109
CDUS43 KILX 170727
CLIDEC
CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
127 AM CST WED DEC 17 2025
...............................
..THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR DECEMBER 16 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 9999 TO 9999
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 42 510 PM MM MM 39 3 62
MINIMUM 21 340 AM MM MM 25 -4 38
AVERAGE 32 32 0 50
PRECIPITATION (IN)
YESTERDAY 0.00 MM MM 0.06 -0.06 0.01
MONTH TO DATE 0.02 1.08 -1.06 0.57
SINCE DEC 1 0.02 1.08 -1.06 0.57
SINCE JAN 1 28.17 35.32 -7.15 41.09
DEGREE DAYS
HEATING
YESTERDAY 33 33 0 15
MONTH TO DATE 698 488 210 531
SINCE DEC 1 698 488 210 531
SINCE JUL 1 1584 1552 32 1285
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1479 1105 374 1292
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WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 14.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 71 800 AM
LOWEST 59 500 PM
AVERAGE 65
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THE DECATUR IL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 39 MM MM
MINIMUM TEMPERATURE (F) 25 MM MM
SUNRISE AND SUNSET
DECEMBER 17 2025......SUNRISE 711 AM CST SUNSET 432 PM CST
DECEMBER 18 2025......SUNRISE 712 AM CST SUNSET 433 PM CST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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