Climatological Report (Daily)
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CDUS43 KLOT 182137
CLIDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
436 PM CDT WED OCT 18 2017


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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR OCTOBER 18 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         71    224 PM  78    2007  62      9
  MINIMUM         43    313 AM  27    2015  41      2
  AVERAGE         57                        52      5

PRECIPITATION (IN)
  TODAY            0.00          0.28 2007   0.10  -0.10
  MONTH TO DATE    6.77                      1.93   4.84
  SINCE SEP 1      7.07                      5.22   1.85
  SINCE JAN 1     33.63                     30.85   2.78

DEGREE DAYS
 HEATING
  TODAY            8                        13     -5
  MONTH TO DATE   77                       197   -120
  SINCE SEP 1    160                       299   -139
  SINCE JUL 1    172                       308   -136

 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  10   RESULTANT WIND DIRECTION   S (190)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION     S (180)
  AVERAGE WIND SPEED    10.2



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        75      2000
 MINIMUM TEMPERATURE (F)   41        28      1997


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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