Metric (Imperial)

Date	Time (est)	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.
05	20:15	SE 7	16.09	Fair	CLR	16	11.7			76%			76.73	0.0
05	19:55	SE 7	16.09	Fair	CLR	17.2	11.9			71%			76.71	0.0
05	19:35	S 6	16.09	Fair	CLR	18	12.1			69%			76.71	0.0
05	19:15	S 7	16.09	Fair	CLR	18.8	11.9			64%			76.71	0.0
05	18:55	S 7	16.09	Fair	CLR	19.9	11.9	24.3	19.8	60%			76.68	0.0
05	18:35	SW 11	16.09	Fair	CLR	20.4	11.8			58%			76.71	0.0
05	18:15	SW 11	16.09	Fair	CLR	20.7	12.1			58%			76.71	0.0
05	17:55	S 11	16.09	Fair	CLR	21.5	12.2			56%			76.68	0.0
05	17:35	S 15	16.09	Fair	CLR	22.3	12.2			53%			76.68	0.0
05	17:15	S 17	16.09	Partly Cloudy	SCT110	22.6	11.9			51%			76.68	0.0
05	16:55	S 9	16.09	Partly Cloudy	SCT110	22.5	11.8			51%			76.66	0.0
05	16:35	S 11	16.09	Partly Cloudy	SCT060 SCT070	23.3	11.9			49%			76.68	0.0
05	16:15	S 13	16.09	Mostly Cloudy	SCT048 BKN060	23.2	11.7			48%			76.66	0.0
05	15:55	S 13	16.09	Partly Cloudy	SCT044 SCT060	23.5	12.5			50%			76.68	0.0
05	15:35	SW 11	16.09	Mostly Cloudy	SCT045 SCT060 BKN070	23.4	12.5			50%			76.68	0.0
05	15:15	SW 17	16.09	Overcast	SCT048 BKN050 OVC070	22.8	12.3			52%			76.68	0.0
05	14:55	S 11	16.09	Overcast	BKN050 OVC060	22.6	11.6			50%			76.68	0.0
05	14:35	S 7	16.09	Mostly Cloudy	BKN050 BKN060	22.7	11.3			49%			76.71	0.0
05	14:15	S 19	16.09	Partly Cloudy	SCT050 SCT060	23.6	11.9			48%			76.71	0.0
05	13:55	S 13	16.09	Partly Cloudy	SCT044 SCT050	22.4	11.7			51%			76.71	0.0
05	13:35	S 20 G 31	16.09	Mostly Cloudy	SCT045 BKN055 BKN065	23	12.4			51%			76.73	0.0
05	13:15	S 26	16.09	Partly Cloudy	SCT044 SCT060 SCT110	22.7	12.4			52%			76.76	0.0
05	12:55	SW 9	16.09	Partly Cloudy	SCT060	22	12.9	22.3	7.5	56%			76.78	0.0
05	12:35	S 6	16.09	Mostly Cloudy	SCT042 SCT050 BKN060	21.1	13			60%			76.81	0.0
05	12:15	S 7	16.09	Overcast	SCT038 BKN050 OVC120	21.5	12.9			58%			76.84	0.0
05	11:55	SW 11	16.09	Overcast	BKN038 BKN050 OVC120	21	12.5			58%			76.86	0.0
05	11:35	W 6	16.09	Overcast	BKN037 OVC050	20.7	12.9			61%			76.86	0.0
05	11:15	W 7	16.09	Overcast	BKN033 BKN042 OVC060	21.5	13.3			60%			76.89	0.0
05	10:55	SE 9	16.09	Mostly Cloudy	BKN033 BKN042 BKN050	20.2	13.3			65%			76.89	0.0
05	10:35	Calm	16.09	Mostly Cloudy	BKN033 BKN039 BKN050	19.2	13.5			70%			76.89	0.0
05	10:15	Calm	16.09	Mostly Cloudy	SCT029 BKN050	18.8	13.4			71%			76.89	0.0
05	09:55	Calm	11.27	Mostly Cloudy	BKN025 BKN031	19	13.6			71%			76.89	0.0
05	09:35	N 6	16.09	Partly Cloudy	SCT025	17.2	13.1			77%			76.89	0.0
05	09:15	Calm	11.27	Fair	CLR	14.9	12.1			83%			76.89	0.0
05	08:55	NE 6	11.27	Partly Cloudy	SCT021 SCT038 SCT055	11.2	10.5			96%			76.86	0.0
05	08:35	Calm	11.27	Fog/Mist	CLR	10.7	10.3			97%			76.86	0.0
05	08:15	NE 6	11.27	Fog/Mist	SCT045 SCT050	9.6	9.4			99%			76.86	0.0
05	07:55	Calm	11.27	Fog/Mist	BKN043	9.5	9.1			97%			76.84	0.0
05	07:35	Calm	11.27	Fog/Mist	BKN043	9.4	9.1			98%			76.84	0.0
05	07:15	N 7	6.44	Fog/Mist	BKN041	8.2	8.1			99%	7		76.84	0.0
05	06:55	N 6	5.63	Fog/Mist	CLR	8.1	8	10.5	7	99%			76.81	0.0
05	06:35	E 6	8.05	Fog/Mist	CLR	8	7			93%			76.81	0.0
05	06:15	Calm	11.27	Fog/Mist	SCT050	7.9	7.7			99%			76.81	0.0
05	05:55	Calm	11.27	Fog/Mist	SCT042 SCT048	8.4	8.3			99%			76.78	0.0
05	05:35	Calm	11.27	Fog/Mist	SCT042 BKN048	8.3	8.1			99%			76.78	0.0
05	05:15	Calm	11.27	Mostly Cloudy	BKN042	8.5	8.2			98%			76.78	0.0
05	04:55	Calm	11.27	Mostly Cloudy	BKN042	8.6	8.3			98%			76.78	0.0
05	04:35	Calm	11.27	Fog/Mist	SCT044	8.6	8.4			99%			76.76	0.0
05	04:15	Calm	11.27	Fair	CLR	8.7	8.6			99%			76.73	0.0
05	03:55	Calm	11.27	Fog/Mist	CLR	9.2	9.1			99%			76.73	0.0
05	03:35	NE 6	11.27	Fair	CLR	8.7	8.5			99%			76.73	0.0
05	03:15	Calm	11.27	Fog/Mist	CLR	8.7	8.6			99%			76.73	0.0
05	02:55	Calm	8.05	Fog/Mist	CLR	8.5	8.4			99%			76.73	0.0
05	02:35	Calm	8.05	Fog/Mist	CLR	8.3	8.1			99%			76.73	0.0
05	02:15	Calm	8.05	Fog/Mist	CLR	8.3	8.1			99%			76.76	0.0
05	01:55	N 6	8.05	Fog/Mist	CLR	8.8	8.6			99%			76.78	0.0
05	01:35	N 7	11.27	Fair	CLR	9.6	9.4			99%	9		76.81	0.0
05	01:15	Calm	11.27	Fog/Mist	CLR	9.3	9			98%			76.81	0.0
05	00:55	Calm	11.27	Fair	CLR	9	8.4	18.9	8.8	96%			76.81	0.0
05	00:35	Calm	11.27	Fair	CLR	9.8	9.2			96%			76.84	0.0
05	00:15	E 6	11.27	Fair	CLR	10.1	9.6			97%			76.81	0.0
04	23:55	Calm	16.09	Fair	CLR	10.6	9.7			94%			76.84	0.0
04	23:35	Calm	16.09	Fair	CLR	10.7	9.5			92%			76.86	0.0
04	23:15	Calm	16.09	Fair	CLR	10.9	9.7			92%			76.89	0.0
04	22:55	Calm	16.09	Fair	CLR	10.9	9.3			90%			76.89	0.0
04	22:35	Calm	16.09	Fair	CLR	11.1	9.4			89%			76.89	0.0
04	22:15	Calm	16.09	Fair	CLR	12.2	10			87%			76.89	0.0
04	21:55	E 6	16.09	Fair	CLR	12.8	10.1			84%			76.89	0.0
04	21:35	N 6	16.09	Fair	CLR	13.3	10.5			83%			76.86	0.0
04	21:15	Calm	16.09	Fair	CLR	13.4	10.3			82%			76.86	0.0
04	20:55	S 6	16.09	Fair	CLR	13.8	10.3			80%			76.86	0.0
04	20:35	S 7	16.09	Fair	CLR	14.4	10.5			78%			76.86	0.0
04	20:15	S 6	16.09	Fair	CLR	15.4	10.4			72%			76.86	0.0
04	19:55	S 9	16.09	Fair	CLR	17.2	10.6			65%			76.86	0.0
04	19:35	SW 11	16.09	Fair	CLR	18	10.7			63%			76.86	0.0
04	19:15	S 11	16.09	Fair	CLR	18.6	10.9			61%			76.84	0.0
04	18:55	SW 11	11.27	Fair	CLR	18.9	10.9	23.2	18.8	60%			76.81	0.0
04	18:35	SW 7	16.09	Fair	CLR	19.2	10.8			58%			76.81	0.0
04	18:15	SW 11	16.09	Partly Cloudy	SCT045	20	10.7			55%			76.81	0.0
04	17:55	SW 9	16.09	Mostly Cloudy	BKN045	20.6	11			54%			76.81	0.0
04	17:35	SW 13	16.09	Partly Cloudy	SCT046 SCT050	20.9	11.3			54%			76.78	0.0
04	17:15	S 7	11.27	Partly Cloudy	SCT046	21.3	11.1			52%			76.78	0.0
04	16:55	S 17	11.27	Fair	CLR	22	11.3			51%			76.78	0.0
04	16:35	SW 17	11.27	Fair	CLR	22.1	11.5			51%			76.76	0.0
04	16:15	Calm	8.05	Fair with Haze	CLR	22.6	11.9			51%			76.76	0.0
04	15:55	W 6	6.44	Mostly Cloudy with Haze	BKN048 BKN060	21.9	11.8			53%			76.76	0.0
04	15:35	SW 9	11.27	Overcast	OVC048	21.9	11.7			52%			76.78	0.0
04	15:15	Calm	16.09	Partly Cloudy	SCT050	22	11.6			52%			76.78	0.0
04	14:55	SW 11	16.09	Partly Cloudy	SCT045	21.9	10.8			49%			76.78	0.0
04	14:35	W 9	11.27	Mostly Cloudy	BKN045	23	12.1			50%			76.81	0.0
04	14:15	W 7	16.09	Mostly Cloudy	BKN045	22	11.4			51%			76.81	0.0
04	13:55	Calm	16.09	Mostly Cloudy	SCT043 BKN050	21.4	11.6			54%			76.84	0.0
04	13:35	W 7	16.09	Mostly Cloudy	SCT039 BKN048	21.6	12.2			55%			76.86	0.0
04	13:15	SW 11	16.09	Mostly Cloudy	SCT036 SCT043 BKN050	21.7	12.5			56%			76.91	0.0
04	12:55	W 6	16.09	Overcast	BKN036 BKN044 OVC050	21	12.7	21.9	8.8	59%			76.94	0.0
04	12:35	S 7	16.09	Overcast	SCT034 OVC050	21	12.5			58%			76.99	0.0
04	12:15	W 9	16.09	Mostly Cloudy	SCT037 SCT048 BKN050	20.6	12.7			61%			77.01	0.0
04	11:55	W 7	16.09	Overcast	SCT034 BKN042 OVC047	20	12.4			62%			77.04	0.0
04	11:35	W 13	16.09	Overcast	BKN032 OVC041	20.2	12.7			62%			77.04	0.0
04	11:15	SW 11	16.09	Mostly Cloudy	BKN030	20.2	12.7			62%			77.06	0.0
04	10:55	Calm	16.09	Partly Cloudy	SCT030	19.1	11.9			63%			77.06	0.0
04	10:35	NE 6	16.09	Fair	CLR	18.4	11.7			65%			77.09	0.0
04	10:15	Calm	16.09	Fair	CLR	17.4	11.6			69%			77.09	0.0
04	09:55	Calm	11.27	Fair	CLR	15.9	10.2			69%			77.09	0.0
04	09:35	Calm	16.09	Fair	CLR	14.8	9.5			71%			77.09	0.0
04	09:15	E 6	16.09	Fair	CLR	13.9	9.3			74%			77.09	0.0
04	08:55	Calm	16.09	Fair	CLR	12.7	8.7			77%			77.09	0.0
04	08:35	Calm	16.09	Partly Cloudy	SCT050	11.6	8.5			81%			77.09	0.0
04	08:15	Calm	16.09	Partly Cloudy	SCT050	10.6	8.3			86%			77.06	0.0
04	07:55	Calm	16.09	Partly Cloudy	SCT049	9.6	8.2			91%			77.06	0.0
04	07:35	Calm	8.05	Fog/Mist	BKN049	9.1	7.8			92%			77.06	0.0
04	07:15	Calm	11.27	Overcast	OVC049	9.1	7.8			92%			77.06	0.0
04	06:55	Calm	16.09	Overcast	OVC047	9.1	8	9.4	6.2	93%			77.04	0.0
04	06:35	Calm	16.09	Overcast	OVC047	9.2	8			92%			77.06	0.0
04	06:15	Calm	16.09	Overcast	SCT035 OVC043	9.2	8			92%			77.06	0.0
04	05:55	Calm	16.09	Overcast	OVC041	9	7.8			92%			77.06	0.0
04	05:35	Calm	16.09	Overcast	OVC041	8.9	7.8			93%			77.04	0.0
04	05:15	Calm	11.27	Overcast	OVC037	8.8	7.8			94%			77.04	0.0
04	04:55	Calm	16.09	Overcast	OVC037	8.9	7.9			94%			77.04	0.0
04	04:35	Calm	16.09	Overcast	SCT023 SCT031 OVC037	9	7.9			93%			77.04	0.0
04	04:15	Calm	16.09	Overcast	SCT023 OVC035	8.6	7.4			92%			77.04	0.0
04	03:55	Calm	16.09	Overcast	OVC035	8.3	7.2			93%			77.01	0.0
04	03:35	Calm	11.27	Overcast	OVC033	8	7.1			94%			77.01	0.0
04	03:15	S 6	11.27	Overcast	OVC031	7.9	7			94%			77.04	0.0
04	02:55	Calm	11.27	Overcast	OVC029	7.3	6.6			95%			77.04	0.0
04	02:35	Calm	11.27	Fog/Mist	OVC031	7.1	6.5			96%			77.04	0.0
04	02:15	Calm	11.27	Fog/Mist	BKN031	6.9	6.3			96%			77.04	0.0
04	01:55	Calm	11.27	Fair	CLR	7	6.2			95%			77.04	0.0
04	01:35	SW 6	11.27	Fair	CLR	6.9	6.1			95%			77.04	0.0
04	01:15	SE 13	11.27	Fair	CLR	8.4	6.4			87%	7		77.01	0.0
04	00:55	E 6	16.09	Fair	CLR	9.2	7.2	12.7	8.4	87%			77.01	0.0
04	00:35	N 6	16.09	Fair	CLR	8.7	7			89%			76.99	0.0
04	00:15	SE 7	16.09	Fair	CLR	8.8	6.9			88%	8		76.99	0.0
03	23:55	SE 7	16.09	Fair	CLR	9.3	6.9			85%	9		76.99	0.0
03	23:35	E 15	16.09	Fair	CLR	9.5	6.9			84%	8		77.01	0.0
03	23:15	E 9	16.09	Fair	CLR	9.6	6.9			83%	9		77.01	0.0
03	22:55	E 11	16.09	Fair	CLR	10	7.2			83%	9		77.01	0.0
03	22:35	E 13	16.09	Fair	CLR	10.3	7.3			82%			77.01	0.0
03	22:15	SE 7	16.09	Fair	CLR	9.9	7.5			85%	9		77.01	0.0
03	21:55	E 6	16.09	Fair	CLR	9.8	7.3			85%			77.01	0.0
03	21:35	NE 9	16.09	Fair	CLR	9.1	7			87%	8		77.01	0.0
03	21:15	E 6	16.09	Fair	CLR	10.6	7.3			80%			77.01	0.0
03	20:55	E 9	16.09	Fair	CLR	11	7.5			79%			77.01	0.0
03	20:35	SE 7	16.09	Fair	CLR	11.3	7.5			78%			77.01	0.0
03	20:15	SE 7	16.09	Fair	CLR	11.5	7.6			77%			77.01	0.0
03	19:55	SE 9	16.09	Fair	CLR	11.8	7.8			77%			76.99	0.0
03	19:35	E 9	16.09	Fair	CLR	11.6	7.8			78%			76.96	0.0
03	19:15	Calm	16.09	Fair	CLR	12.1	7.8			75%			76.99	0.0
03	18:55	SE 6	16.09	Fair	CLR	12.6	7.7	17.1	12.5	72%			76.99	0.0
03	18:35	SE 7	16.09	Fair	CLR	13.4	7.8			69%			76.99	0.0
03	18:15	SE 11	16.09	Fair	CLR	14	7.9			67%			76.99	0.0
03	17:55	SE 9	16.09	Fair	CLR	14.8	8			64%			76.99	0.0
03	17:35	S 11	16.09	Fair	CLR	15.5	8.1			62%			76.99	0.0
03	17:15	S 13	16.09	Fair	CLR	15.9	8.2			60%			76.99	0.0
03	16:55	S 17	16.09	Fair	CLR	16.3	8.2			59%			76.99	0.0
03	16:35	SE 15	16.09	Fair	CLR	16.5	8.6			60%			76.99	0.0
03	16:15	E 11	11.27	Fair with Haze	CLR	16.6	8.6			59%			76.99	0.0
03	15:55	SE 11	16.09	Fair	CLR	16.4	8.7			61%			76.99	0.0
03	15:35	E 13	16.09	Fair	CLR	16.6	8.8			60%			77.01	0.0
03	15:15	S 11	16.09	Fair	CLR	16.3	8.6			61%			77.01	0.0
03	14:55	S 13	16.09	Fair	CLR	15.9	8.6			62%			77.04	0.0
03	14:35	S 15	16.09	Fair	CLR	15.3	8.7			65%			77.04	0.0
03	14:15	S 15	16.09	Partly Cloudy	SCT050	15.6	8.8			64%			77.06	0.0
03	13:55	S 13	16.09	Partly Cloudy	SCT024 SCT050	15.7	9.1			65%			77.09	0.0
03	13:35	S 13	16.09	Partly Cloudy	SCT022	15.9	8.9			63%			77.09	0.0
03	13:15	S 15	16.09	Partly Cloudy	SCT022 SCT050	15.5	8.9			65%			77.11	0.0
03	12:55	S 22	16.09	Mostly Cloudy	BKN022	15.3	9.1	15.6	8.7	67%			77.14	0.0
03	12:35	SW 19	11.27	Partly Cloudy	SCT024	14	8.5			70%			77.14	0.0
03	12:15	S 15	16.09	Fair	CLR	13.5	8.3			71%			77.17	0.0
03	11:55	S 17	16.09	Mostly Cloudy	BKN019	14.4	8.7			69%			77.17	0.0
03	11:35	Calm	16.09	Overcast	OVC019	14	8.3			69%			77.19	0.0
03	11:15	S 11	16.09	Overcast	OVC019	13.6	8.4			71%			77.19	0.0
03	10:55	SW 11	16.09	Overcast	OVC019	12.9	8.2			73%			77.19	0.0
03	10:35	Calm	16.09	Overcast	OVC017	13.3	8.3			72%			77.19	0.0
03	10:15	S 6	16.09	Overcast	OVC017	13	8.2			73%			77.19	0.0
03	09:55	SE 9	16.09	Overcast	OVC017	13	8.5			74%			77.17	0.0
03	09:35	SE 9	16.09	Overcast	OVC017	11.7	8.1			79%			77.17	0.0
03	09:15	E 17	16.09	Overcast	OVC017	11.1	7.7			80%			77.17	0.0
03	08:55	E 19	16.09	Overcast	OVC017	10.5	7.4			81%			77.17	0.0
03	08:35	E 19	16.09	Overcast	OVC017	10	7.2			83%	8		77.14	0.0
03	08:15	E 17	16.09	Overcast	OVC015	9.8	6.9			82%	8		77.14	0.0
03	07:55	E 17	16.09	Overcast	OVC017	9.5	6.8			83%	7		77.14	0.0
03	07:35	E 15	16.09	Overcast	OVC017	9.2	6.4			83%	7		77.11	0.0
03	07:15	E 15	11.27	Overcast	OVC017	8.9	6.2			83%	7		77.11	0.0
03	06:55	E 17	16.09	Overcast	OVC017	8.7	6	9.1	8.2	83%	6		77.11	0.0
03	06:35	E 15	16.09	Overcast	OVC017	8.6	5.9			83%	6		77.09	0.0
03	06:15	E 13	11.27	Overcast	OVC017	8.7	5.9			83%	7		77.11	0.0
03	05:55	E 11	11.27	Overcast	OVC019	8.6	5.8			83%	7		77.11	0.0
03	05:35	E 13	11.27	Overcast	OVC021	8.5	5.7			83%	7		77.09	0.0
03	05:15	E 17	11.27	Overcast	OVC021	8.6	5.7			82%	6		77.06	0.0
03	04:55	SE 13	16.09	Overcast	BKN021 OVC027	8.5	5.4			81%	7		77.04	0.0
03	04:35	SE 20 G 26	16.09	Overcast	OVC021	8.6	5.2			79%	6		77.04	0.0
03	04:15	E 17	16.09	Overcast	OVC021	8.4	4.6			77%	6		77.04	0.0
03	03:55	E 15	16.09	Overcast	OVC021	8.4	4.4			76%	6		77.04	0.0
03	03:35	E 19	16.09	Overcast	OVC021	8.2	4			75%	6		77.04	0.0
03	03:15	E 20	16.09	Overcast	OVC023	8.4	3.5			72%	6		77.04	0.0
03	02:55	E 20	16.09	Overcast	OVC023	8.4	3.1			70%	6		77.04	0.0
03	02:35	E 26 G 35	16.09	Overcast	BKN025 OVC085	8.5	2.7			67%	5		77.06	0.0
03	02:15	E 26	16.09	Overcast	BKN027 OVC085	8.6	2.7			67%	5		77.06	0.0
03	01:55	E 20 G 30	16.09	Mostly Cloudy	BKN027 BKN095	8.5	2.6			67%	6		77.09	0.0
03	01:35	E 24 G 31	16.09	Overcast	BKN027 OVC095	9	2.8			65%	6		77.06	0.0
03	01:15	E 22 G 35	16.09	Mostly Cloudy	BKN027 BKN032 BKN095	9	2.7			65%	6		77.09	0.0
03	00:55	E 22	16.09	Overcast	OVC025	9.1	2.5	11.4	9.1	64%	6		77.09	0.0
03	00:35	E 28 G 35	16.09	Overcast	BKN027 OVC100	9.4	2.4			62%	6		77.09	0.0
03	00:15	E 28 G 35	16.09	Overcast	OVC110	9.5	2.3			61%	6		77.06	0.0
02	23:55	E 26	16.09	Overcast	OVC110	9.6	2.1			60%	7		77.06	0.0
02	23:35	E 22 G 30	16.09	Overcast	OVC110	9.9	2.3			59%	7		77.09	0.0
02	23:15	E 17 G 30	16.09	Mostly Cloudy	BKN110	10.2	2.8			60%			77.09	0.0
02	22:55	E 17	16.09	Mostly Cloudy	BKN110	10.4	3.1			61%			77.09	0.0
02	22:35	E 20 G 30	16.09	Overcast	OVC110	10.5	3.3			61%			77.09	0.0
02	22:15	E 19	16.09	Mostly Cloudy	BKN100 BKN120	10.8	3.5			61%			77.06	0.0
02	21:55	E 19 G 31	16.09	Mostly Cloudy	SCT090 BKN120	10.6	3.5			62%			77.04	0.0
02	21:35	E 19	16.09	Light Rain	BKN090 BKN120	10.6	3.8			63%			77.04	0.0
02	21:15	E 28	16.09	Overcast	SCT055 SCT075 OVC100	11.2	3.3			59%			77.04	0.0
02	20:55	E 19	16.09	Overcast	OVC100	11.2	3.2			58%			77.04	0.0
02	20:35	E 20	16.09	Overcast	OVC100	11.2	3.4			59%			77.04	0.0
Date	Time (est)	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)