Metric (Imperial)

Date	Time (cdt)	Wind (kph)	Vis. (km)	Weather	Sky Cond.	Temperature (ºC)				Relative Humidity	Wind Chill (°C)	Heat Index (°C)	Pressure		Precipitation (cm)
						Air	Dwpt	6 hour					altimeter (cm)	sea level (mb)	1 hr	3 hr	6 hr
								Max.	Min.
04	03:55	S 6	16.09	Fair	CLR	13.5	11			85%			76.2	0.0
04	03:35	S 6	16.09	Fair	CLR	13.8	11			83%			76.2	0.0
04	03:15	S 7	16.09	Fair	CLR	13.8	11.1			84%			76.2	0.0
04	02:55	S 7	16.09	Fair	CLR	14.3	11.3			82%			76.2	0.0
04	02:35	S 9	16.09	Fair	CLR	14.5	11.4			82%			76.23	0.0
04	02:15	S 9	16.09	Fair	CLR	14.8	11.5			81%			76.25	0.0
04	01:55	S 9	16.09	Fair	CLR	15.2	11.6			79%			76.28	0.0
04	01:15	S 7	16.09	Fair	CLR	15.9	11.5			75%			76.3	0.0
04	00:55	S 7	16.09	Fair	CLR	13.8	12.2	24.4	13.5	90%			76.3	0.0
04	00:35	Calm	16.09	Fair	CLR	13.8	12.4			91%			76.3	0.0
04	00:15	Calm	11.27	Fair	CLR	14.1	12.6			91%			76.3	0.0
03	23:55	Calm	16.09	Fair	CLR	14.1	12.5			90%			76.3	0.0
03	23:35	Calm	16.09	Fair	CLR	14.1	12.4			90%			76.3	0.0
03	23:15	Calm	16.09	Fair	CLR	14.6	12.6			88%			76.3	0.0
03	22:55	Calm	16.09	Fair	CLR	15.4	13.1			86%			76.33	0.0
03	22:35	Calm	16.09	Fair	CLR	15.4	12.9			85%			76.33	0.0
03	22:15	Calm	16.09	Fair	CLR	16.1	12.8			81%			76.33	0.0
03	21:55	S 6	16.09	Fair	CLR	16.5	13.1			80%			76.33	0.0
03	21:35	Calm	16.09	Fair	CLR	17.3	13.4			78%			76.33	0.0
03	21:15	Calm	16.09	Fair	CLR	17.5	13.5			78%			76.3	0.0
03	20:55	Calm	16.09	Fair	CLR	18.1	13.6			75%			76.3	0.0
03	20:35	Calm	16.09	Partly Cloudy	SCT075	18.5	13.7			74%			76.28	0.0
03	20:15	Calm	16.09	Mostly Cloudy	BKN075	19.2	14.3			73%			76.28	0.0
03	19:55	Calm	16.09	Mostly Cloudy	BKN075	20.7	14.5			68%			76.28	0.0
03	19:35	Calm	16.09	Mostly Cloudy	BKN075	21.8	13.3			59%			76.28	0.0
03	19:15	Calm	16.09	Partly Cloudy	SCT075	23.4	11.8			48%			76.28	0.0
03	18:55	SW 9	16.09	Partly Cloudy	SCT075	24.2	9.5	26.9	24	39%		25	76.28	0.0
03	18:35	SW 9	16.09	Fair	CLR	25.4	9.1			36%		26	76.28	0.0
03	18:15	SW 13	16.09	Fair	CLR	25.9	9.4			35%		26	76.3	0.0
03	17:55	W 7	16.09	Partly Cloudy	SCT075	25.8	9.1			35%		26	76.3	0.0
03	17:35	W 9	16.09	Partly Cloudy	SCT075	26.3	9.4			35%		26	76.3	0.0
03	17:15	W 11	16.09	Fair	CLR	26	9.3			35%		26	76.33	0.0
03	16:55	SW 13	16.09	Partly Cloudy	SCT080	26.4	9.7			35%		26	76.35	0.0
03	16:35	SW 15	16.09	Overcast	OVC080	26.6	9.8			35%		26	76.35	0.0
03	16:15	W 7	16.09	Mostly Cloudy	BKN070	25	9.2			37%		26	76.38	0.0
03	15:55	Calm	16.09	Partly Cloudy	SCT070	25	9			36%		26	76.4	0.0
03	15:35	SW 9	16.09	Partly Cloudy	SCT070	25.8	9.7			36%		26	76.43	0.0
03	15:15	NW 6	16.09	Mostly Cloudy	SCT070 BKN080	25.7	10.4			38%		26	76.45	0.0
03	14:55	W 9	16.09	Partly Cloudy	SCT070	26.3	9.4			35%		26	76.48	0.0
03	14:35	W 9	16.09	Partly Cloudy	SCT070	26.1	9.5			35%		26	76.5	0.0
03	14:15	NW 11	16.09	Partly Cloudy	SCT070	25.4	9.2			36%		26	76.53	0.0
03	13:55	W 11	16.09	Fair	CLR	26	9.4			35%		26	76.56	0.0
03	13:35	NW 13	16.09	Fair	CLR	25.6	8.7			34%		26	76.58	0.0
03	13:15	SW 9	16.09	Fair	CLR	25	10			39%		26	76.61	0.0
03	12:55	SW 7	16.09	Fair	CLR	25.1	9.1	25.6	9	36%		26	76.61	0.0
03	12:35	S 17	16.09	Fair	CLR	24.9	9.6			38%		26	76.63	0.0
03	12:15	SW 15	16.09	Fair	CLR	24.7	9.5			38%		26	76.66	0.0
03	11:55	SW 13	16.09	Fair	CLR	24.5	8.8			37%		25	76.66	0.0
03	11:35	SW 9	16.09	Fair	CLR	24.2	9.5			39%		25	76.68	0.0
03	11:15	W 13	16.09	Fair	CLR	23.5	9.6			41%			76.68	0.0
03	10:55	SW 9	16.09	Fair	CLR	23.1	10.9			46%			76.68	0.0
03	10:35	SW 9	16.09	Fair	CLR	22.4	11.6			51%			76.71	0.0
03	10:15	SW 11	16.09	Fair	CLR	21.8	11.6			52%			76.71	0.0
03	09:55	SW 15	16.09	Fair	CLR	20.9	11.8			56%			76.71	0.0
03	09:35	SW 7	16.09	Fair	CLR	19.8	12.2			62%			76.71	0.0
03	09:15	Calm	16.09	Fair	CLR	17.8	13.8			78%			76.71	0.0
03	08:55	Calm	16.09	Fair	CLR	16	13.3			84%			76.68	0.0
03	08:35	Calm	16.09	Partly Cloudy	SCT075	14.4	12.9			91%			76.68	0.0
03	08:15	Calm	16.09	Partly Cloudy	SCT075	12.4	12.1			98%			76.68	0.0
03	07:55	Calm	16.09	Partly Cloudy	SCT075	11.6	11.4			99%			76.68	0.0
03	07:35	Calm	16.09	Fair	CLR	10.3	10			98%			76.68	0.0
03	07:15	Calm	11.27	Fair	CLR	9.2	9			99%			76.66	0.0
03	06:55	Calm	6.44	Fog/Mist	CLR	8.9	8.7	11.1	8.8	99%			76.63	0.0
03	06:35	Calm	4.02	Fog/Mist	CLR	9	8.7			98%			76.61	0.0
03	06:15	Calm	3.22	Fog/Mist	CLR	8.9	8.7			99%			76.58	0.0
03	05:55	Calm	5.63	Fog/Mist	CLR	9	8.7			98%			76.56	0.0
03	05:35	Calm	8.05	Fog/Mist	CLR	9	8.8			99%			76.56	0.0
03	05:15	Calm	3.22	Fog/Mist	CLR	9.4	9.1			98%			76.56	0.0
03	04:55	Calm	6.44	Fog/Mist	SCT002	9.4	9.2			99%			76.53	0.0
03	04:35	Calm	8.05	Fog/Mist	CLR	9.5	9.2			98%			76.53	0.0
03	04:15	Calm	2.41	Fog/Mist	VV007	9.5	9.2			98%			76.56	0.0
03	03:55	Calm	3.22	Fog/Mist	CLR	9.9	9.6			98%			76.53	0.0
03	03:35	Calm	11.27	Fair	CLR	9.8	9.5			98%			76.53	0.0
03	03:15	Calm	4.02	Fog/Mist	CLR	10.1	9.8			98%			76.53	0.0
03	02:55	Calm	4.02	Fog/Mist	CLR	10.1	9.9			99%			76.56	0.0
03	02:35	Calm	11.27	Fair	CLR	10.3	10			98%			76.53	0.0
03	02:15	Calm	8.05	Fog/Mist	CLR	10.6	10.3			98%			76.53	0.0
03	01:55	Calm	8.05	Fog/Mist	CLR	10.8	10.4			97%			76.56	0.0
03	01:35	Calm	11.27	Fair	CLR	10.4	10.1			98%			76.53	0.0
03	01:15	Calm	8.05	Fog/Mist	CLR	11.1	10.7			97%			76.56	0.0
03	00:55	Calm	8.05	Fair	CLR	11.2	10.8	22	11.1	97%			76.56	0.0
03	00:35	Calm	16.09	Fair	CLR	11.5	11.1			97%			76.56	0.0
03	00:15	Calm	16.09	Fair	CLR	11.6	11.1			97%			76.53	0.0
02	23:55	Calm	11.27	Fair	CLR	12.1	11.6			97%			76.56	0.0
02	23:35	Calm	16.09	Fair	CLR	12.2	11.5			96%			76.53	0.0
02	23:15	Calm	16.09	Fair	CLR	12.4	11.6			95%			76.53	0.0
02	22:55	Calm	16.09	Fair	CLR	12.6	11.5			93%			76.56	0.0
02	22:35	Calm	16.09	Fair	CLR	12.8	11.9			94%			76.53	0.0
02	22:15	Calm	16.09	Fair	CLR	12.7	11.5			92%			76.53	0.0
02	21:55	Calm	16.09	Fair	CLR	13	11.9			93%			76.5	0.0
02	21:35	Calm	16.09	Fair	CLR	13.4	11.9			91%			76.5	0.0
02	21:15	Calm	16.09	Fair	CLR	14.4	12			86%			76.48	0.0
02	20:55	Calm	16.09	Fair	CLR	14.7	12.5			87%			76.45	0.0
02	20:35	Calm	16.09	Fair	CLR	15.1	12.8			86%			76.45	0.0
02	20:15	Calm	16.09	Fair	CLR	16.5	13.8			84%			76.43	0.0
02	19:55	Calm	16.09	Fair	CLR	17.4	12.8			75%			76.43	0.0
02	19:35	Calm	16.09	Fair	CLR	19	12			64%			76.43	0.0
02	19:15	Calm	16.09	Fair	CLR	21.5	9.7			47%			76.4	0.0
02	18:55	N 6	16.09	Fair	CLR	22.1	8.7	23.8	20.6	42%			76.4	0.0
02	18:35	N 9	11.27	Partly Cloudy	SCT070	22.5	8.5			41%			76.4	0.0
02	18:15	N 7	16.09	Partly Cloudy	SCT080	22.8	8.4			40%			76.4	0.0
02	17:55	NW 7	16.09	Fair	CLR	22.6	9.2			43%			76.4	0.0
02	17:35	N 7	16.09	Fair	CLR	22.1	9.1			44%			76.4	0.0
02	17:15	N 7	16.09	Partly Cloudy	SCT070 SCT085	22.7	8.9			41%			76.4	0.0
02	16:55	N 7	16.09	Overcast	BKN070 OVC080	21.8	8.7			43%			76.4	0.0
02	16:35	NE 7	16.09	Overcast	BKN070 OVC080	23.1	9			41%			76.4	0.0
02	16:15	NE 7	16.09	Overcast	BKN070 OVC080	22.6	9			42%			76.43	0.0
02	15:55	N 9	16.09	Partly Cloudy	SCT080	22.7	8			39%			76.43	0.0
02	15:35	W 6	16.09	Partly Cloudy	SCT065 SCT080	23.3	8			38%			76.45	0.0
02	15:15	NE 7	16.09	Partly Cloudy	SCT065 SCT075	23.1	8.5			39%			76.48	0.0
02	14:55	N 15	16.09	Fair	CLR	23.4	8.8			39%			76.5	0.0
02	14:35	N 7	16.09	Fair	CLR	22.6	8.4			40%			76.5	0.0
02	14:15	N 15	16.09	Partly Cloudy	SCT060	22	9			44%			76.53	0.0
02	13:55	N 6	16.09	Partly Cloudy	SCT060	21.5	7.6			41%			76.56	0.0
02	13:35	N 9	16.09	Fair	CLR	21.7	7.8			41%			76.56	0.0
02	13:15	NE 7	16.09	Partly Cloudy	SCT060	21.4	8			42%			76.58	0.0
02	12:55	Calm	16.09	Fair	CLR	21.1	8.2	21.4	10.6	44%			76.58	0.0
02	12:35	N 9	16.09	Fair	CLR	20.8	8.7			46%			76.61	0.0
02	12:15	N 6	16.09	Fair	CLR	20.6	9			48%			76.63	0.0
02	11:55	N 6	16.09	Fair	CLR	20.1	8.2			46%			76.63	0.0
02	11:35	E 7	16.09	Fair	CLR	19.9	9.6			52%			76.63	0.0
02	11:15	E 6	16.09	Fair	CLR	19.4	9.4			53%			76.63	0.0
02	10:55	N 6	16.09	Fair	CLR	19.1	9.5			54%			76.61	0.0
02	10:35	N 7	16.09	Fair	CLR	18.8	10			57%			76.61	0.0
02	10:15	NE 7	16.09	Fair	CLR	18.2	11.6			66%			76.61	0.0
02	09:55	N 7	16.09	Fair	CLR	17.7	12.2			70%			76.61	0.0
02	09:35	N 7	16.09	Fair	CLR	17	12.4			75%			76.58	0.0
02	09:15	N 9	16.09	Fair	CLR	16.3	12.5			78%			76.58	0.0
02	08:55	N 11	16.09	Fair	CLR	15.5	12.2			81%			76.56	0.0
02	08:35	N 9	16.09	Fair	CLR	14.6	12.2			86%			76.56	0.0
02	08:15	N 11	16.09	Fair	CLR	13.5	12.4			93%			76.53	0.0
02	07:55	NW 7	16.09	Fair	CLR	12.7	12.3			97%			76.53	0.0
02	07:35	NW 7	16.09	Fair	CLR	11.9	11.6			98%			76.5	0.0
02	07:15	Calm	11.27	Fair	CLR	10.8	10.4			97%			76.45	0.0
02	06:55	Calm	11.27	Fair	CLR	10.8	10.4	12.6	10.5	97%			76.43	0.0
02	06:35	Calm	16.09	Partly Cloudy	SCT120	10.9	10.6			98%			76.4	0.0
02	06:15	Calm	16.09	Partly Cloudy	SCT120	10.9	10.6			98%			76.4	0.0
02	05:55	N 6	16.09	Fair	CLR	11	10.6			97%			76.38	0.0
02	05:35	N 6	16.09	Partly Cloudy	SCT120	11.3	10.9			97%			76.38	0.0
02	05:15	N 6	16.09	Mostly Cloudy	BKN120	11.5	11			97%			76.35	0.0
02	04:55	N 6	16.09	Mostly Cloudy	BKN120	11.4	10.9			97%			76.35	0.0
02	04:35	N 7	16.09	Partly Cloudy	SCT120	11.8	11.2			96%			76.33	0.0
02	04:15	N 7	16.09	Partly Cloudy	SCT120	12.4	11.8			96%			76.33	0.0
02	03:55	N 6	16.09	Fair	CLR	12.5	11.9			96%			76.33	0.0
02	03:35	Calm	16.09	Fair	CLR	12.5	11.9			96%			76.33	0.0
02	03:15	NW 7	16.09	Mostly Cloudy	BKN120	12.5	11.9			96%			76.33	0.0
02	02:55	N 7	16.09	Overcast	OVC120	12.6	12			96%			76.33	0.0
02	02:35	NW 6	16.09	Mostly Cloudy	BKN120	12.6	12			96%			76.33	0.0
02	02:15	NW 7	16.09	Mostly Cloudy	BKN120	12.6	12			96%			76.35	0.0
02	01:55	NW 9	16.09	Partly Cloudy	SCT110	12.5	11.9			96%			76.33	0.0
02	01:35	N 7	16.09	Mostly Cloudy	BKN110	12.5	11.9			96%			76.33	0.0
02	01:15	N 7	16.09	Mostly Cloudy	BKN110	12.5	11.9			96%			76.33	0.0
02	00:55	N 6	16.09	Overcast	OVC110	12.7	12.1	13.4	12.6	96%			76.33	0.0			0.1
02	00:35	N 6	16.09	Overcast	OVC100	12.8	12.2			96%			76.35	0.0
02	00:15	N 6	16.09	Overcast	OVC100	12.7	12.1			96%			76.33	0.0
01	23:55	N 9	16.09	Overcast	OVC100	12.7	12.3			97%			76.33	0.0
01	23:35	NW 7	16.09	Overcast	OVC100	12.7	12.2			97%			76.28	0.0
01	23:15	Calm	16.09	Overcast	OVC100	12.8	12.3			97%			76.28	0.0
01	22:55	S 6	16.09	Overcast	OVC100	12.7	12.2			97%			76.28	0.0
01	22:35	Calm	16.09	Mostly Cloudy	BKN100	12.7	12.2			97%			76.3	0.0
01	22:15	Calm	16.09	Partly Cloudy	SCT100	12.7	12			96%			76.33	0.0
01	21:55	NW 6	16.09	Light Rain	OVC100	12.7	12			96%			76.3	0.0		0.08
01	21:35	Calm	16.09	Light Drizzle	SCT070 OVC100	12.7	12.1			96%			76.3	0.0
01	21:15	Calm	16.09	Overcast	BKN100 OVC120	12.8	12.2			96%			76.3	0.0
01	20:55	Calm	16.09	Light Rain	BKN090 OVC120	12.8	12.1			96%			76.28	0.0	0.05
01	20:35	Calm	16.09	Light Rain	OVC080	12.8	12			95%			76.28	0.0	0.03
01	20:15	N 6	16.09	Light Rain	OVC080	12.7	11.9			95%			76.23	0.0	0.03
01	19:55	N 6	16.09	Light Rain	BKN070 OVC090	12.9	11.9			94%			76.2	0.0	0.03
01	19:35	N 7	16.09	Drizzle	BKN060 OVC090	13	12.1			94%			76.17	0.0	0.03
01	19:15	N 6	16.09	Drizzle	BKN060 OVC080	13.1	12.2			94%			76.2	0.0
01	18:55	Calm	16.09	Light Rain	OVC060	13.3	12.3	14	12.2	94%			76.2	0.0	0.03		0.2
01	18:35	Calm	16.09	Light Rain	OVC050	13.4	11.8			90%			76.2	0.0	0.03
01	18:15	Calm	16.09	Rain	SCT050 SCT070 OVC110	13.7	11.7			88%			76.15	0.0	0.03
01	17:55	Calm	16.09	Light Rain	SCT050 SCT070 OVC110	13.5	11.4			87%			76.12	0.0
01	17:35	Calm	16.09	Mostly Cloudy	SCT050 BKN100 BKN120	13.7	11.3			86%			76.15	0.0
01	17:15	NE 6	16.09	Partly Cloudy	SCT048 SCT060 SCT100	13.7	10.9			83%			76.15	0.0
01	16:55	NE 9	16.09	Mostly Cloudy	SCT034 BKN047 BKN055	13.9	11			83%			76.1	0.0
01	16:35	N 7	16.09	Light Rain	SCT034 OVC047	13.3	11.3			88%			76.1	0.0
01	16:15	N 7	16.09	Light Rain	OVC045	13.1	10.8			86%			76.15	0.0
01	15:55	N 7	16.09	Light Rain	OVC043	13	10.4			84%			76.17	0.0		0.18
01	15:35	NE 6	16.09	Overcast	OVC043	12.9	10.2			84%			76.1	0.0
01	15:15	NE 15 G 30	16.09	Overcast	SCT039 BKN047 OVC060	13	10.4			84%			76.02	0.0
01	14:55	N 15	16.09	Mostly Cloudy	SCT016 SCT031 BKN039	13.1	11.1			88%			76.02	0.0	0.03
01	14:35	NE 11	16.09	Light Rain	SCT014 SCT028 BKN033	12.7	11.1			90%			76.02	0.0	0.03
01	14:15	N 11	16.09	Light Rain	SCT007 BKN013 OVC046	12.6	11.5			93%			76.02	0.0	0.03
01	13:55	NE 11	16.09	Light Rain	SCT010 BKN015 OVC060	12.6	11.6			94%			76.12	0.0	0.13
01	13:35	NE 7	16.09	Light Rain	SCT006 BKN048 OVC055	12.3	11.2			93%			76.2	0.0	0.08
01	13:15	NE 9	11.27	Light Rain Fog/Mist	BKN007 BKN012 OVC050	12.4	11.7			96%			76.17	0.0	0.05
01	12:55	NE 6	11.27	Light Rain	OVC007	12.4	11.7	13.1	11.8	96%			76.23	0.0	0.18		1.22
01	12:35	NE 6	8.05	Light Rain Fog/Mist	SCT009 SCT015 OVC055	12.3	11.6			96%			76.25	0.0	0.15
01	12:15	NE 6	11.27	Light Rain Fog/Mist	SCT013 BKN050 OVC070	12.1	11.4			96%			76.3	0.0	0.08
01	11:55	NE 7	8.05	Light Rain Fog/Mist	SCT007 BKN032 OVC070	11.9	11.2			96%			76.33	0.0	0.33
01	11:35	NE 6	8.05	Light Rain Fog/Mist	SCT032 BKN050 OVC075	11.8	11			95%			76.35	0.0	0.23
01	11:15	NE 11	8.05	Rain Fog/Mist	SCT010 SCT019 OVC050	11.9	11.1			95%			76.35	0.0	0.13
01	10:55	NE 7	5.63	Rain Fog/Mist	BKN010 BKN014 OVC029	12.1	11.3			95%			76.35	0.0	0.38
01	10:35	N 11	8.05	Rain Fog/Mist	BKN008 OVC014	12.4	11.7			96%			76.38	0.0	0.23
01	10:15	NE 9	8.05	Light Rain Fog/Mist	OVC006	12.5	11.8			96%			76.3	0.0	0.1
01	09:55	NE 7	11.27	Light Rain	OVC006	12.4	11.8			96%			76.25	0.0	0.1	0.28
01	09:35	NE 9	11.27	Light Rain	OVC006	12.3	11.7			96%			76.2	0.0	0.05
01	09:15	N 9	11.27	Light Rain	BKN008 OVC036	12.3	11.6			96%			76.23	0.0	0.03
01	08:55	N 7	16.09	Light Rain	BKN008 BKN016 OVC034	12.4	11.7			96%			76.23	0.0	0.08
01	08:35	NE 9	11.27	Light Rain	OVC034	12.4	11.6			95%			76.23	0.0	0.08
01	08:15	NE 11	11.27	Light Rain	SCT007 OVC032	12.4	11.7			96%			76.23	0.0	0.03
01	07:55	N 11	11.27	Light Rain Fog/Mist	OVC032	12.5	11.6			94%			76.25	0.0	0.1
01	07:35	N 9	11.27	Light Rain Fog/Mist	OVC032	12.8	11.7			93%			76.23	0.0	0.03
01	07:15	N 9	16.09	Light Rain	OVC030	12.9	11.8			93%			76.23	0.0
01	06:55	N 7	16.09	Overcast	OVC030	13.1	12	14.9	13	93%			76.17	0.0	0.03		0.03
01	06:35	N 7	16.09	Overcast	OVC030	13	12.1			94%			76.15	0.0	0.03
01	06:15	N 7	16.09	Light Rain	OVC030	13	12			94%			76.12	0.0
01	05:55	N 9	16.09	Light Rain	OVC028	13.2	12			93%			76.12	0.0
01	05:35	N 9	16.09	Light Rain	OVC028	13.5	11.9			90%			76.12	0.0
01	05:15	N 7	16.09	Light Drizzle	OVC028	13.7	12			90%			76.12	0.0
01	04:55	N 9	16.09	Light Rain	OVC028	13.9	12.1			89%			76.12	0.0
01	04:35	N 9	16.09	Overcast	OVC028	14	12.3			90%			76.12	0.0
01	04:15	N 6	16.09	Overcast	OVC028	14.1	12.4			90%			76.12	0.0
Date	Time (cdt)	Wind (kph)	Vis. (km)	Weather	Sky Cond.	Air	Dwpt	Max.	Min.	Relative Humidity	Wind Chill (°C)	Heat Index (°C)	altimeter (cm)	sea level (mb)	1 hr	3 hr	6 hr
								6 hour
						Temperature (ºC)							Pressure		Precipitation (cm)