Climatological Report (Monthly)
Issued by NWS

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213
CXUS53 KLOT 011517
CLMARR

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1017 AM CDT FRI AUG 01 2025

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

...THE AURORA MUNICIPAL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JULY 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            102   07/07/2012
 LOW              44   07/02/2005
                       07/02/2001
HIGHEST           94   07/05                          89  07/13
                       07/23                              07/15
LOWEST            54   07/18                          49  07/01
AVG. MAXIMUM    86.7               84.4     2.3     83.3
AVG. MINIMUM    66.0               61.8     4.2     61.6
MEAN            76.4               73.1     3.3     72.5
DAYS MAX >= 90    11                6.0     5.0        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        8.30   2023
 MINIMUM        1.13   2018
TOTALS          4.97               3.71    1.26     5.39
DAILY AVG.      0.16               0.12    0.04     0.17
DAYS >= .01       14               10.5     3.5       14
DAYS >= .10        9                6.3     2.7        8
DAYS >= .50        5                2.3     2.7        4
DAYS >= 1.00       1                0.9     0.1        2
GREATEST
 24 HR. TOTAL   1.45   07/10 TO 07/11               1.91

DEGREE DAYS
HEATING TOTAL      0                  6      -6        1
 SINCE 7/1         0                  0       0       MM
COOLING TOTAL    358                256     102      240
 SINCE 1/1       672                495     177       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.8
HIGHEST WIND SPEED/DIRECTION    30/230    DATE  07/16
HIGHEST GUST SPEED/DIRECTION    46/210    DATE  07/16

AVERAGE RH (PERCENT)     74

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              9     MIXED PRECIP               0
HEAVY RAIN                8     RAIN                       7
LIGHT RAIN               17     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      29     FOG W/VIS <= 1/4 MILE      3
HAZE                     24

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

$$