Climatological Report (Daily)
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000
CDUS43 KLOT 112148
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
438 PM CDT MON AUG 11 2014

...................................
...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR AUGUST 11 2014...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         81   257 PM     98  1941    82     -1       81
                                      1874
  MINIMUM         67   331 AM     47  1982    64      3       60
  AVERAGE         74                          73      1       71

PRECIPITATION (IN)
  TODAY           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)
  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      0.0                       0.0    0.0      0.0
  SINCE JUL 1      0.0                       0.0    0.0      0.0

DEGREE DAYS
 HEATING
  TODAY              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
  TODAY              9                         8      1        6
  MONTH TO DATE     94                        95     -1       77
  SINCE JUN 1      471                       543    -72      501
  SINCE JAN 1      532                       597    -65      585
..................................................................
WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     N (360)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     N (340)
  AVERAGE WIND SPEED     5.2

SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9

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

RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           400 AM
 LOWEST     58           200 PM
 AVERAGE    73
..........................................................

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

SUNRISE AND SUNSET
AUGUST 11 2014........SUNRISE   555 AM CDT   SUNSET   758 PM CDT
AUGUST 12 2014........SUNRISE   556 AM CDT   SUNSET   756 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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