Climatological Report (Monthly)
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000
CXUS43 KLOT 011328
CLMDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
817 AM CDT SAT AUG 1 2015

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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JULY 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             100   07/07/2012
                        07/06/2012
                        07/24/2005
 LOW               42   07/02/2001
HIGHEST            91   07/17        MM      MM       91
LOWEST             48   07/02        MM      MM       51
AVG. MAXIMUM     81.9              85.1    -3.2     80.1
AVG. MINIMUM     60.8              62.7    -1.9     58.6
MEAN             71.4              73.9    -2.5     69.4

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         7.50   2010
 MINIMUM         1.45   2006
TOTALS           3.26              4.12   -0.86     2.18

DEGREE_DAYS
HEATING TOTAL      18                 2      16        9
 SINCE 7/1         18                 2      16        9
COOLING TOTAL     222               278     -56      152
 SINCE 1/1        396               502    -106      430
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              6.7
HIGHEST WIND SPEED/DIRECTION    38/350    DATE  07/17
HIGHEST GUST SPEED/DIRECTION    50/360    DATE  07/17

AVERAGE RH (PERCENT)     70


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

$$



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