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Weather conditions on bar directly above are near Lakefront. Weather conditions with Moon are O'Hare (official).

Friday, December 20, 2013

Chicago Weather O'Hare Data December 20 2013

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 20 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         36    344 AM  67    1877  33      3       49
  MINIMUM         33   1159 PM  -9    1963  19     14       33
  AVERAGE         35                        26      9       41

PRECIPITATION (IN)
  YESTERDAY        0.31          1.67 1895   0.06   0.25     1.26
  MONTH TO DATE    1.07                      1.58  -0.51     2.18
  SINCE DEC 1      1.07                      1.58  -0.51     2.18
  SINCE JAN 1     41.22                     36.22   5.00    26.88

SNOWFALL (IN)
  YESTERDAY        0.0          11.0  1960   0.3   -0.3      0.2
                                      2002
  MONTH TO DATE    9.3                       4.9    4.4      0.2
  SINCE DEC 1      9.3                       4.9    4.4      0.2
  SINCE JUL 1     10.2                       6.4    3.8      0.2
  SNOW DEPTH       1

DEGREE DAYS
 HEATING
  YESTERDAY       30                        39     -9       24
  MONTH TO DATE  811                       717     94      483
  SINCE DEC 1    811                       717     94      483
  SINCE JUL 1   2094                      1973    121     1733

 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     N (20)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    NE (30)
  AVERAGE WIND SPEED     9.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           200 AM
 LOWEST     89           200 AM
 AVERAGE    89

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   33        62      1967
 MINIMUM TEMPERATURE (F)   19       -14      1989


SUNRISE AND SUNSET
DECEMBER 21 2013......SUNRISE   716 AM CST   SUNSET   423 PM CST
DECEMBER 22 2013......SUNRISE   717 AM CST   SUNSET   424 PM CST


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


000
CDUS43 KLOT 210639
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1237 AM CST SAT DEC 21 2013

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


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