Climatological Report (Daily)
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CDUS43 KLOT 200635
CLIDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
135 AM CDT WED SEP 20 2017


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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 19 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         79    313 PM  89    2013  75      4       87
  MINIMUM         62   1159 PM  38    2012  51     11       53
  AVERAGE         71                        63      8       70

PRECIPITATION (IN)
  YESTERDAY        0.12          2.60        0.10   0.02     0.00
  MONTH TO DATE    0.30                      2.04  -1.74     0.66
  SINCE SEP 1      0.30                      2.04  -1.74     0.66
  SINCE JAN 1     26.86                     27.67  -0.81    26.92

DEGREE DAYS
 HEATING
  YESTERDAY        0                         4     -4        0
  MONTH TO DATE   59                        38     21        1
  SINCE SEP 1     59                        38     21        1
  SINCE JUL 1     71                        47     24        2

 COOLING
  YESTERDAY        6                         2      4        5
  MONTH TO DATE   35                        65    -30       99
  SINCE SEP 1     35                        65    -30       99
  SINCE JAN 1    585                       789   -204      945
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION   E (70)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     E (70)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     E (80)
  AVERAGE WIND SPEED     5.5



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


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


THE DU PAGE  AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        85      1998
 MINIMUM TEMPERATURE (F)   51        40      2003


SUNRISE AND SUNSET
SEPTEMBER 20 2017.....SUNRISE   639 AM CDT   SUNSET   653 PM CDT
SEPTEMBER 21 2017.....SUNRISE   640 AM CDT   SUNSET   652 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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