Climatological Report (Daily)
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CDUS43 KLOT 210637
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
136 AM CDT THU AUG 21 2014


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 20 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         86    132 PM  98    1947  82      4       88
  MINIMUM         66    522 AM  47    1950  63      3       66
  AVERAGE         76                        72      4       77

PRECIPITATION (IN)
  YESTERDAY        0.00          1.47 1951   0.16  -0.16     0.00
  MONTH TO DATE    3.92                      3.30   0.62     1.02
  SINCE JUN 1     13.87                     10.45   3.42     9.47
  SINCE JAN 1     28.70                     23.53   5.17    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       11                         7      4       12
  MONTH TO DATE  144                       166    -22      118
  SINCE JUN 1    521                       614    -93      542
  SINCE JAN 1    582                       668    -86      626
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED     7.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    81           400 AM
 LOWEST     48           200 PM
 AVERAGE    65

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   82        99      1955
 MINIMUM TEMPERATURE (F)   63        46      1950


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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