Climatological Report (Daily)
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CDUS43 KLOT 110633
CLIDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1231 AM CST MON DEC 11 2017


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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR DECEMBER 10 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         34    110 PM  57    2015  37     -3       24
  MINIMUM         17   1215 AM -10    2013  21     -4       17
  AVERAGE         26                        29     -3       21

PRECIPITATION (IN)
  YESTERDAY        0.00          0.80        0.06  -0.06     0.06
  MONTH TO DATE    0.41                      0.64  -0.23     0.47
  SINCE DEC 1      0.41                      0.64  -0.23     0.47
  SINCE JAN 1     36.97                     35.83   1.14    31.76

DEGREE DAYS
 HEATING
  YESTERDAY       39                        36      3       44
  MONTH TO DATE  321                       344    -23      364
  SINCE DEC 1    321                       344    -23      364
  SINCE JUL 1   1531                      1598    -67     1275

 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   7   RESULTANT WIND DIRECTION   W (250)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     9.9



WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


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


THE DU PAGE  AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   36        51      2015
 MINIMUM TEMPERATURE (F)   20        -5      2013


SUNRISE AND SUNSET
DECEMBER 11 2017......SUNRISE   711 AM CST   SUNSET   422 PM CST
DECEMBER 12 2017......SUNRISE   712 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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