Climatological Report (Monthly)
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995
CXUS53 KILX 011623
CLMDEC

CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
1123 AM CDT WED OCT 01 2025

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

...THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 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              42   09/08/2025
HIGHEST           99   09/14         MM      MM       92
LOWEST            42R  09/08         MM      MM       43
AVG. MAXIMUM    85.8               78.9     6.9     81.6
AVG. MINIMUM    56.5               55.0     1.5     56.9
MEAN            71.2               67.0     4.2     69.3
DAYS MAX >= 90    10                4.0     6.0        7
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          MM   MM
 MINIMUM          MM   MM
TOTALS          1.14               2.98   -1.84     1.84
DAILY AVG.      0.04               0.10   -0.06     0.06
DAYS >= .01        6                8.9    -2.9        6
DAYS >= .10        2                4.7    -2.7        6
DAYS >= .50        1                1.6    -0.6        1
DAYS >= 1.00       0                0.8    -0.8        1
GREATEST
 24 HR. TOTAL   0.71   09/19 TO 09/20               1.35


DEGREE DAYS
HEATING TOTAL     15                 66     -51       17
 SINCE 7/1        16                 71     -55       MM
COOLING TOTAL    207                124      83      154
 SINCE 1/1      1433               1082     351       MM
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              5.3
HIGHEST WIND SPEED/DIRECTION    30/190    DATE  09/20
HIGHEST GUST SPEED/DIRECTION    39/190    DATE  09/20

AVERAGE RH (PERCENT)     60

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              5     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       2
LIGHT RAIN                6     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       7     FOG W/VIS <= 1/4 MILE      0
HAZE                      9

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

$$