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.
11	16:55	S 6	16.09	Partly Cloudy	SCT120	30.3	17.2			45%		31	76.5	0.0
11	16:35	NW 7	16.09	Fair	CLR	30.1	16.8			45%		30	76.5	0.0
11	16:15	S 6	16.09	Partly Cloudy	SCT110	30.1	17.2			46%		31	76.5	0.0
11	15:55	S 6	16.09	Overcast	SCT070 OVC110	28.9	17.5			50%		30	76.5	0.0
11	15:35	Calm	16.09	Overcast	SCT070 OVC100	28.7	17.3			50%		29	76.53	0.0
11	15:15	S 7	16.09	Mostly Cloudy	SCT060 SCT070 BKN110	28.8	17.3			50%		29	76.53	0.0
11	14:55	SE 6	16.09	Mostly Cloudy	SCT049 SCT060 BKN070	28.7	17.6			51%		29	76.53	0.0
11	14:35	SE 6	16.09	Overcast	BKN049 BKN060 OVC070	28.6	16.9			49%		29	76.53	0.0
11	14:15	S 6	16.09	Mostly Cloudy	BKN049 BKN070	30	17.2			46%		30	76.53	0.0
11	13:55	S 6	16.09	Mostly Cloudy	SCT049 SCT065 BKN110	29.8	17.4			47%		30	76.53	0.0
11	13:35	Calm	16.09	Overcast	SCT049 SCT065 OVC095	28.8	17.1			49%		29	76.56	0.0
11	13:15	Calm	16.09	Mostly Cloudy	BKN049 BKN095 BKN120	28.4	17.7			52%		29	76.56	0.0
11	12:55	Calm	16.09	Mostly Cloudy	BKN045 BKN050 BKN075	28.5	17.7	29.6	19	52%		29	76.56	0.0
11	12:35	Calm	16.09	Overcast	BKN045 OVC050	29.5	17.2			48%		30	76.56	0.0
11	12:15	Calm	16.09	Partly Cloudy	SCT045	29.4	17.4			48%		30	76.56	0.0
11	11:55	Calm	16.09	Partly Cloudy	SCT043 SCT055 SCT100	27.9	17.3			53%		29	76.56	0.0
11	11:35	N 6	16.09	Mostly Cloudy	BKN041	28.3	17.4			52%		29	76.58	0.0
11	11:15	Calm	16.09	Partly Cloudy	SCT037	27.1	17.6			56%		28	76.58	0.0
11	10:55	Calm	16.09	Partly Cloudy	SCT037	27.4	17.3			54%		28	76.56	0.0
11	10:35	N 6	16.09	Fair	CLR	28	17.5			53%		29	76.56	0.0
11	10:15	Calm	16.09	Fair	CLR	27.7	17.4			53%		28	76.56	0.0
11	09:55	Calm	16.09	Fair	CLR	27.3	17.1			54%		28	76.56	0.0
11	09:35	Calm	16.09	Fair	CLR	27.2	16.6			52%		28	76.56	0.0
11	09:15	Calm	16.09	Fair	CLR	26.9	16			51%		27	76.53	0.0
11	08:55	Calm	16.09	Fair	CLR	26.5	16.4			54%		27	76.53	0.0
11	08:35	Calm	16.09	Fair	CLR	25.3	17.6			62%		26	76.53	0.0
11	08:15	Calm	16.09	Fair	CLR	24.6	18.2			68%		26	76.53	0.0
11	07:55	Calm	16.09	Fair	CLR	23	18.3			75%			76.5	0.0
11	07:35	Calm	16.09	Fair	CLR	21.7	18.6			83%			76.5	0.0
11	07:15	Calm	16.09	Fair	CLR	20.3	18			87%			76.5	0.0
11	06:55	Calm	16.09	Fair	CLR	19	17.5	19.2	16.3	91%			76.5	0.0
11	06:35	Calm	16.09	Fair	CLR	18.2	17			93%			76.48	0.0
11	06:15	Calm	16.09	Partly Cloudy	SCT055	17.3	16.5			95%			76.48	0.0
11	05:55	Calm	16.09	Mostly Cloudy	BKN055	16.5	15.7			95%			76.45	0.0
11	05:35	Calm	16.09	Fair	CLR	16.8	16			95%			76.43	0.0
11	05:15	Calm	16.09	Fair	CLR	16.5	15.6			94%			76.4	0.0
11	04:55	Calm	16.09	Fair	CLR	16.6	15.6			94%			76.38	0.0
11	04:35	Calm	16.09	Fair	CLR	17.1	16.2			94%			76.38	0.0
11	04:15	Calm	16.09	Fair	CLR	17	16.1			94%			76.35	0.0
11	03:55	Calm	16.09	Fair	CLR	17	16.1			94%			76.35	0.0
11	03:35	Calm	16.09	Fair	CLR	17.5	16.3			93%			76.35	0.0
11	03:15	Calm	16.09	Fair	CLR	17.8	16.8			94%			76.35	0.0
11	02:55	Calm	16.09	Fair	CLR	18	17			94%			76.35	0.0
11	02:35	Calm	16.09	Fair	CLR	17.5	16.5			94%			76.35	0.0
11	02:15	Calm	16.09	Fair	CLR	17.8	16.6			93%			76.35	0.0
11	01:55	Calm	16.09	Fair	CLR	18.5	17.2			92%			76.35	0.0
11	01:35	Calm	16.09	Fair	CLR	18.7	17.5			93%			76.35	0.0
11	01:15	Calm	16.09	Fair	CLR	18.6	17.3			92%			76.35	0.0
11	00:55	Calm	16.09	Fair	CLR	19.2	17.7	27	19.1	91%			76.35	0.0
11	00:35	Calm	16.09	Fair	CLR	19.3	17.5			89%			76.35	0.0
11	00:15	Calm	16.09	Fair	CLR	20	18.4			91%			76.35	0.0
10	23:55	Calm	11.27	Fair	CLR	19.5	18.3			93%			76.35	0.0
10	23:35	Calm	16.09	Fair	CLR	19.6	17.8			89%			76.33	0.0
10	23:15	Calm	16.09	Fair	CLR	20.2	17.9			87%			76.33	0.0
10	22:55	Calm	16.09	Fair	CLR	20.8	18.7			88%			76.33	0.0
10	22:35	Calm	16.09	Fair	CLR	21.2	18.6			85%			76.33	0.0
10	22:15	Calm	16.09	Fair	CLR	21.6	18.8			84%			76.3	0.0
10	21:55	Calm	16.09	Fair	CLR	21.6	18.5			83%			76.3	0.0
10	21:35	Calm	16.09	Fair	CLR	22.8	18.9			79%			76.28	0.0
10	21:15	Calm	16.09	Fair	CLR	23.1	19			78%			76.25	0.0
10	20:55	SE 6	16.09	Fair	CLR	24.1	18			69%		25	76.23	0.0
10	20:30	Calm	16.09	Mostly Cloudy	SCT055 BKN070	24.9	19			70%		26	76.23	0.0
10	20:15	E 6	16.09	Mostly Cloudy	SCT060 BKN065	25.6	18.5			65%		27	76.2	0.0
10	19:35	SE 6	16.09	Mostly Cloudy	SCT055 BKN075	26.2	17.8			60%		27	76.17	0.0
10	19:15	E 6	16.09	Overcast	BKN055 OVC075	26.7	17			55%		27	76.17	0.0
10	18:55	E 11	16.09	Overcast	OVC055	27.1	17.2	29.7	26.9	55%		28	76.17	0.0
10	18:35	SE 7	16.09	Mostly Cloudy	BKN055	27.7	16.3			50%		28	76.15	0.0
10	18:15	E 7	16.09	Mostly Cloudy	BKN055	28	16.3			49%		28	76.15	0.0
10	17:55	SE 7	16.09	Overcast	OVC055	28.7	16			46%		29	76.15	0.0
10	17:35	SE 6	16.09	Mostly Cloudy	BKN065	28.4	15.8			46%		29	76.15	0.0
10	17:15	Calm	16.09	Mostly Cloudy	BKN060	28.9	15			43%		29	76.15	0.0
10	16:55	SE 7	16.09	Mostly Cloudy	BKN060	28.5	15.6			46%		29	76.15	0.0
10	16:35	Calm	16.09	Partly Cloudy	SCT060	29.4	15			42%		29	76.15	0.0
10	16:15	Calm	16.09	Fair	CLR	29.7	15			41%		29	76.15	0.0
10	15:55	Calm	16.09	Partly Cloudy	SCT060	28	14.3			43%		28	76.15	0.0
10	15:35	E 9	16.09	Partly Cloudy	SCT060	29.3	15			42%		29	76.15	0.0
10	15:15	E 7	16.09	Partly Cloudy	SCT060	29.5	15.1			42%		29	76.15	0.0
10	14:55	S 9	16.09	Partly Cloudy	SCT055	28.8	14.7			42%		29	76.17	0.0
10	14:15	SE 6	16.09	Mostly Cloudy	BKN047 BKN060	28.3	15.2			45%		28	76.17	0.0
10	13:55	S 7	16.09	Mostly Cloudy	SCT047 BKN060	28.3	16.3			48%		29	76.17	0.0
10	13:35	E 11	16.09	Mostly Cloudy	SCT041 SCT050 BKN060	27.1	16.7			53%		28	76.2	0.0
10	13:15	Calm	16.09	Mostly Cloudy	SCT043 SCT050 BKN060	27.3	16.6			52%		28	76.17	0.0
10	12:55	E 7	16.09	Fair	CLR	27.5	17.2	27.5	18.5	53%		28	76.17	0.0
10	12:35	SE 6	16.09	Fair	CLR	27	16.4			52%		28	76.17	0.0
10	12:15	SE 7	16.09	Fair	CLR	26.4	15.5			51%		27	76.2	0.0
10	11:55	E 11	16.09	Fair	CLR	26.8	16.9			55%		28	76.2	0.0
10	11:35	E 9	16.09	Fair	CLR	26.2	17.2			58%		27	76.2	0.0
10	11:15	NE 9	16.09	Fair	CLR	26.1	17			57%		27	76.2	0.0
10	10:55	SE 7	16.09	Fair	CLR	25.5	17.6			62%		26	76.17	0.0
10	10:35	SE 11	16.09	Fair	CLR	25.3	17.9			64%		26	76.17	0.0
10	09:55	SE 9	16.09	Partly Cloudy	SCT016	24.5	18.7			70%		25	76.17	0.0
10	09:15	E 9	16.09	Fair	CLR	23.4	18.6			75%			76.2	0.0
10	08:55	E 11	16.09	Fair	CLR	23	18.6			76%			76.2	0.0
10	08:35	E 11	16.09	Fair	CLR	22.5	18.8			80%			76.17	0.0
10	08:15	E 9	16.09	Fair	CLR	21.8	19.1			85%			76.15	0.0
10	07:55	E 7	16.09	Fair	CLR	21.2	19.7			91%			76.15	0.0
10	07:35	E 6	16.09	Fair	CLR	20.1	19.5			96%			76.15	0.0
10	07:15	E 6	11.27	Fair	CLR	19.3	18.9			98%			76.15	0.0
10	06:55	NE 6	8.05	Fog/Mist	CLR	18.5	18.1	18.8	16	98%			76.15	0.0
10	06:35	NE 6	16.09	Fair	CLR	17.2	16.9			98%			76.15	0.0
10	06:15	Calm	11.27	Fair	CLR	16.5	16.3			99%			76.17	0.0
10	05:55	Calm	11.27	Fair	CLR	16.3	16.1			99%			76.1	0.0
10	05:35	Calm	8.05	Fog/Mist	CLR	16.1	15.8			98%			76.07	0.0
10	05:15	Calm	11.27	Fair	CLR	16.2	16			99%			76.05	0.0
10	04:55	Calm	16.09	Fair	CLR	16.2	15.9			98%			76.07	0.0
10	04:35	Calm	16.09	Fair	CLR	17	16.7			98%			76.05	0.0
10	04:15	Calm	16.09	Partly Cloudy	SCT002	17.5	17.3			99%			76.02	0.0
10	03:55	Calm	6.44	Fog/Mist	BKN002	17.1	16.8			98%			75.97	0.0
10	03:35	Calm	8.05	Fog/Mist	SCT002	16.6	16.4			99%			76	0.0
10	03:15	Calm	16.09	Fair	CLR	16.7	16.1			96%			76.02	0.0
10	02:55	Calm	16.09	Fair	CLR	17.6	17.1			97%			76.07	0.0
10	02:35	Calm	16.09	Fair	CLR	17.6	17.2			98%			76.05	0.0
10	02:15	Calm	16.09	Fair	CLR	17.3	16.8			97%			76.05	0.0
10	01:55	Calm	16.09	Fair	CLR	18.6	18.1			97%			76.02	0.0
10	01:35	Calm	16.09	Fair	CLR	18	17.6			98%			76.02	0.0
10	01:10	Calm	16.09	Fair	CLR	18.7	18.2			97%			76.05	0.0
10	00:55	Calm	16.09	Fair	CLR	18.8	18.2	26.5	18.7	96%			76.05	0.0
10	00:35	Calm	16.09	Fair	CLR	19	18.1			95%			76.05	0.0
10	00:15	Calm	16.09	Partly Cloudy	SCT070	19.8	18.9			95%			76.05	0.0
09	23:55	Calm	16.09	Partly Cloudy	SCT070	19.8	19			95%			76.05	0.0
09	23:35	Calm	16.09	Mostly Cloudy	BKN070	20	18.7			92%			76.02	0.0
09	23:15	Calm	16.09	Mostly Cloudy	BKN070	20.5	19.3			93%			76	0.0
09	22:55	Calm	16.09	Fair	CLR	20.5	19.3			93%			76	0.0
09	22:35	Calm	16.09	Fair	CLR	20.5	19.7			95%			75.97	0.0
09	22:15	Calm	16.09	Fair	CLR	20.5	19.6			95%			75.97	0.0
09	21:55	Calm	16.09	Fair	CLR	20.9	19.3			91%			76	0.0
09	21:35	Calm	16.09	Fair	CLR	22	19.5			86%			75.97	0.0
09	21:15	Calm	16.09	Fair	CLR	23	19.5			81%			75.95	0.0
09	20:55	Calm	16.09	Fair	CLR	23.2	19.5			80%			75.92	0.0
09	20:35	E 7	16.09	Fair	CLR	24	19.5			76%		25	75.92	0.0
09	19:55	E 7	16.09	Mostly Cloudy	BKN070	25.8	19.6			69%		27	75.92	0.0
09	19:35	E 9	16.09	Mostly Cloudy	SCT046 SCT060 BKN070	25.9	19.8			69%		27	75.92	0.0
09	19:15	E 6	16.09	Mostly Cloudy	SCT046 BKN060	26	19.5			67%		27	75.92	0.0
09	18:55	E 7	16.09	Partly Cloudy	SCT042 SCT050 SCT075	26.5	19.5	27.7	23.5	65%		28	75.92	0.0
09	18:35	E 7	16.09	Mostly Cloudy	SCT033 BKN042 BKN050	26.6	19.6			66%		28	75.92	0.0
09	18:15	E 6	16.09	Overcast	SCT034 BKN055 OVC100	27	19.2			62%		28	75.92	0.0
09	17:55	E 6	16.09	Overcast	SCT034 OVC060	26.5	19.1			64%		28	75.92	0.0
09	17:35	N 9	16.09	Mostly Cloudy	SCT034 BKN060	26.6	19.1			64%		28	75.92	0.0
09	17:10	N 7	16.09	Partly Cloudy	SCT049	27.7	18.6			58%		29	75.9	0.0
09	16:55	Calm	16.09	Partly Cloudy	SCT032	27.4	18.7			59%		29	75.9	0.0
09	16:35	N 9	16.09	Partly Cloudy	SCT030	27.2	18.7			60%		28	75.9	0.0
09	16:15	NE 6	16.09	Partly Cloudy	SCT028	27.3	19.3			62%		29	75.9	0.0
09	15:55	NE 13	16.09	Partly Cloudy	SCT026	27.1	19.5			63%		28	75.92	0.0
09	15:30	Calm	16.09	Fair	CLR	26.6	19.4			65%		28	75.92	0.0
09	15:15	N 7	16.09	Fair	CLR	26.5	19.9			67%		28	75.92	0.0
09	14:55	Calm	16.09	Partly Cloudy	SCT018	25.7	20			71%		27	75.95	0.0
09	14:35	NE 11	16.09	Partly Cloudy	SCT018	25.6	19.8			70%		27	75.97	0.0
09	14:15	NE 13	16.09	Mostly Cloudy	BKN018 BKN030 BKN075	25.2	19.8			72%		26	75.97	0.0
09	13:55	NE 13	16.09	Overcast	SCT016 BKN034 OVC075	25.1	20			73%		26	75.97	0.0
09	13:35	NE 11	16.09	Mostly Cloudy	SCT014 SCT055 BKN065	24.9	20			74%		26	76	0.0
09	13:15	NE 13	16.09	Mostly Cloudy	SCT010 BKN055	24.2	19.9			77%		25	76	0.0
09	12:55	NE 15	16.09	Overcast	BKN010 BKN029 OVC055	23.3	19.6	25.4	20	80%			76	0.0
09	12:35	NE 15	16.09	Overcast	BKN010 OVC029	22.5	19.5			83%			76.02	0.0
09	12:15	NE 15	16.09	Overcast	OVC010	22.3	19.3			83%			76.02	0.0
09	11:55	NE 15	16.09	Overcast	BKN010 OVC030	22.3	19.5			84%			76.02	0.0
09	11:35	NE 13	16.09	Overcast	SCT008 SCT015 OVC032	22.7	19.7			83%			76	0.0
09	11:15	NE 19	16.09	Overcast	BKN013 BKN020 OVC034	24.4	20.4			78%		25	75.97	0.0
09	10:55	N 9	16.09	Overcast	SCT013 BKN020 OVC032	25	20.5			76%		26	75.97	0.0
09	10:35	N 7	16.09	Overcast	SCT011 OVC032	24.2	20.2			78%		25	75.97	0.0
09	10:15	N 9	16.09	Overcast	SCT010 OVC034	23.8	20.5			82%			75.97	0.0
09	09:55	Calm	16.09	Overcast	OVC032	23.2	19.9			82%			75.97	0.0
09	09:35	W 6	16.09	Overcast	OVC032	22.9	20.1			84%			75.97	0.0
09	09:15	Calm	16.09	Overcast	SCT006 OVC030	22.6	20.3			87%			75.97	0.0
09	08:55	Calm	16.09	Overcast	SCT006 OVC030	22.1	20.2			89%			75.95	0.0
09	08:35	NW 6	16.09	Overcast	SCT006 OVC030	22.2	20.3			89%			75.97	0.0
09	08:15	Calm	16.09	Overcast	OVC032	22.1	20.4			90%			75.95	0.0
09	07:55	Calm	16.09	Overcast	SCT032 OVC095	21.6	20.4			93%			75.95	0.0
09	07:35	Calm	16.09	Mostly Cloudy	SCT030 BKN095	21.3	20.6			96%			75.92	0.0
09	07:15	Calm	16.09	Mostly Cloudy	SCT025 BKN030 BKN085	20.6	20.3			98%			75.92	0.0
09	06:55	Calm	16.09	Mostly Cloudy	SCT025 SCT070 BKN085	20.1	19.9	20.7	19.2	99%			75.92	0.0
09	06:35	Calm	16.09	Overcast	SCT070 OVC085	20	19.7			98%			75.92	0.0
09	06:15	Calm	11.27	Overcast	BKN060 OVC085	19.5	19.3			99%			75.9	0.0
09	05:55	Calm	8.05	Fog/Mist	SCT060 SCT085	19.6	19.5			99%			75.9	0.0
09	05:35	Calm	11.27	Partly Cloudy	SCT095	19.5	19.2			98%			75.9	0.0
09	05:15	Calm	11.27	Overcast	SCT060 OVC085	19.6	19.5			99%			75.9	0.0
09	04:55	Calm	16.09	Mostly Cloudy	BKN060 BKN085	19.7	19.6			99%			75.9	0.0
09	04:35	Calm	8.05	Fog/Mist	BKN060	19.6	19.4			99%			75.87	0.0
09	04:15	Calm	11.27	Mostly Cloudy	BKN060	20.1	19.9			99%			75.87	0.0
09	03:55	Calm	16.09	Overcast	OVC060	20.2	20			99%			75.9	0.0
09	03:35	Calm	11.27	Overcast	OVC060	20.4	20.1			98%			75.92	0.0
09	03:15	Calm	16.09	Overcast	BKN060 OVC075	20.5	20.2			98%			75.92	0.0
09	02:55	Calm	16.09	Overcast	SCT044 SCT060 OVC075	20.5	20.3			99%			75.95	0.0
09	02:35	Calm	16.09	Overcast	BKN035 BKN045 OVC055	20.7	20.5			99%			75.97	0.0
09	01:55	Calm	16.09	Overcast	BKN039 OVC048	20.6	20.4			99%			75.97	0.0
09	01:35	SW 6	16.09	Overcast	OVC046	20.6	20.5			99%			75.97	0.0
09	01:15	S 6	8.05	Fog/Mist	BKN043 OVC050	20.5	20.3			99%			75.97	0.0
09	00:55	Calm	6.44	Fog/Mist	SCT055	20.5	20.2	21.5	20.5	98%			75.97	0.0			0.18
09	00:35	Calm	11.27	Partly Cloudy	SCT030	20.6	20.5			99%			75.97	0.0
09	00:15	Calm	6.44	Fog/Mist	SCT030 SCT040 BKN050	20.5	20.3			99%			75.97	0.0
08	23:55	Calm	8.05	Fog/Mist	SCT003 SCT040 BKN080	20.7	20.5			99%			75.97	0.0
08	23:35	Calm	8.05	Fog/Mist	OVC080	21	20.7			98%			76	0.0
08	23:15	Calm	11.27	Overcast	SCT039 OVC080	21	20.7			98%			76.02	0.0
08	22:55	Calm	11.27	Overcast	SCT039 BKN080 OVC090	21	20.7			98%			76.02	0.0
08	22:35	Calm	11.27	Overcast	OVC080	20.8	20.6			99%			76.02	0.0
08	22:15	Calm	11.27	Mostly Cloudy	BKN080	20.8	20.6			99%			76.05	0.0
08	21:55	Calm	11.27	Partly Cloudy	SCT090 SCT110	20.9	20.5			98%			76.05	0.0		0.18
08	21:35	E 6	11.27	Mostly Cloudy	BKN095 BKN120	21	20.5			97%			76.02	0.0
08	21:15	SE 7	11.27	Overcast	SCT008 SCT075 OVC085	21	20.5			97%			76.02	0.0
08	20:55	Calm	16.09	Overcast	BKN008 OVC085	21.1	20.5			96%			76.07	0.0	0.03
08	20:35	NW 6	16.09	Overcast	SCT010 SCT065 OVC075	21	20.4			96%			76.07	0.0	0.03
08	20:15	Calm	16.09	Light Rain	BKN013 BKN028 OVC065	21.1	20.3			95%			76.05	0.0
08	19:55	W 6	16.09	Light Rain	SCT014 BKN020 OVC029	21.1	20.3			95%			76.05	0.0	0.15
08	19:35	SW 7	11.27	Rain	BKN022 BKN030 OVC042	21.2	20.2			94%			76.05	0.0	0.13
08	19:15	Calm	8.05	Rain	SCT035 SCT045 BKN090	21.5	20.1			92%			76.02	0.0	0.05
08	18:55	W 6	16.09	Light Rain	SCT041 SCT065 SCT075	21.5	19.7	29.5	21.3	90%			76.02	0.0	0.13		1.5
08	18:35	Calm	11.27	Light Rain	SCT040 SCT050 BKN065	21.5	19.7			90%			76.05	0.0	0.13
08	18:15	Calm	11.27	Rain	SCT041 BKN070 OVC080	21.6	20			91%			76.05	0.0	0.03
08	17:55	N 6	16.09	Light Rain	SCT031 BKN070 OVC080	21.8	20.2			91%			76.07	0.0	0.61
08	17:35	N 11 G 28	4.83	Heavy Rain	SCT013 BKN033 OVC085	22	19.8			87%			76.07	0.0	0.61
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)