Climatological Report (Daily)
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000
CDUS43 KLOT 142133
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
432 PM CDT MON AUG 14 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR AUGUST 14 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         83    245 PM  99    1944  82      1       87
  MINIMUM         62    453 AM  48    1964  63     -1       65
  AVERAGE         73                        73      0       76

PRECIPITATION (IN)
  TODAY            0.00          6.49 1987   0.17  -0.17     0.00
  MONTH TO DATE    1.83                      2.29  -0.46     0.98
  SINCE JUN 1     12.95                      9.44   3.51    10.06
  SINCE JAN 1     31.06                     22.52   8.54    23.70

SNOWFALL (IN)
  TODAY            0.0           0.0    MM   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE JUN 1      T                         0.0    0.0      0.0
  SINCE JUL 1      T                         0.0    0.0      0.0

DEGREE DAYS
 HEATING
  TODAY            0                         0      0        0
  MONTH TO DATE    3                         0      3        0
  SINCE JUN 1      6                        52    -46       13
  SINCE JUL 1      3                         4     -1        0

 COOLING
  TODAY            8                         8      0       11
  MONTH TO DATE   90                       119    -29      181
  SINCE JUN 1    626                       567     59      729
  SINCE JAN 1    659                       621     38      803
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED     4.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84           500 AM
 LOWEST     45           200 PM
 AVERAGE    65

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   82        98      1944
 MINIMUM TEMPERATURE (F)   63        48      2004


SUNRISE AND SUNSET
AUGUST 14 2017........SUNRISE   559 AM CDT   SUNSET   753 PM CDT
AUGUST 15 2017........SUNRISE   600 AM CDT   SUNSET   751 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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