Climatological Report (Daily)
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CDUS43 KLOT 220636
CLIDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1235 AM CST SUN JAN 22 2017


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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR JANUARY 21 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         59R   211 PM  40    1999  31     28       29
  MINIMUM         39    734 PM  -7    2011  15     24        9
  AVERAGE         49                        23     26       19

PRECIPITATION (IN)
  YESTERDAY        T             0.20        0.04  -0.04     0.00
  MONTH TO DATE    1.91                      0.86   1.05     0.51
  SINCE DEC 1      3.05                      2.58   0.47     5.61
  SINCE JAN 1      1.91                      0.86   1.05     0.51

DEGREE DAYS
 HEATING
  YESTERDAY       16                        42    -26       46
  MONTH TO DATE  812                       880    -68      933
  SINCE DEC 1   2080                      2053     27     1751
  SINCE JUL 1   2991                      3307   -316     2828

 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   7   RESULTANT WIND DIRECTION   S (200)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED     9.5



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


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


THE DU PAGE  AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        50      2002
 MINIMUM TEMPERATURE (F)   15        -3      2014
                                             2013


SUNRISE AND SUNSET
JANUARY 22 2017.......SUNRISE   714 AM CST   SUNSET   456 PM CST
JANUARY 23 2017.......SUNRISE   713 AM CST   SUNSET   457 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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