750
CDUS43 KILX 190641
CLIDEC
CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
141 AM CDT TUE MAY 19 2026
...............................
..THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR MAY 18 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 75 823 AM MM MM 75 0 77
MINIMUM 61 1000 PM MM MM 54 7 54
AVERAGE 68 65 3 66
PRECIPITATION (IN)
YESTERDAY MM MM MM 0.14 MM 0.00
MONTH TO DATE 1.64 2.62 -0.98 2.21
SINCE MAR 1 15.06 8.79 6.27 8.50
SINCE JAN 1 15.87 12.62 3.25 9.07
DEGREE DAYS
HEATING
YESTERDAY 0 4 -4 0
MONTH TO DATE 125 96 29 55
SINCE MAR 1 840 1177 -337 840
SINCE JUL 1 4904 5350 -446 4692
COOLING
YESTERDAY 3 3 0 1
MONTH TO DATE 3 36 -33 43
SINCE MAR 1 61 52 9 62
SINCE JAN 1 61 52 9 62
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WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 14.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 900 AM
LOWEST 73 700 PM
AVERAGE 85
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THE DECATUR IL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 MM MM
MINIMUM TEMPERATURE (F) 55 MM MM
SUNRISE AND SUNSET
MAY 19 2026...........SUNRISE 537 AM CDT SUNSET 807 PM CDT
MAY 20 2026...........SUNRISE 536 AM CDT SUNSET 808 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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