Climatological Report (Daily)
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CDUS43 KLOT 121120
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
131 AM CDT TUE AUG 12 2014


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 11 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         82    407 PM  98    1941  82      0       81
                                      1874
  MINIMUM         67    331 AM  47    1982  64      3       60
  AVERAGE         75                        73      2       71

PRECIPITATION (IN)
  YESTERDAY        0.85          3.70 1923   0.17   0.68     0.01
  MONTH TO DATE    3.76                      1.78   1.98     0.75
  SINCE JUN 1     13.71                      8.93   4.78     9.20
  SINCE JAN 1     28.54                     22.01   6.53    31.43

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      0.0                       0.0    0.0      0.0
  SINCE JUL 1      0.0                       0.0    0.0      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1     17                        52    -35       52
  SINCE JUL 1      5                         4      1        9

 COOLING
  YESTERDAY       10                         8      2        6
  MONTH TO DATE   95                        95      0       77
  SINCE JUN 1    472                       543    -71      501
  SINCE JAN 1    533                       597    -64      585
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     6.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.

  THUNDERSTORM
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           400 AM
 LOWEST     54           400 PM
 AVERAGE    71

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   82       101      1918
 MINIMUM TEMPERATURE (F)   64        47      1982


SUNRISE AND SUNSET
AUGUST 12 2014........SUNRISE   556 AM CDT   SUNSET   756 PM CDT
AUGUST 13 2014........SUNRISE   558 AM CDT   SUNSET   755 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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