Metric (Imperial)

Date	Time (edt)	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	16:15	NE 26	6.44	Thunderstorm Heavy Rain Fog/Mist	BKN003 BKN024 OVC100	24.1	22.8			92%		24	76.12	0.0	0.81
05	15:35	N 11	16.09	Thunderstorm	BKN044 OVC050	30.5	22.8			63%		35	76.07	0.0
05	14:55	S 17	16.09	Thunderstorm in Vicinity	SCT050	38	23.4			43%		45	76.02	0.0
05	14:35	S 6	16.09	Thunderstorm in Vicinity	SCT050	38	23			42%		44	76.07	0.0
05	14:15	SW 13	16.09	Fair	CLR	37.2	22.5			43%		43	76.07	0.0
05	13:55	SW 13	16.09	Fair	CLR	37.4	23.7	37.5	28.1	45%		45	76.1	0.0
05	13:35	W 7	16.09	Fair	CLR	36.9	23.8			47%		44	76.12	0.0
05	13:15	W 11	16.09	Fair	CLR	36.1	24.1			50%		43	76.15	0.0
05	12:55	SW 13	16.09	Fair	CLR	35.7	24.3			52%		43	76.17	0.0
05	12:35	SW 19	16.09	Fair	CLR	35.3	24.5			54%		43	76.2	0.0
05	12:15	SW 15	16.09	Fair	CLR	34.8	24.9			56%		43	76.2	0.0
05	11:55	SW 19	16.09	Fair	CLR	33.9	24.6			58%		41	76.2	0.0
05	11:35	W 19	16.09	Fair	CLR	33.6	24.6			59%		41	76.23	0.0
05	11:15	W 15	16.09	Fair	CLR	33.2	24.7			61%		40	76.2	0.0
05	10:55	W 17	16.09	Fair	CLR	32.7	24.7			63%		40	76.2	0.0
05	10:35	W 17	16.09	Fair	CLR	32.2	25.3			67%		40	76.2	0.0
05	10:15	W 15	16.09	Fair	CLR	31.6	24.9			68%		38	76.2	0.0
05	09:55	W 11	16.09	Fair	CLR	30.8	24.9			71%		37	76.2	0.0
05	09:35	W 17	16.09	Fair	CLR	30.1	24.7			73%		36	76.2	0.0
05	09:15	W 17	16.09	Fair	CLR	29.5	24.5			75%		35	76.2	0.0
05	08:55	W 15	16.09	Mostly Cloudy	BKN110	28.9	24.2			76%		34	76.2	0.0
05	08:35	W 17	16.09	Overcast	OVC110	29.2	24.5			76%		34	76.23	0.0
05	08:15	W 11	16.09	Mostly Cloudy	BKN110	28.4	23.7			76%		32	76.2	0.0
05	07:55	W 9	16.09	Partly Cloudy	SCT100 SCT120	28	23.4	28.1	25.7	76%		32	76.17	0.0
05	07:35	W 13	16.09	Overcast	SCT070 SCT090 OVC120	27.2	23.4			80%		30	76.17	0.0
05	07:15	W 13	16.09	Mostly Cloudy	BKN120	26.6	23.8			85%		29	76.17	0.0
05	06:55	SW 13	16.09	Mostly Cloudy	BKN100	26	23.8			88%		28	76.17	0.0
05	06:35	SW 13	16.09	Thunderstorm in Vicinity	BKN100	25.7	23.6			88%		27	76.15	0.0
05	06:15	SW 17	16.09	Fair	CLR	25.8	23.5			87%		27	76.15	0.0
05	05:55	SW 17	16.09	Fair	CLR	25.9	23.4			86%		28	76.15	0.0
05	05:35	SW 15	16.09	Fair	CLR	25.9	23.4			86%		28	76.12	0.0
05	05:15	SW 17	16.09	Fair	CLR	26	23.4			86%		28	76.12	0.0
05	04:55	SW 15	16.09	Fair	CLR	26.1	23.3			85%		28	76.12	0.0
05	04:35	SW 17	16.09	Partly Cloudy	SCT085	26.5	23.4			83%		29	76.12	0.0
05	04:15	SW 11	16.09	Partly Cloudy	SCT085	26.3	23.3			84%		28	76.12	0.0
05	03:55	SW 13	16.09	Partly Cloudy	SCT075	26.6	23.2			82%		29	76.1	0.0
05	03:35	SW 15	16.09	Partly Cloudy	SCT075	26.6	23.2			82%		29	76.1	0.0
05	03:15	SW 15	16.09	Partly Cloudy	SCT075 SCT090	26.7	23.1			81%		29	76.12	0.0
05	02:55	SW 17	16.09	Fair	CLR	26.8	23.1			80%		29	76.12	0.0
05	02:35	SW 17	16.09	Fair	CLR	26.7	23.1			81%		29	76.12	0.0
05	02:15	SW 15	16.09	Fair	CLR	26.9	23			79%		29	76.15	0.0
05	01:55	SW 15	16.09	Fair	CLR	27.1	23.1	30.1	27.1	79%		30	76.15	0.0
05	01:35	SW 19	16.09	Fair	CLR	27.4	23.5			79%		31	76.17	0.0
05	01:15	SW 15 G 26	16.09	Fair	CLR	27.6	23.7			79%		31	76.17	0.0
05	00:55	SW 13	16.09	Fair	CLR	27.8	23.7			78%		31	76.2	0.0
05	00:35	S 17	16.09	Fair	CLR	27.8	23.7			78%		31	76.17	0.0
05	00:15	S 9	16.09	Fair	CLR	27.8	23.7			78%		31	76.17	0.0
04	23:55	S 7	16.09	Fair	CLR	27.7	23.9			80%		31	76.17	0.0
04	23:35	SW 9	16.09	Fair	CLR	27.9	24			79%		32	76.17	0.0
04	23:15	S 9	16.09	Fair	CLR	28.2	24.1			78%		32	76.17	0.0
04	22:55	S 15	16.09	Fair	CLR	28.3	24.5			80%		33	76.15	0.0
04	22:35	S 13	16.09	Fair	CLR	28.3	24.7			81%		33	76.15	0.0
04	22:15	S 11	16.09	Fair	CLR	28.4	24.8			81%		33	76.12	0.0
04	21:55	S 19	16.09	Fair	CLR	28.5	24.9			81%		34	76.15	0.0
04	21:35	S 17	16.09	Fair	CLR	28.6	24.7			79%		34	76.15	0.0
04	21:15	S 15	16.09	Fair	CLR	28.7	24.7			79%		34	76.15	0.0
04	20:55	S 15	16.09	Partly Cloudy	SCT021	28.8	24.7			79%		34	76.15	0.0
04	20:35	S 17 G 26	16.09	Mostly Cloudy	BKN021	29.1	24.7			77%		34	76.15	0.0
04	20:15	S 20	16.09	Partly Cloudy	SCT021	29.7	24.6			74%		35	76.12	0.0
04	19:55	SE 15	16.09	Fair	CLR	30.2	24.6	35.8	30.1	72%		36	76.12	0.0
04	19:35	SE 20 G 31	16.09	Fair	CLR	30.9	24.6			69%		37	76.12	0.0
04	19:15	SE 20 G 26	16.09	Fair	CLR	31.5	24.6			67%		38	76.12	0.0
04	18:55	SE 19	16.09	Fair	CLR	32.1	24.6			65%		39	76.15	0.0
04	18:35	SE 20	16.09	Fair	CLR	32.3	24.4			63%		39	76.15	0.0
04	18:15	SE 22	16.09	Fair	CLR	32.8	24.5			62%		40	76.12	0.0
04	17:55	SE 17	16.09	Fair	CLR	33.2	24.7			61%		40	76.12	0.0
04	17:35	SE 17	16.09	Partly Cloudy	SCT027	33.5	24.8			60%		41	76.15	0.0
04	17:15	E 19	16.09	Partly Cloudy	SCT027	34.1	24.9			59%		42	76.15	0.0
04	16:55	SE 20 G 26	16.09	Fair	CLR	34.1	25.1			59%		42	76.15	0.0
04	16:35	E 17 G 28	16.09	Fair	CLR	34	25.2			60%		42	76.15	0.0
04	16:15	E 15	16.09	Fair	CLR	34.4	25.2			59%		43	76.17	0.0
04	15:55	E 17	16.09	Fair	CLR	34.2	25.1			59%		42	76.17	0.0
04	15:35	E 20	16.09	Mostly Cloudy	SCT035 SCT041 BKN050	33.8	25.6			62%		43	76.2	0.0
04	15:15	E 19	16.09	Mostly Cloudy	SCT031 SCT043 BKN050	33.4	25			61%		41	76.2	0.0
04	14:55	E 20	16.09	Mostly Cloudy	SCT055 BKN065	34.1	25.2			60%		42	76.2	0.0
04	14:35	SE 15	16.09	Mostly Cloudy	SCT031 SCT042 BKN060	33.6	25.4			62%		42	76.23	0.0
04	14:15	SE 20	16.09	Mostly Cloudy	SCT031 SCT043 BKN050	33.4	24.8			61%		41	76.23	0.0
04	13:35	N 6	16.09	Mostly Cloudy	SCT043 BKN055 BKN065	34.7	22.9			50%		40	76.28	0.0
04	13:15	NE 7	16.09	Partly Cloudy	SCT041 SCT048	35.5	23.3			49%		42	76.28	0.0
04	12:50	NE 7	16.09	Partly Cloudy	SCT036	35.1	23.8			52%		42	76.3	0.0
04	12:35	N 6	16.09	Mostly Cloudy	BKN036	34.7	23.9			53%		41	76.3	0.0
04	12:15	W 9	16.09	Partly Cloudy	SCT032 SCT040 SCT049	34.6	24.2			55%		42	76.3	0.0
04	11:55	Calm	16.09	Mostly Cloudy	BKN030 BKN043 BKN048	32.6	23.9			60%		39	76.3	0.0
04	11:35	Calm	16.09	Mostly Cloudy	BKN030	32.6	23.9			60%		39	76.33	0.0
04	11:15	W 11	16.09	Partly Cloudy	SCT030 SCT046 SCT055	32.7	23.8			59%		39	76.33	0.0
04	10:55	NW 7	16.09	Partly Cloudy	SCT048	32.5	23.7			60%		38	76.35	0.0
04	10:35	NW 7	16.09	Partly Cloudy	SCT022 SCT039	31.8	24.1			64%		38	76.35	0.0
04	10:15	Calm	16.09	Partly Cloudy	SCT022 SCT032	31.5	24.4			66%		38	76.35	0.0
04	09:55	W 13	16.09	Fair	CLR	30.9	24.4			68%		37	76.35	0.0
04	09:35	W 9	16.09	Partly Cloudy	SCT041	30.2	24.3			71%		36	76.35	0.0
04	09:15	Calm	16.09	Partly Cloudy	SCT041	29.5	25.7			80%		36	76.35	0.0
04	08:55	Calm	16.09	Partly Cloudy	SCT039	28.7	26			85%		35	76.35	0.0
04	08:35	Calm	16.09	Fair	CLR	27.6	26.7			95%		33	76.35	0.0
04	08:15	Calm	16.09	Partly Cloudy	SCT045	25.7	25.3			98%		27	76.33	0.0
04	07:55	Calm	11.27	Fair	CLR	24.1	23.7	24.3	20.2	98%		23	76.33	0.0
04	07:35	Calm	11.27	Fog/Mist	CLR	22.3	21.9			98%			76.3	0.0
04	07:15	Calm	0.80	Fog	VV005	21.1	20.6			97%			76.3	0.0
04	06:55	Calm	1.61	Fog/Mist	BKN003	20.7	20.1			96%			76.28	0.0
04	06:35	Calm	0.80	Fog	VV005	20.2	19.6			96%			76.28	0.0
04	06:15	Calm	1.61	Fog/Mist	VV007	20.6	20.2			98%			76.28	0.0
04	05:55	Calm	16.09	Fair	CLR	20.5	19.9			96%			76.25	0.0
04	05:35	Calm	2.82	Fog/Mist	VV007	20.8	20.2			96%			76.25	0.0
04	05:15	Calm	1.21	Fog/Mist	VV005	21.1	20.5			96%			76.25	0.0
04	04:55	Calm	2.41	Fog/Mist	VV007	20.9	20.3			96%			76.25	0.0
04	04:35	Calm	6.44	Fog/Mist	CLR	20.9	20.3			96%			76.25	0.0
04	04:15	Calm	4.02	Fog/Mist	CLR	21.1	20.4			96%			76.25	0.0
04	03:55	Calm	8.05	Fog/Mist	CLR	21.6	20.9			96%			76.28	0.0
04	03:35	Calm	3.22	Fog/Mist	CLR	21.7	21			96%			76.28	0.0
04	03:15	Calm	5.63	Fog/Mist	CLR	21.9	21.3			96%			76.3	0.0
04	02:55	Calm	16.09	Fair	CLR	22.5	21.9			96%			76.3	0.0
04	02:35	NW 9	16.09	Partly Cloudy	SCT026	22.6	22.1			97%			76.33	0.0
04	02:15	Calm	8.05	Fog/Mist	CLR	21.8	20.9			95%			76.33	0.0
04	01:55	Calm	11.27	Fair	CLR	21.9	21.1	29.9	21.7	95%			76.33	0.0
04	01:35	Calm	16.09	Fair	CLR	22	21.2			95%			76.35	0.0
04	01:15	Calm	11.27	Fog/Mist	CLR	22.1	21.1			94%			76.33	0.0
04	00:55	Calm	8.05	Fog/Mist	CLR	22.2	21.2			94%			76.33	0.0
04	00:35	Calm	16.09	Partly Cloudy	SCT023	22.4	21.3			94%			76.35	0.0
04	00:15	N 6	16.09	Fair	CLR	22.7	21.4			92%			76.35	0.0
03	23:55	Calm	16.09	Fair	CLR	22.8	21.3			91%			76.35	0.0
03	23:35	Calm	16.09	Fair	CLR	23.3	22			92%			76.38	0.0
03	23:15	Calm	16.09	Fair	CLR	22.8	19.6			82%			76.38	0.0
03	22:55	Calm	16.09	Fair	CLR	23.2	19.7			81%			76.4	0.0
03	22:35	SE 9	16.09	Fair	CLR	23.5	20.3			82%			76.38	0.0
03	22:15	E 6	16.09	Fair	CLR	24.1	21.5			85%		24	76.38	0.0
03	21:55	E 7	16.09	Fair	CLR	24.7	21.6			83%		25	76.38	0.0
03	21:35	SE 6	16.09	Fair	CLR	25	19.9			73%		26	76.38	0.0
03	21:15	E 6	16.09	Fair	CLR	26.2	21.4			75%		28	76.35	0.0
03	20:55	E 9	16.09	Fair	CLR	26.9	21.8			74%		29	76.33	0.0
03	20:35	E 11	16.09	Fair	CLR	27.7	21.5			69%		30	76.3	0.0
03	19:55	SE 13	16.09	Fair	CLR	30	21.3	34.7	29.9	60%		33	76.3	0.0
03	19:35	SE 13	16.09	Fair	CLR	30.8	21.4			57%		34	76.3	0.0
03	19:15	SE 11	16.09	Fair	CLR	31.2	21.1			55%		34	76.3	0.0
03	18:55	SE 13	16.09	Fair	CLR	31.8	21.2			53%		35	76.3	0.0
03	18:35	E 15	16.09	Fair	CLR	32	21.4			53%		35	76.3	0.0
03	18:15	E 17	16.09	Fair	CLR	32.3	21.4			53%		36	76.3	0.0
03	17:55	E 19	16.09	Fair	CLR	32.6	21.6			52%		36	76.33	0.0
03	17:35	E 17	16.09	Fair	CLR	33	21.7			51%		37	76.33	0.0
03	17:15	SE 19	11.27	Fair	CLR	33.1	21.9			52%		37	76.33	0.0
03	16:55	E 20	16.09	Partly Cloudy	SCT038	33.3	22.5			53%		38	76.33	0.0
03	16:35	SE 15	16.09	Mostly Cloudy	BKN040	33.3	22.9			54%		38	76.35	0.0
03	16:15	E 15	16.09	Mostly Cloudy	SCT032 BKN042	34.6	23.6			53%		41	76.38	0.0
03	15:55	SE 17	16.09	Mostly Cloudy	SCT033 BKN042 BKN050	33.1	23.5			57%		39	76.38	0.0
03	15:35	E 17	16.09	Mostly Cloudy	SCT028 BKN035 BKN042	34.6	24.2			55%		42	76.38	0.0
03	15:15	E 19	16.09	Overcast	BKN028 BKN038 OVC055	33.2	24			58%		39	76.38	0.0
03	14:55	E 13	16.09	Mostly Cloudy	BKN030 BKN037 BKN055	32.3	23.9			61%		38	76.4	0.0
03	14:35	E 13	16.09	Mostly Cloudy	SCT028 BKN039 BKN055	31.7	23.7			63%		37	76.4	0.0
03	14:15	SE 17	16.09	Overcast	SCT028 BKN033 OVC055	32.4	24.3			62%		39	76.43	0.0
03	13:55	SE 20	16.09	Mostly Cloudy	SCT028 BKN039 BKN047	32.4	23.7	34.7	25.2	60%		38	76.43	0.0
03	13:35	SE 19	16.09	Partly Cloudy	SCT033 SCT043	33.1	24.5			61%		40	76.43	0.0
03	13:15	SE 19	16.09	Mostly Cloudy	SCT033 BKN043	34	23.8			55%		40	76.45	0.0
03	12:55	N 6	16.09	Mostly Cloudy	SCT041 BKN049	33	22.2			53%		37	76.45	0.0
03	12:35	W 7	16.09	Partly Cloudy	SCT039 SCT060	34.3	23.3			53%		40	76.45	0.0
03	12:15	N 9	8.05	Partly Cloudy with Haze	SCT060	33.4	23.1			55%		39	76.45	0.0
03	11:55	N 9	16.09	Fair	CLR	33.7	23.1			54%		39	76.48	0.0
03	11:35	Calm	16.09	Partly Cloudy	SCT046	33.1	22.9			55%		38	76.48	0.0
03	11:15	NW 9	16.09	Mostly Cloudy	BKN048	32.5	23.8			60%		38	76.48	0.0
03	10:55	NW 9	16.09	Mostly Cloudy	SCT025 BKN033 BKN050	31.5	23.9			64%		37	76.48	0.0
03	10:35	W 9	16.09	Mostly Cloudy	SCT025 BKN031 BKN050	31.6	24.3			65%		38	76.48	0.0
03	10:15	Calm	16.09	Mostly Cloudy	SCT019 BKN050	30.5	24.4			70%		36	76.48	0.0
03	09:55	Calm	16.09	Partly Cloudy	SCT017 SCT022	30.1	24.9			74%		36	76.5	0.0
03	09:35	NW 9	16.09	Partly Cloudy	SCT014	29.7	25.1			76%		36	76.5	0.0
03	09:15	NW 7	16.09	Fair	CLR	28.9	25.3			81%		35	76.5	0.0
03	08:55	NW 7	16.09	Fair	CLR	28.6	25.7			84%		35	76.5	0.0
03	08:35	NW 6	16.09	Fair	CLR	27.7	26.1			91%		33	76.5	0.0
03	08:15	NW 6	16.09	Fair	CLR	26	25.4			97%		28	76.48	0.0
03	07:55	Calm	16.09	Fair	CLR	25	24.6	25.2	21.7	98%		25	76.45	0.0
03	07:35	Calm	11.27	Fair	CLR	23.7	23.2			97%			76.43	0.0
03	07:15	Calm	8.05	Fog/Mist	CLR	22.5	21.8			96%			76.43	0.0
03	06:55	Calm	4.83	Fog/Mist	CLR	22	21.3			96%			76.4	0.0
03	06:35	Calm	16.09	Partly Cloudy	SCT026	21.9	21.3			96%			76.38	0.0
03	06:15	NW 6	5.63	Fog/Mist	SCT023 SCT029	21.9	21.3			96%			76.38	0.0
03	05:55	Calm	4.83	Fog/Mist	CLR	22.1	21.5			96%			76.38	0.0
03	05:35	Calm	16.09	Partly Cloudy	SCT021 SCT027 SCT033	22.5	21.9			96%			76.35	0.0
03	05:15	W 6	16.09	Mostly Cloudy	SCT021 BKN027 BKN033	22.6	22.1			97%			76.35	0.0
03	04:55	W 6	11.27	Partly Cloudy	SCT019 SCT027 SCT047	22.6	22.1			97%			76.35	0.0
03	04:35	NW 9	16.09	Partly Cloudy	SCT018	22.2	21.6			96%			76.35	0.0
03	04:15	Calm	11.27	Partly Cloudy	SCT018	22	21.5			97%			76.33	0.0
03	03:55	Calm	16.09	Fair	CLR	21.9	21.2			96%			76.33	0.0
03	03:35	Calm	16.09	Fair	CLR	21.9	21.3			96%			76.33	0.0
03	03:15	Calm	11.27	Fair	CLR	22	21.3			96%			76.33	0.0
03	02:55	Calm	6.44	Fog/Mist	CLR	21.7	21			96%			76.33	0.0
03	02:35	Calm	16.09	Partly Cloudy	SCT017	21.8	21.2			96%			76.35	0.0
03	02:15	Calm	16.09	Partly Cloudy	SCT017	22	21.4			96%			76.38	0.0
03	01:55	Calm	11.27	Fair	CLR	22	21.4	29.7	21.9	96%			76.38	0.0
03	01:35	Calm	11.27	Fair	CLR	22	21.4			96%			76.38	0.0
03	01:15	Calm	16.09	Fair	CLR	22	21.3			96%			76.38	0.0
03	00:55	Calm	16.09	Fair	CLR	22.2	21.5			96%			76.38	0.0
03	00:35	NW 6	16.09	Fair	CLR	22.2	21.5			96%			76.4	0.0
03	00:15	Calm	16.09	Fair	CLR	22.3	21.5			95%			76.38	0.0
02	23:55	Calm	16.09	Fair	CLR	22.3	21.4			95%			76.4	0.0
02	23:35	Calm	16.09	Fair	CLR	22.9	22.1			95%			76.4	0.0
02	23:15	N 6	16.09	Fair	CLR	22.9	21.8			94%			76.43	0.0
02	22:55	NW 6	16.09	Fair	CLR	23.1	21.9			93%			76.43	0.0
02	22:35	Calm	16.09	Fair	CLR	23.6	21.8			90%			76.4	0.0
02	21:55	E 6	16.09	Fair	CLR	24.7	20.5			78%		25	76.4	0.0
02	21:35	E 9	16.09	Fair	CLR	25.4	21.3			78%		27	76.38	0.0
02	21:15	E 7	16.09	Fair	CLR	26.1	22			78%		28	76.38	0.0
02	20:55	E 9	11.27	Fair	CLR	26.6	21.6			74%		28	76.38	0.0
02	20:35	E 9	16.09	Fair	CLR	27.4	22.4			74%		30	76.38	0.0
02	20:15	E 15	16.09	Fair	CLR	28.6	22.5			70%		32	76.38	0.0
02	19:55	E 13	16.09	Fair	CLR	29.9	22.8	34.7	29.6	66%		34	76.38	0.0
02	19:35	SE 15	16.09	Fair	CLR	30.4	23.1			65%		35	76.38	0.0
02	19:15	E 11	16.09	Fair	CLR	30.6	23.3			65%		35	76.38	0.0
02	18:55	SE 19	16.09	Fair	CLR	29.7	22.9			67%		34	76.35	0.0
02	18:35	E 17	16.09	Fair	CLR	30.4	22.3			62%		34	76.35	0.0
02	18:15	E 17	16.09	Fair	CLR	33	22.4			54%		37	76.35	0.0
02	17:55	E 19	16.09	Fair	CLR	32.6	22.4			55%		37	76.38	0.0
02	17:35	E 17	16.09	Fair	CLR	33.6	22.1			51%		38	76.38	0.0
02	17:15	E 15	16.09	Fair	CLR	33.9	22			50%		38	76.38	0.0
02	16:55	E 17	16.09	Fair	CLR	34	22.1			50%		38	76.38	0.0
02	16:35	NE 9	16.09	Partly Cloudy	SCT041	34.2	21.7			48%		38	76.38	0.0
Date	Time (edt)	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)