Climatological Report (Daily)
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CDUS43 KLOT 210644
CLIDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1242 AM CST SAT JAN 21 2017


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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR JANUARY 20 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         45R  1159 PM  43    2006  31     14       22
  MINIMUM         38    807 AM  -7    2008  15     23       10
  AVERAGE         42                        23     19       16

PRECIPITATION (IN)
  YESTERDAY        0.10          0.49        0.04   0.06     0.10
  MONTH TO DATE    1.91                      0.82   1.09     0.51
  SINCE DEC 1      3.05                      2.54   0.51     5.61
  SINCE JAN 1      1.91                      0.82   1.09     0.51

DEGREE DAYS
 HEATING
  YESTERDAY       23                        42    -19       49
  MONTH TO DATE  796                       838    -42      887
  SINCE DEC 1   2064                      2011     53     1705
  SINCE JUL 1   2975                      3265   -290     2782

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION   E (90)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     E (80)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     E (80)
  AVERAGE WIND SPEED     6.2



WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


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


THE DU PAGE  AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        40      1999
 MINIMUM TEMPERATURE (F)   15        -7      2011


SUNRISE AND SUNSET
JANUARY 21 2017.......SUNRISE   715 AM CST   SUNSET   455 PM CST
JANUARY 22 2017.......SUNRISE   714 AM CST   SUNSET   456 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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