Climatological Report (Daily)
Issued by NWS

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383
CDUS43 KILX 182128
CLIMTO

CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
428 PM CDT TUE AUG 18 2026

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

...THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR AUGUST 18 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1998 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         82    238 PM  MM      MM  84     -2       92
  MINIMUM         63    535 AM  MM      MM  64     -1       73
  AVERAGE         73                        74     -1       83

PRECIPITATION (IN)
  TODAY            0.00         MM      MM   0.06  -0.06     0.00
  MONTH TO DATE    3.61                      1.36   2.25     0.30
  SINCE JUN 1     15.57                     10.04   5.53     9.59
  SINCE JAN 1     33.94                     24.11   9.83    24.10

DEGREE DAYS
 HEATING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1      0                        13    -13        1
  SINCE JUL 1      0                         1     -1        0

 COOLING
  TODAY            8                         9     -1       18
  MONTH TO DATE  213                       174     39      209
  SINCE JUN 1    782                       749     33      930
  SINCE JAN 1    911                       855     56      987
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED     2.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           100 AM
 LOWEST     58           100 PM
 AVERAGE    76

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


THE MATTOON 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 18 2026........SUNRISE   609 AM CDT   SUNSET   745 PM CDT
AUGUST 19 2026........SUNRISE   609 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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