Climatological Report (Daily)
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CDUS43 KLOT 170635
CLIDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1233 AM CST SAT FEB 17 2018


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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR FEBRUARY 16 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1997 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         38   1220 AM  47    2012  37      1       44
                                      2011
  MINIMUM         14   1157 PM  -6    2007  20     -6       30
  AVERAGE         26                        28     -2       37

PRECIPITATION (IN)
  YESTERDAY        0.00          0.77        0.05  -0.05     0.00
  MONTH TO DATE    0.59                      0.71  -0.12     0.40
  SINCE DEC 1      2.39                      3.74  -1.35     3.59
  SINCE JAN 1      1.76                      2.02  -0.26     2.45

DEGREE DAYS
 HEATING
  YESTERDAY       39                        37      2       28
  MONTH TO DATE  762                       622    140      547
  SINCE DEC 1   3335                      3083    252     2953
  SINCE JUL 1   4545                      4337    208     3864

 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  NW (320)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     N (340)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED    10.0



WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  HAZE


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


THE DU PAGE  AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   37        66      2017
 MINIMUM TEMPERATURE (F)   20         1      2006


SUNRISE AND SUNSET
FEBRUARY 17 2018......SUNRISE   646 AM CST   SUNSET   529 PM CST
FEBRUARY 18 2018......SUNRISE   645 AM CST   SUNSET   530 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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