383
CXUS53 KILX 011501
CLMDEC

CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
915 AM CST THU JAN 1 2026

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

...THE DECATUR 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           MM   MM            MM      MM       62
LOWEST            MM   MM           MM      MM       13
AVG. MAXIMUM    38.3               39.7    -1.4     43.4
AVG. MINIMUM    20.1               25.2    -5.1     28.0
MEAN            29.2               32.4    -3.2     35.7
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32    14                8.0     6.0        6
DAYS MIN <= 32    27               23.6     3.4       19
DAYS MIN <= 0      3                0.5     2.5        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM          MM   MM
 MINIMUM          MM   MM
TOTALS          0.82               2.12   -1.30     1.73
DAILY AVG.      0.03               0.07   -0.04     0.06
DAYS >= .01        4                8.9    -4.9       11
DAYS >= .10        2                4.8    -2.8        4
DAYS >= .50        0                1.5    -1.5        2
DAYS >= 1.00       0                0.4    -0.4        0
GREATEST
 24 HR. TOTAL   0.45   12/27 TO 12/28               0.57


DEGREE DAYS
HEATING TOTAL   1102               1009      93      902
 SINCE 7/1      1988               2072     -84     1656
COOLING TOTAL      0                  0       0        0
 SINCE 1/1      1479               1105     374     1292
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              11.2
HIGHEST WIND SPEED/DIRECTION    36/280    DATE  12/28
HIGHEST GUST SPEED/DIRECTION    54/290    DATE  12/28

AVERAGE RH (PERCENT)     78

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       1
LIGHT RAIN                4     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       2
LIGHT SNOW                7     SLEET                      0
FOG                      16     FOG W/VIS <= 1/4 MILE      6
HAZE                      8

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

$$