Climatological Report (Daily)
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CDUS43 KLOT 280639
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT FRI AUG 28 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 27 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         76    209 PM  97    1973  81     -5       82
                                      1953
                                      1948
  MINIMUM         51    417 AM  47    1982  62    -11       67
  AVERAGE         64                        71     -7       75

PRECIPITATION (IN)
  YESTERDAY        0.00          1.59 1923   0.14  -0.14     0.00
  MONTH TO DATE    1.42                      4.34  -2.92     6.95
  SINCE JUN 1     11.39                     11.49  -0.10    16.90
  SINCE JAN 1     22.88                     24.57  -1.69    31.73

SNOWFALL (IN)
  YESTERDAY        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      0.0                       0.0    0.0      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        1                         0      1        0
  MONTH TO DATE    4                         0      4        0
  SINCE JUN 1     56                        52      4       17
  SINCE JUL 1     17                         4     13        5

 COOLING
  YESTERDAY        0                         7     -7       10
  MONTH TO DATE  209                       215     -6      232
  SINCE JUN 1    573                       663    -90      609
  SINCE JAN 1    626                       717    -91      670
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     E (110)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     E (110)
  AVERAGE WIND SPEED     4.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           400 AM
 LOWEST     46           100 PM
 AVERAGE    73

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   81        97      1955
                                             1953
 MINIMUM TEMPERATURE (F)   61        42      1986


SUNRISE AND SUNSET
AUGUST 28 2015........SUNRISE   613 AM CDT   SUNSET   732 PM CDT
AUGUST 29 2015........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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