Climatological Report (Daily)
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CDUS43 KLOT 040642
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
142 AM CDT TUE AUG 4 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 3 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         82    333 PM  98    1964  83     -1       87
                                      1944
                                      1930
  MINIMUM         67   1159 PM  48    1894  64      3       62
  AVERAGE         75                        74      1       75

PRECIPITATION (IN)
  YESTERDAY        0.00          2.10 1915   0.16  -0.16     0.00
  MONTH TO DATE    0.53                      0.49   0.04     0.15
  SINCE JUN 1     10.50                      7.64   2.86    10.10
  SINCE JAN 1     21.99                     20.72   1.27    24.93

SNOWFALL (IN)
  YESTERDAY        0.0           T    2003   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       10                         9      1       10
  MONTH TO DATE   35                        27      8       27
  SINCE JUN 1    399                       475    -76      404
  SINCE JAN 1    452                       529    -77      465
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     9.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           100 AM
 LOWEST     28           300 PM
 AVERAGE    61

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83       100      1947
 MINIMUM TEMPERATURE (F)   64        53      1992
                                             1894
                                             1880


SUNRISE AND SUNSET
AUGUST  4 2015........SUNRISE   548 AM CDT   SUNSET   807 PM CDT
AUGUST  5 2015........SUNRISE   549 AM CDT   SUNSET   806 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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