Climatological Report (Daily)
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CDUS43 KLOT 200637
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
136 AM CDT WED AUG 20 2014


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 19 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    431 PM  99    1983  82      4       85
                                      1947
  MINIMUM         69   1148 PM  51    1992  63      6       57
  AVERAGE         78                        72      6       71

PRECIPITATION (IN)
  YESTERDAY        0.09          2.07 1921   0.16  -0.07     0.00
  MONTH TO DATE    3.92                      3.14   0.78     1.02
  SINCE JUN 1     13.87                     10.29   3.58     9.47
  SINCE JAN 1     28.70                     23.37   5.33    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       13                         8      5        6
  MONTH TO DATE  133                       159    -26      106
  SINCE JUN 1    510                       607    -97      530
  SINCE JAN 1    571                       661    -90      614
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED    10.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84           500 AM
 LOWEST     44           300 PM
 AVERAGE    64

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   82        98      1947
 MINIMUM TEMPERATURE (F)   63        47      1950


SUNRISE AND SUNSET
AUGUST 20 2014........SUNRISE   605 AM CDT   SUNSET   744 PM CDT
AUGUST 21 2014........SUNRISE   606 AM CDT   SUNSET   743 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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