Climatological Report (Daily)
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000
CDUS43 KLOT 110635
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
135 AM CDT TUE JUL 11 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 10 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         84    338 PM 102    1936  85     -1       82
                                      1901
  MINIMUM         67    622 AM  50    1997  64      3       60
                                      1996
  AVERAGE         76                        74      2       71

PRECIPITATION (IN)
  YESTERDAY        0.73          1.89 1876   0.11   0.62     0.00
  MONTH TO DATE    0.77                      1.07  -0.30     1.92
  SINCE JUN 1      4.21                      4.52  -0.31     4.77
  SINCE JAN 1     22.32                     17.60   4.72    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       11                         9      2        6
  MONTH TO DATE  103                        89     14       72
  SINCE JUN 1    333                       254     79      288
  SINCE JAN 1    366                       308     58      362
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    30   HIGHEST WIND DIRECTION     S (160)
  HIGHEST GUST SPEED    38   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED     6.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84          1000 PM
 LOWEST     58           100 PM
 AVERAGE    71

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   85        97      1936
 MINIMUM TEMPERATURE (F)   64        50      1996


SUNRISE AND SUNSET
JULY 11 2017..........SUNRISE   526 AM CDT   SUNSET   828 PM CDT
JULY 12 2017..........SUNRISE   527 AM CDT   SUNSET   827 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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