Climatological Report (Daily)
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CDUS43 KLOT 180633
CLIDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT WED OCT 18 2017


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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR OCTOBER 17 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         69    249 PM  83    2016  63      6       83
  MINIMUM         41    254 AM  28    2004  41      0       66
  AVERAGE         55                        52      3       75

PRECIPITATION (IN)
  YESTERDAY        0.00          3.05        0.10  -0.10     0.00
  MONTH TO DATE    6.77                      1.83   4.94     1.18
  SINCE SEP 1      7.07                      5.12   1.95     2.09
  SINCE JAN 1     33.63                     30.75   2.88    28.35

DEGREE DAYS
 HEATING
  YESTERDAY       10                        13     -3        0
  MONTH TO DATE   69                       184   -115      101
  SINCE SEP 1    152                       286   -134      128
  SINCE JUL 1    164                       295   -131      129

 COOLING
  YESTERDAY        0                         0      0       10
  MONTH TO DATE   15                        11      4       19
  SINCE SEP 1    144                        90     54      158
  SINCE JAN 1    694                       814   -120     1004
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  12   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    11.9



WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HAZE


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


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


SUNRISE AND SUNSET
OCTOBER 18 2017.......SUNRISE   709 AM CDT   SUNSET   606 PM CDT
OCTOBER 19 2017.......SUNRISE   710 AM CDT   SUNSET   605 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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