Climatological Report (Daily)
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CDUS43 KLOT 180645
CLIDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1244 AM CST THU DEC 18 2014


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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR DECEMBER 17 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1997 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         28   1253 AM  54    2006  34     -6       32
  MINIMUM         24   1159 PM  -2    2000  18      6       15
  AVERAGE         26                        26      0       24

PRECIPITATION (IN)
  YESTERDAY        0.00          0.05        0.06  -0.06     0.01
  MONTH TO DATE    0.22                      1.03  -0.81     0.42
  SINCE DEC 1      0.22                      1.03  -0.81     0.42
  SINCE JAN 1     29.08                     36.22  -7.14    34.60

SNOWFALL (IN)
  YESTERDAY       MM
  MONTH TO DATE    T
  SINCE JUL 1      0.9

DEGREE DAYS
 HEATING
  YESTERDAY       39                        39      0       41
  MONTH TO DATE  563                       608    -45      751
  SINCE DEC 1    563                       608    -45      751
  SINCE JUL 1   2022                      1862    160     2187

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    767                       814    -47      745
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  11   RESULTANT WIND DIRECTION  NW (300)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED    10.8



WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


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


THE DU PAGE  AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   34        54      2002
 MINIMUM TEMPERATURE (F)   18        -4      2000


SUNRISE AND SUNSET
DECEMBER 18 2014......SUNRISE   716 AM CST   SUNSET   424 PM CST
DECEMBER 19 2014......SUNRISE   716 AM CST   SUNSET   424 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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