Climatological Report (Daily)
Issued by NWS
Issued by NWS
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861
CDUS43 KILX 182132
CLIDEC
CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
432 PM CDT FRI SEP 18 2026
...................................
...THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 18 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 87 1217 PM MM MM 79 8 95
MINIMUM 71 640 AM MM MM 54 17 56
AVERAGE 79 66 13 76
PRECIPITATION (IN)
TODAY 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
TODAY 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
TODAY 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
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 10.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 100 AM
LOWEST 67 100 PM
AVERAGE 82
..........................................................
THE DECATUR IL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 MM MM
MINIMUM TEMPERATURE (F) 54 MM MM
SUNRISE AND SUNSET
SEPTEMBER 18 2026.....SUNRISE 639 AM CDT SUNSET 659 PM CDT
SEPTEMBER 19 2026.....SUNRISE 640 AM CDT SUNSET 657 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$