Climatological Report (Daily)
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000
CDUS43 KLOT 180648
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
146 AM CDT THU JUN 18 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JUNE 17 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         72    246 PM  96    1957  80     -8       91
                                      1887
  MINIMUM         56    808 AM  42    1980  59     -3       77
  AVERAGE         64                        70     -6       84

PRECIPITATION (IN)
  YESTERDAY        0.14          1.69 1978   0.11   0.03      T
  MONTH TO DATE    4.50                      2.02   2.48     2.42
  SINCE JUN 1      4.50                      2.02   2.48     2.42
  SINCE JAN 1     15.99                     15.10   0.89    17.25

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     50.7                      36.6   14.1     82.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        1                         1      0        0
  MONTH TO DATE   33                        40     -7       12
  SINCE JUN 1     33                        40     -7       12
  SINCE JUL 1   6770                      6332    438     7135

 COOLING
  YESTERDAY        0                         6     -6       19
  MONTH TO DATE   64                        71     -7       84
  SINCE JUN 1     64                        71     -7       84
  SINCE JAN 1    117                       125     -8      145
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    11   HIGHEST GUST DIRECTION     N (360)
  AVERAGE WIND SPEED     4.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90          1000 AM
 LOWEST     62           500 AM
 AVERAGE    76

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   81        98      1954
 MINIMUM TEMPERATURE (F)   59        45      1999


SUNRISE AND SUNSET
JUNE 18 2015..........SUNRISE   516 AM CDT   SUNSET   830 PM CDT
JUNE 19 2015..........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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