Climatological Report (Daily)
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855
CDUS43 KILX 202135
CLIDEC

CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
435 PM CDT THU AUG 20 2026

...................................

...THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR AUGUST 20 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         83    255 PM  MM      MM  84     -1       84
  MINIMUM         66    505 AM  MM      MM  63      3       64
  AVERAGE         75                        73      2       74

PRECIPITATION (IN)
  TODAY            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
  TODAY            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
  TODAY           10                         8      2        9
  MONTH TO DATE  229                       190     39      266
  SINCE JUN 1    801                       765     36     1097
  SINCE JAN 1    913                       875     38     1182
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    NE (60)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    NE (50)
  AVERAGE WIND SPEED     5.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  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 TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   84        MM        MM
 MINIMUM TEMPERATURE (F)   63        MM        MM


SUNRISE AND SUNSET
AUGUST 20 2026........SUNRISE   612 AM CDT   SUNSET   745 PM CDT
AUGUST 21 2026........SUNRISE   613 AM CDT   SUNSET   743 PM CDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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