182 
CDUS43 KLOT 160635
CLIDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1233 AM CST SUN DEC 16 2012


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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR DECEMBER 15 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         49   1153 PM  56          35     14       56
  MINIMUM         41    753 AM  -2          19     22       32
  AVERAGE         45                        27     18       44

PRECIPITATION (IN)
  YESTERDAY        0.31R         0.06        0.06   0.25     0.02
  MONTH TO DATE    0.67                      0.92  -0.25     1.84
  SINCE DEC 1      0.67                      0.92  -0.25     1.84
  SINCE JAN 1     20.52                     36.11 -15.59     2.73

SNOWFALL (IN)
  YESTERDAY        0.0

DEGREE DAYS
 HEATING
  YESTERDAY       20                        38    -18       21
  MONTH TO DATE  377                       531   -154      461
  SINCE DEC 1    377                       531   -154      461
  SINCE JUL 1   1806                      1785     21      636

 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  11   RESULTANT WIND DIRECTION   S (170)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     S (160)
  AVERAGE WIND SPEED    12.3



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


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


THE DU PAGE  AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   35        54      2006
 MINIMUM TEMPERATURE (F)   19         5      2009


SUNRISE AND SUNSET
DECEMBER 16 2012......SUNRISE   715 AM CST   SUNSET   423 PM CST
DECEMBER 17 2012......SUNRISE   715 AM CST   SUNSET   423 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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