Climatological Report (Daily)
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CDUS43 KLOT 282138
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
436 PM CDT WED JUN 28 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR JUNE 28 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         79    259 PM 101    1971  83     -4       71
                                      1952
  MINIMUM         58   1252 AM  44    1992  62     -4       57
  AVERAGE         69                        73     -4       64

PRECIPITATION (IN)
  TODAY            0.20          1.03 1957   0.11   0.09     0.00
  MONTH TO DATE    2.32                      3.24  -0.92     2.85
  SINCE JUN 1      2.32                      3.24  -0.92     2.85
  SINCE JAN 1     20.43                     16.32   4.11    16.49

SNOWFALL (IN)
  TODAY            0.0           0.0    MM   0.0    0.0      0.0
  MONTH TO DATE    T                         0.0    0.0      0.0
  SINCE JUN 1      T                         0.0    0.0      0.0
  SINCE JUL 1     26.1                      36.3  -10.2     31.2

DEGREE DAYS
 HEATING
  TODAY            0                         0      0        1
  MONTH TO DATE    3                        48    -45       13
  SINCE JUN 1      3                        48    -45       13
  SINCE JUL 1   5287                      6340  -1053     5428

 COOLING
  TODAY            4                         8     -4        0
  MONTH TO DATE  212                       148     64      210
  SINCE JUN 1    212                       148     64      210
  SINCE JAN 1    245                       202     43      284
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    34   HIGHEST GUST DIRECTION     S (160)
  AVERAGE WIND SPEED    12.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  RAIN
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84          1100 AM
 LOWEST     52           700 AM
 AVERAGE    68

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83        97      1954
 MINIMUM TEMPERATURE (F)   62        48      1989


SUNRISE AND SUNSET
JUNE 28 2017..........SUNRISE   519 AM CDT   SUNSET   831 PM CDT
JUNE 29 2017..........SUNRISE   519 AM CDT   SUNSET   831 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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