Climatological Report (Monthly)
Issued by NWS

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000
CXUS53 KILX 011407
CLMDEC

CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
907 AM CDT FRI OCT 01 2021

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

...THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2021...

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              47   09/24/2021
HIGHEST           92   09/18         MM      MM       88
LOWEST            47R  09/24         MM      MM       37
AVG. MAXIMUM    83.1               78.9     4.2     78.2
AVG. MINIMUM    58.3               55.0     3.3     54.4
MEAN            70.7               67.0     3.7     66.3
DAYS MAX >= 90     4                3.9     0.1        0
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          3.19               2.98    0.21     1.73
DAILY AVG.      0.11               0.10    0.01     0.06
DAYS >= .01        9                8.9     0.1        6
DAYS >= .10        4                4.7    -0.7        3
DAYS >= .50        3                1.6     1.4        1
DAYS >= 1.00       1                0.8     0.2        1
GREATEST
 24 HR. TOTAL   1.25   09/21 TO 09/21               1.28


DEGREE DAYS
HEATING TOTAL     12                 66     -54       59
 SINCE 7/1        14                 71     -57       60
COOLING TOTAL    182                124      58      107
 SINCE 1/1      1265               1082     183     1096
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              8.4
HIGHEST WIND SPEED/DIRECTION    29/210    DATE  09/07
HIGHEST GUST SPEED/DIRECTION    40/220    DATE  09/07

AVERAGE RH (PERCENT)     67

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       3
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      11     FOG W/VIS <= 1/4 MILE      0
HAZE                      5

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

$$


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