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Thursday, December 19, 2013

Chicago Weather O'Hare Data December 19 2013

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 19 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         39   1146 AM  64    1877  34      5       43
  MINIMUM         33    912 AM -14    1983  20     13       32
  AVERAGE         36                        26     10       38

PRECIPITATION (IN)
  YESTERDAY        0.06          2.66 1895   0.07  -0.01     0.08
  MONTH TO DATE    0.76                      1.52  -0.76     0.92
  SINCE DEC 1      0.76                      1.52  -0.76     0.92
  SINCE JAN 1     40.91                     36.16   4.75    25.62

SNOWFALL (IN)
  YESTERDAY        0.0           8.3  1973   0.3   -0.3      0.0
  MONTH TO DATE    9.3                       4.6    4.7       T
  SINCE DEC 1      9.3                       4.6    4.7       T
  SINCE JUL 1     10.2                       6.1    4.1       T
  SNOW DEPTH       3

DEGREE DAYS
 HEATING
  YESTERDAY       29                        38     -9       27
  MONTH TO DATE  781                       678    103      459
  SINCE DEC 1    781                       678    103      459
  SINCE JUL 1   2064                      1934    130     1709

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    933                       843     90     1324
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     6.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           800 PM
 LOWEST     64          1200 AM
 AVERAGE    77

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   33        67      1877
 MINIMUM TEMPERATURE (F)   19        -9      1963


SUNRISE AND SUNSET
DECEMBER 20 2013......SUNRISE   716 AM CST   SUNSET   423 PM CST
DECEMBER 21 2013......SUNRISE   716 AM CST   SUNSET   423 PM CST


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

000
CDUS43 KLOT 200634
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1233 AM CST FRI DEC 20 2013

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ...


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