Climatological Report (Daily)
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CDUS43 KLOT 190636
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
135 AM CDT TUE AUG 19 2014


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 18 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         83    338 PM  98    1947  82      1       81
  MINIMUM         65    628 AM  49    1963  63      2       59
  AVERAGE         74                        72      2       70

PRECIPITATION (IN)
  YESTERDAY        0.00          2.85 1990   0.17  -0.17     0.00
  MONTH TO DATE    3.83                      2.98   0.85     1.02
  SINCE JUN 1     13.78                     10.13   3.65     9.47
  SINCE JAN 1     28.61                     23.21   5.40    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        9                         8      1        5
  MONTH TO DATE  120                       151    -31      100
  SINCE JUN 1    497                       599   -102      524
  SINCE JAN 1    558                       653    -95      608
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     4.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           300 AM
 LOWEST     51           300 PM
 AVERAGE    69

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   82        99      1983
                                             1947
 MINIMUM TEMPERATURE (F)   63        51      1992


SUNRISE AND SUNSET
AUGUST 19 2014........SUNRISE   604 AM CDT   SUNSET   746 PM CDT
AUGUST 20 2014........SUNRISE   605 AM CDT   SUNSET   744 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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