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	Helena Regional Airport

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D a t e	Time (mdt)	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.
18	19:53	N 14	10.00	Mostly Cloudy	BKN055	39	18			43%	31	NA	30.27	1029.9
18	18:53	N 16	10.00	Overcast	OVC110	42	17			36%	34	NA	30.26	1029.5
18	17:53	N 16 G 21	10.00	Partly Cloudy	SCT065	43	16	46	38	34%	35	NA	30.25	1029.0
18	16:53	NE 10	10.00	Overcast	OVC065	43	14			31%	37	NA	30.25	1028.8
18	15:53	NE 9	10.00	Mostly Cloudy	BKN065	45	15			30%	40	NA	30.26	1028.9
18	14:53	Vrbl 3	10.00	Fair	CLR	44	14			30%	NA	NA	30.28	1029.4
18	13:53	Calm	10.00	A Few Clouds	FEW050	42	15			33%	NA	NA	30.29	1030.2
18	12:53	N 9 G 17	10.00	A Few Clouds	FEW050	40	14			35%	34	NA	30.31	1030.9
18	11:53	NE 9	10.00	Partly Cloudy	SCT055	39	14	39	24	36%	33	NA	30.34	1031.6
18	10:53	Calm	10.00	Fair	CLR	35	15			44%	NA	NA	30.36	1032.7
18	09:53	NE 5	10.00	Fair	CLR	36	15			42%	32	NA	30.37	1032.8
18	08:53	Vrbl 3	10.00	Fair	CLR	31	16			54%	NA	NA	30.38	1033.7
18	07:53	Calm	10.00	Fair	CLR	27	17			66%	NA	NA	30.38	1034.1
18	06:53	Calm	10.00	Fair	CLR	24	15			68%	NA	NA	30.38	1034.1
18	05:53	Calm	10.00	Fair	CLR	25	16	33	24	69%	NA	NA	30.37	1033.7
18	04:53	W 8	10.00	Mostly Cloudy	SCT048 BKN070	25	16			69%	16	NA	30.38	1033.9
18	03:53	W 7	10.00	Fair	CLR	24	16			71%	16	NA	30.38	1033.7
18	02:53	W 7	10.00	Fair	CLR	28	17			63%	21	NA	30.38	1033.6
18	01:53	W 6	10.00	Fair	CLR	28	17			63%	21	NA	30.38	1033.7
18	00:53	W 7	10.00	Mostly Cloudy	BKN042	30	19			64%	23	NA	30.39	1033.9
17	23:53	W 7	10.00	Overcast	OVC040	33	19	36	32	56%	27	NA	30.38	1033.6
17	22:53	Calm	10.00	Mostly Cloudy	BKN038 BKN090	33	19			56%	NA	NA	30.38	1033.4
17	21:53	NW 5	10.00	Overcast	OVC041	34	17			50%	29	NA	30.38	1033.5
17	20:53	N 6	10.00	Mostly Cloudy	FEW041 BKN070	34	18			52%	29	NA	30.36	1032.8
17	19:53	N 12	10.00	Mostly Cloudy	FEW041 BKN050 BKN060	35	19			52%	27	NA	30.34	1032.0
17	18:53	N 14	10.00	Mostly Cloudy	SCT043 BKN050 BKN095	36	20			52%	27	NA	30.32	1031.6
17	17:53	N 14 G 22	8.00	Light Snow	SCT035 BKN043 BKN050	36	22	40	35	57%	27	NA	30.32	1031.2
17	16:53	N 16 G 24	10.00	Overcast	SCT030 BKN044 OVC090	37	23			57%	28	NA	30.30	1030.5
17	15:53	N 21 G 30	10.00	Overcast and Breezy	FEW027 BKN033 OVC090	40	22			49%	30	NA	30.28	1029.2
17	14:53	N 21 G 35	10.00	Overcast and Breezy	FEW038 OVC070	38	20			48%	28	NA	30.27	1028.9
17	13:53	N 20 G 30	10.00	Mostly Cloudy	FEW037 SCT065 BKN085	38	19			46%	28	NA	30.25	1028.4
17	12:53	N 18 G 24	10.00	Overcast	FEW040 OVC055	36	17			46%	26	NA	30.24	1028.1
17	11:53	NW 14	10.00	Overcast	BKN038 OVC045	35	18	35	30	50%	26	NA	30.23	1027.9
17	10:53	N 12	10.00	Overcast	OVC036	34	19			54%	25	NA	30.23	1027.5
17	09:53	N 14	10.00	Fair	CLR	33	19			56%	23	NA	30.21	1026.6
17	08:53	N 15 G 22	10.00	Overcast	OVC031	31	20			64%	20	NA	30.20	1026.3
17	07:53	N 13	10.00	Overcast	OVC027	31	21			67%	21	NA	30.20	1026.0
17	06:53	NW 9	3.00	Light Snow	FEW016 BKN035 OVC045	30	25			82%	22	NA	30.16	1024.6
17	05:53	N 16 G 28	2.50	Light Snow	FEW020 SCT030 OVC036	31	24	38	30	76%	20	NA	30.13	1023.0			0.01
17	04:53	W 7	1.50	Light Snow Fog/Mist	BKN014 OVC022	32	29			88%	25	NA	30.11	1022.2	0.01
17	03:53	W 7	3.00	Light Snow	BKN025 OVC046	33	27			78%	27	NA	30.09	1021.5
17	02:53	N 9	10.00	Overcast	OVC050	36	24			62%	29	NA	30.08	1020.6
17	01:53	N 12	10.00	Mostly Cloudy	BKN049 BKN060	36	26			67%	28	NA	30.08	1020.3
17	00:53	N 12	10.00	Overcast	SCT039 BKN050 OVC065	37	27			67%	29	NA	30.07	1020.0
16	23:53	NW 8	10.00	Partly Cloudy	SCT060	37	26	53	37	65%	31	NA	30.05	1019.5
16	22:53	N 14	10.00	A Few Clouds	FEW075	40	26			58%	32	NA	30.02	1018.4
16	21:53	NW 22 G 31	10.00	A Few Clouds and Breezy	FEW110	45	16			31%	37	NA	30.01	1018.0
16	20:53	NW 12	10.00	Overcast	OVC080	46	15			29%	40	NA	29.98	1017.1
16	19:53	NW 20 G 26	10.00	A Few Clouds	FEW075	47	16			29%	40	NA	29.95	1015.9
16	18:53	N 23 G 31	10.00	Fair and Breezy	CLR	49	18			29%	42	NA	29.93	1015.3
16	17:53	NW 16	10.00	Fair	CLR	53	20	58	52	27%	NA	NA	29.92	1014.2
16	16:53	N 17 G 29	10.00	Fair	CLR	53	20			27%	NA	NA	29.90	1013.7
16	15:53	W 21 G 30	10.00	Fair and Breezy	CLR	55	22			28%	NA	NA	29.89	1013.0
16	14:53	NW 16 G 26	10.00	Mostly Cloudy	BKN085	57	23			27%	NA	NA	29.90	1013.0
16	13:53	W 17 G 30	10.00	Partly Cloudy	SCT080	57	24			28%	NA	NA	29.90	1013.2
16	12:53	W 17 G 28	10.00	A Few Clouds	FEW080	56	25			30%	NA	NA	29.91	1013.5
16	11:53	W 18 G 25	10.00	A Few Clouds	FEW075	55	24	55	44	30%	NA	NA	29.95	1014.8
16	10:53	W 14 G 22	10.00	Fair	CLR	53	25			34%	NA	NA	29.97	1015.4
16	09:53	W 10 G 18	10.00	Fair	CLR	49	25			39%	45	NA	29.98	1016.1
16	08:53	W 9	10.00	Mostly Cloudy	BKN060	47	25			42%	43	NA	30.00	1016.9
16	07:53	W 10	10.00	Partly Cloudy	SCT055	47	28			48%	42	NA	30.00	1016.6
16	06:53	W 9	10.00	Fair	CLR	45	27			49%	40	NA	29.98	1016.1
16	05:53	W 6	10.00	Fair	CLR	46	26	52	45	46%	43	NA	29.97	1015.4
16	04:53	W 6	10.00	Fair	CLR	46	26			46%	43	NA	29.98	1015.2
16	03:53	W 10 G 24	10.00	Fair	CLR	48	25			41%	44	NA	29.96	1014.4
16	02:53	NW 14	10.00	Fair	CLR	49	27			43%	44	NA	29.94	1013.7
16	01:53	W 12	10.00	Fair	CLR	50	27			41%	45	NA	29.93	1013.5
16	00:53	W 15 G 22	10.00	Fair	CLR	50	26			39%	45	NA	29.93	1013.3
15	23:53	W 9	10.00	Fair	CLR	51	26	64	50	38%	NA	NA	29.92	1013.2
15	22:53	NW 14 G 18	10.00	Fair	CLR	53	27			37%	NA	NA	29.90	1012.5
15	21:53	W 9	10.00	Fair	CLR	54	28			37%	NA	NA	29.89	1012.1
15	20:53	W 16 G 24	10.00	A Few Clouds	FEW110	56	28			34%	NA	NA	29.87	1011.5
D a t e	Time (mdt)	Wind (mph)	Vis. (mi.)	Weather	Sky Cond.	Air	Dwpt	Max.	Min.	Relative Humidity	Wind Chill (°F)	Heat Index (°F)	altimeter (in.)	sea level (mb)	1 hr	3 hr	6 hr
								6 hour
						Temperature (ºF)							Pressure		Precipitation (in.)

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