Climatological Report (Daily)
Issued by NWS
Issued by NWS
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576
CDUS43 KILX 180628
CLIDEC
CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
128 AM CDT TUE AUG 18 2026
...................................
...THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR AUGUST 17 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 82 237 PM MM MM 84 -2 90
MINIMUM 65 1159 PM MM MM 63 2 73
AVERAGE 74 74 0 82
PRECIPITATION (IN)
YESTERDAY 0.00 MM MM 0.09 -0.09 0.31
MONTH TO DATE 3.24 1.43 1.81 1.46
SINCE JUN 1 13.57 9.13 4.44 13.54
SINCE JAN 1 30.90 23.51 7.39 23.84
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 9 9 0 17
MONTH TO DATE 201 164 37 222
SINCE JUN 1 773 739 34 1053
SINCE JAN 1 885 849 36 1138
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 8.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 100 AM
LOWEST 51 300 PM
AVERAGE 74
..........................................................
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 2026........SUNRISE 610 AM CDT SUNSET 747 PM CDT
AUGUST 19 2026........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.
$$