Climatological Report (Monthly)
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000
CXUS43 KLOT 012336
CLMDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
624 PM CDT SAT SEP 1 2018

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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1997 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              97   08/02/2006
 LOW               43   08/31/2009
HIGHEST            95   08/04        MM      MM       89
LOWEST             53   08/23        MM      MM       46
AVG. MAXIMUM     84.6              82.5     2.1     79.4
AVG. MINIMUM     63.2              61.4     1.8     57.4
MEAN             73.9              72.0     1.9     68.4

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         6.19   2002
 MINIMUM         1.33   2003
TOTALS           4.48              4.60   -0.12     1.92

DEGREE_DAYS
HEATING TOTAL       1                 7      -6       11
 SINCE 7/1          1                 9      -8       12
COOLING TOTAL     284               222      62      126
 SINCE 1/1        854               724     130      550
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              6.6
HIGHEST WIND SPEED/DIRECTION    36/300    DATE  08/28
HIGHEST GUST SPEED/DIRECTION    59/300    DATE  08/28

AVERAGE RH (PERCENT)     74


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

$$



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