Climatological Report (Daily)
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CDUS43 KLOT 070632
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1232 AM CST SUN DEC 7 2014


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 6 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         40    147 PM  65    1980  38      2       21
                                      1951
  MINIMUM         26   1022 PM   0    2007  24      2       13
                                      1972
                                      1885
  AVERAGE         33                        31      2       17

PRECIPITATION (IN)
  YESTERDAY        0.00          1.12 1998   0.08  -0.08     0.00
  MONTH TO DATE    T                         0.54  -0.54     0.11
  SINCE DEC 1      T                         0.54  -0.54     0.11
  SINCE JAN 1     38.68                     35.18   3.50    40.26

SNOWFALL (IN)
  YESTERDAY        0.0           5.6  1950   0.3   -0.3      0.0
  MONTH TO DATE    T                         1.3   -1.3      0.0
  SINCE DEC 1      T                         1.3   -1.3      0.0
  SINCE JUL 1      2.9                       2.7    0.2      0.9
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       32                        34     -2       48
  MONTH TO DATE  213                       200     13      178
  SINCE DEC 1    213                       200     13      178
  SINCE JUL 1   1656                      1456    200     1461

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    799                       843    -44      933
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     N (20)
  AVERAGE WIND SPEED    11.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89          1200 AM
 LOWEST     59           100 PM
 AVERAGE    74

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   37        64      1916
 MINIMUM TEMPERATURE (F)   23        -6      1882


SUNRISE AND SUNSET
DECEMBER  7 2014......SUNRISE   706 AM CST   SUNSET   420 PM CST
DECEMBER  8 2014......SUNRISE   707 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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