Climatological Report (Daily)
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759
CDUS43 KLOT 202132
CLIDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
431 PM CDT FRI OCT 20 2017


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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR OCTOBER 20 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         78    239 PM  84    2003  62     16
  MINIMUM         48    550 AM  27    2002  41      7
  AVERAGE         63                        51     12

PRECIPITATION (IN)
  TODAY            0.00          0.17 2008   0.10  -0.10
  MONTH TO DATE    6.77                      2.12   4.65
  SINCE SEP 1      7.07                      5.41   1.66
  SINCE JAN 1     33.63                     31.04   2.59

DEGREE DAYS
 HEATING
  TODAY            2                        14    -12
  MONTH TO DATE   87                       225   -138
  SINCE SEP 1    170                       327   -157
  SINCE JUL 1    182                       336   -154

 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   7   RESULTANT WIND DIRECTION   S (180)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     7.3



WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG
  HAZE


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


THE DU PAGE  AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   61        79      2007
 MINIMUM TEMPERATURE (F)   40        29      2013
                                             2002


SUNRISE AND SUNSET
OCTOBER 20 2017.......SUNRISE   711 AM CDT   SUNSET   603 PM CDT
OCTOBER 21 2017.......SUNRISE   713 AM CDT   SUNSET   602 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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