Climatological Report (Daily)
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CDUS43 KLOT 170636
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
136 AM CDT SAT JUN 17 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JUNE 16 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         86    459 PM  98    1913  80      6       77
  MINIMUM         67    645 AM  44    1980  58      9       63
                                      1947
  AVERAGE         77                        69      8       70

PRECIPITATION (IN)
  YESTERDAY        0.22          1.87 1876   0.11   0.11      T
  MONTH TO DATE    0.94                      1.91  -0.97     1.51
  SINCE JUN 1      0.94                      1.91  -0.97     1.51
  SINCE JAN 1     19.05                     14.99   4.06    15.15

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      0.0                       0.0    0.0      0.0
  SINCE JUL 1     26.1                      36.3  -10.2     31.2
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE    0                        39    -39       12
  SINCE JUN 1      0                        39    -39       12
  SINCE JUL 1   5284                      6331  -1047     5427

 COOLING
  YESTERDAY       12                         6      6        5
  MONTH TO DATE  148                        65     83       94
  SINCE JUN 1    148                        65     83       94
  SINCE JAN 1    181                       119     62      168
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    31   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    39   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED    10.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    81           600 AM
 LOWEST     44           300 PM
 AVERAGE    63

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   80        96      1957
                                             1887
 MINIMUM TEMPERATURE (F)   59        42      1980


SUNRISE AND SUNSET
JUNE 17 2017..........SUNRISE   516 AM CDT   SUNSET   830 PM CDT
JUNE 18 2017..........SUNRISE   516 AM CDT   SUNSET   830 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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