Chicago Weather O'Hare Data Tuesday, March 17 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.

17	23:51	W 3	10.00	A Few Clouds	FEW210	31	16			54%	NA	NA	30.32	1027.5
17	22:51	S 5	10.00	A Few Clouds	FEW250	33	15			48%	28	NA	30.33	1027.7
17	21:51	S 3	10.00	A Few Clouds	FEW250	32	16			52%	NA	NA	30.33	1027.7
17	20:51	E 6	10.00	Partly Cloudy	SCT250	31	16			54%	25	NA	30.32	1027.5
17	19:51	E 5	10.00	Partly Cloudy	SCT250	35	13			40%	31	NA	30.32	1027.4
17	18:51	E 7	10.00	Mostly Cloudy	BKN250	38	12	45	38	34%	33	NA	30.31	1027.0
17	17:51	NE 8	10.00	Mostly Cloudy	FEW200 BKN250	43	10			26%	38	NA	30.30	1026.6
17	16:51	E 7	10.00	Partly Cloudy	SCT250	43	12			28%	39	NA	30.30	1026.6
17	15:51	NE 12	10.00	Partly Cloudy	SCT250	43	13			29%	37	NA	30.31	1026.8
17	14:51	Vrbl 5	10.00	Partly Cloudy	SCT250	45	15			30%	42	NA	30.31	1026.8
17	13:51	NE 13	10.00	A Few Clouds	FEW250	44	13			28%	38	NA	30.32	1027.3
17	12:51	N 14	10.00	A Few Clouds	FEW250	43	11	43	35	27%	36	NA	30.34	1027.6
17	11:51	NE 14 G 21	10.00	A Few Clouds	FEW045 FEW250	41	11			29%	33	NA	30.35	1028.1
17	10:51	NE 20 G 26	10.00	Partly Cloudy	FEW040 FEW150 SCT250	39	10			30%	29	NA	30.34	1027.8
17	09:51	NE 22	10.00	Mostly Cloudy and Breezy	FEW040 SCT070 BKN220	37	11			34%	26	NA	30.33	1027.4
17	08:51	N 26 G 38	10.00	Partly Cloudy and Windy	FEW022 SCT039 SCT250	36	14			40%	24	NA	30.31	1026.5
17	07:51	NE 24 G 37	10.00	Overcast and Breezy	FEW022 BKN039 OVC250	35	24			64%	23	NA	30.28	1025.4
17	06:51	N 22 G 36	10.00	Overcast and Breezy	OVC022	36	28	43	36	73%	25	NA	30.23	1023.8
17	05:51	NE 30 G 40	10.00	Overcast and Windy	BKN025 OVC037	36	28			73%	23	NA	30.18	1022.1
17	04:51	NE 25 G 32	10.00	Overcast and Breezy	OVC023	37	26			65%	25	NA	30.13	1020.3
17	03:51	NE 23 G 31	10.00	Overcast and Breezy	FEW014 OVC025	40	34			79%	30	NA	30.07	1018.4
17	02:51	N 24 G 32	10.00	Overcast and Breezy	FEW012 BKN028 OVC140	43	32			65%	34	NA	30.04	1017.2
17	01:51	N 20 G 32	10.00	Overcast	OVC008	41	37			86%	32	NA	30.02	1016.5
17	00:51	N 23 G 37	10.00	Overcast and Breezy	OVC012	42	37	70	42	82%	32	NA	29.98	1015.2

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

Chicago Weather O'Hare Data February 14 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.

14	23:51	N 14	10.00	Fair	CLR	1	-13	5	1	51%	-18	NA	30.46	1033.2
14	22:51	N 14	10.00	Fair	CLR	2	-12			52%	-16	NA	30.45	1032.6
14	21:51	N 17	10.00	Fair	CLR	2	-11			54%	-18	NA	30.45	1032.9
14	20:51	NW 16	10.00	A Few Clouds	FEW030	3	-10			54%	-16	NA	30.45	1032.6
14	19:51	NW 17	10.00	A Few Clouds	FEW030	4	-10			52%	-15	NA	30.43	1032.1
14	18:51	NW 16	10.00	A Few Clouds	FEW030	4	-10			52%	-15	NA	30.40	1031.0
14	17:51	NW 18	10.00	A Few Clouds	FEW035	5	-9	11	5	52%	-15	NA	30.37	1029.7
14	16:51	N 21 G 28	10.00	A Few Clouds and Breezy	FEW040	6	-11			45%	-15	NA	30.31	1027.7
14	15:51	N 25 G 31	10.00	Partly Cloudy and Breezy	SCT040	7	-10			45%	-15	NA	30.27	1026.4
14	14:51	NW 25 G 32	10.00	Partly Cloudy and Breezy	SCT040	8	-7			50%	-13	NA	30.22	1024.7
14	13:51	N 23 G 36	10.00	Mostly Cloudy and Breezy	FEW035 BKN049 BKN055	8	-10			43%	-13	NA	30.18	1023.3
14	12:51	NW 29 G 39	10.00	Mostly Cloudy and Windy	BKN035 BKN047	10	-6			48%	-12	NA	30.15	1022.0
14	11:51	NW 29 G 39	7.00	Overcast and Windy	SCT029 BKN036 OVC047	10	-3	23	10	55%	-12	NA	30.11	1020.7
14	10:51	NW 26 G 37	7.00	Light Snow and Windy	FEW024 BKN036 BKN043	11	1			64%	-10	NA	30.06	1019.1
14	09:51	N 29 G 37	5.00	Light Snow Blowing Snow and Windy	SCT025 BKN034 OVC039	11	2			67%	-11	NA	30.01	1017.5
14	08:51	N 23 G 36	3.00	Light Snow Blowing Snow and Breezy	SCT025 BKN035 BKN050	12	5			73%	-7	NA	29.95	1015.4
14	07:51	NW 29 G 38	5.00	Light Snow and Windy	BKN028 OVC034	15	6			67%	-5	NA	29.89	1013.2
14	06:51	NW 21	1.25	Light Snow and Breezy	FEW017 BKN023 OVC028	20	14			78%	4	NA	29.82	1010.9
14	05:51	NW 17	9.00	Light Snow	OVC027	23	14	27	23	68%	9	NA	29.78	1009.3
14	04:51	N 15	10.00	Light Snow	OVC024	25	17			72%	13	NA	29.77	1009.0
14	03:51	W 10	10.00	Overcast	OVC031	27	18			69%	18	NA	29.79	1009.6
14	02:51	W 13 G 21	10.00	Overcast	OVC030	27	19			72%	16	NA	29.80	1010.0
14	01:51	W 9	10.00	Overcast	BKN030 OVC035	27	20			75%	18	NA	29.81	1010.3
14	00:51	W 8	10.00	Overcast	OVC028	26	19			75%	18	NA	29.84	1011.4

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

Chicago Weather O'Hare Data October 31 2014 -- First Time for Measurable Snow (.01") on Halloween

31	23:51	N 16 G 24	10.00	Light Snow	OVC039	35	21			57%	25	NA	30.34	1028.0
31	22:51	N 16	9.00	Light Snow	BKN038 OVC048	34	24			67%	24	NA	30.34	1028.0	0.01
31	21:51	N 18	9.00	Light Snow	BKN038 OVC050	36	21			55%	26	NA	30.34	1028.1
31	20:51	N 24 G 33	9.00	Light Snow and Breezy	OVC045	36	19			50%	24	NA	30.32	1027.3
31	19:51	N 22 G 32	10.00	Overcast and Breezy	FEW038 BKN049 OVC060	37	20			50%	26	NA	30.32	1027.3
31	18:51	N 25 G 35	10.00	Overcast and Breezy	BKN043 OVC050	37	19	41	37	48%	25	NA	30.30	1026.7
31	17:51	N 25 G 37	10.00	Overcast and Breezy	OVC045	38	19			46%	27	NA	30.28	1026.1
31	16:51	N 29 G 38	10.00	Overcast and Windy	BKN045 OVC050	38	20			48%	26	NA	30.25	1024.8
31	15:51	N 29 G 37	10.00	Overcast and Windy	OVC043	39	21			48%	27	NA	30.22	1023.7
31	14:51	N 26 G 37	10.00	Overcast and Windy	OVC041	39	23			53%	28	NA	30.19	1022.8
31	13:51	N 33 G 47	10.00	Mostly Cloudy and Windy	BKN041	40	23			51%	28	NA	30.17	1022.0
31	12:51	N 32 G 43	10.00	Mostly Cloudy and Windy	BKN039 BKN060	41	24	41	33	51%	29	NA	30.15	1021.3			0.02
31	11:51	NW 29 G 41	10.00	Overcast and Windy	BKN037 OVC044	37	24			59%	25	NA	30.15	1021.5
31	10:51	N 30 G 43	10.00	Overcast and Windy	FEW024 BKN043 OVC100	37	25			62%	24	NA	30.15	1021.3
31	09:51	N 26 G 35	10.00	Mostly Cloudy and Windy	FEW028 BKN034 BKN046 BKN140	39	28			65%	28	NA	30.12	1020.4		0.02
31	08:51	N 20 G 30	10.00	Mostly Cloudy	FEW020 BKN030 BKN130	37	31			79%	27	NA	30.11	1020.1
31	07:51	NW 17	7.00	Light Snow	BKN016 OVC021	34	31			89%	23	NA	30.10	1019.8	0.02
31	06:51	NW 23 G 29	10.00	Mostly Cloudy and Breezy	BKN030 BKN090	36	26	47	36	67%	24	NA	30.08	1019.0
31	05:51	NW 25 G 31	10.00	Overcast and Breezy	SCT028 BKN035 OVC080	39	28			65%	28	NA	30.06	1018.2
31	04:51	N 15 G 22	10.00	Overcast	FEW025 OVC060	42	31			65%	34	NA	30.04	1017.4
31	03:51	NW 17	10.00	Light Rain	OVC048	43	36			76%	35	NA	30.03	1017.1
31	02:51	N 22 G 28	10.00	Light Rain and Breezy	BKN025 OVC030	44	33			65%	35	NA	30.03	1017.0
31	01:51	NW 10	10.00	Overcast	OVC041	47	36			66%	42	NA	30.01	1016.6
31	00:51	W 9	10.00	Overcast	BKN044 OVC060	47	36	48	45	66%	43	NA	30.02	1016.7

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