Climatological Report (Daily)
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CDUS43 KLOT 080635
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1235 AM CST MON DEC 8 2014


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 7 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         36    249 PM  64    1916  37     -1       21
  MINIMUM         26    727 AM  -6    1882  23      3        8
  AVERAGE         31                        30      1       15

PRECIPITATION (IN)
  YESTERDAY        0.00          1.12 1980   0.09  -0.09     0.00
  MONTH TO DATE    T                         0.63  -0.63     0.11
  SINCE DEC 1      T                         0.63  -0.63     0.11
  SINCE JAN 1     38.68                     35.27   3.41    40.26

SNOWFALL (IN)
  YESTERDAY        0.0           6.9  1978   0.2   -0.2      0.0
  MONTH TO DATE    T                         1.5   -1.5      0.0
  SINCE DEC 1      T                         1.5   -1.5      0.0
  SINCE JUL 1      2.9                       2.9    0.0      0.9
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       34                        35     -1       50
  MONTH TO DATE  247                       235     12      228
  SINCE DEC 1    247                       235     12      228
  SINCE JUL 1   1690                      1491    199     1511

 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    17   HIGHEST WIND DIRECTION    SE (140)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    SE (150)
  AVERAGE WIND SPEED     9.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85          1200 AM
 LOWEST     52           100 PM
 AVERAGE    69

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   37        64      1946
 MINIMUM TEMPERATURE (F)   23        -7      1882


SUNRISE AND SUNSET
DECEMBER  8 2014......SUNRISE   707 AM CST   SUNSET   420 PM CST
DECEMBER  9 2014......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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