Climatological Report (Daily)
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CDUS43 KLOT 130633
CLIDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1232 AM CST WED DEC 13 2017


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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR DECEMBER 12 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         30   1218 AM  58    2015  36     -6       31
  MINIMUM         15    704 PM -10    2013  20     -5        5
  AVERAGE         23                        28     -5       18

PRECIPITATION (IN)
  YESTERDAY        T             0.54        0.06  -0.06      T
  MONTH TO DATE    0.47                      0.75  -0.28     0.72
  SINCE DEC 1      0.47                      0.75  -0.28     0.72
  SINCE JAN 1     37.03                     35.94   1.09    32.01

DEGREE DAYS
 HEATING
  YESTERDAY       42                        37      5       47
  MONTH TO DATE  400                       418    -18      448
  SINCE DEC 1    400                       418    -18      448
  SINCE JUL 1   1610                      1672    -62     1359

 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  11   RESULTANT WIND DIRECTION  NW (310)
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION    NW (330)
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED    12.7



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


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


THE DU PAGE  AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   36        61      2015
 MINIMUM TEMPERATURE (F)   20        -9      2000


SUNRISE AND SUNSET
DECEMBER 13 2017......SUNRISE   712 AM CST   SUNSET   422 PM CST
DECEMBER 14 2017......SUNRISE   713 AM CST   SUNSET   422 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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