Climatological Report (Daily)
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CDUS43 KLOT 170633
CLIDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1232 AM CST WED JAN 17 2018


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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR JANUARY 16 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1997 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         21    156 PM  46    2006  31    -10       37
  MINIMUM          4    202 AM -22    2009  15    -11       31
  AVERAGE         13                        23    -10       34

PRECIPITATION (IN)
  YESTERDAY        0.01          0.75        0.04  -0.03     0.75
  MONTH TO DATE    0.28                      0.67  -0.39     1.22
  SINCE DEC 1      0.91                      2.39  -1.48     2.36
  SINCE JAN 1      0.28                      0.67  -0.39     1.22

DEGREE DAYS
 HEATING
  YESTERDAY       52                        42     10       31
  MONTH TO DATE  816                       670    146      682
  SINCE DEC 1   2056                      1843    213     1950
  SINCE JUL 1   3266                      3097    169     2861

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION  NW (300)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     9.4



WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  SNOW
  LIGHT SNOW
  FOG
  HAZE


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


THE DU PAGE  AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        42      2015
                                             2006
 MINIMUM TEMPERATURE (F)   15        -2      2016


SUNRISE AND SUNSET
JANUARY 17 2018.......SUNRISE   717 AM CST   SUNSET   449 PM CST
JANUARY 18 2018.......SUNRISE   717 AM CST   SUNSET   451 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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