542
CDUS43 KILX 210636
CLIDEC
CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
136 AM CDT THU MAY 21 2026
...............................
..THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR MAY 20 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 69 406 PM MM MM 76 -7 80
MINIMUM 48 1126 PM MM MM 55 -7 62
AVERAGE 59 65 -6 71
PRECIPITATION (IN)
YESTERDAY 0.04 MM MM 0.14 -0.10 1.02
MONTH TO DATE 2.22 2.89 -0.67 3.24
SINCE MAR 1 15.64 9.06 6.58 9.53
SINCE JAN 1 16.45 12.89 3.56 10.10
DEGREE DAYS
HEATING
YESTERDAY 6 3 3 0
MONTH TO DATE 131 103 28 55
SINCE MAR 1 846 1184 -338 840
SINCE JUL 1 4910 5357 -447 4692
COOLING
YESTERDAY 0 4 -4 6
MONTH TO DATE 6 44 -38 53
SINCE MAR 1 64 60 4 72
SINCE JAN 1 64 60 4 72
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WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 13.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 400 AM
LOWEST 50 500 PM
AVERAGE 67
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THE DECATUR IL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 MM MM
MINIMUM TEMPERATURE (F) 55 MM MM
SUNRISE AND SUNSET
MAY 21 2026...........SUNRISE 536 AM CDT SUNSET 809 PM CDT
MAY 22 2026...........SUNRISE 535 AM CDT SUNSET 810 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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