Climatological Report (Daily)
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161
CDUS43 KLOT 012240
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
439 PM CST THU DEC 1 2016


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR DECEMBER 1 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         41   1159 AM  68    1970  40      1       43
  MINIMUM         35    240 AM  -6    1893  26      9       37
  AVERAGE         38                        33      5       40

PRECIPITATION (IN)
  TODAY            T             1.23 2006   0.09  -0.09     0.18
  MONTH TO DATE    T                         0.09  -0.09     0.18
  SINCE DEC 1      T                         0.09  -0.09     0.18
  SINCE JAN 1     34.20                     34.73  -0.53    35.16

SNOWFALL (IN)
  TODAY            T             7.8  1978   0.2   -0.2      0.0
  MONTH TO DATE    T                         0.2   -0.2      0.0
  SINCE DEC 1      T                         0.2   -0.2      0.0
  SINCE JUL 1      T                         1.6   -1.6     11.2

DEGREE DAYS
 HEATING
  TODAY           27                        32     -5       25
  MONTH TO DATE   27                        32     -5       25
  SINCE DEC 1     27                        32     -5       25
  SINCE JUL 1    856                      1288   -432      998

 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    23   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED    15.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85           600 AM
 LOWEST     73          1200 PM
 AVERAGE    79

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   40        71      1982
 MINIMUM TEMPERATURE (F)   25        -1      1942
                                             1893


SUNRISE AND SUNSET
DECEMBER  1 2016......SUNRISE   700 AM CST   SUNSET   421 PM CST
DECEMBER  2 2016......SUNRISE   702 AM CST   SUNSET   421 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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