Climatological Report (Daily)
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CDUS43 KLOT 180639
CLIDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1237 AM CST WED JAN 18 2017


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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR JANUARY 17 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         38    141 PM  42    2015  31      7        7
                                      2006
  MINIMUM         34   1159 PM  -2    2016  15     19       -2
  AVERAGE         36                        23     13        3

PRECIPITATION (IN)
  YESTERDAY        0.34R         0.22        0.04   0.30      T
  MONTH TO DATE    1.56                      0.71   0.85     0.41
  SINCE DEC 1      2.70                      2.43   0.27     5.51
  SINCE JAN 1      1.56                      0.71   0.85     0.41

DEGREE DAYS
 HEATING
  YESTERDAY       29                        42    -13       62
  MONTH TO DATE  711                       712     -1      717
  SINCE DEC 1   1979                      1885     94     1535
  SINCE JUL 1   2890                      3139   -249     2612

 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   8   RESULTANT WIND DIRECTION   W (270)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED     9.4



WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  FOG


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


THE DU PAGE  AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        42      2013
 MINIMUM TEMPERATURE (F)   15        -5      2016


SUNRISE AND SUNSET
JANUARY 18 2017.......SUNRISE   717 AM CST   SUNSET   451 PM CST
JANUARY 19 2017.......SUNRISE   716 AM CST   SUNSET   452 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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