Climatological Report (Daily)
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000
CDUS43 KLOT 202134
CLIMDW


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
432 PM CDT SUN AUG 20 2017


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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR AUGUST 20 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         89    152 PM  98    1947  82      7
  MINIMUM         67    527 AM  47    1950  66      1
  AVERAGE         78                        74      4

PRECIPITATION (IN)
  TODAY            0.00          1.47 1951   0.12  -0.12
  MONTH TO DATE    0.94                      2.65  -1.71
  SINCE JUN 1      7.77                     10.72  -2.95
  SINCE JAN 1     27.09                     25.21   1.88

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           13                         9      4
  MONTH TO DATE  175                       195    -20
  SINCE JUN 1    787                       743     44
  SINCE JAN 1    842                       817     25
...............................................................


WIND (MPH)
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION   S (190)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     6.8


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      1955
 MINIMUM TEMPERATURE (F)   66        46      1950


SUNRISE AND SUNSET
AUGUST 20 2017........SUNRISE   605 AM CDT   SUNSET   743 PM CDT
AUGUST 21 2017........SUNRISE   606 AM CDT   SUNSET   742 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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