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

Tuesday, December 20, 2016

Chicago Weather O'Hare Data Tuesday, December 20 2016 -- Mostly Cloudy, Partly Cloudy, Slightly Cooler than Normal

D
a
t
e
Time
(cst)
Wind
(mph)
Vis.
(mi.)
WeatherSky Cond.Temperature (ºF)Relative
Humidity
Wind
Chill
(°F)
Heat
Index
(°F)
PressurePrecipitation (in.)
AirDwpt6 houraltimeter
(in)
sea level
(mb)
1 hr3 hr6 hr
Max.
2023:51W 910.00A Few CloudsFEW2502417262475%14NA30.151021.9
2022:51W 1010.00Mostly CloudyBKN250241775%14NA30.141021.7
2021:51SW 1310.00Partly CloudySCT250241775%12NA30.141021.7
2020:51SW 1510.00Partly CloudySCT250241775%11NA30.141021.5
2019:51W 1410.00A Few CloudsFEW250251772%13NA30.141021.5
2018:51SW 2010.00Partly CloudySCT250251772%11NA30.151021.9
2017:51SW 1310.00Partly CloudyFEW150 SCT2502617282669%15NA30.141021.7
2016:51SW 1410.00Partly CloudySCT150 SCT250271663%16NA30.141021.5
2015:51SW 13 G 2110.00Partly CloudyFEW150 SCT250281660%17NA30.131021.4
2014:51SW 21 G 3010.00Mostly Cloudy and BreezySCT200 BKN250281558%14NA30.131021.2
2013:51SW 1510.00Mostly CloudyBKN250281456%16NA30.111020.8
2012:51SW 16 G 3010.00Mostly CloudyBKN250271458%15NA30.131021.4
2011:51SW 21 G 3210.00Partly Cloudy and BreezySCT2502612261955%12NA30.141021.8
2010:51SW 26 G 3510.00Mostly Cloudy and WindyBKN250251155%9NA30.171022.6
2009:51SW 18 G 2610.00Partly CloudyFEW180 SCT25023853%9NA30.201023.8
2008:51SW 15 G 2610.00Mostly CloudyFEW120 SCT180 BKN25021754%7NA30.181023.2
2007:51SW 17 G 2810.00Mostly CloudySCT120 BKN170 BKN25020757%5NA30.181023.3
2006:51S 24 G 3110.00Overcast and BreezyBKN120 OVC16019759%2NA30.201023.9

Complete data after midnight (may be delayed 24-48 hours).

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ... | NWS Chicago Office OBSERVED WEATHER REPORTS



SUMMARY:

Weather Underground Historical 24-Hour Weather Radar for Tuesday, December 20, 2016 …

Twitter group from National Weather Service Chicago, Local Chicago Media, and The Weather Channel.




CLIMATE DATA FROM THE NATIONAL WEATHER SERVICE CHICAGO OFFICE ...

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547
CDUS43 KLOT 210638
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1238 AM CST WED DEC 21 2016


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 20 2016...

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)
 YESTERDAY
  MAXIMUM         28    421 PM  67    1877  33     -5       50
  MINIMUM         14   1233 AM  -9    1963  19     -5       23
  AVERAGE         21                        26     -5       37

PRECIPITATION (IN)
  YESTERDAY        0.00          1.67 1895   0.06  -0.06     0.03
  MONTH TO DATE    1.35                      1.58  -0.23     1.78
  SINCE DEC 1      1.35                      1.58  -0.23     1.78
  SINCE JAN 1     35.55                     36.22  -0.67    36.76

SNOWFALL (IN)
  YESTERDAY        0.0          11.0  1960   0.3   -0.3      0.0
                                      2002
  MONTH TO DATE   17.7                       4.9   12.8      1.5
  SINCE DEC 1     17.7                       4.9   12.8      1.5
  SINCE JUL 1     17.7                       6.3   11.4     12.7
  SNOW DEPTH       6

DEGREE DAYS
 HEATING
  YESTERDAY       44                        39      5       28
  MONTH TO DATE  871                       717    154      496
  SINCE DEC 1    871                       717    154      496
  SINCE JUL 1   1700                      1973   -273     1469

 COOLING
  YESTERDAY        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    29   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    38   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED    16.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    74           700 PM
 LOWEST     52           900 AM
 AVERAGE    63

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


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 2016......SUNRISE   716 AM CST   SUNSET   424 PM CST
DECEMBER 22 2016......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.

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