Climatological Report (Monthly)
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000
CXUS43 KLOT 011125
CLMDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
617 AM CDT TUE SEP 1 2015

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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1997 TO 2015

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            91   08/02                         89
LOWEST             47   08/27                         50
AVG. MAXIMUM     80.2              82.5    -2.3     83.4
AVG. MINIMUM     59.7              61.4    -1.7     62.7
MEAN             70.0              72.0    -2.0     73.1

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         6.19   2002
 MINIMUM         1.33   2003
TOTALS           3.15              4.60   -1.45     5.86

DEGREE_DAYS
HEATING TOTAL      15                 7       8        0
 SINCE 7/1         33                 9      24        9
COOLING TOTAL     176               222     -46      259
 SINCE 1/1        572               724    -152      689
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              7.0
HIGHEST WIND SPEED/DIRECTION    37/360    DATE  08/14
HIGHEST GUST SPEED/DIRECTION    45/360    DATE  08/14

AVERAGE RH (PERCENT)     71


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

$$




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