286 
CDUS43 KLOT 150632
CLIDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
131 AM CDT MON OCT 15 2012


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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR OCTOBER 14 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         69   1231 PM  77          64      5       MM
  MINIMUM         47   1059 PM  28          42      5       MM
  AVERAGE         58                        53      5       MM

PRECIPITATION (IN)
  YESTERDAY        0.96R         0.93        0.11   0.85    MM
  MONTH TO DATE    1.60                      1.52   0.08    MM
  SINCE SEP 1      2.90                      4.81  -1.91    MM
  SINCE JAN 1     17.17                     30.44 -13.27    MM

SNOWFALL (IN)
  YESTERDAY       MM

DEGREE DAYS
 HEATING
  YESTERDAY        7                        12     -5       MM
  MONTH TO DATE  211                       145     66       MM
  SINCE SEP 1    362                       247    115       MM
  SINCE JUL 1    368                       256    112       MM

 COOLING
  YESTERDAY        0                         0      0       MM
  MONTH TO DATE    0                        11    -11       MM
  SINCE SEP 1     77                        90    -13       MM
  SINCE JAN 1   1089                       814    275       MM
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION  SW (230)
  HIGHEST WIND SPEED    35   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    43   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED    13.7



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)   64        79      1999
 MINIMUM TEMPERATURE (F)   42        27      2006
                                             1997


SUNRISE AND SUNSET
OCTOBER 15 2012.......SUNRISE   706 AM CDT   SUNSET   611 PM CDT
OCTOBER 16 2012.......SUNRISE   707 AM CDT   SUNSET   609 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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