Climatological Report (Daily)
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CDUS43 KLOT 060634
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT SUN AUG 6 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 5 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         80    139 PM 102    1918  83     -3       86
  MINIMUM         60    539 AM  51    1994  64     -4       72
  AVERAGE         70                        73     -3       79

PRECIPITATION (IN)
  YESTERDAY        0.00          2.72 1924   0.16  -0.16      T
  MONTH TO DATE    1.80                      0.81   0.99     0.02
  SINCE JUN 1     12.92                      7.96   4.96     9.10
  SINCE JAN 1     31.03                     21.04   9.99    22.74

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      T                         0.0    0.0      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    3                         0      3        0
  SINCE JUN 1      6                        52    -46       13
  SINCE JUL 1      3                         4     -1        0

 COOLING
  YESTERDAY        5                         9     -4       14
  MONTH TO DATE   37                        45     -8       67
  SINCE JUN 1    573                       493     80      615
  SINCE JAN 1    606                       547     59      689
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED     7.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    78          1200 AM
 LOWEST     40           500 PM
 AVERAGE    59

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83       101      1947
                                             1918
 MINIMUM TEMPERATURE (F)   64        48      1994


SUNRISE AND SUNSET
AUGUST  6 2017........SUNRISE   551 AM CDT   SUNSET   804 PM CDT
AUGUST  7 2017........SUNRISE   552 AM CDT   SUNSET   802 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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