Climatological Report (Daily)
Issued by NWS
Issued by NWS
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819
CDUS43 KILX 212130
CLIDEC
CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
430 PM CDT THU AUG 21 2025
...................................
...THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR AUGUST 21 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 9999 TO 9999
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 83 259 PM MM MM 84 -1 76
MINIMUM 63 159 AM MM MM 63 0 52
AVERAGE 73 73 0 64
PRECIPITATION (IN)
TODAY 0.00 MM MM 0.11 -0.11 0.00
MONTH TO DATE 1.56 1.86 -0.30 2.11
SINCE JUN 1 13.64 9.56 4.08 12.46
SINCE JAN 1 23.94 23.94 -0.00 30.68
DEGREE DAYS
HEATING
TODAY 0 0 0 1
MONTH TO DATE 0 0 0 1
SINCE JUN 1 0 12 -12 4
SINCE JUL 1 0 1 -1 1
COOLING
TODAY 8 8 0 0
MONTH TO DATE 274 198 76 186
SINCE JUN 1 1105 773 332 846
SINCE JAN 1 1190 883 307 981
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 8.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 500 AM
LOWEST 54 200 PM
AVERAGE 74
..........................................................
THE DECATUR IL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 MM MM
MINIMUM TEMPERATURE (F) 62 MM MM
SUNRISE AND SUNSET
AUGUST 21 2025........SUNRISE 613 AM CDT SUNSET 743 PM CDT
AUGUST 22 2025........SUNRISE 614 AM CDT SUNSET 741 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$