208
CXUS53 KILX 011742
CLMMTO

CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
1242 PM CDT TUE SEP 01 2026

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

...THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2026...

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

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             99   08/25/2023
                       08/24/2023
                       08/02/2012
 LOW              47   08/15/2011
                       08/12/2004
HIGHEST           93   08/31         MM      MM       94
LOWEST            56   08/24         MM      MM       50
                       08/25
AVG. MAXIMUM    84.1               84.2    -0.1     83.8
AVG. MINIMUM    66.1               63.5     2.6     62.4
MEAN            75.1               73.9     1.2     73.1
DAYS MAX >= 90     3                5.0    -2.0        5
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.0     0.0        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        5.94   2000
 MINIMUM        0.37   2013
TOTALS          3.83               2.42    1.41     0.39
DAILY AVG.      0.12               0.08    0.04     0.01
DAYS >= .01       10                9.1     0.9        4
DAYS >= .10        4                4.9    -0.9        1
DAYS >= .50        3                1.9     1.1        0
DAYS >= 1.00       1                0.6     0.4        0
GREATEST
 24 HR. TOTAL   2.26   08/14 TO 08/14               0.29


DEGREE DAYS
HEATING TOTAL      0                  3      -3        4
 SINCE 7/1         0                  1      -1       MM
COOLING TOTAL    322                277      45      263
 SINCE 1/1      1020                958      62       MM
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              6.1
HIGHEST WIND SPEED/DIRECTION    35/360    DATE  08/13
HIGHEST GUST SPEED/DIRECTION    46/030    DATE  08/14

AVERAGE RH (PERCENT)     77

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              9     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       5
LIGHT RAIN                9     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      20     FOG W/VIS <= 1/4 MILE      1
HAZE                      0

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

$$