948
CDUS43 KILX 170644
CLIDEC
CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
144 AM CDT SUN MAY 17 2026
...............................
..THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR MAY 16 2026
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 2000 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 74 MM MM MM 74 0 85
MINIMUM MM MM MM MM 54 MM 60
AVERAGE MM 64 MM 73
PRECIPITATION (IN)
YESTERDAY MM MM MM 0.13 MM 0.29
MONTH TO DATE 1.64 2.34 -0.70 2.21
SINCE MAR 1 15.06 8.51 6.55 8.50
SINCE JAN 1 15.87 12.34 3.53 9.07
DEGREE DAYS
HEATING
YESTERDAY MM 4 MM 0
MONTH TO DATE 125 88 37 55
SINCE MAR 1 840 1169 -329 840
SINCE JUL 1 4904 5342 -438 4692
COOLING
YESTERDAY MM 3 MM 8
MONTH TO DATE 0 30 -30 41
SINCE MAR 1 58 46 12 60
SINCE JAN 1 58 46 12 60
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WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 12.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 100 PM
LOWEST 66 1200 PM
AVERAGE 79
......................................................
THE DECATUR IL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 MM MM
MINIMUM TEMPERATURE (F) 54 MM MM
SUNRISE AND SUNSET
MAY 17 2026...........SUNRISE 539 AM CDT SUNSET 805 PM CDT
MAY 18 2026...........SUNRISE 538 AM CDT SUNSET 806 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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