355
CXUS53 KILX 011527
CLMMTO

CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
1027 AM CDT MON JUN 01 2026

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

...THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MAY 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             94   05/28/2018
 LOW              31   05/09/2020
                       05/03/2005
HIGHEST           85   05/28         MM      MM       86
LOWEST            38   05/07         MM      MM       44
AVG. MAXIMUM    72.6               73.9    -1.3     71.9
AVG. MINIMUM    52.1               54.0    -1.9     53.4
MEAN            62.3               63.9    -1.6     62.6
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.2    -0.2        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       12.57   2002
 MINIMUM        1.01   2007
TOTALS          3.63               3.86   -0.23     3.86
DAILY AVG.      0.12               0.12   -0.00     0.12
DAYS >= .01        9               11.9    -2.9       11
DAYS >= .10        6                7.6    -1.6        6
DAYS >= .50        2                2.2    -0.2        3
DAYS >= 1.00       1                0.9     0.1        1
GREATEST
 24 HR. TOTAL   1.59   05/04 TO 05/05               1.50


DEGREE DAYS
HEATING TOTAL    140                124      16      116
 SINCE 7/1      4704               5285    -581       MM
COOLING TOTAL     66                 91     -25       48
 SINCE 1/1       129                106      23       MM
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              8.2
HIGHEST WIND SPEED/DIRECTION    30/340    DATE  05/04
HIGHEST GUST SPEED/DIRECTION    41/180    DATE  05/04
                                41/330          05/13

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              6     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                       4
LIGHT RAIN               15     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      14     FOG W/VIS <= 1/4 MILE      2
HAZE                      2

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

$$