112
CXUS53 KILX 011509
CLMDEC

CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
1009 AM CDT SUN JUN 01 2025

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

...THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MAY 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              31   05/12/2021
HIGHEST           91   05/15         MM      MM       90
LOWEST            42   05/09         MM      MM       50
AVG. MAXIMUM    74.6               74.4     0.2     78.4
AVG. MINIMUM    53.3               53.4    -0.1     57.3
MEAN            64.0               63.9     0.1     67.8
DAYS MAX >= 90     1                0.8     0.2        1
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        5.37   2021
 MINIMUM        1.81   2023
TOTALS          3.44               4.38   -0.94     4.82
DAILY AVG.      0.11               0.14   -0.03     0.16
DAYS >= .01       10               13.2    -3.2       14
DAYS >= .10        8                8.4    -0.4       10
DAYS >= .50        2                2.7    -0.7        3
DAYS >= 1.00       1                0.8     0.2        1
GREATEST
 24 HR. TOTAL   1.03   05/19 TO 05/20               1.78


DEGREE DAYS
HEATING TOTAL     89                128     -39       14
 SINCE 7/1      4726               5383    -657       MM
COOLING TOTAL     66                 94     -28      107
 SINCE 1/1        85                110     -25       MM
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.1
HIGHEST WIND SPEED/DIRECTION    MM        DATE   MM
HIGHEST GUST SPEED/DIRECTION    61/180    DATE  05/16

AVERAGE RH (PERCENT)     66

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              9     MIXED PRECIP               0
HEAVY RAIN                7     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                      10     FOG W/VIS <= 1/4 MILE      1
HAZE                      2

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

$$