Climatological Report (Daily)
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000
CDUS43 KLOT 172135
CLIMDW


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CDT THU AUG 17 2017


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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR AUGUST 17 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         84    259 PM  99    1988  82      2
  MINIMUM         73    754 AM  48    1976  67      6
  AVERAGE         79                        74      5

PRECIPITATION (IN)
  TODAY            0.17          2.60 1979   0.13   0.04
  MONTH TO DATE    0.94                      2.28  -1.34
  SINCE JUN 1      7.77                     10.35  -2.58
  SINCE JAN 1     27.09                     24.84   2.25

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           14                         9      5
  MONTH TO DATE  144                       168    -24
  SINCE JUN 1    756                       716     40
  SINCE JAN 1    811                       790     21
...............................................................


WIND (MPH)
  RESULTANT WIND SPEED  15   RESULTANT WIND DIRECTION  SW (230)
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED    15.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  HEAVY RAIN
  LIGHT RAIN
  FOG


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


THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   82        99      1936
 MINIMUM TEMPERATURE (F)   66        49      1963


SUNRISE AND SUNSET
AUGUST 17 2017........SUNRISE   602 AM CDT   SUNSET   748 PM CDT
AUGUST 18 2017........SUNRISE   603 AM CDT   SUNSET   746 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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