Climatological Report (Daily)
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CDUS43 KLOT 160649
CLIDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1248 AM CST TUE JAN 16 2018


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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR JANUARY 15 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         22   1105 AM  42    2006  31     -9       36
  MINIMUM          7   1159 PM -17    2009  15     -8       16
  AVERAGE         15                        23     -8       26

PRECIPITATION (IN)
  YESTERDAY        0.01          0.12        0.03  -0.02     0.00
  MONTH TO DATE    0.27                      0.63  -0.36     0.47
  SINCE DEC 1      0.90                      2.35  -1.45     1.61
  SINCE JAN 1      0.27                      0.63  -0.36     0.47

DEGREE DAYS
 HEATING
  YESTERDAY       50                        42      8       39
  MONTH TO DATE  764                       628    136      651
  SINCE DEC 1   2004                      1801    203     1919
  SINCE JUL 1   3214                      3055    159     2830

 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   8   RESULTANT WIND DIRECTION  SW (220)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED    11.9



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


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


THE DU PAGE  AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        46      2006
 MINIMUM TEMPERATURE (F)   15       -22      2009


SUNRISE AND SUNSET
JANUARY 16 2018.......SUNRISE   718 AM CST   SUNSET   448 PM CST
JANUARY 17 2018.......SUNRISE   717 AM CST   SUNSET   449 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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