Climatological Report (Daily)
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CDUS43 KLOT 180638
CLIDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
136 AM CDT FRI AUG 18 2017


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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR AUGUST 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         81   1222 PM  87    2015  83     -2       86
  MINIMUM         69   1159 PM  51    2013  62      7       67
  AVERAGE         75                        72      3       77

PRECIPITATION (IN)
  YESTERDAY        0.05          0.84        0.16  -0.11     0.16
  MONTH TO DATE    1.57                      2.68  -1.11     0.58
  SINCE JUN 1      8.86                     10.69  -1.83     9.44
  SINCE JAN 1     26.21                     23.71   2.50    23.72

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    3                         0      3        0
  SINCE JUN 1     21                        38    -17       13
  SINCE JUL 1      4                         2      2        1

 COOLING
  YESTERDAY       10                         7      3       12
  MONTH TO DATE   79                       133    -54      192
  SINCE JUN 1    480                       589   -109      662
  SINCE JAN 1    503                       635   -132      735
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  14   RESULTANT WIND DIRECTION  SW (230)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    37   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED    13.9



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


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


THE DU PAGE  AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   82        86      2016
                                             2006
 MINIMUM TEMPERATURE (F)   62        48      2012


SUNRISE AND SUNSET
AUGUST 18 2017........SUNRISE   604 AM CDT   SUNSET   748 PM CDT
AUGUST 19 2017........SUNRISE   605 AM CDT   SUNSET   747 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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