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000
CXUS53 KILX 011428
CLMMTO

CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
928 AM CDT SUN OCT 01 2023

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

...THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 9999 TO 9999

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             MM   MM
 LOW              37   09/28/2022
HIGHEST           90   09/04         MM      MM       93
LOWEST            45   09/14         MM      MM       37
AVG. MAXIMUM    80.8               78.7     2.1     78.1
AVG. MINIMUM    56.6               56.1     0.5     56.5
MEAN            68.7               67.4     1.3     67.3
DAYS MAX >= 90     1                3.0    -2.0        2
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        3.57   2021
 MINIMUM        1.03   2022
TOTALS          1.68               2.85   -1.17     1.03
DAILY AVG.      0.06               0.09   -0.03     0.03
DAYS >= .01        7                7.8    -0.8        5
DAYS >= .10        4                3.8     0.2        4
DAYS >= .50        1                1.7    -0.7        0
DAYS >= 1.00       0                0.7    -0.7        0
GREATEST
 24 HR. TOTAL   1.02   09/20 TO 09/21               0.39


DEGREE DAYS
HEATING TOTAL     10                 61     -51       72
 SINCE 7/1        13                 65     -52       MM
COOLING TOTAL    127                133      -6      147
 SINCE 1/1      1019               1091     -72       MM
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              6.0
HIGHEST WIND SPEED/DIRECTION    30/330    DATE  09/17
HIGHEST GUST SPEED/DIRECTION    39/350    DATE  09/17

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              5     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       4
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      15     FOG W/VIS <= 1/4 MILE      4
HAZE                      2

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

$$