181
CDUS43 KILX 190627
CLIDEC
CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
127 AM CDT SAT SEP 19 2026
...............................
..THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 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 87 1217 PM MM MM 79 8 95
MINIMUM 70 1127 PM MM MM 54 16 56
AVERAGE 79 66 13 76
PRECIPITATION (IN)
YESTERDAY 0.00 MM MM 0.09 -0.09 0.00
MONTH TO DATE 0.69 2.00 -1.31 0.05
SINCE SEP 1 0.69 2.00 -1.31 0.05
SINCE JAN 1 32.13 27.11 5.02 23.99
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 0 21 -21 15
SINCE SEP 1 0 21 -21 15
SINCE JUL 1 1 26 -25 16
COOLING
YESTERDAY 14 4 10 11
MONTH TO DATE 235 92 143 111
SINCE SEP 1 235 92 143 111
SINCE JAN 1 1232 1050 182 1337
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WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 9.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 1100 PM
LOWEST 67 100 PM
AVERAGE 82
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THE DECATUR IL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 MM MM
MINIMUM TEMPERATURE (F) 54 MM MM
SUNRISE AND SUNSET
SEPTEMBER 19 2026.....SUNRISE 640 AM CDT SUNSET 657 PM CDT
SEPTEMBER 20 2026.....SUNRISE 641 AM CDT SUNSET 656 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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