Climatological Report (Daily)
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CDUS43 KLOT 172143
CLIDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
442 PM CDT TUE OCT 17 2017


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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR OCTOBER 17 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1997 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE
                VALUE   (LST)  VALUE       VALUE  FROM
                                                  NORMAL
...............................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         69    249 PM  83    2016  63      6
  MINIMUM         41    254 AM  28    2004  41      0
  AVERAGE         55                        52      3

PRECIPITATION (IN)
  TODAY            0.00          3.05 1998   0.10  -0.10
  MONTH TO DATE    6.77                      1.83   4.94
  SINCE SEP 1      7.07                      5.12   1.95
  SINCE JAN 1     33.63                     30.75   2.88

DEGREE DAYS
 HEATING
  TODAY           10                        13     -3
  MONTH TO DATE   69                       184   -115
  SINCE SEP 1    152                       286   -134
  SINCE JUL 1    164                       295   -131

 COOLING
  TODAY            0                         0      0
  MONTH TO DATE   15                        11      4
  SINCE SEP 1    144                        90     54
  SINCE JAN 1    694                       814   -120
...............................................................


WIND (MPH)
  RESULTANT WIND SPEED  13   RESULTANT WIND DIRECTION  SW (210)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED    13.2



WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


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


THE DU PAGE  AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   62        78      2007
 MINIMUM TEMPERATURE (F)   41        27      2015


SUNRISE AND SUNSET
OCTOBER 17 2017.......SUNRISE   708 AM CDT   SUNSET   608 PM CDT
OCTOBER 18 2017.......SUNRISE   709 AM CDT   SUNSET   606 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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