Climatological Report (Daily)
Issued by NWS
Issued by NWS
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532
CDUS43 KILX 170628
CLIDEC
CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
128 AM CDT THU SEP 17 2026
...................................
...THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 16 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 90 321 PM MM MM 79 11 93
MINIMUM 72 1159 PM MM MM 55 17 59
AVERAGE 81 67 14 76
PRECIPITATION (IN)
YESTERDAY 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
YESTERDAY 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
YESTERDAY 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 4.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
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 TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 MM MM
MINIMUM TEMPERATURE (F) 55 MM MM
SUNRISE AND SUNSET
SEPTEMBER 17 2026.....SUNRISE 638 AM CDT SUNSET 701 PM CDT
SEPTEMBER 18 2026.....SUNRISE 639 AM CDT SUNSET 659 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$