Climatological Report (Daily)
Issued by NWS
Issued by NWS
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977
CDUS43 KILX 162135
CLIDEC
CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
435 PM CDT WED SEP 16 2026
...................................
...THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 16 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 89 259 PM MM MM 79 10 93
MINIMUM 72 647 AM MM MM 55 17 59
AVERAGE 81 67 14 76
PRECIPITATION (IN)
TODAY 0.52 MM MM 0.09 0.43 0.00
MONTH TO DATE 0.69 1.82 -1.13 0.05
SINCE SEP 1 0.69 1.82 -1.13 0.05
SINCE JAN 1 32.13 26.93 5.20 23.99
DEGREE DAYS
HEATING
TODAY 0 2 -2 0
MONTH TO DATE 0 17 -17 15
SINCE SEP 1 0 17 -17 15
SINCE JUL 1 1 22 -21 16
COOLING
TODAY 16 4 12 11
MONTH TO DATE 204 84 120 93
SINCE SEP 1 204 84 120 93
SINCE JAN 1 1201 1042 159 1319
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 47 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 5.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 300 AM
LOWEST 50 300 PM
AVERAGE 74
..........................................................
THE DECATUR IL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 MM MM
MINIMUM TEMPERATURE (F) 55 MM MM
SUNRISE AND SUNSET
SEPTEMBER 16 2026.....SUNRISE 637 AM CDT SUNSET 702 PM CDT
SEPTEMBER 17 2026.....SUNRISE 638 AM CDT SUNSET 701 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$