Chicago Weather O'Hare Data January 31 2014

31	23:51	N 3	3.00	Light Snow	OVC028	22	16	23	21	78%	NA	NA	30.06	1019.0	0.01		0.01
31	22:51	Calm	3.00	Light Snow	OVC036	21	16			80%	NA	NA	30.07	NA
31	21:51	Calm	6.00	Light Snow	OVC036	22	13			68%	NA	NA	30.09	1019.8
31	20:51	Calm	10.00	Overcast	OVC065	23	11			60%	NA	NA	30.09	1020.0
31	19:51	Calm	10.00	Overcast	FEW039 BKN110 OVC250	22	11			63%	NA	NA	30.09	1020.0
31	18:51	Calm	10.00	Overcast	FEW043 SCT110 BKN130 OVC250	22	9			57%	NA	NA	30.10	1020.2
31	17:51	W 5	10.00	Overcast	FEW060 BKN120 OVC250	22	9	23	21	57%	15	NA	30.09	1020.0
31	16:51	W 3	10.00	Overcast	OVC070	23	10			57%	NA	NA	30.09	1020.1
31	15:51	W 6	10.00	Overcast	OVC070	23	10			57%	16	NA	30.11	1020.5
31	14:51	W 7	10.00	Overcast	FEW100 SCT210 OVC250	23	9			55%	15	NA	30.09	1020.0
31	13:51	W 8	10.00	Overcast	BKN085 OVC250	23	8			53%	14	NA	30.11	1020.5
31	12:51	SW 6	10.00	Overcast	FEW075 OVC250	23	9			55%	16	NA	30.11	1020.5
31	11:51	SW 8	10.00	Overcast	FEW100 OVC250	21	7	21	17	54%	11	NA	30.13	1021.3
31	10:51	Calm	10.00	Overcast	FEW110 OVC250	19	5			54%	NA	NA	30.14	1021.7
31	09:51	Calm	10.00	Overcast	OVC250	19	4			52%	NA	NA	30.12	1021.0
31	08:51	N 6	10.00	Overcast	OVC250	17	3			54%	8	NA	30.11	1020.6
31	07:51	NW 5	10.00	Overcast	SCT120 OVC250	17	3			54%	9	NA	30.08	1019.4
31	06:51	NW 9	10.00	Overcast	SCT140 OVC250	18	6			59%	7	NA	30.05	1018.5
31	05:51	NW 9	10.00	Overcast	FEW200 OVC250	18	6	29	18	59%	7	NA	30.03	1018.0
31	04:51	NW 9	10.00	Overcast	OVC250	20	11			68%	10	NA	30.01	1017.1
31	03:51	NW 10	10.00	Overcast	OVC150	21	12			68%	10	NA	29.98	1016.0
31	02:51	NW 9	10.00	Overcast	OVC180	23	14			68%	13	NA	29.98	1016.0
31	01:51	NW 13	10.00	Overcast	SCT220 OVC250	24	16			71%	12	NA	29.95	1014.8
31	00:51	W 10	10.00	Mostly Cloudy	FEW033 SCT210 BKN240	25	17			72%	15	NA	29.91	1013.5

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ...

Chicago Weather O'Hare Data January 30 2014

30	23:51	W 10	10.00	Overcast	OVC033	29	20	33	29	69%	20	NA	29.88	1012.5
30	22:51	W 13	10.00	Overcast	FEW016 OVC031	31	22			69%	21	NA	29.84	1011.2
30	21:51	W 14	10.00	Overcast	FEW018 OVC033	32	24			73%	22	NA	29.81	1010.2
30	20:51	SW 13	10.00	Overcast	OVC027	33	24			70%	24	NA	29.78	1009.2
30	19:51	SW 9	10.00	Overcast	FEW018 OVC038	32	24			73%	24	NA	29.76	1008.5
30	18:51	SW 16 G 26	10.00	Overcast	FEW018 OVC041	31	23			72%	20	NA	29.74	1007.7
30	17:51	SW 18 G 28	10.00	Overcast	BKN018 OVC045	31	23	32	28	72%	19	NA	29.71	1006.9
30	16:51	SW 17 G 25	10.00	Overcast	BKN017 OVC023	30	23			75%	18	NA	29.70	1006.7
30	15:51	SW 23 G 32	4.00	Light Snow and Breezy	BKN015 OVC020	30	23			75%	17	NA	29.68	1006.0
30	14:51	SW 22 G 29	2.00	Light Snow and Breezy	BKN010 BKN017 OVC042	29	23			78%	15	NA	29.66	1005.3
30	13:51	SW 29 G 43	6.00	Light Snow and Windy	BKN030 OVC038	32	14			47%	18	NA	29.64	1004.3
30	12:51	S 22 G 35	10.00	Overcast and Breezy	BKN090 OVC250	31	11			43%	18	NA	29.65	1004.9
30	11:51	S 25 G 37	10.00	Overcast and Breezy	FEW110 SCT180 OVC250	28	11	28	22	49%	13	NA	29.67	1005.6
30	10:51	S 21 G 33	10.00	Overcast and Breezy	FEW080 BKN110 OVC250	26	10			51%	12	NA	29.72	1007.4
30	09:51	S 25 G 35	10.00	Overcast and Breezy	FEW090 BKN110 OVC250	25	9			50%	9	NA	29.78	1009.2
30	08:51	S 18 G 31	10.00	Overcast	BKN130 OVC250	24	9			52%	10	NA	29.81	1010.3
30	07:51	S 20 G 31	10.00	Overcast	OVC130	23	9			55%	8	NA	29.82	1010.6
30	06:51	S 18 G 28	10.00	Overcast	OVC170	22	8			55%	8	NA	29.83	1011.0
30	05:51	S 20 G 28	10.00	Overcast	FEW200 OVC250	23	8	23	20	53%	8	NA	29.86	1012.2
30	04:51	S 21 G 29	10.00	Overcast and Breezy	OVC210	23	7			50%	8	NA	29.87	1012.4
30	03:51	S 16 G 26	10.00	Mostly Cloudy	BKN240	22	7			52%	8	NA	29.89	1013.3
30	02:51	S 13	10.00	A Few Clouds	FEW250	21	6			52%	8	NA	29.91	1013.9
30	01:51	S 17 G 26	10.00	A Few Clouds	FEW250	21	5			50%	7	NA	29.92	1014.3
30	00:51	S 16	10.00	Partly Cloudy	SCT250	20	5			52%	6	NA	29.95	1015.2

Remainder of data table published after midnight ...
CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ...

Chicago Weather O'Hare Data January 29 2014

29	23:51	S 16	10.00	A Few Clouds	FEW250	21	4	23	16	47%	7	NA	29.97	1016.0
29	22:51	S 18 G 30	10.00	A Few Clouds	FEW250	22	4			46%	8	NA	29.99	1016.6
29	21:51	S 22 G 28	10.00	A Few Clouds and Breezy	FEW250	23	4			44%	8	NA	30.00	1017.1
29	20:51	S 16	10.00	Fair	CLR	22	4			46%	8	NA	30.01	1017.5
29	19:51	S 10	10.00	A Few Clouds	FEW250	17	4			56%	5	NA	30.03	1018.2
29	18:51	S 10	10.00	A Few Clouds	FEW250	18	4			54%	6	NA	30.05	1019.1
29	17:51	S 10	10.00	Fair	CLR	20	4	22	17	50%	9	NA	30.06	1019.4
29	16:51	S 14	10.00	A Few Clouds	FEW250	21	3			45%	8	NA	30.08	1020.1
29	15:51	SW 17 G 23	10.00	A Few Clouds	FEW250	22	1			40%	8	NA	30.10	1020.5
29	14:51	SW 16 G 24	10.00	Fair	CLR	21	-0			39%	7	NA	30.11	1021.1
29	13:51	W 18 G 24	10.00	A Few Clouds	FEW250	20	-2			38%	5	NA	30.13	1021.6
29	12:51	W 16 G 24	10.00	Fair	CLR	19	-3			37%	4	NA	30.14	1022.0
29	11:51	W 14	10.00	Fair	CLR	17	-3	17	1	41%	3	NA	30.15	1022.4
29	10:51	W 16 G 22	10.00	Fair	CLR	15	-5			40%	-1	NA	30.17	1023.2
29	09:51	W 14	10.00	Fair	CLR	11	-7			44%	-5	NA	30.18	1023.5
29	08:51	W 12	10.00	Fair	CLR	7	-8			50%	-9	NA	30.18	1023.5
29	07:51	W 12	10.00	Fair	CLR	3	-9			57%	-14	NA	30.17	1023.4
29	06:51	SW 10	10.00	A Few Clouds	FEW120	2	-9			59%	-13	NA	30.16	1023.0
29	05:51	W 10	10.00	Fair	CLR	2	-9	3	1	59%	-13	NA	30.16	1023.1
29	04:51	SW 8	10.00	Fair	CLR	3	-8			60%	-10	NA	30.17	1023.3
29	03:51	SW 9	10.00	Fair	CLR	3	-8			60%	-11	NA	30.17	1023.3
29	02:51	SW 8	10.00	Fair	CLR	2	-8			63%	-12	NA	30.17	1023.5
29	01:51	SW 7	10.00	Fair	CLR	2	-8			63%	-11	NA	30.18	1023.6
29	00:51	SW 7	10.00	Fair	CLR	2	-8			63%	-11	NA	30.19	1023.9