Climatological Report (Monthly)
Issued by NWS

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391
CXUS53 KILX 011548
CLMDEC

CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
1048 AM CDT SAT AUG 01 2026

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

...THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JULY 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 2000 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH            104   07/06/2012
                       07/05/2012
 LOW              46   07/02/2001
HIGHEST           94   07/27         MM      MM       94
LOWEST            51   07/23         MM      MM       66
AVG. MAXIMUM    85.2               85.8    -0.6     89.0
AVG. MINIMUM    66.5               65.6     0.9     71.4
MEAN            75.8               75.7     0.1     80.2
DAYS MAX >= 90     8                9.0    -1.0       14
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        9.16   2008
 MINIMUM        0.57   2011
TOTALS          2.70               3.32   -0.62     7.80
DAILY AVG.      0.09               0.11   -0.02     0.25
DAYS >= .01        9               10.0    -1.0       13
DAYS >= .10        6                5.5     0.5        9
DAYS >= .50        2                2.4    -0.4        5
DAYS >= 1.00       0                1.0    -1.0        2
GREATEST
 24 HR. TOTAL   1.16   07/10 TO 07/11               2.65


DEGREE DAYS
HEATING TOTAL      1                  1       0        0
 SINCE 7/1         1                  0       1       MM
COOLING TOTAL    345                333      12      477
 SINCE 1/1       684                685      -1       MM
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              6.4
HIGHEST WIND SPEED/DIRECTION    36/230    DATE  07/03
HIGHEST GUST SPEED/DIRECTION    52/200    DATE  07/03

AVERAGE RH (PERCENT)     77

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              8     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                       7
LIGHT RAIN               11     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      21     FOG W/VIS <= 1/4 MILE      1
HAZE                      6

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

$$