Climatological Report (Daily)
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000
CDUS43 KLOT 182135
CLIMDW


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CDT FRI AUG 18 2017


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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR AUGUST 18 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1928 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE
                VALUE   (LST)  VALUE       VALUE  FROM
                                                  NORMAL
...............................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         83    259 PM  99    1936  82      1
  MINIMUM         67    546 AM  49    1963  66      1
  AVERAGE         75                        74      1

PRECIPITATION (IN)
  TODAY            0.00          1.80 1954   0.13  -0.13
  MONTH TO DATE    0.94                      2.41  -1.47
  SINCE JUN 1      7.77                     10.48  -2.71
  SINCE JAN 1     27.09                     24.97   2.12

DEGREE DAYS
 HEATING
  TODAY            0                         0      0
  MONTH TO DATE    3                         0      3
  SINCE JUN 1      3                        32    -29
  SINCE JUL 1      3                         1      2

 COOLING
  TODAY           10                         9      1
  MONTH TO DATE  154                       177    -23
  SINCE JUN 1    766                       725     41
  SINCE JAN 1    821                       799     22
...............................................................


WIND (MPH)
  RESULTANT WIND SPEED  10   RESULTANT WIND DIRECTION   W (280)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED    10.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


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


THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   82        99      1983
                                             1947
 MINIMUM TEMPERATURE (F)   66        49      1933


SUNRISE AND SUNSET
AUGUST 18 2017........SUNRISE   603 AM CDT   SUNSET   746 PM CDT
AUGUST 19 2017........SUNRISE   604 AM CDT   SUNSET   745 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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