976
CXUS53 KLOT 011008
CLMARR

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
508 AM CDT THU OCT 01 2026

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

...THE AURORA MUNICIPAL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             95   09/20/2018
                       09/13/2005
                       09/10/2013
 LOW              29   09/24/2012
HIGHEST           93   09/01                          91  09/29
                       09/02
LOWEST            43   09/28                          38  09/08
AVG. MAXIMUM    77.5               76.2     1.3     81.1
AVG. MINIMUM    58.1               51.6     6.5     52.2
MEAN            67.8               63.9     3.9     66.7
DAYS MAX >= 90     4                2.0     2.0        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        9.80   2008
 MINIMUM        0.52   2004
TOTALS          7.90               3.01    4.89     0.88
DAILY AVG.      0.26               0.10    0.16     0.03
DAYS >= .01       11               10.6     0.4        3
DAYS >= .10        5                4.9     0.1        3
DAYS >= .50        4                1.7     2.3        1
DAYS >= 1.00       3                0.9     2.1        0
GREATEST
 24 HR. TOTAL   3.15   09/16 TO 09/17               0.53

DEGREE DAYS
HEATING TOTAL     53                113     -60       61
 SINCE 7/1        57                131     -74       MM
COOLING TOTAL    143                 80      63      120
 SINCE 1/1       852                768      84       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.3
HIGHEST WIND SPEED/DIRECTION    23/050    DATE  09/20
HIGHEST GUST SPEED/DIRECTION    33/050    DATE  09/20

AVERAGE RH (PERCENT)     77

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       6
LIGHT RAIN               14     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      25     FOG W/VIS <= 1/4 MILE      4
HAZE                      4

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

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