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CXUS53 KILX 011501
CLMMTO

CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
901 AM CST THU JAN 01 2026

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

...THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2025...

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              MM   MM
HIGHEST           63   12/26         MM      MM       59
LOWEST            -9   12/14         MM      MM        9
AVG. MAXIMUM    37.6               40.0    -2.4     42.5
AVG. MINIMUM    22.7               26.0    -3.3     28.0
MEAN            30.2               33.0    -2.8     35.3
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32    14                7.9     6.1        6
DAYS MIN <= 32    23               22.7     0.3       20
DAYS MIN <= 0      3                0.5     2.5        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM          MM   MM
 MINIMUM          MM   MM
TOTALS          0.65               1.84   -1.19     3.07
DAILY AVG.      0.02               0.06   -0.04     0.10
DAYS >= .01        4                7.6    -3.6       15
DAYS >= .10        2                4.2    -2.2        8
DAYS >= .50        0                1.3    -1.3        1
DAYS >= 1.00       0                0.3    -0.3        1
GREATEST
 24 HR. TOTAL   0.32   12/18 TO 12/18               1.24


DEGREE DAYS
HEATING TOTAL    971                992     -21      913
 SINCE 7/1      1816               2034    -218     1700
COOLING TOTAL      0                  0       0        0
 SINCE 1/1      1273               1117     156     1091
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              10.1
HIGHEST WIND SPEED/DIRECTION    32/300    DATE  12/10
                                32/280          12/19
HIGHEST GUST SPEED/DIRECTION    49/270    DATE  12/19

AVERAGE RH (PERCENT)     78

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       1
LIGHT RAIN                3     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       2
LIGHT SNOW               10     SLEET                      0
FOG                      16     FOG W/VIS <= 1/4 MILE      6
HAZE                      1

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

$$