230 
CDUS43 KLOT 180633
CLIDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT WED JUL 18 2012


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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR JULY 17 2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1997 TO 2012


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         97R   259 PM  96          85     12       MM
  MINIMUM         76   1159 PM  54          63     13       MM
  AVERAGE         87                        74     13       MM

PRECIPITATION (IN)
  YESTERDAY        0.00          0.90        0.15  -0.15    MM
  MONTH TO DATE    1.72                      1.91  -0.19    MM
  SINCE JAN 1     10.80                     18.82  -8.02    MM

SNOWFALL (IN)
  YESTERDAY        0.0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0       MM
  MONTH TO DATE    0                         0      0       MM
  SINCE JUN 1     27                        36     -9       MM
  SINCE JUL 1      0                         0      0       MM

 COOLING
  YESTERDAY       22                         9     13       MM
  MONTH TO DATE  272                       153    119       MM
  SINCE JUN 1    493                       331    162       MM
  SINCE JAN 1    625                       377    248       MM
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION   W (250)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     9.0



WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


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


THE DU PAGE  AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   85        90      2011
                                             2010
                                             2005
 MINIMUM TEMPERATURE (F)   63        55      2004


SUNRISE AND SUNSET
JULY 18 2012..........SUNRISE   534 AM CDT   SUNSET   824 PM CDT
JULY 19 2012..........SUNRISE   535 AM CDT   SUNSET   823 PM CDT


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




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