Climatological Report (Daily)
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CDUS43 KLOT 170634
CLIDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT TUE OCT 17 2017


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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR OCTOBER 16 2017...

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


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         62    317 PM  78    1998  63     -1       72
  MINIMUM         37    613 AM  30    2002  42     -5       65
  AVERAGE         50                        52     -2       69

PRECIPITATION (IN)
  YESTERDAY        0.00          0.65        0.10  -0.10     0.20
  MONTH TO DATE    6.77                      1.73   5.04     1.18
  SINCE SEP 1      7.07                      5.02   2.05     2.09
  SINCE JAN 1     33.63                     30.65   2.98    28.35

DEGREE DAYS
 HEATING
  YESTERDAY       15                        13      2        0
  MONTH TO DATE   59                       171   -112      101
  SINCE SEP 1    142                       273   -131      128
  SINCE JUL 1    154                       282   -128      129

 COOLING
  YESTERDAY        0                         0      0        4
  MONTH TO DATE   15                        11      4        9
  SINCE SEP 1    144                        90     54      148
  SINCE JAN 1    694                       814   -120      994
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION  SW (240)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED     6.4



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


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


THE DU PAGE  AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   63        83      2016
 MINIMUM TEMPERATURE (F)   41        28      2004


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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