Climatological Report (Daily)
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000
CDUS43 KLOT 282143
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
440 PM CDT MON AUG 28 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR AUGUST 28 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    146 PM  97    1955  81     -1       83
                                      1953
  MINIMUM         64    538 AM  42    1986  61      3       71
  AVERAGE         72                        71      1       77

PRECIPITATION (IN)
  TODAY            0.20          1.45 1932   0.15   0.05     0.00
  MONTH TO DATE    2.28                      4.49  -2.21     3.64
  SINCE JUN 1     13.40                     11.64   1.76    12.72
  SINCE JAN 1     31.51                     24.72   6.79    26.36

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                         1     -1        0
  MONTH TO DATE    5                         1      4        0
  SINCE JUN 1      8                        53    -45       13
  SINCE JUL 1      5                         5      0        0

 COOLING
  TODAY            7                         6      1       12
  MONTH TO DATE  200                       221    -21      313
  SINCE JUN 1    736                       669     67      861
  SINCE JAN 1    769                       723     46      935
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED     5.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           100 AM
 LOWEST     52           200 PM
 AVERAGE    70

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   80        98      1953
 MINIMUM TEMPERATURE (F)   61        43      1982
                                             1965


SUNRISE AND SUNSET
AUGUST 28 2017........SUNRISE   613 AM CDT   SUNSET   731 PM CDT
AUGUST 29 2017........SUNRISE   614 AM CDT   SUNSET   730 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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