911 
CDUS43 KLOT 110633
CLIDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1232 AM CST TUE DEC 11 2012


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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR DECEMBER 10 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         37   1252 AM  54          37      0       26
  MINIMUM         29    704 AM   1          21      8        9
  AVERAGE         33                        29      4       18

PRECIPITATION (IN)
  YESTERDAY        T             0.80        0.06  -0.06     0.00
  MONTH TO DATE    0.36                      0.64  -0.28     0.50
  SINCE DEC 1      0.36                      0.64  -0.28     0.50
  SINCE JAN 1     20.21                     35.83 -15.62     1.39

SNOWFALL (IN)
  YESTERDAY       MM

DEGREE DAYS
 HEATING
  YESTERDAY       32                        36     -4       47
  MONTH TO DATE  230                       344   -114      333
  SINCE DEC 1    230                       344   -114      333
  SINCE JUL 1   1659                      1598     61      508

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1   1093                       814    279        0
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  10   RESULTANT WIND DIRECTION   W (290)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED    10.9



WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG


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


THE DU PAGE  AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   36        46      2001
                                             1998
 MINIMUM TEMPERATURE (F)   20         3      2005


SUNRISE AND SUNSET
DECEMBER 11 2012......SUNRISE   711 AM CST   SUNSET   422 PM CST
DECEMBER 12 2012......SUNRISE   712 AM CST   SUNSET   422 PM CST


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




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