AFOS product CLIDPA
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CDUS43 KLOT 180654
CLIDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
153 AM CDT TUE SEP 18 2012


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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 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         79    237 PM  84          75      4       MM
  MINIMUM         50    533 AM  40          52     -2       MM
  AVERAGE         65                        64      1       MM

PRECIPITATION (IN)
  YESTERDAY        0.34R         0.25        0.09   0.25    MM
  MONTH TO DATE    1.14                      1.84  -0.70    MM
  SINCE SEP 1      1.14                      1.84  -0.70    MM
  SINCE JAN 1     15.41                     27.47 -12.06    MM

SNOWFALL (IN)
  YESTERDAY       MM

DEGREE DAYS
 HEATING
  YESTERDAY        0                         3     -3       MM
  MONTH TO DATE   22                        30     -8       MM
  SINCE SEP 1     22                        30     -8       MM
  SINCE JUL 1     28                        39    -11       MM

 COOLING
  YESTERDAY        0                         2     -2       MM
  MONTH TO DATE   77                        61     16       MM
  SINCE SEP 1     77                        61     16       MM
  SINCE JAN 1   1089                       785    304       MM
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION  SW (230)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED     8.0



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


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


THE DU PAGE  AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   75        88      2007
 MINIMUM TEMPERATURE (F)   52        44      1999


SUNRISE AND SUNSET
SEPTEMBER 18 2012.....SUNRISE   637 AM CDT   SUNSET   656 PM CDT
SEPTEMBER 19 2012.....SUNRISE   638 AM CDT   SUNSET   655 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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