Chicago Weather O'Hare Data Sunday, December 20 2015 -- Warmer Than Normal Temps

D a t e	Time (cst)	Wind (mph)	Vis. (mi.)	Weather	Sky Cond.	Temperature (ºF)				Relative Humidity	Wind Chill (°F)	Heat Index (°F)	Pressure		Precipitation (in.)
						Air	Dwpt	6 hour					altimeter (in)	sea level (mb)	1 hr	3 hr	6 hr
								Max.

20	23:51	SW 20 G 30	7.00	Light Rain	BKN032 BKN043 OVC070	45	37	48	45	74%	37	NA	29.84	1010.7	0.02		0.02
20	22:51	S 23 G 31	10.00	Overcast and Breezy	BKN032 OVC045	48	33			56%	40	NA	29.85	1011.1
20	21:51	S 22 G 31	10.00	Overcast and Breezy	BKN031 OVC045	48	30			50%	41	NA	29.86	1011.3
20	20:51	S 21 G 29	10.00	Overcast and Breezy	OVC038	47	30			52%	39	NA	29.87	1012.0
20	19:51	S 21 G 29	10.00	Overcast and Breezy	BKN040 BKN060 BKN075 OVC200	46	30			54%	38	NA	29.89	1012.6
20	18:51	S 17	10.00	Overcast	SCT150 BKN200 OVC250	46	29			51%	39	NA	29.90	1012.9
20	17:51	S 17	10.00	Overcast	SCT120 BKN200 OVC250	46	28	50	46	50%	39	NA	29.90	1013.0
20	16:51	S 18 G 25	10.00	Overcast	BKN120 BKN200 OVC250	47	28			48%	40	NA	29.89	1012.6
20	15:51	S 22 G 29	10.00	Overcast and Breezy	SCT110 BKN200 OVC250	48	27			44%	41	NA	29.90	1013.1
20	14:51	SW 21 G 29	10.00	Mostly Cloudy and Breezy	SCT200 BKN250	50	28			43%	43	NA	29.91	1013.5
20	13:51	S 18 G 33	10.00	Mostly Cloudy	FEW200 BKN250	49	30			48%	43	NA	29.93	1013.9
20	12:51	SW 21 G 31	10.00	Mostly Cloudy and Breezy	FEW200 BKN250	50	30			46%	43	NA	29.95	1014.8
20	11:51	S 17	10.00	Mostly Cloudy	FEW200 BKN250	47	29	47	32	50%	40	NA	30.00	1016.5
20	10:51	S 16	10.00	Mostly Cloudy	FEW200 BKN250	44	30			58%	37	NA	30.06	1018.5
20	09:51	S 16	10.00	Mostly Cloudy	FEW200 BKN240	40	29			65%	32	NA	30.08	1019.3
20	08:51	S 16	10.00	Mostly Cloudy	SCT200 BKN240	36	28			73%	26	NA	30.10	1020.0
20	07:51	S 14	10.00	Overcast	OVC240	34	27			76%	25	NA	30.10	1020.3
20	06:51	S 10	10.00	Overcast	OVC240	33	26			75%	25	NA	30.14	1021.3
20	05:51	S 15	10.00	Overcast	OVC250	32	25	32	23	75%	22	NA	30.16	1022.0
20	04:51	S 13	10.00	Overcast	OVC250	32	24			73%	22	NA	30.20	1023.3
20	03:51	S 10	10.00	Mostly Cloudy	BKN250	30	23			75%	21	NA	30.21	1023.9
20	02:51	S 9	10.00	Partly Cloudy	SCT250	27	20			75%	18	NA	30.24	1025.0
20	01:51	S 8	10.00	Mostly Cloudy	BKN250	26	19			75%	18	NA	30.27	1026.0

20

00:51

S 9

10.00

Mostly Cloudy

BKN250

26

19

75%

17

NA

30.31

??

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

SUMMARY:

Weather Underground Historical 24-Hour Weather Radar for Sunday, December 20, 2015 …

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

Rain likely tonight & into Mon. Next system moves in Tues night thru Wed night with showers & maybe a t-storm. pic.twitter.com/nOO5jVcdwb

— NWS Chicago (@NWSChicago) December 20, 2015

Cloudy skies will be in place today, however, temps will be much warmer in the 40s. Rain likely tonight/Monday. pic.twitter.com/95AY9eYHsA

— NWS Chicago (@NWSChicago) December 20, 2015

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

+ + + +

000
CDUS43 KLOT 210640
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1239 AM CST MON DEC 21 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 20 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         50    302 PM  67    1877  33     17       33
  MINIMUM         23   1201 AM  -9    1963  19      4       28
  AVERAGE         37                        26     11       31

PRECIPITATION (IN)
  YESTERDAY        0.03          1.67 1895   0.06  -0.03      T
  MONTH TO DATE    1.78                      1.58   0.20     0.28
  SINCE DEC 1      1.78                      1.58   0.20     0.28
  SINCE JAN 1     36.76                     36.22   0.54    38.96

SNOWFALL (IN)
  YESTERDAY        0.0          11.0  1960   0.3   -0.3       T
                                      2002
  MONTH TO DATE    1.5                       4.9   -3.4       T
  SINCE DEC 1      1.5                       4.9   -3.4       T
  SINCE JUL 1     12.7                       6.3    6.4      2.9
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       28                        39    -11       34
  MONTH TO DATE  496                       717   -221      651
  SINCE DEC 1    496                       717   -221      651
  SINCE JUL 1   1469                      1973   -504     2094

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    806                       843    -37      799
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    37   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED    16.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    81          1200 AM
 LOWEST     42           300 PM
 AVERAGE    62

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


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 2015......SUNRISE   716 AM CST   SUNSET   423 PM CST
DECEMBER 22 2015......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.

+ + + +

HOMETOWN WEATHER: Arlington Heights Weather Forecast -- Arlingtoncardinal.com/weather

LIVE RADAR | STORM TRACKS | CLOUDS INFRARED SAT | CLOUDS VISIBLE SAT (during daylight)

WunderMap® US Temperature/Wind Data || WunderMap®: O'Hare  Temps | NE Illinois Temps
Full Screen Motion Weather Radar (Wunderground.com) Midwest Cloud Cover and Arlington Heights Weather Forecast | SWPC Aurora Forecast

SUNLIGHT DATA FOR SECURITY, TRAFFIC SAFETY, AND SPORTS
SunCalc.net data with azimuth & trajectory, times for dawn, sunrise, solar noon, sunset, dusk ...