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.
13	16:55	S 9	16.09	Fair	CLR	26.6	19.2			64%		28	76.17	0.0
13	16:35	S 9	16.09	Fair	CLR	26.5	19			63%		28	76.2	0.0
13	16:15	Vrbl 6	16.09	Fair	CLR	26.6	19.6			66%		28	76.2	0.0
13	15:55	S 7	16.09	A Few Clouds	FEW320	26.5	19			63%		28	76.23	0.0
13	15:35	Vrbl 7	16.09	A Few Clouds	FEW350	26.4	18.9			63%		28	76.23	0.0
13	15:15	Vrbl 7	16.09	Fair	CLR	26.5	19.6			66%		28	76.25	0.0
13	14:55	S 13	16.09	A Few Clouds	FEW035	26	19.2			66%		27	76.25	0.0
13	14:35	S 9	16.09	Fair	CLR	26.1	19.5			67%		27	76.25	0.0
13	14:15	S 7	16.09	A Few Clouds	FEW310	25.8	18.3			63%		27	76.28	0.0
13	13:55	S 7	16.09	Fair	CLR	25.7	18.5			65%		27	76.28	0.0
13	13:35	SW 7	16.09	A Few Clouds	FEW360	25.5	18.8			67%		27	76.28	0.0
13	13:15	S 7	16.09	A Few Clouds	FEW380	25.4	18.7			67%		26	76.3	0.0
13	12:35	SW 7	16.09	A Few Clouds	FEW330	24.9	18.2			66%		26	76.33	0.0
13	12:15	Calm	16.09	A Few Clouds	FEW032	24.7	16.7			61%		26	76.33	0.0
13	11:55	Calm	16.09	Partly Cloudy	FEW330 SCT360	24.5	17.7			66%		26	76.33	0.0
13	11:35	S 6	16.09	A Few Clouds	FEW350	24.5	18			67%		25	76.3	0.0
13	11:15	Vrbl 6	16.09	Fair	CLR	24	18.1			70%		25	76.3	0.0
13	10:55	SW 7	16.09	Fair	CLR	23.4	18.4			74%			76.3	0.0
13	10:35	W 7	16.09	Fair	CLR	23.2	19.2			78%			76.3	0.0
13	10:15	Vrbl 6	16.09	Fair	CLR	22.7	19.6			83%			76.28	0.0
13	09:55	SW 6	16.09	A Few Clouds	FEW380	21.9	19.5			86%			76.28	0.0
13	09:35	Vrbl 6	16.09	Fair	CLR	20.9	18.8			88%			76.28	0.0
13	09:15	SW 6	16.09	Fair	CLR	19.9	18.2			90%			76.28	0.0
13	08:55	Calm	16.09	Fair	CLR	19.2	17.9			92%			76.28	0.0
13	08:35	Calm	16.09	Fair	CLR	18.3	17.1			93%			76.28	0.0
13	08:15	Calm	16.09	Fair	CLR	17.7	16.7			94%			76.28	0.0
13	07:55	Calm	16.09	Fair	CLR	17.1	16.6			97%			76.25	0.0
13	07:35	Calm	14.48	Fair	CLR	15.9	15.9			100%			76.25	0.0
13	07:15	Calm	16.09	Fair	CLR	14.8	14.8			100%			76.25	0.0
13	06:55	Calm	8.05	Fog/Mist	CLR	14.4	14.4			100%			76.28	0.0
13	06:35	Calm	9.66	Fog/Mist	CLR	14.1	14.1			100%			76.25	0.0
13	06:15	Calm	14.48	Fair	CLR	13.8	13.8			100%			76.23	0.0
13	05:55	Calm	4.83	Fog/Mist	CLR	13.6	13.6			100%			76.25	0.0
13	05:35	Calm	11.27	Fair	CLR	14	14			100%			76.23	0.0
13	05:15	Calm	12.87	Fair	CLR	13.9	13.9			100%			76.23	0.0
13	04:35	Calm	16.09	Fair	CLR	14.9	14.9			100%			76.23	0.0
13	04:15	W 6	16.09	Fair	CLR	15	15			100%			76.2	0.0
13	03:55	SW 7	16.09	Fair	CLR	15	15			100%			76.2	0.0
13	02:55	W 6	12.87	Fair	CLR	15.1	15.1			100%			76.25	0.0
13	02:40	Calm	14.48	Fair	CLR	15.4	15.4			100%			76.25	0.0
13	01:15	W 6	16.09	Fair	CLR	16.5	16.4			99%			76.25	0.0
13	00:55	W 9	16.09	Fair	CLR	16.6	16.6			100%			76.25	0.0
13	00:35	Calm	16.09	Fair	CLR	17	16.8			99%			76.25	0.0
13	00:00	SW 7	16.09	Fair	CLR	17.3	17.1			99%			76.25	0.0
12	22:40	SW 7	16.09	Fair	CLR	18.2	18			99%			76.23	0.0
12	21:55	W 9	16.09	Fair	CLR	19	18.7			98%			76.17	0.0
12	21:15	W 7	16.09	Fair	CLR	19.7	19.3			98%			76.15	0.0
12	20:55	W 6	16.09	Fair	CLR	20.1	19.6			97%			76.15	0.0
12	20:35	W 6	16.09	Fair	CLR	20.9	19.7			93%			76.15	0.0
12	20:15	W 6	16.09	Fair	CLR	21.3	20.1			93%			76.15	0.0
12	19:55	W 6	16.09	Fair	CLR	22	18.7			82%			76.15	0.0
12	19:35	NW 7	16.09	Fair	CLR	23.3	17.8			71%			76.12	0.0
12	19:15	W 7	16.09	Fair	CLR	23.3	18.7			75%			76.15	0.0
12	18:55	W 7	16.09	Fair	CLR	24.1	18.6			71%		25	76.15	0.0
12	18:35	W 9	16.09	Fair	CLR	24.2	18.2			69%		25	76.12	0.0
12	18:15	W 11	16.09	A Few Clouds	FEW290	24.1	17.7			68%		25	76.12	0.0
12	17:55	W 9	16.09	A Few Clouds	FEW290	24	17.5			67%		25	76.12	0.0
12	17:35	NW 11	16.09	A Few Clouds	FEW047	24.6	17.3			64%		26	76.12	0.0
12	17:15	W 9	16.09	Fair	CLR	24.5	17.5			65%		26	76.15	0.0
12	16:55	W 13	16.09	A Few Clouds	FEW055	25	17.1			62%		26	76.17	0.0
12	16:35	NW 9	16.09	A Few Clouds	FEW055	25.2	17.3			62%		26	76.17	0.0
12	16:15	Vrbl 9	16.09	A Few Clouds	FEW380	25	16.5			59%		26	76.17	0.0
12	15:55	Vrbl 9	16.09	A Few Clouds	FEW380	25.4	16.4			58%		26	76.17	0.0
12	15:35	W 13	16.09	Fair	CLR	25.3	15.4			54%		26	76.17	0.0
12	15:15	NW 11	16.09	Fair	CLR	25.3	16.1			57%		26	76.17	0.0
12	14:55	NW 11	16.09	A Few Clouds	FEW370	25.4	15			53%		26	76.2	0.0
12	14:35	NW 13	16.09	A Few Clouds	FEW270	25.2	15.6			55%		26	76.2	0.0
12	14:15	NW 15	16.09	Partly Cloudy	FEW270 SCT370	24.9	16			58%		26	76.2	0.0
12	13:55	NW 17	16.09	Partly Cloudy	FEW037 SCT340 SCT370	25	17			61%		26	76.2	0.0
12	13:35	N 20	16.09	Mostly Cloudy	SCT036 SCT043 BKN055 BKN340	25.1	18.1			65%		26	76.2	0.0
12	13:15	NW 17	16.09	Partly Cloudy	SCT034 SCT060 SCT330	25.6	18.9			67%		27	76.2	0.0
12	12:55	NW 13	16.09	Partly Cloudy	SCT034 SCT055	25.2	19.1			69%		26	76.2	0.0
12	12:35	NW 15	16.09	Mostly Cloudy	SCT033 BKN050 BKN370	25.2	18.9			68%		26	76.17	0.0
12	12:15	NW 15	16.09	Mostly Cloudy	SCT028 BKN036 BKN046	24.7	19			71%		26	76.17	0.0
12	11:55	NW 15	16.09	Mostly Cloudy	FEW029 SCT042 BKN050	24.7	19.6			73%		26	76.15	0.0
12	11:35	NW 19	16.09	Partly Cloudy	FEW030 SCT038	24.5	19.6			74%		25	76.12	0.0
12	11:15	N 17	16.09	A Few Clouds	FEW033	24.7	19.7			74%		26	76.12	0.0
12	10:55	N 19	16.09	Fair	CLR	24.3	19.7			76%		25	76.1	0.0
12	10:35	N 20	16.09	Fair	CLR	23.9	19.7			77%		24	76.1	0.0
12	10:15	N 22	16.09	Fair	CLR	23.5	19.6			79%			76.1	0.0
12	09:55	NW 19	16.09	Partly Cloudy	SCT060	23.2	19.5			80%			76.1	0.0
12	09:35	NW 17	16.09	Overcast	OVC060	22.3	19.3			83%			76.1	0.0
12	09:15	N 19	16.09	Mostly Cloudy	BKN060	22.6	19.6			83%			76.1	0.0
12	08:55	NW 20	16.09	Fair	CLR	22.3	19.6			85%			76.1	0.0
12	08:35	NW 17	16.09	Fair	CLR	21.9	19.8			88%			76.07	0.0
12	08:15	NW 13	16.09	Fair	CLR	21.5	20.1			92%			76.05	0.0
12	07:55	NW 13	11.27	A Few Clouds	FEW060	20.7	19.7			94%			76.05	0.0
12	07:35	NW 13	8.05	Fog/Mist	BKN060	20	19.4			96%			76.02	0.0
12	07:15	NW 11	6.44	Fog/Mist	SCT045 SCT060	19.6	19.3			98%			76.02	0.0
12	06:55	NW 13	6.44	Fog/Mist	BKN044	19.4	19.1			98%			76.02	0.0
12	06:35	NW 13	8.05	Fog/Mist	FEW043 BKN055	19	18.7			98%			76.02	0.0
12	06:15	NW 13	9.66	Fog/Mist	OVC055	19.1	18.8			98%			76.02	0.0
12	05:55	NW 13	9.66	Fog/Mist	FEW039 BKN055	19.1	18.8			98%			75.97	0.0
12	05:35	W 9	12.87	Partly Cloudy	SCT039 SCT050	18.4	18.4			100%			75.97	0.0
12	05:15	W 13	14.48	Fair	CLR	18	18			100%			75.97	0.0
12	04:55	W 11	16.09	Fair	CLR	18.2	18.1			99%			75.92	0.0
12	04:35	W 11	16.09	Fair	CLR	18.5	18.3			99%			75.92	0.0
12	04:15	W 11	16.09	Partly Cloudy	SCT028	18.8	18.5			98%			75.92	0.0
12	03:55	W 13	16.09	Mostly Cloudy	FEW009 SCT014 BKN027	19.2	18.7			97%			75.9	0.0
12	03:35	W 15	16.09	Mostly Cloudy	SCT009 BKN013	19.6	19.1			97%			75.9	0.0
12	03:15	W 11	16.09	Partly Cloudy	SCT023	19.2	19.2			100%			75.9	0.0
12	02:55	W 9	16.09	Mostly Cloudy	BKN023	19.4	19.4			100%			75.9	0.0
12	02:35	W 6	16.09	Partly Cloudy	SCT025	19.6	19.6			100%			75.9	0.0
12	02:15	Calm	16.09	Overcast	FEW010 BKN023 BKN029 BKN190 OVC220	19.9	19.9			100%			75.92	0.0
12	01:55	W 7	16.09	Overcast	FEW010 BKN190 OVC210	19.8	19.8			100%			75.92	0.0
12	01:35	W 13	16.09	Partly Cloudy	SCT200 SCT230	19.7	19.7			100%			75.92	0.0
12	01:15	W 9	16.09	Partly Cloudy	FEW130 SCT230	19.4	19.4			100%			75.92	0.0
12	00:55	S 7	16.09	Partly Cloudy	FEW130 SCT210	19.4	19.4			100%			75.84	0.0
12	00:35	SE 6	16.09	Mostly Cloudy	SCT180 BKN200	19.6	19.6			100%			75.84	0.0
12	00:15	SE 7	16.09	Mostly Cloudy	FEW048 BKN190	19.5	19.5			100%			75.84	0.0
11	23:55	SE 7	16.09	Partly Cloudy	FEW029 SCT048	19.7	19.7			100%			75.9	0.0
11	23:35	E 7	16.09	A Few Clouds	FEW030	19.6	19.6			100%			75.95	0.0
11	23:15	Calm	16.09	Mostly Cloudy	SCT030 BKN039	20	20			100%			75.97	0.0
11	22:55	Calm	16.09	Mostly Cloudy	SCT035 SCT046 BKN055	20.1	20.1			100%			75.95	0.0
11	22:35	Calm	16.09	Overcast	BKN029 BKN034 OVC048	20.2	20.2			100%			75.95	0.0
11	22:15	NW 9	16.09	Partly Cloudy	SCT028	19.9	19.9			100%			75.95	0.0
11	21:55	NW 9	16.09	Fair	CLR	19.9	19.9			100%			75.87	0.0
11	21:35	W 6	14.48	Fair	CLR	19.9	19.9			100%			75.84	0.0
11	21:15	Calm	14.48	Fair	CLR	20.6	20.4			99%			75.74	0.0
11	20:55	Calm	16.09	Fair	CLR	20.9	20.4			97%			75.74	0.0
11	20:35	N 7	14.48	Fair	CLR	21.3	20.5			95%			75.72	0.0
11	20:15	N 7	16.09	Fair	CLR	21.8	20.5			92%			75.72	0.0
11	19:55	N 7	16.09	Fair	CLR	21.7	20.6			94%			75.72	0.0
11	19:35	N 7	16.09	Fair	CLR	21.6	20.7			95%			75.74	0.0
11	19:15	Calm	16.09	A Few Clouds	FEW150	21.3	20.6			96%			75.74	0.0
11	18:55	Calm	16.09	Mostly Cloudy	BKN150	21.1	20.7			98%			75.77	0.0
11	18:35	N 7	16.09	Mostly Cloudy	SCT160 BKN270	21	20.7			98%			75.79	0.0
11	18:15	NW 6	16.09	Partly Cloudy	FEW120 SCT150	21.2	20.4			95%			75.79	0.0
11	17:55	E 11	16.09	Overcast	BKN110 OVC140	21	20.3			96%			75.74	0.0
11	17:35	NE 15 G 30	12.87	Light Rain	SCT030 OVC100	21.1	20.6			97%			75.67	0.0	1.78
11	17:15	NE 22 G 33	0.80	Rain Fog	FEW011 BKN023 OVC044	21.2	20.8			98%			75.69	0.0	1.75
11	16:55	NW 13	16.09	Overcast	FEW032 OVC044	22.2	21.2			94%			75.74	0.0
11	16:35	N 13	16.09	Thunderstorm in Vicinity	FEW016 OVC034	22.3	21.1			93%			75.67	0.0
11	16:15	NE 17	16.09	Overcast	OVC035	22.5	21.1			92%			75.67	0.0
11	15:55	N 15	16.09	Mostly Cloudy	BKN033	22.5	21			91%			75.69	0.0
11	15:35	NE 17	16.09	Thunderstorm in Vicinity	FEW032 SCT065 SCT270	22.8	21.2			91%			75.67	0.0
11	15:15	N 20 G 35	16.09	Thunderstorm in Vicinity	FEW010 SCT028 BKN065 BKN270	22.8	21.3			91%			75.64	0.0
11	14:55	NE 24	16.09	Overcast	BKN009 BKN014 OVC028	22.5	21.5			94%			75.67	0.0
11	14:35	NE 22	16.09	Overcast	BKN008 BKN011 OVC029	23.5	22.3			93%			75.64	0.0
11	14:15	N 19	16.09	Overcast	OVC005	23	22.4			96%			75.67	0.0
11	13:55	N 20	16.09	Overcast	BKN004 OVC044	22.3	22.1			99%			75.72	0.0
11	13:35	N 15	16.09	Overcast	SCT004 OVC044	22.3	22.3			100%			75.72	0.0	0.64
11	13:15	NE 17	1.21	Thunderstorm Heavy Rain Fog/Mist	SCT006 BKN040 OVC060	21.5	21.4			99%			75.74	0.0	0.61
11	12:55	NE 19	2.01	Thunderstorm Light Rain Fog/Mist	FEW007 BKN021 OVC070	21.8	21.8			100%			75.72	0.0
11	12:35	Calm	0.80	Thunderstorm Heavy Rain Fog	BKN020 OVC025	22.5	21.7			95%			75.79	0.0	0.56
11	12:15	N 9	14.48	Thunderstorm in Vicinity	OVC020	23.3	21.8			91%			75.72	0.0
11	11:55	E 11	12.87	Thunderstorm in Vicinity	OVC021	23.3	21.6			90%			75.72	0.0
11	11:35	E 9	14.48	Light Rain	OVC024	23.5	21.6			89%			75.72	0.0
11	11:15	E 13	14.48	Overcast	OVC025	23.1	21.5			91%			75.72	0.0
11	10:55	E 17	16.09	Overcast	FEW014 BKN026 OVC085	23.2	21.3			89%			75.72	0.0
11	10:35	E 15	16.09	Overcast	SCT012 OVC090	23.2	21.5			90%			75.72	0.0
11	10:15	SE 24	16.09	Mostly Cloudy	BKN009 BKN090 BKN180	23.2	21.9			92%			75.72	0.0
11	09:55	SE 19	16.09	Overcast	OVC008	22.2	21.6			96%			75.72	0.0
11	09:35	SE 13	16.09	Overcast	OVC008	21.8	21.3			97%			75.74	0.0
11	09:15	SE 13	12.87	Light Rain	BKN008 OVC150	21.4	21			98%			75.74	0.0
11	08:55	SE 13	16.09	Overcast	SCT008 BKN070 OVC150	21.4	21			98%			75.74	0.0
11	08:35	SE 9	9.66	Light Rain Fog/Mist	FEW008 SCT038 SCT050 OVC075	21.5	21			97%			75.77	0.0
11	08:15	SE 15	16.09	Overcast	FEW018 BKN037 OVC075	21.2	20.8			98%			75.77	0.0
11	07:55	SE 13	16.09	Overcast	OVC035	21	20.5			97%			75.79	0.0
11	07:35	SE 9	16.09	Overcast	BKN036 BKN047 OVC120	21	20.7			98%			75.77	0.0
11	07:15	SE 17	16.09	Overcast	FEW006 BKN036 OVC120	20.9	20.7			99%			75.74	0.0
11	06:55	E 20	12.87	Light Rain	SCT006 SCT036 OVC120	20.8	20.8			100%			75.67	0.0
11	06:35	E 13	12.87	Overcast	SCT005 OVC130	20.8	20.8			100%			75.72	0.0
11	06:15	SE 7	14.48	Overcast	BKN005 BKN041 OVC150	20.7	20.5			99%			75.74	0.0
11	05:55	E 15	16.09	Mostly Cloudy	FEW041 BKN150 BKN190	20.3	20.3			100%			75.67	0.0
11	05:35	E 9	16.09	Mostly Cloudy	FEW039 SCT049 BKN170 BKN190	20.2	20.1			99%			75.69	0.0
11	05:15	E 6	16.09	Overcast	FEW006 BKN040 OVC049	20.4	20.2			99%			75.72	0.0
11	04:55	N 11	16.09	Overcast	BKN006 OVC044	20.4	20.3			99%			75.74	0.0
11	04:35	E 9	14.48	Overcast	OVC043	20.6	20.6			100%			75.69	0.0	0.03
11	04:15	E 13	14.48	Light Rain	OVC043	20.7	20.4			98%			75.69	0.0
11	03:55	E 15	16.09	Overcast	OVC048	20.4	20.1			98%			75.69	0.0
11	03:35	E 15	14.48	Light Rain Thunderstorm in Vicinity	OVC055	20.4	20.4			100%			75.72	0.0	0.03
11	03:15	E 20	16.09	Overcast	OVC060	20.6	20.6			100%			75.72	0.0
11	02:55	E 13	14.48	Light Rain	SCT070 BKN140	20.5	20.5			100%			75.72	0.0
11	02:35	SE 11	11.27	Light Rain	SCT090 OVC140	20.4	20.4			100%			75.82	0.0	0.23
11	02:15	SE 15	6.44	Light Rain Fog/Mist Thunderstorm in Vicinity	OVC085	20.8	20.6			99%			75.84	0.0	0.2
11	01:55	Calm	6.44	Light Rain Fog/Mist Thunderstorm in Vicinity	BKN095 OVC120	21.2	20.6			96%			75.82	0.0	0.03
11	01:35	NE 6	8.05	Light Rain Fog/Mist Thunderstorm in Vicinity	FEW075 OVC095	21.3	20.1			93%			75.74	0.0	0.13
11	01:15	N 19	11.27	Light Rain Thunderstorm in Vicinity	OVC095	21.2	19.9			92%			75.74	0.0	0.08
11	00:55	N 11	8.05	Thunderstorm Light Rain Fog/Mist	FEW002 OVC090	21.1	19.9			93%			75.87	0.0	0.03
11	00:35	W 31 G 56	3.22	Thunderstorm Rain Fog/Mist	FEW017 BKN090 OVC110	21.6	20.1			91%			76	0.0	0.1
11	00:15	NW 39 G 54	14.48	Light Rain Thunderstorm in Vicinity and Breezy	FEW090 BKN110	24.7	22.8			89%		25	75.82	0.0
10	23:55	N 13	12.87	Thunderstorm Light Rain	FEW130	24.9	23.4			91%		25	75.77	0.0
10	23:35	N 17	16.09	A Few Clouds	FEW130	24.6	23.9			96%		24	75.77	0.0
10	23:15	N 11	16.09	A Few Clouds	FEW170	24.7	24			96%		25	75.82	0.0
10	22:55	N 11	16.09	Partly Cloudy	FEW170 SCT200	24.8	24			95%		25	75.79	0.0
10	22:35	NE 9	16.09	Partly Cloudy	SCT190	24.6	23.9			96%		24	75.77	0.0
10	22:15	N 9	16.09	Mostly Cloudy	BKN190	25.2	24.1			94%		26	75.79	0.0
10	21:55	N 6	16.09	A Few Clouds	FEW190	24.9	24.6			98%		25	75.74	0.0
10	21:35	N 7	16.09	Mostly Cloudy	BKN200	25.3	24.6			96%		26	75.74	0.0
10	21:15	Calm	16.09	Mostly Cloudy	BKN190	25.7	24.6			94%		27	75.74	0.0
10	20:55	N 7	12.87	Mostly Cloudy	BKN200	25.7	24.9			95%		27	75.74	0.0
10	20:35	NW 9	12.87	Mostly Cloudy	BKN210 BKN230	26	25			94%		28	75.74	0.0
10	20:15	Calm	14.48	Partly Cloudy	SCT220	26.4	25.4			94%		29	75.72	0.0
10	19:55	W 7	14.48	Fair	CLR	26.6	25.7			95%		30	75.74	0.0
10	19:35	Calm	12.87	Fair	CLR	27	25.6			92%		31	75.69	0.0
10	19:15	W 7	14.48	Partly Cloudy	FEW029 SCT170	27.7	25.1			86%		32	75.72	0.0
10	18:55	W 15	16.09	Overcast	SCT028 SCT034 BKN045 OVC170	28.3	25.1			83%		33	75.74	0.0
10	18:35	SW 7	16.09	Mostly Cloudy	BKN170	28.1	24.9			83%		33	75.69	0.0
10	18:15	SW 9	16.09	A Few Clouds	FEW160	28.7	25.1			81%		34	75.69	0.0
10	17:55	SW 7	16.09	A Few Clouds	FEW160	28.9	25			80%		34	75.69	0.0
10	17:35	Calm	16.09	A Few Clouds	FEW150	29.5	23.7			71%		34	75.64	0.0
10	17:15	Calm	16.09	Mostly Cloudy	BKN150	29.1	24.5			76%		34	75.69	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)