Climatological Report (Daily)
Issued by NWS
Issued by NWS
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821
CDUS43 KILX 202131
CLIDEC
CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
431 PM CDT SUN SEP 20 2026
...................................
...THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 20 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 86 256 PM MM MM 78 8 88
MINIMUM 72 617 AM MM MM 53 19 61
AVERAGE 79 66 13 75
PRECIPITATION (IN)
TODAY T MM MM 0.09 -0.09 0.70
MONTH TO DATE 1.12 2.18 -1.06 0.79
SINCE SEP 1 1.12 2.18 -1.06 0.79
SINCE JAN 1 32.56 27.29 5.27 24.73
DEGREE DAYS
HEATING
TODAY 0 3 -3 0
MONTH TO DATE 0 26 -26 15
SINCE SEP 1 0 26 -26 15
SINCE JUL 1 1 31 -30 16
COOLING
TODAY 14 3 11 10
MONTH TO DATE 262 99 163 132
SINCE SEP 1 262 99 163 132
SINCE JAN 1 1259 1057 202 1358
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 6.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 500 AM
LOWEST 53 300 PM
AVERAGE 75
..........................................................
THE DECATUR IL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 MM MM
MINIMUM TEMPERATURE (F) 53 MM MM
SUNRISE AND SUNSET
SEPTEMBER 20 2026.....SUNRISE 641 AM CDT SUNSET 656 PM CDT
SEPTEMBER 21 2026.....SUNRISE 642 AM CDT SUNSET 654 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$