Climatological Report (Daily)
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000
CDUS43 KLOT 132132
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
431 PM CDT SUN AUG 13 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR AUGUST 13 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         80   1257 PM  98    1944  82     -2       84
  MINIMUM         57    456 AM  51    2004  64     -7       72
                                      1982
  AVERAGE         69                        73     -4       78

PRECIPITATION (IN)
  TODAY            0.00          2.86 1987   0.17  -0.17      T
  MONTH TO DATE    1.83                      2.12  -0.29     0.98
  SINCE JUN 1     12.95                      9.27   3.68    10.06
  SINCE JAN 1     31.06                     22.35   8.71    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            4                         8     -4       13
  MONTH TO DATE   82                       111    -29      170
  SINCE JUN 1    618                       559     59      718
  SINCE JAN 1    651                       613     38      792
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     E (70)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    NE (60)
  AVERAGE WIND SPEED     3.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86           500 AM
 LOWEST     36          1000 AM
 AVERAGE    61

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   82        99      1944
 MINIMUM TEMPERATURE (F)   63        48      1964


SUNRISE AND SUNSET
AUGUST 13 2017........SUNRISE   558 AM CDT   SUNSET   754 PM CDT
AUGUST 14 2017........SUNRISE   559 AM CDT   SUNSET   753 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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