Climatological Report (Daily)
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000
CDUS43 KLOT 212145
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
443 PM CDT THU AUG 21 2014


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR AUGUST 21 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         79    201 PM  99    1955  82     -3       90
  MINIMUM         70    243 AM  46    1950  63      7       68
  AVERAGE         75                        72      3       79

PRECIPITATION (IN)
  TODAY            0.32          2.00 1874   0.15   0.17     0.01
  MONTH TO DATE    4.24                      3.45   0.79     1.03
  SINCE JUN 1     14.19                     10.60   3.59     9.48
  SINCE JAN 1     29.02                     23.68   5.34    31.71

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

 COOLING
  TODAY           10                         7      3       14
  MONTH TO DATE  154                       173    -19      132
  SINCE JUN 1    531                       621    -90      556
  SINCE JAN 1    592                       675    -83      640
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     N (360)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED     5.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84           400 AM
 LOWEST     73          1200 AM
 AVERAGE    79

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   82        99      1936
 MINIMUM TEMPERATURE (F)   63        49      2004


SUNRISE AND SUNSET
AUGUST 21 2014........SUNRISE   606 AM CDT   SUNSET   743 PM CDT
AUGUST 22 2014........SUNRISE   607 AM CDT   SUNSET   741 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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