Climatological Report (Daily)
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CDUS43 KLOT 170631
CLIDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1231 AM CST SUN DEC 17 2017


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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR DECEMBER 16 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1997 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         46    317 PM  54    2015  35     11       20
                                      2006
  MINIMUM         25   1011 PM   3    2013  19      6        8
  AVERAGE         36                        27      9       14

PRECIPITATION (IN)
  YESTERDAY        0.00          0.17        0.05  -0.05     0.07
  MONTH TO DATE    0.47                      0.97  -0.50     0.79
  SINCE DEC 1      0.47                      0.97  -0.50     0.79
  SINCE JAN 1     37.03                     36.16   0.87    32.08

DEGREE DAYS
 HEATING
  YESTERDAY       29                        38     -9       51
  MONTH TO DATE  546                       569    -23      675
  SINCE DEC 1    546                       569    -23      675
  SINCE JUL 1   1756                      1823    -67     1586

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    695                       814   -119     1007
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION  SW (210)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     6.9



WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


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


THE DU PAGE  AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   34        54      2006
 MINIMUM TEMPERATURE (F)   18        -2      2000


SUNRISE AND SUNSET
DECEMBER 17 2017......SUNRISE   715 AM CST   SUNSET   423 PM CST
DECEMBER 18 2017......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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