Climatological Report (Daily)
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CDUS43 KLOT 150633
CLIDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1233 AM CST FRI DEC 15 2017


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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR DECEMBER 14 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         27    111 PM  61    2015  35     -8       19
  MINIMUM         14   1025 PM  -5    2016  19     -5       -5
  AVERAGE         21                        27     -6        7

PRECIPITATION (IN)
  YESTERDAY        0.00          1.25        0.05  -0.05      T
  MONTH TO DATE    0.47                      0.86  -0.39     0.72
  SINCE DEC 1      0.47                      0.86  -0.39     0.72
  SINCE JAN 1     37.03                     36.05   0.98    32.01

DEGREE DAYS
 HEATING
  YESTERDAY       44                        38      6       58
  MONTH TO DATE  480                       493    -13      562
  SINCE DEC 1    480                       493    -13      562
  SINCE JUL 1   1690                      1747    -57     1473

 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   5   RESULTANT WIND DIRECTION  NW (330)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     N (340)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     N (350)
  AVERAGE WIND SPEED     6.9



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)   35        56      2011
 MINIMUM TEMPERATURE (F)   19        -3      2016


SUNRISE AND SUNSET
DECEMBER 15 2017......SUNRISE   714 AM CST   SUNSET   423 PM CST
DECEMBER 16 2017......SUNRISE   715 AM CST   SUNSET   423 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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