Climatological Report (Daily)
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000
CDUS43 KLOT 200646
CLIMDW


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
146 AM CDT SUN AUG 20 2017


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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR AUGUST 19 2017...

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


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         82    421 PM  99    1983  82      0       85
                                      1947
  MINIMUM         64    501 AM  49    1933  66     -2       71
  AVERAGE         73                        74     -1       78

PRECIPITATION (IN)
  YESTERDAY        0.00          1.39 2007   0.12  -0.12      T
  MONTH TO DATE    0.94                      2.53  -1.59     3.96
  SINCE JUN 1      7.77                     10.60  -2.83    10.47
  SINCE JAN 1     27.09                     25.09   2.00    22.19

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    3                         0      3        0
  SINCE JUN 1      3                        32    -29        6
  SINCE JUL 1      3                         1      2        0

 COOLING
  YESTERDAY        8                         9     -1       13
  MONTH TO DATE  162                       186    -24      278
  SINCE JUN 1    774                       734     40      954
  SINCE JAN 1    829                       808     21     1061
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION  NE (60)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     E (100)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    SE (120)
  AVERAGE WIND SPEED     6.1



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


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


THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   82        98      1947
 MINIMUM TEMPERATURE (F)   66        47      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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