Climatological Report (Daily)
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CDUS43 KLOT 280637
CLIDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
135 AM CDT FRI JUL 28 2017


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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR JULY 27 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         83    235 PM  91    2011  85     -2       88
                                      1997
  MINIMUM         61   1143 PM  53    2013  63     -2       65
  AVERAGE         72                        74     -2       77

PRECIPITATION (IN)
  YESTERDAY        0.00          0.70        0.15  -0.15     0.00
  MONTH TO DATE    4.11                      3.49   0.62     4.58
  SINCE JUN 1      7.29                      7.38  -0.09     7.72
  SINCE JAN 1     24.64                     20.40   4.24    22.00

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    1                         0      1        1
  SINCE JUN 1     18                        36    -18       13
  SINCE JUL 1      1                         0      1        1

 COOLING
  YESTERDAY        7                         9     -2       12
  MONTH TO DATE  202                       243    -41      258
  SINCE JUN 1    381                       421    -40      433
  SINCE JAN 1    404                       467    -63      506
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION   N (20)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     N (10)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     N (20)
  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)   84        91      2006
 MINIMUM TEMPERATURE (F)   63        53      2013


SUNRISE AND SUNSET
JULY 28 2017..........SUNRISE   543 AM CDT   SUNSET   815 PM CDT
JULY 29 2017..........SUNRISE   544 AM CDT   SUNSET   814 PM CDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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