Climatological Report (Daily)
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CDUS43 KLOT 090632
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT SUN JUL 9 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 8 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    321 PM  99    1955  84     -4       86
  MINIMUM         62    439 AM  48    1984  64     -2       68
  AVERAGE         71                        74     -3       77

PRECIPITATION (IN)
  YESTERDAY        0.00          2.41 1951   0.11  -0.11     0.00
  MONTH TO DATE    0.04                      0.84  -0.80     1.92
  SINCE JUN 1      3.48                      4.29  -0.81     4.77
  SINCE JAN 1     21.59                     17.37   4.22    18.41

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      3                        48    -45       13
  SINCE JUL 1      0                         0      0        0

 COOLING
  YESTERDAY        6                         9     -3       12
  MONTH TO DATE   82                        71     11       59
  SINCE JUN 1    312                       236     76      275
  SINCE JAN 1    345                       290     55      349
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     E (100)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     6.8


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    84           400 AM
 LOWEST     38           600 PM
 AVERAGE    61

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   85        98      1974
 MINIMUM TEMPERATURE (F)   64        50      1895


SUNRISE AND SUNSET
JULY  9 2017..........SUNRISE   525 AM CDT   SUNSET   828 PM CDT
JULY 10 2017..........SUNRISE   526 AM CDT   SUNSET   828 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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