Climatological Report (Daily)
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CDUS43 KLOT 030647
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
147 AM CDT MON AUG 3 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 2 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         91    117 PM 101    1991  83      8       86
  MINIMUM         67   1151 PM  51    1985  64      3       59
  AVERAGE         79                        74      5       73

PRECIPITATION (IN)
  YESTERDAY        0.53          5.63 1885   0.16   0.37     0.00
  MONTH TO DATE    0.53                      0.33   0.20     0.15
  SINCE JUN 1     10.50                      7.48   3.02    10.10
  SINCE JAN 1     21.99                     20.56   1.43    24.93

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      T                         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        0
  SINCE JUN 1     52                        52      0       17
  SINCE JUL 1     13                         4      9        5

 COOLING
  YESTERDAY       14                         9      5        8
  MONTH TO DATE   25                        18      7       17
  SINCE JUN 1    389                       466    -77      394
  SINCE JAN 1    442                       520    -78      455
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    37   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    52   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED    13.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  HAIL
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84           200 AM
 LOWEST     41          1200 PM
 AVERAGE    63

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83        98      1964
                                             1944
                                             1930
 MINIMUM TEMPERATURE (F)   64        48      1894


SUNRISE AND SUNSET
AUGUST  3 2015........SUNRISE   547 AM CDT   SUNSET   808 PM CDT
AUGUST  4 2015........SUNRISE   548 AM CDT   SUNSET   807 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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