AFOS product CLIDPA
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CDUS43 KLOT 200639
CLIDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
137 AM CDT THU SEP 20 2012


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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 19 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         73    320 PM  85          75     -2       MM
  MINIMUM         38R   528 AM  47          51    -13       MM
  AVERAGE         56                        63     -7       MM

PRECIPITATION (IN)
  YESTERDAY        0.00          2.60        0.10  -0.10    MM
  MONTH TO DATE    1.14                      2.04  -0.90    MM
  SINCE SEP 1      1.14                      2.04  -0.90    MM
  SINCE JAN 1     15.41                     27.67 -12.26    MM

SNOWFALL (IN)
  YESTERDAY       MM

DEGREE DAYS
 HEATING
  YESTERDAY        9                         4      5       MM
  MONTH TO DATE   44                        38      6       MM
  SINCE SEP 1     44                        38      6       MM
  SINCE JUL 1     50                        47      3       MM

 COOLING
  YESTERDAY        0                         2     -2       MM
  MONTH TO DATE   77                        65     12       MM
  SINCE SEP 1     77                        65     12       MM
  SINCE JAN 1   1089                       789    300       MM
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  12   RESULTANT WIND DIRECTION   S (190)
  HIGHEST WIND SPEED    31   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    43   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED    13.6



WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


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


THE DU PAGE  AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        85      1998
 MINIMUM TEMPERATURE (F)   51        40      2003


SUNRISE AND SUNSET
SEPTEMBER 20 2012.....SUNRISE   639 AM CDT   SUNSET   653 PM CDT
SEPTEMBER 21 2012.....SUNRISE   640 AM CDT   SUNSET   651 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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