AFOS product CLIDPA
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402 
CDUS43 KLOT 211246
CLIDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
645 AM CST FRI DEC 21 2012


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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR DECEMBER 20 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         49R   153 PM  49          34     15       39
  MINIMUM         32   1159 PM  -9          18     14       31
  AVERAGE         41                        26     15       35

PRECIPITATION (IN)
  YESTERDAY        0.79R         0.79        0.05   0.74      T
  MONTH TO DATE    1.48                      1.20   0.28     1.87
  SINCE DEC 1      1.48                      1.20   0.28     1.87
  SINCE JAN 1     21.33                     36.39 -15.06     2.76

SNOWFALL (IN)
  YESTERDAY       MM

DEGREE DAYS
 HEATING
  YESTERDAY       24                        39    -15       30
  MONTH TO DATE  514                       725   -211      619
  SINCE DEC 1    514                       725   -211      619
  SINCE JUL 1   1943                      1979    -36      794

 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   3   RESULTANT WIND DIRECTION   N (10)
  HIGHEST WIND SPEED    36   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    51   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED    17.0



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


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


THE DU PAGE  AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   33        51      2006
 MINIMUM TEMPERATURE (F)   17        -8      2000


SUNRISE AND SUNSET
DECEMBER 21 2012......SUNRISE   718 AM CST   SUNSET   425 PM CST
DECEMBER 22 2012......SUNRISE   718 AM CST   SUNSET   426 PM CST


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




$$
743 
CDUS43 KLOT 211835 CCA
CLIDPA

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
645 AM CST FRI DEC 21 2012


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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR DECEMBER 20 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         49R   153 PM  40          34     15       39
  MINIMUM         32   1159 PM  -9          18     14       31
  AVERAGE         41                        26     15       35

PRECIPITATION (IN)
  YESTERDAY        0.79R         0.20        0.05   0.74      T
  MONTH TO DATE    1.48                      1.20   0.28     1.87
  SINCE DEC 1      1.48                      1.20   0.28     1.87
  SINCE JAN 1     21.33                     36.39 -15.06     2.76

SNOWFALL (IN)
  YESTERDAY       MM

DEGREE DAYS
 HEATING
  YESTERDAY       24                        39    -15       30
  MONTH TO DATE  514                       725   -211      619
  SINCE DEC 1    514                       725   -211      619
  SINCE JUL 1   1943                      1979    -36      794

 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   3   RESULTANT WIND DIRECTION   N (10)
  HIGHEST WIND SPEED    36   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    51   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED    17.0



WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.

  HEAVY RAIN
  RAIN
  LIGHT RAIN
  LIGHT SNOW
  FOG


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


THE DU PAGE  AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   33        51      2006
 MINIMUM TEMPERATURE (F)   17        -8      2000


SUNRISE AND SUNSET
DECEMBER 21 2012......SUNRISE   718 AM CST   SUNSET   425 PM CST
DECEMBER 22 2012......SUNRISE   718 AM CST   SUNSET   426 PM CST


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




$$