Climatological Report (Daily)
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000
CDUS43 KLOT 180633
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT MON AUG 18 2014


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 17 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         71    250 PM  98    1988  82    -11       81
                                      1947
  MINIMUM         64    920 PM  48    1976  63      1       57
  AVERAGE         68                        73     -5       69

PRECIPITATION (IN)
  YESTERDAY        T             2.60 1979   0.17  -0.17     0.00
  MONTH TO DATE    3.83                      2.81   1.02     1.02
  SINCE JUN 1     13.78                      9.96   3.82     9.47
  SINCE JAN 1     28.61                     23.04   5.57    31.70

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        2
  SINCE JUN 1     17                        52    -35       54
  SINCE JUL 1      5                         4      1       11

 COOLING
  YESTERDAY        3                         8     -5        4
  MONTH TO DATE  111                       143    -32       95
  SINCE JUN 1    488                       591   -103      519
  SINCE JAN 1    549                       645    -96      603
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION    NE (40)
  AVERAGE WIND SPEED     8.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           900 PM
 LOWEST     68          1200 PM
 AVERAGE    81

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   82        98      1947
 MINIMUM TEMPERATURE (F)   63        49      1963


SUNRISE AND SUNSET
AUGUST 18 2014........SUNRISE   603 AM CDT   SUNSET   747 PM CDT
AUGUST 19 2014........SUNRISE   604 AM CDT   SUNSET   746 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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