Chicago Weather O'Hare Data January 31 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.

31	23:51	NE 8	0.75	Light Snow Fog/Mist	BKN005 OVC010	30	29	35	30	96%	22	NA	30.14	1021.3	0.03		0.12
31	22:51	E 8	0.75	Light Snow Fog/Mist	OVC005	31	29			92%	24	NA	30.15	1021.8	0.04
31	21:51	E 8	1.25	Light Snow Fog/Mist	SCT006 OVC012	31	29			92%	24	NA	30.15	1021.6	0.03
31	20:51	NE 8	1.50	Light Snow Fog/Mist	OVC011	31	29			92%	24	NA	30.14	1021.5	0.02	0.02
31	19:51	Calm	8.00	Light Snow	OVC017	34	28			79%	NA	NA	30.16	1022.1
31	18:51	Calm	10.00	Overcast	OVC021	34	28			79%	NA	NA	30.16	1022.3
31	17:51	Calm	10.00	Overcast	BKN023 OVC029	35	27	36	34	72%	NA	NA	30.17	1022.4
31	16:51	W 6	10.00	Overcast	FEW024 BKN047 BKN090 OVC200	35	26			70%	30	NA	30.16	1022.2
31	15:51	W 6	10.00	Overcast	FEW065 BKN090 OVC200	36	26			67%	31	NA	30.16	1022.1
31	14:51	W 8	10.00	Overcast	SCT065 BKN080 OVC200	35	25			67%	28	NA	30.16	1022.1
31	13:51	W 9	10.00	Overcast	BKN065 OVC080	34	24			67%	27	NA	30.16	1022.1
31	12:51	W 10	10.00	Overcast	FEW070 BKN085 OVC250	35	23			61%	27	NA	30.16	1022.1
31	11:51	W 13	10.00	Mostly Cloudy	BKN085 BKN250	35	23	35	24	61%	26	NA	30.18	1022.9
31	10:51	W 13	10.00	Mostly Cloudy	SCT085 BKN250	33	21			61%	24	NA	30.20	1023.6
31	09:51	SW 12	10.00	Mostly Cloudy	BKN085	31	20			64%	22	NA	30.21	1024.1
31	08:51	SW 9	10.00	Partly Cloudy	SCT048 SCT200	28	20			72%	19	NA	30.23	1024.5
31	07:51	SW 7	10.00	Mostly Cloudy	SCT045 BKN200	25	19			78%	17	NA	30.23	1024.5
31	06:51	SW 8	10.00	Mostly Cloudy	BKN048	24	18			77%	15	NA	30.23	1024.7
31	05:51	SW 6	10.00	Fair	CLR	24	18	26	19	77%	17	NA	30.24	1025.0
31	04:51	SW 8	10.00	Mostly Cloudy	BKN095	25	18			75%	16	NA	30.24	1025.0
31	03:51	SW 6	10.00	Overcast	OVC095	26	18			71%	19	NA	30.26	1025.6
31	02:51	SW 6	10.00	Overcast	OVC100	24	17			75%	17	NA	30.28	1026.5
31	01:51	SW 5	10.00	Overcast	OVC100	23	16			74%	17	NA	30.30	1027.0
31	00:51	S 6	10.00	Overcast	OVC095	21	14			74%	13	NA	30.31	1027.4

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



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