Climatological Report (Daily)
Issued by NWS
Issued by NWS
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602
CDUS43 KILX 180628
CLIDEC
CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
128 AM CDT MON AUG 18 2025
...................................
...THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR AUGUST 17 2025...
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)
YESTERDAY
MAXIMUM 90 510 PM MM MM 84 6 82
MINIMUM 73 840 AM MM MM 63 10 71
AVERAGE 82 74 8 77
PRECIPITATION (IN)
YESTERDAY 0.31 MM MM 0.09 0.22 0.00
MONTH TO DATE 1.46 1.43 0.03 2.11
SINCE JUN 1 13.54 9.13 4.41 12.46
SINCE JAN 1 23.84 23.51 0.33 30.68
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 12 -12 3
SINCE JUL 1 0 1 -1 0
COOLING
YESTERDAY 17 9 8 12
MONTH TO DATE 222 164 58 171
SINCE JUN 1 1053 739 314 831
SINCE JAN 1 1138 849 289 966
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 6.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91 900 AM
LOWEST 65 200 PM
AVERAGE 78
..........................................................
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 18 2025........SUNRISE 611 AM CDT SUNSET 747 PM CDT
AUGUST 19 2025........SUNRISE 611 AM CDT SUNSET 746 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$