AFOS product CLIDPA
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CDUS43 KLOT 040635
CLIDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT TUE SEP 4 2012


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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 3 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         90R   349 PM  90          80     10       MM
  MINIMUM         66    251 AM  51          58      8       MM
  AVERAGE         78                        69      9       MM

PRECIPITATION (IN)
  YESTERDAY        0.00          0.19        0.11  -0.11    MM
  MONTH TO DATE    0.04                      0.33  -0.29    MM
  SINCE SEP 1      0.04                      0.33  -0.29    MM
  SINCE JAN 1     14.31                     25.96 -11.65    MM

SNOWFALL (IN)
  YESTERDAY        0.0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         1     -1       MM
  MONTH TO DATE    0                         3     -3       MM
  SINCE SEP 1      0                         3     -3       MM
  SINCE JUL 1      6                        12     -6       MM

 COOLING
  YESTERDAY       13                         5      8       MM
  MONTH TO DATE   31                        15     16       MM
  SINCE SEP 1     31                        15     16       MM
  SINCE JAN 1   1043                       739    304       MM
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION   E (70)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION     E (80)
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION    NE (50)
  AVERAGE WIND SPEED     4.4



WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  HAZE


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


THE DU PAGE  AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   80        92      1999
 MINIMUM TEMPERATURE (F)   58        49      2000


SUNRISE AND SUNSET
SEPTEMBER  4 2012.....SUNRISE   622 AM CDT   SUNSET   721 PM CDT
SEPTEMBER  5 2012.....SUNRISE   623 AM CDT   SUNSET   719 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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