DEGREE DAYS
HEATING TOTAL 1 16 -15 1
SINCE 7/1 1 1 0 MM
COOLING TOTAL 885 848 37 1141
SINCE 1/1 997 958 39 MM
FREEZE DATES
RECORD
EARLIEST MM
LATEST MM
EARLIEST MM
LATEST 03/28
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 7.5
HIGHEST WIND SPEED/DIRECTION 45/350 DATE 06/17
HIGHEST GUST SPEED/DIRECTION 78/330 DATE 06/17
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.27
NUMBER OF DAYS FAIR 65
NUMBER OF DAYS PC 22
NUMBER OF DAYS CLOUDY 5
AVERAGE RH (PERCENT) 75
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 22 MIXED PRECIP 0
HEAVY RAIN 17 RAIN 21
LIGHT RAIN 39 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 53 FOG W/VIS <= 1/4 MILE 5
HAZE 11
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$