Climatological Report (Seasonal)
Issued by NWS
Issued by NWS
657
CXUS53 KILX 011605
CLSDEC
CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
1105 AM CDT SUN JUN 01 2025
...................................
...THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR THE SEASON, FROM
3/1/2025 TO 5/31/2025...
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 16 03/02/2025
HIGHEST 91 05/15 MM MM 90
LOWEST 16R 03/02 MM MM 24
AVG. MAXIMUM 67.8 63.4 4.4 67.8
AVG. MINIMUM 44.6 42.7 1.9 46.3
MEAN 56.2 53.0 3.2 57.0
DAYS MAX >= 90 1 1.0 0.0 1
DAYS MAX <= 32 0 1.0 -1.0 0
DAYS MIN <= 32 16 21.8 -5.8 14
DAYS MIN <= 0 0 0.2 -0.2 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM MM MM
MINIMUM MM MM
TOTALS 9.73 10.55 -0.82 13.08
DAILY AVG. 0.10 0.14
DAYS >= .01 34 35.0 -1.0 37
DAYS >= .10 22 21.2 0.8 27
DAYS >= .50 5 7.3 -2.3 7
DAYS >= 1.00 2 2.2 -0.2 3
GREATEST
24 HR. TOTAL 1.20 1.82
DEGREE DAYS
HEATING TOTAL 874 1209 -335 843
SINCE 7/1 4726 5383 -657 MM
COOLING TOTAL 85 110 -25 135
SINCE 1/1 85 110 -25 MM
FREEZE DATES
RECORD
EARLIEST MM
LATEST MM
EARLIEST 10/17
LATEST 04/25
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 11.0
HIGHEST WIND SPEED/DIRECTION 39/180 DATE 03/19
HIGHEST GUST SPEED/DIRECTION 61/180 DATE 05/16
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.39
NUMBER OF DAYS FAIR 47
NUMBER OF DAYS PC 32
NUMBER OF DAYS CLOUDY 13
AVERAGE RH (PERCENT) 63
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 20 MIXED PRECIP 0
HEAVY RAIN 16 RAIN 16
LIGHT RAIN 47 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 3 SLEET 0
FOG 28 FOG W/VIS <= 1/4 MILE 1
HAZE 5
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$