Climatological Report (Daily)
Issued by NWS
Issued by NWS
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474
CDUS43 KILX 180626
CLIDEC
CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
126 AM CDT FRI SEP 18 2026
...................................
...THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 17 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 95 322 PM MM MM 79 16 91
MINIMUM 69 303 AM MM MM 55 14 53
AVERAGE 82 67 15 72
PRECIPITATION (IN)
YESTERDAY 0.00 MM MM 0.09 -0.09 0.00
MONTH TO DATE 0.69 1.91 -1.22 0.05
SINCE SEP 1 0.69 1.91 -1.22 0.05
SINCE JAN 1 32.13 27.02 5.11 23.99
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 0 19 -19 15
SINCE SEP 1 0 19 -19 15
SINCE JUL 1 1 24 -23 16
COOLING
YESTERDAY 17 4 13 7
MONTH TO DATE 221 88 133 100
SINCE SEP 1 221 88 133 100
SINCE JAN 1 1218 1046 172 1326
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 5.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 100 AM
LOWEST 48 300 PM
AVERAGE 72
..........................................................
THE DECATUR IL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 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.
$$