863
CDUS43 KILX 180632
CLIDEC
CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
132 AM CDT MON MAY 18 2026
...............................
..THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR MAY 17 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 82 500 PM MM MM 75 7 74
MINIMUM MM MM MM MM 54 MM 58
AVERAGE MM 64 MM 66
PRECIPITATION (IN)
YESTERDAY 0.00 MM MM 0.14 -0.14 0.00
MONTH TO DATE 1.64 2.48 -0.84 2.21
SINCE MAR 1 15.06 8.65 6.41 8.50
SINCE JAN 1 15.87 12.48 3.39 9.07
DEGREE DAYS
HEATING
YESTERDAY MM 4 MM 0
MONTH TO DATE 125 92 33 55
SINCE MAR 1 840 1173 -333 840
SINCE JUL 1 4904 5346 -442 4692
COOLING
YESTERDAY MM 3 MM 1
MONTH TO DATE 0 33 -33 42
SINCE MAR 1 58 49 9 61
SINCE JAN 1 58 49 9 61
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WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 18.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 600 AM
LOWEST 60 700 PM
AVERAGE 77
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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 18 2026...........SUNRISE 538 AM CDT SUNSET 806 PM CDT
MAY 19 2026...........SUNRISE 537 AM CDT SUNSET 807 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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