Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KILX 210637
CLIDEC
CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
137 AM CDT FRI AUG 21 2026
...................................
...THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR AUGUST 20 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 83 255 PM MM MM 84 -1 84
MINIMUM 62 1135 PM MM MM 63 -1 64
AVERAGE 73 73 0 74
PRECIPITATION (IN)
YESTERDAY 0.24 MM MM 0.11 0.13 0.00
MONTH TO DATE 3.58 1.75 1.83 1.56
SINCE JUN 1 13.91 9.45 4.46 13.64
SINCE JAN 1 31.24 23.83 7.41 23.94
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 1 12 -11 0
SINCE JUL 1 1 1 0 0
COOLING
YESTERDAY 8 8 0 9
MONTH TO DATE 227 190 37 266
SINCE JUN 1 799 765 34 1097
SINCE JAN 1 911 875 36 1182
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 5.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 500 AM
LOWEST 57 300 PM
AVERAGE 79
..........................................................
THE DECATUR IL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 MM MM
MINIMUM TEMPERATURE (F) 63 MM MM
SUNRISE AND SUNSET
AUGUST 21 2026........SUNRISE 613 AM CDT SUNSET 743 PM CDT
AUGUST 22 2026........SUNRISE 614 AM CDT SUNSET 742 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$