Climatological Report (Daily)
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CDUS43 KLOT 082237
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CST THU DEC 8 2016


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR DECEMBER 8 2016...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         24    112 AM  64    1946  37    -13       47
  MINIMUM         17    934 AM  -7    1882  23     -6       38
  AVERAGE         21                        30     -9       43

PRECIPITATION (IN)
  TODAY            T             1.21 1885   0.09  -0.09     0.00
  MONTH TO DATE    0.50                      0.72  -0.22     0.39
  SINCE DEC 1      0.50                      0.72  -0.22     0.39
  SINCE JAN 1     34.70                     35.36  -0.66    35.37

SNOWFALL (IN)
  TODAY            T             6.9  1977   0.2   -0.2      0.0
  MONTH TO DATE    6.4                       1.7    4.7      1.3
  SINCE DEC 1      6.4                       1.7    4.7      1.3
  SINCE JUL 1      6.4                       3.1    3.3     12.5

DEGREE DAYS
 HEATING
  TODAY           44                        35      9       22
  MONTH TO DATE  271                       270      1      221
  SINCE DEC 1    271                       270      1      221
  SINCE JUL 1   1100                      1526   -426     1194

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1   1157                       843    314      806
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    34   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED    18.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT SNOW


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    73           600 AM
 LOWEST     62           100 AM
 AVERAGE    68

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   37        62      1879
 MINIMUM TEMPERATURE (F)   22       -14      1876


SUNRISE AND SUNSET
DECEMBER  8 2016......SUNRISE   707 AM CST   SUNSET   420 PM CST
DECEMBER  9 2016......SUNRISE   708 AM CST   SUNSET   420 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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