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	Ortonville Municipal-Martinson Field Airport

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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.
19	01:34	SE 6	10.00	Mostly Cloudy	BKN090	64	55			73%	NA	NA	30.00	NA
19	01:14	SE 6	10.00	Partly Cloudy	SCT090	64	55			73%	NA	NA	30.00	NA
19	00:54	SE 6	10.00	Partly Cloudy	SCT080	66	55			68%	NA	NA	30.00	NA
19	00:33	SE 7	10.00	Fair	CLR	66	55			68%	NA	NA	30.00	NA
19	00:21	SE 8	10.00	Partly Cloudy	SCT080	66	55			68%	NA	NA	30.00	NA
18	23:59	SE 9	10.00	Partly Cloudy	SCT080	68	55			64%	NA	NA	29.99	NA
18	23:54	SE 9	10.00	Partly Cloudy	SCT080	68	55			64%	NA	NA	29.99	NA
18	23:34	SE 7	10.00	Partly Cloudy	SCT080	68	55			64%	NA	NA	29.99	NA
18	23:13	SE 8	10.00	Fair	CLR	70	54			57%	NA	NA	30.00	NA
18	22:54	SE 8	10.00	Partly Cloudy	SCT070 SCT090	70	54			57%	NA	NA	29.99	NA
18	22:34	SE 6	10.00	Overcast	BKN070 OVC090	70	54			57%	NA	NA	30.00	NA
18	22:13	E 7	7.00	Mostly Cloudy	SCT080 BKN090	70	54			57%	NA	NA	30.00	NA
18	21:54	E 7	10.00	Partly Cloudy	SCT080	72	54			53%	NA	NA	30.00	NA
18	21:34	E 6	10.00	Fair	CLR	72	54			53%	NA	NA	29.99	NA
18	21:13	E 7	10.00	Fair	CLR	73	52			47%	NA	NA	29.98	NA
18	20:54	SE 7	10.00	Fair	CLR	73	52			47%	NA	NA	29.97	NA
18	20:34	E 7	10.00	Fair	CLR	75	52			44%	NA	NA	29.98	NA
18	20:14	E 8	10.00	Fair	CLR	75	52			44%	NA	NA	29.98	NA
18	19:54	SE 8	10.00	Fair	CLR	75	52			44%	NA	NA	29.99	NA
18	19:33	E 7	10.00	Fair	CLR	77	52			42%	NA	78	29.99	NA
18	19:14	SE 5	10.00	Fair	CLR	77	52			42%	NA	78	29.99	NA
18	18:54	SE 7	10.00	Fair	CLR	77	52			42%	NA	78	29.99	NA
18	18:33	S 5	10.00	Fair	CLR	77	52			42%	NA	78	30.00	NA
18	18:14	SE 3	10.00	Fair	CLR	77	52			42%	NA	78	30.00	NA
18	17:54	SW 6	10.00	Fair	CLR	79	52			39%	NA	79	30.01	NA
18	17:34	S 6	10.00	Fair	CLR	77	52			42%	NA	78	30.01	NA
18	17:14	Calm	10.00	Fair	CLR	77	52			42%	NA	78	30.01	NA
18	16:53	Calm	10.00	Fair	CLR	77	50			39%	NA	78	30.02	NA
18	16:34	Calm	10.00	Fair	CLR	77	52			42%	NA	78	30.02	NA
18	16:14	S 5	10.00	Fair	CLR	77	50			39%	NA	78	30.03	NA
18	15:54	S 5	10.00	Partly Cloudy	SCT050	75	52			44%	NA	NA	30.03	NA
18	15:34	S 6	10.00	Partly Cloudy	SCT048	77	54			44%	NA	78	30.04	NA
18	15:13	SE 6	10.00	Fair	CLR	75	55			50%	NA	NA	30.04	NA
18	14:54	E 3	10.00	Fair	CLR	75	52			44%	NA	NA	30.04	NA
18	14:34	SE 6	10.00	Fair	CLR	75	52			44%	NA	NA	30.04	NA
18	14:13	E 6	10.00	Fair	CLR	75	52			44%	NA	NA	30.05	NA
18	13:54	E 9	10.00	Fair	CLR	73	54			50%	NA	NA	30.05	NA
18	13:34	E 6	10.00	Fair	CLR	73	54			50%	NA	NA	30.05	NA
18	13:14	NE 5	10.00	Fair	CLR	72	54			53%	NA	NA	30.06	NA
18	12:54	E 7	10.00	Fair	CLR	72	55			57%	NA	NA	30.08	NA
18	12:34	NE 3	10.00	Fair	CLR	72	55			57%	NA	NA	30.08	NA
18	12:14	E 5	10.00	Fair	CLR	70	55			60%	NA	NA	30.08	NA
18	11:53	NE 3	10.00	Fair	CLR	70	55			60%	NA	NA	30.08	NA
18	11:34	E 6	10.00	Fair	CLR	70	55			60%	NA	NA	30.09	NA
18	11:14	E 7	10.00	Fair	CLR	70	55			60%	NA	NA	30.09	NA
18	10:53	NE 3	10.00	Fair	CLR	68	55			64%	NA	NA	30.09	NA
18	10:34	Calm	10.00	Fair	CLR	66	55			68%	NA	NA	30.10	NA
18	10:14	Calm	10.00	Fair	CLR	64	55			73%	NA	NA	30.09	NA
18	09:54	E 7	10.00	Fair	CLR	64	55			73%	NA	NA	30.08	NA
18	09:34	SE 3	10.00	Fair	CLR	64	54			68%	NA	NA	30.09	NA
18	09:13	Calm	10.00	Fair	CLR	63	54			73%	NA	NA	30.10	NA
18	08:54	E 6	10.00	Fair	CLR	61	54			77%	NA	NA	30.09	NA
18	08:34	E 3	10.00	Fair	CLR	61	54			77%	NA	NA	30.10	NA
18	08:13	Calm	10.00	Fair	CLR	61	54			77%	NA	NA	30.10	NA
18	07:54	E 7	10.00	Fair	CLR	61	54			77%	NA	NA	30.08	NA
18	07:34	E 5	10.00	Fair	CLR	59	54			82%	NA	NA	30.09	NA
18	07:13	E 6	10.00	Fair	CLR	57	54			88%	NA	NA	30.09	NA
18	06:54	E 5	10.00	Fair	CLR	57	54			88%	NA	NA	30.10	NA
18	06:34	E 6	10.00	Fair	CLR	57	52			82%	NA	NA	30.09	NA
18	06:13	E 8	10.00	Fair	CLR	57	54			88%	NA	NA	30.08	NA
18	05:54	E 3	10.00	Fair	CLR	55	52			88%	NA	NA	30.08	NA
18	05:34	Calm	10.00	Fair	CLR	57	52			82%	NA	NA	30.08	NA
18	05:13	E 3	10.00	Fair	CLR	57	54			88%	NA	NA	30.07	NA
18	04:54	E 3	10.00	Fair	CLR	57	54			88%	NA	NA	30.07	NA
18	04:34	Calm	10.00	Fair	CLR	57	54			88%	NA	NA	30.07	NA
18	04:13	E 3	10.00	Fair	CLR	59	54			82%	NA	NA	30.06	NA
18	03:54	E 5	10.00	Fair	CLR	59	55			88%	NA	NA	30.06	NA
18	03:34	NE 5	10.00	Fair	CLR	61	55			83%	NA	NA	30.06	NA
18	03:14	E 6	10.00	Fair	CLR	61	57			88%	NA	NA	30.04	NA
18	02:54	NE 7	10.00	Fair	CLR	63	57			83%	NA	NA	30.04	NA
18	02:34	E 3	10.00	Partly Cloudy	SCT095	63	55			77%	NA	NA	30.04	NA
18	02:14	E 6	10.00	Partly Cloudy	SCT095	63	55			77%	NA	NA	30.03	NA
18	01:54	E 3	10.00	Fair	CLR	63	54			73%	NA	NA	30.03	NA
18	01:33	Calm	10.00	Partly Cloudy	SCT060	63	55			77%	NA	NA	30.03	NA
18	01:14	E 3	10.00	Fair	CLR	63	54			73%	NA	NA	30.03	NA
18	00:54	E 7	10.00	Partly Cloudy	SCT070 SCT100 SCT110	63	55			77%	NA	NA	30.02	NA
18	00:33	E 6	10.00	Partly Cloudy	SCT080 SCT110	64	54			68%	NA	NA	30.03	NA
18	00:14	E 7	10.00	Mostly Cloudy	SCT080 BKN110	66	54			64%	NA	NA	30.02	NA
17	23:54	Calm	10.00	Mostly Cloudy	SCT060 SCT075 BKN080	70	55			60%	NA	NA	30.01	NA
17	23:33	Calm	10.00	Mostly Cloudy	SCT060 BKN075 BKN080	70	55			60%	NA	NA	30.01	NA
17	23:14	Calm	10.00	Mostly Cloudy	SCT060 BKN065	70	54			57%	NA	NA	30.01	NA
17	22:54	N 5	10.00	Thunderstorm in Vicinity	SCT060 BKN065 BKN100	70	54			57%	NA	NA	30.01	NA
17	22:33	NE 7	10.00	Mostly Cloudy	SCT060 BKN100	70	52			53%	NA	NA	30.01	NA
17	22:14	N 16	10.00	Partly Cloudy	SCT060 SCT100	70	54			57%	NA	NA	30.01	NA
17	21:53	N 8	10.00	Partly Cloudy	SCT120	70	54			57%	NA	NA	29.99	NA
17	21:34	NW 7	10.00	Partly Cloudy	SCT065	72	54			53%	NA	NA	29.98	NA
17	21:14	NW 7	10.00	Mostly Cloudy	SCT065 BKN075	72	54			53%	NA	NA	29.98	NA
17	20:53	W 6	10.00	Partly Cloudy	SCT065	73	52			47%	NA	NA	29.97	NA
17	20:34	NW 7	10.00	Fair	CLR	73	52			47%	NA	NA	29.97	NA
17	20:14	NW 7	10.00	Partly Cloudy	SCT065 SCT095	75	52			44%	NA	NA	29.97	NA
17	19:53	NW 6	10.00	Mostly Cloudy	SCT065 SCT075 BKN095	77	52			42%	NA	78	29.97	NA
17	19:33	NW 6	10.00	Partly Cloudy	SCT065 SCT095	77	52			42%	NA	78	29.97	NA
17	19:13	N 7	10.00	Fair	CLR	77	50			39%	NA	78	29.97	NA
17	18:54	NW 7	10.00	Partly Cloudy	SCT065	75	52			44%	NA	NA	29.97	NA
17	18:34	NW 9	10.00	Partly Cloudy	SCT065	75	52			44%	NA	NA	29.97	NA
17	18:13	NW 6 G 9	10.00	Partly Cloudy	SCT095	75	52			44%	NA	NA	29.97	NA
17	17:54	NW 13 G 17	10.00	Fair	CLR	79	52			39%	NA	79	29.97	NA
17	17:34	NW 14 G 17	10.00	Fair	CLR	79	50			37%	NA	79	29.97	NA
17	17:13	NW 13	10.00	Fair	CLR	79	52			39%	NA	79	29.97	NA
17	16:54	NW 12	10.00	Fair	CLR	79	52			39%	NA	79	29.98	NA
17	16:34	NW 12 G 16	10.00	Fair	CLR	79	52			39%	NA	79	29.98	NA
17	16:14	NW 12	10.00	Fair	CLR	79	52			39%	NA	79	29.98	NA
17	15:54	W 15	10.00	Fair	CLR	79	52			39%	NA	79	29.98	NA
17	15:34	NW 13 G 18	10.00	Fair	CLR	79	52			39%	NA	79	29.98	NA
17	15:14	NW 14 G 18	10.00	Fair	CLR	79	52			39%	NA	79	29.98	NA
17	14:54	NW 14 G 20	10.00	Fair	CLR	77	52			42%	NA	78	29.98	NA
17	14:34	NW 12 G 16	10.00	Partly Cloudy	SCT050	77	52			42%	NA	78	29.99	NA
17	14:14	NW 15 G 18	10.00	Fair	CLR	77	54			44%	NA	78	29.99	NA
17	13:54	NW 13 G 17	10.00	Fair	CLR	77	55			47%	NA	79	29.99	NA
17	13:34	NW 13 G 17	10.00	Fair	CLR	75	55			50%	NA	NA	30.00	NA
17	13:13	NW 14 G 20	10.00	Fair	CLR	73	55			53%	NA	NA	30.00	NA
17	12:54	NW 15	10.00	Fair	CLR	73	55			53%	NA	NA	29.99	NA
17	12:34	NW 13	10.00	Fair	CLR	73	55			53%	NA	NA	29.99	NA
17	12:13	NW 15 G 22	10.00	Partly Cloudy	SCT039	73	55			53%	NA	NA	29.99	NA
17	11:54	NW 17 G 21	10.00	Partly Cloudy	SCT037 SCT044	73	55			53%	NA	NA	29.99	NA
17	11:33	NW 15 G 21	10.00	Mostly Cloudy	BKN040	72	54			53%	NA	NA	29.99	NA
17	11:14	NW 13	10.00	Partly Cloudy	SCT036	72	55			57%	NA	NA	29.98	NA
17	10:54	NW 12	10.00	Partly Cloudy	SCT036	72	54			53%	NA	NA	29.98	NA
17	10:33	NW 14 G 17	10.00	Fair	CLR	73	54			50%	NA	NA	29.98	NA
17	10:14	NW 14	10.00	Fair	CLR	72	54			53%	NA	NA	29.98	NA
17	09:54	W 12 G 20	10.00	Fair	CLR	72	54			53%	NA	NA	29.98	NA
17	09:33	NW 10	10.00	Fair	CLR	70	52			53%	NA	NA	29.98	NA
17	09:14	NW 12	10.00	Fair	CLR	70	54			57%	NA	NA	29.98	NA
17	08:53	NW 10	10.00	Fair	CLR	70	54			57%	NA	NA	29.98	NA
17	08:34	W 9	10.00	Fair	CLR	68	54			60%	NA	NA	29.98	NA
17	08:14	NW 9	10.00	Fair	CLR	66	54			64%	NA	NA	29.97	NA
17	07:53	NW 7	10.00	Fair	CLR	66	54			64%	NA	NA	29.97	NA
17	07:34	W 7	10.00	Fair	CLR	64	54			68%	NA	NA	29.98	NA
17	07:14	W 8	10.00	Fair	CLR	64	52			64%	NA	NA	29.97	NA
17	06:53	NW 9	10.00	Fair	CLR	63	52			68%	NA	NA	29.96	NA
17	06:34	NW 9	10.00	Fair	CLR	63	52			68%	NA	NA	29.95	NA
17	06:14	NW 10	10.00	Partly Cloudy	SCT095	63	52			68%	NA	NA	29.95	NA
17	05:53	W 12	10.00	Partly Cloudy	SCT095	64	52			64%	NA	NA	29.95	NA
17	05:34	W 8	10.00	Partly Cloudy	SCT095	63	52			68%	NA	NA	29.95	NA
17	05:14	W 6	10.00	Mostly Cloudy	BKN095	63	52			68%	NA	NA	29.95	NA
17	04:54	W 6	10.00	Overcast	OVC095	64	52			64%	NA	NA	29.94	NA
17	04:34	W 7	10.00	Mostly Cloudy	BKN095	63	52			68%	NA	NA	29.94	NA
17	04:13	W 6	10.00	Partly Cloudy	SCT095	63	52			68%	NA	NA	29.94	NA
17	03:54	W 6	10.00	Mostly Cloudy	BKN095	63	52			68%	NA	NA	29.94	NA
17	03:33	W 3	10.00	Mostly Cloudy	BKN095	63	52			68%	NA	NA	29.95	NA
17	03:14	W 3	10.00	Partly Cloudy	SCT095	63	52			68%	NA	NA	29.95	NA
17	02:54	W 3	10.00	Partly Cloudy	SCT095	63	54			73%	NA	NA	29.95	NA
17	02:34	W 3	10.00	Partly Cloudy	SCT095	63	54			73%	NA	NA	29.94	NA
17	02:14	W 3	10.00	Fair	CLR	63	54			73%	NA	NA	29.93	NA
17	01:54	NW 3	10.00	Fair	CLR	63	52			68%	NA	NA	29.93	NA
17	01:33	NW 5	10.00	Partly Cloudy	SCT100	64	52			64%	NA	NA	29.93	NA
17	01:14	Calm	10.00	Partly Cloudy	SCT100	64	54			68%	NA	NA	29.93	NA
17	00:54	W 3	10.00	Fair	CLR	64	54			68%	NA	NA	29.93	NA
17	00:33	Calm	10.00	Fair	CLR	64	54			68%	NA	NA	29.93	NA
17	00:14	W 3	10.00	Fair	CLR	66	52			60%	NA	NA	29.93	NA
16	23:54	NW 6	10.00	Fair	CLR	66	54			64%	NA	NA	29.92	NA
16	23:33	NW 7	10.00	Fair	CLR	68	54			60%	NA	NA	29.91	NA
16	23:14	NW 7	10.00	Fair	CLR	70	54			57%	NA	NA	29.91	NA
16	22:54	NW 7	10.00	Fair	CLR	72	54			53%	NA	NA	29.91	NA
16	22:33	NW 8	10.00	Fair	CLR	72	54			53%	NA	NA	29.91	NA
16	22:14	W 9	10.00	Fair	CLR	72	54			53%	NA	NA	29.91	NA
16	21:53	W 7	10.00	Fair	CLR	72	54			53%	NA	NA	29.89	NA
16	21:34	W 5	10.00	Fair	CLR	72	54			53%	NA	NA	29.88	NA
16	21:14	W 6	10.00	Fair	CLR	73	52			47%	NA	NA	29.88	NA
16	20:53	W 7	10.00	Fair	CLR	73	50			44%	NA	NA	29.87	NA
16	20:34	W 9	10.00	Fair	CLR	75	52			44%	NA	NA	29.86	NA
16	20:14	W 6	10.00	Fair	CLR	77	54			44%	NA	78	29.86	NA
16	19:54	SW 9	10.00	Fair	CLR	79	54			42%	NA	79	29.87	NA
16	19:34	W 6	10.00	Fair	CLR	79	52			39%	NA	79	29.87	NA
16	19:14	SW 6	10.00	Fair	CLR	79	52			39%	NA	79	29.87	NA
16	18:54	SW 3	10.00	Fair	CLR	79	54			42%	NA	79	29.87	NA	0.01
16	18:33	Calm	10.00	Partly Cloudy	SCT017 SCT040	77	54			44%	NA	78	29.88	NA	0.01
16	18:14	W 6	7.00	Rain	SCT017 SCT040 BKN080	75	54			47%	NA	NA	29.91	NA
16	17:53	N 6	10.00	Mostly Cloudy	BKN100	77	46			34%	NA	78	29.90	NA
16	17:34	W 5	10.00	Mostly Cloudy	SCT019 SCT060 BKN100	75	54			47%	NA	NA	29.90	NA
16	17:14	W 9	10.00	Light Rain	SCT100	75	54			47%	NA	NA	29.91	NA
16	16:53	SW 9	10.00	Partly Cloudy	SCT110	77	52			42%	NA	78	29.90	NA
16	16:34	SW 12	10.00	Fair	CLR	77	48			36%	NA	78	29.91	NA
16	16:14	SW 17 G 31	10.00	Partly Cloudy	SCT023 SCT070	75	52			44%	NA	NA	29.92	NA
16	15:54	W 21 G 29	10.00	Light Rain and Breezy	SCT023 SCT038 BKN100	75	55			50%	NA	NA	29.93	NA
16	15:34	W 12 G 20	10.00	Partly Cloudy	SCT100	81	48			32%	NA	80	29.91	NA
16	15:14	W 17 G 23	10.00	Partly Cloudy	SCT080	82	48			30%	NA	80	29.90	NA
16	14:54	W 16 G 23	10.00	Partly Cloudy	SCT080	82	48			30%	NA	80	29.90	NA
16	14:34	W 16 G 21	10.00	Fair	CLR	84	50			31%	NA	82	29.91	NA
16	14:13	W 18 G 24	10.00	Fair	CLR	84	48			29%	NA	82	29.91	NA
16	13:54	W 14 G 25	10.00	Fair	CLR	84	48			29%	NA	82	29.92	NA
16	13:34	W 16 G 25	10.00	Fair	CLR	84	46			27%	NA	82	29.92	NA
16	13:13	W 16 G 22	10.00	Fair	CLR	82	46			28%	NA	80	29.92	NA
16	12:54	W 17 G 21	10.00	Fair	CLR	84	46			27%	NA	82	29.91	NA
16	12:34	W 10 G 22	10.00	Fair	CLR	82	48			30%	NA	80	29.91	NA
16	12:13	W 9	10.00	Fair	CLR	82	48			30%	NA	80	29.91	NA
16	11:54	W 10	10.00	Fair	CLR	82	46			28%	NA	80	29.91	NA
16	11:34	W 10 G 16	10.00	Fair	CLR	82	46			28%	NA	80	29.92	NA
16	11:13	W 14 G 21	10.00	Fair	CLR	81	45			28%	NA	80	29.92	NA
16	10:54	SW 12	10.00	Fair	CLR	81	45			28%	NA	80	29.92	NA
16	10:34	W 12	10.00	Fair	CLR	81	46			30%	NA	80	29.93	NA
16	10:14	SW 9	10.00	Fair	CLR	81	46			30%	NA	80	29.94	NA
16	09:54	SW 8	10.00	Fair	CLR	77	48			36%	NA	78	29.94	NA
16	09:34	W 7	10.00	Fair	CLR	75	50			41%	NA	NA	29.94	NA
16	09:14	W 5	10.00	Fair	CLR	75	52			44%	NA	NA	29.94	NA
16	08:54	W 3	10.00	Fair	CLR	72	52			50%	NA	NA	29.94	NA
16	08:33	W 5	10.00	Fair	CLR	70	52			53%	NA	NA	29.94	NA
16	08:14	W 5	10.00	Fair	CLR	68	52			56%	NA	NA	29.95	NA
16	07:54	W 3	10.00	Fair	CLR	66	50			56%	NA	NA	29.95	NA
16	07:33	W 6	10.00	Fair	CLR	64	48			56%	NA	NA	29.95	NA
16	07:14	W 5	10.00	Fair	CLR	63	48			60%	NA	NA	29.95	NA
16	06:54	W 5	10.00	Fair	CLR	61	48			63%	NA	NA	29.95	NA
16	06:33	W 7	10.00	Fair	CLR	59	48			68%	NA	NA	29.95	NA
16	06:14	W 5	10.00	Fair	CLR	57	48			72%	NA	NA	29.94	NA
16	05:54	W 6	10.00	Fair	CLR	57	48			72%	NA	NA	29.94	NA
16	05:33	SW 5	10.00	Fair	CLR	57	48			72%	NA	NA	29.94	NA
16	05:14	Calm	10.00	Fair	CLR	57	50			77%	NA	NA	29.93	NA
16	04:54	W 3	10.00	Fair	CLR	57	48			72%	NA	NA	29.93	NA
16	04:33	W 3	10.00	Fair	CLR	57	48			72%	NA	NA	29.93	NA
16	04:14	W 5	10.00	Fair	CLR	59	48			68%	NA	NA	29.93	NA
16	03:53	W 5	10.00	Fair	CLR	57	48			72%	NA	NA	29.93	NA
16	03:34	W 3	10.00	Fair	CLR	59	48			68%	NA	NA	29.92	NA
16	03:14	W 3	10.00	Fair	CLR	61	48			63%	NA	NA	29.92	NA
16	02:53	W 5	10.00	Fair	CLR	63	48			60%	NA	NA	29.92	NA
16	02:34	W 6	10.00	Fair	CLR	63	46			56%	NA	NA	29.92	NA
16	02:14	W 6	10.00	Fair	CLR	64	46			52%	NA	NA	29.92	NA
16	01:53	W 8	10.00	Fair	CLR	64	46			52%	NA	NA	29.92	NA
D a t e	Time (cdt)	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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