Chicago Weather O'Hare Data Wednesday, March 11 2015

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.

11	23:52	Calm	10.00	Fair	CLR	30	23			75%	NA	NA	30.45	1031.7
11	22:52	Calm	10.00	Fair	CLR	33	25			72%	NA	NA	30.45	1031.7
11	21:52	Calm	10.00	Fair	CLR	34	24			67%	NA	NA	30.43	1031.0
11	20:52	Calm	10.00	Fair	CLR	37	25			62%	NA	NA	30.41	1030.3
11	19:52	Calm	10.00	Fair	CLR	39	25			57%	NA	NA	30.39	1029.9
11	18:52	E 3	10.00	Fair	CLR	46	21	50	46	37%	NA	NA	30.38	1029.3
11	17:52	NE 6	10.00	Fair	CLR	48	20			33%	45	NA	30.36	1028.5
11	16:52	Vrbl 5	10.00	Fair	CLR	50	25			38%	48	NA	30.35	1028.4
11	15:52	E 7	10.00	Fair	CLR	48	25			41%	45	NA	30.34	1027.9
11	14:52	NE 9	10.00	Fair	CLR	48	26			42%	44	NA	30.32	1027.2
11	13:52	E 8	10.00	Fair	CLR	48	27			44%	44	NA	30.33	1027.4
11	12:52	NE 12	10.00	Fair	CLR	48	29	48	30	48%	43	NA	30.33	1027.5
11	11:52	NE 12	10.00	Fair	CLR	47	29			50%	42	NA	30.31	1026.8
11	10:52	NE 9	9.00	Fair	CLR	45	33			63%	40	NA	30.29	1026.1
11	09:52	NE 10	10.00	Fair	CLR	45	33			63%	40	NA	30.26	1025.1
11	08:52	NE 7	10.00	Fair	CLR	42	33			71%	38	NA	30.22	1023.8
11	07:52	N 5	3.00	Fog/Mist	CLR	37	34			89%	33	NA	30.20	1023.2
11	06:52	N 3	1.50	Fog/Mist	CLR	30	29	35	28	96%	NA	NA	30.18	1022.3
11	05:52	Calm	0.25	Freezing Fog	NA	30	29			96%	NA	NA	30.14	1021.2
11	04:52	Calm	0.25	Fog	VV005	32	31			96%	NA	NA	30.12	1020.3
11	03:52	Calm	0.50	Fog	CLR	32	32			100%	NA	NA	30.10	1019.7
11	02:52	S 3	1.75	Fog/Mist	CLR	32	31			96%	NA	NA	30.09	1019.4
11	01:52	SE 3	1.75	Fog/Mist	CLR	34	33			97%	NA	NA	30.08	1019.2
11	00:52	Calm	3.00	Fog/Mist	CLR	37	35	48	37	93%	NA	NA	30.06	1018.3

Complete data after midnight (may be delayed 24-48 hours). Data above is Arlington Heights.

D a t e	Time (cdt)	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.	Min.
11	21:51	Calm	10.00	Fair	CLR	37	25			62%	NA	NA	30.41	1030.1
11	20:51	Calm	10.00	Fair	CLR	39	24			55%	NA	NA	30.39	1029.5
11	19:51	E 3	10.00	Fair	CLR	44	23			43%	NA	NA	30.37	1028.9
11	18:51	NE 5	10.00	Fair	CLR	46	21	51	46	37%	44	NA	30.35	1028.5
11	17:51	NE 6	10.00	Fair	CLR	49	22			35%	46	NA	30.33	1027.6
11	16:51	NE 8	10.00	Fair	CLR	50	25			38%	47	NA	30.33	1027.5
11	15:51	NE 10	10.00	Fair	CLR	50	27			41%	46	NA	30.31	1026.8
11	14:51	NE 12	10.00	Fair	CLR	51	28			41%	NA	NA	30.29	1026.2
11	13:51	E 12	10.00	Fair	CLR	49	28			44%	44	NA	30.30	1026.4
11	12:51	NE 13	10.00	Fair	CLR	50	29	50	32	44%	45	NA	30.30	1026.3
11	11:51	NE 13	10.00	Fair	CLR	48	35			61%	43	NA	30.28	1025.7
11	10:51	NE 13	10.00	Fair	CLR	47	35			63%	41	NA	30.26	1025.0
11	09:51	NE 14	10.00	Fair	CLR	44	33			65%	37	NA	30.23	1024.1
11	08:51	NE 8	8.00	Fair	CLR	41	35			79%	36	NA	30.20	1023.1
11	07:51	N 8	3.00	Fog/Mist	CLR	38	35			89%	32	NA	30.18	1022.4
11	06:51	N 5	3.00	Fog/Mist	CLR	32	31	39	30	96%	27	NA	30.15	1021.5
11	05:51	Calm	3.00	Fog/Mist	CLR	33	31			92%	NA	NA	30.12	1020.4
11	04:51	W 5	4.00	Fog/Mist	CLR	35	34			96%	31	NA	30.10	1019.6
11	03:51	W 6	3.00	Fog/Mist	CLR	35	34			96%	30	NA	30.08	1019.0
11	02:51	W 6	2.50	Fog/Mist	CLR	36	34			93%	31	NA	30.07	1018.8
11	01:51	W 5	2.50	Fog/Mist	CLR	37	36			96%	33	NA	30.06	1018.5
11	00:51	W 7	3.00	Fog/Mist	CLR	38	37	47	37	97%	33	NA	30.04	1017.7

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

SUMMARY: Developing A welcome high of 50°F and clear skies. Fog in the overnight and morning lifted by about 8:30 a.m. Radar all clear for Chicagoland for the entire day. Sporadic precipitation far southwest.

Weather Underground Historical 24-Hour Weather Radar for Wednesday, March 11, 2015 …

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

Thu. some areas in the south & west could push the 60 degree mark, with mid to upper 50s common, near the lake 40s. pic.twitter.com/tDuaR3Jv8u
— NWS Chicago (@NWSChicago) March 12, 2015

AM fog quickly burns off today, then sunny today & Thursday. Highs 50s inland, 40s near the lake. #ILWX #INWX pic.twitter.com/7GxIhe2Giu
— NWS Chicago (@NWSChicago) March 11, 2015

GET YOUR CHICAGO CLIMATE DATA HERE FROM THE NATIONAL WEATHER SERVICE CHICAGO OFFICE ...

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CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT THU MAR 12 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 11 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         51    254 PM  74    1990  45      6       50
  MINIMUM         30    505 AM   3    1979  28      2       34
  AVERAGE         41                        36      5       42

PRECIPITATION (IN)
  YESTERDAY        0.00          0.92 1957   0.08  -0.08     0.14
  MONTH TO DATE    0.13                      0.85  -0.72     0.69
  SINCE MAR 1      0.13                      0.85  -0.72     0.69
  SINCE JAN 1      2.99                      4.37  -1.38     5.99

SNOWFALL (IN)
  YESTERDAY        0.0           4.4  1941   0.2   -0.2      0.4
  MONTH TO DATE    0.7                       2.6   -1.9      7.6
  SINCE MAR 1      0.7                       2.6   -1.9      7.6
  SINCE JUL 1     44.3                      32.4   11.9     75.9
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       24                        29     -5       23
  MONTH TO DATE  410                       338     72      431
  SINCE MAR 1    410                       338     72      431
  SINCE JUL 1   5590                      5072    518     5846

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE MAR 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    NE (60)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION    NE (60)
  AVERAGE WIND SPEED     6.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     34           500 PM
 AVERAGE    67

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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   45        81      1990
 MINIMUM TEMPERATURE (F)   28         1      1948


SUNRISE AND SUNSET
MARCH 12 2015.........SUNRISE   709 AM CDT   SUNSET   654 PM CDT
MARCH 13 2015.........SUNRISE   707 AM CDT   SUNSET   656 PM CDT


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

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