Climatological Report (Daily)
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000
CDUS43 KLOT 182133
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
431 PM CDT SUN JUN 18 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR JUNE 18 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    203 PM  98    1954  81     -2       87
  MINIMUM         71    717 AM  45    1999  59     12       58
  AVERAGE         75                        70      5       73

PRECIPITATION (IN)
  TODAY            0.00          1.80 1892   0.11  -0.11     0.00
  MONTH TO DATE    1.36                      2.13  -0.77     1.51
  SINCE JUN 1      1.36                      2.13  -0.77     1.51
  SINCE JAN 1     19.47                     15.21   4.26    15.15

SNOWFALL (IN)
  TODAY            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

DEGREE DAYS
 HEATING
  TODAY            0                         1     -1        0
  MONTH TO DATE    0                        41    -41       12
  SINCE JUN 1      0                        41    -41       12
  SINCE JUL 1   5284                      6333  -1049     5427

 COOLING
  TODAY           10                         6      4        8
  MONTH TO DATE  171                        77     94      110
  SINCE JUN 1    171                        77     94      110
  SINCE JAN 1    204                       131     73      184
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED    14.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87          1200 AM
 LOWEST     45           200 PM
 AVERAGE    66

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   81       102      1953
 MINIMUM TEMPERATURE (F)   59        43      1980


SUNRISE AND SUNSET
JUNE 18 2017..........SUNRISE   516 AM CDT   SUNSET   830 PM CDT
JUNE 19 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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