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

Wednesday, December 21, 2016

Chicago Weather O'Hare Data Wednesday, December 21 2016 -- Mostly Cloudy, Overcast, Temperatures Very Slightly Warmer than Normal, Winter Solstice

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.
2123:51W 910.00Mostly CloudyBKN0293125363179%23NA29.991016.1
2122:51W 1310.00A Few CloudsFEW037332572%24NA29.961015.3
2121:51W 1010.00A Few CloudsFEW037322473%24NA29.941014.6
2120:51W 1210.00A Few CloudsFEW100 FEW160322473%23NA29.931014.2
2119:51W 1310.00Mostly CloudySCT100 BKN160342570%25NA29.921014.1
2118:51SW 1510.00Mostly CloudyFEW160 BKN200352772%25NA29.921014.0
2117:51SW 710.00Mostly CloudyFEW120 SCT160 BKN2003426343173%28NA29.921013.9
2116:51SW 1010.00Mostly CloudySCT120 BKN140342570%26NA29.911013.6
2115:51S 1410.00OvercastBKN120 OVC140332470%23NA29.911013.6
2114:51S 1310.00OvercastOVC110322266%22NA29.931014.4
2113:51S 910.00OvercastOVC110322266%24NA29.981016.1
2112:51SW 810.00OvercastOVC100322164%25NA30.031017.6
2111:51S 1010.00OvercastOVC1103122312269%22NA30.041018.2
2110:51S 109.00OvercastSCT100 OVC250292275%20NA30.081019.4
2109:51S 710.00OvercastOVC095272075%19NA30.101020.2
2108:51S 510.00OvercastOVC100241981%18NA30.121020.9
2107:51SW 510.00OvercastOVC100241981%18NA30.141021.7
2106:51Calm10.00OvercastBKN120 OVC200231881%NANA30.121020.9
2105:51SW 610.00OvercastBKN130 OVC2002217241982%14NA30.131021.2
2104:51W 510.00OvercastSCT130 OVC190211681%14NA30.121021.0
2103:51SW 710.00Mostly CloudyBKN160221678%13NA30.131021.3
2102:51SW 510.00Mostly CloudyBKN160 BKN250211578%14NA30.141021.7
2101:51SW 510.00A Few CloudsFEW250221678%15NA30.151022.0
2100:51W 710.00A Few CloudsFEW250221678%13NA30.151021.8

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



SUMMARY:

Weather Underground Historical 24-Hour Weather Radar for Wednesday, December 21, 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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538
CDUS43 KLOT 220636
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1236 AM CST THU DEC 22 2016


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 21 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         36    648 PM  62    1967  33      3       52
  MINIMUM         19    314 AM -14    1989  19      0       41
  AVERAGE         28                        26      2       47

PRECIPITATION (IN)
  YESTERDAY        0.00          1.81 1949   0.07  -0.07     0.67
  MONTH TO DATE    1.35                      1.65  -0.30     2.45
  SINCE DEC 1      1.35                      1.65  -0.30     2.45
  SINCE JAN 1     35.55                     36.29  -0.74    37.43

SNOWFALL (IN)
  YESTERDAY        0.0           3.6  1983   0.3   -0.3      0.0
  MONTH TO DATE   17.7                       5.2   12.5      1.5
  SINCE DEC 1     17.7                       5.2   12.5      1.5
  SINCE JUL 1     17.7                       6.6   11.1     12.7
  SNOW DEPTH       5

DEGREE DAYS
 HEATING
  YESTERDAY       37                        39     -2       18
  MONTH TO DATE  908                       756    152      514
  SINCE DEC 1    908                       756    152      514
  SINCE JUL 1   1737                      2012   -275     1487

 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    17   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED     8.4


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    84           600 AM
 LOWEST     63           100 PM
 AVERAGE    74

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   33        57      1957
                                             1875
 MINIMUM TEMPERATURE (F)   19       -21      1872


SUNRISE AND SUNSET
DECEMBER 22 2016......SUNRISE   717 AM CST   SUNSET   424 PM CST
DECEMBER 23 2016......SUNRISE   717 AM CST   SUNSET   425 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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