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.
23	22:35	W 11	16.09	Fair	CLR	20.7	13.9			65%			76.23	0.0
23	22:15	E 9	16.09	Thunderstorm in Vicinity	CLR	20.5	13.2			63%			76.15	0.0
23	21:55	E 17 G 31	16.09	Fair	CLR	20.6	12			58%			76.12	0.0
23	21:35	SE 20 G 33	16.09	Fair	CLR	20.2	11.9			59%			76.12	0.0
23	21:15	S 9	16.09	Fair	CLR	20.3	11.5			57%			76.05	0.0
23	20:55	SW 20	16.09	Partly Cloudy	SCT050 SCT075 SCT085	21.4	10.6			50%			76.07	0.0
23	20:35	S 28 G 46	16.09	Thunderstorm in Vicinity	SCT050 BKN055 OVC065	23.6	9.4			41%			76.07	0.0
23	20:15	SW 26 G 37	16.09	Thunderstorm in Vicinity	SCT055 SCT065	26.1	14.4			49%		27	76.12	0.0
23	19:55	S 24	16.09	Fair	CLR	26.8	15.5			50%		27	76.02	0.0
23	19:35	S 19	16.09	Fair	CLR	27.3	15.5			49%		28	76.05	0.0
23	19:15	S 15	16.09	Fair	CLR	27.9	15.4			47%		28	76.02	0.0
23	18:55	S 11	16.09	Fair	CLR	28.6	14.6			42%		28	76	0.0
23	18:35	SE 9	16.09	Fair	CLR	28.7	14.4			42%		28	75.97	0.0
23	18:15	SE 9	16.09	Partly Cloudy	SCT060	29.3	14.8			41%		29	75.95	0.0
23	17:55	S 19	16.09	Partly Cloudy	SCT060	29.4	15			42%		29	75.97	0.0
23	17:35	SE 9	16.09	Partly Cloudy	SCT055	29.1	14.8			42%		29	75.95	0.0
23	17:15	S 9	16.09	Partly Cloudy	SCT055 SCT070	29.1	15.1			43%		29	75.97	0.0
23	16:55	S 6	16.09	Partly Cloudy	SCT055 SCT070	29	15.1			43%		29	76	0.0
23	16:35	SE 13	16.09	Partly Cloudy	SCT055 SCT070	29	15.2			43%		29	76.02	0.0
23	16:15	SE 13	16.09	Partly Cloudy	SCT055	28.8	15			43%		29	76.05	0.0
23	15:55	SE 9	16.09	Partly Cloudy	SCT055	28.8	15.1			43%		29	76.07	0.0
23	15:35	S 11	16.09	Fair	CLR	28.9	15			43%		29	76.07	0.0
23	15:15	S 17	16.09	Fair	CLR	28.6	14.7			43%		28	76.07	0.0
23	14:55	S 13	16.09	Fair	CLR	28.4	14.7			43%		28	76.07	0.0
23	14:35	SE 13	16.09	Partly Cloudy	SCT055	28.3	15.1			45%		28	76.07	0.0
23	14:15	SE 9	16.09	Fair	CLR	27.7	14.7			45%		28	76.1	0.0
23	13:55	SE 19	16.09	Fair	CLR	27.5	14.8			46%		28	76.12	0.0
23	13:35	E 13	16.09	Fair	CLR	27.2	15.5			49%		28	76.15	0.0
23	13:15	SE 15 G 26	16.09	Fair	CLR	26.7	14.7			48%		27	76.15	0.0
23	12:55	SE 13	16.09	Fair	CLR	26.2	15.2			51%		27	76.15	0.0
23	12:35	NE 17	16.09	Fair	CLR	25.6	14.7			51%		26	76.15	0.0
23	12:15	E 11	16.09	Fair	CLR	24.7	14.7			54%		26	76.15	0.0
23	11:55	E 11	16.09	Fair	CLR	24.1	14.4			55%		25	76.17	0.0
23	11:35	E 9	16.09	Fair	CLR	23.5	13.8			55%			76.2	0.0
23	11:15	E 7	16.09	Partly Cloudy	SCT034	22.8	14			58%			76.17	0.0
23	10:55	NE 9	16.09	Fair	CLR	22.2	14.1			60%			76.2	0.0
23	10:35	NE 11	16.09	Fair	CLR	21.7	13.6			60%			76.2	0.0
23	10:15	NE 13	16.09	Fair	CLR	21.2	13.5			62%			76.25	0.0
23	09:55	E 9	16.09	Fair	CLR	20.6	13.2			63%			76.25	0.0
23	09:35	E 13	16.09	Fair	CLR	20.1	12.7			63%			76.25	0.0
23	09:15	E 13	16.09	Fair	CLR	19.6	12.4			63%			76.25	0.0
23	08:55	E 13	16.09	Fair	CLR	18.9	12.4			66%			76.23	0.0
23	08:35	E 11	16.09	Fair	CLR	18	12.4			70%			76.2	0.0
23	08:15	E 11	16.09	Fair	CLR	17.1	13			77%			76.15	0.0
23	07:55	E 7	16.09	Fair	CLR	16.1	13.5			85%			76.15	0.0
23	07:35	NE 6	16.09	Fair	CLR	15.8	13.7			87%			76.1	0.0
23	07:15	N 7	16.09	Fair	CLR	15.6	14.4			93%			76.07	0.0
23	06:55	N 6	16.09	Fair	CLR	15.4	14.8			96%			76.07	0.0
23	06:35	N 9	16.09	Fair	CLR	15.6	13.1			85%			76.02	0.0
23	06:15	NE 9	16.09	Fair	CLR	16	12.4			79%			76.02	0.0
23	05:55	SE 9	16.09	Fair	CLR	16.4	12.3			77%			76.02	0.0
23	05:35	SE 15	16.09	Fair	CLR	15.6	13			85%			76.02	0.0
23	05:15	E 11	16.09	Fair	CLR	15.8	12.8			82%			76.02	0.0
23	04:55	E 9	16.09	Fair	CLR	16.3	12.6			79%			76	0.0
23	04:35	SE 9	16.09	Partly Cloudy	SCT060	16	13.3			84%			76	0.0
23	04:15	SE 11	16.09	Partly Cloudy	SCT060	16.2	13.3			83%			76.05	0.0
23	03:55	SE 7	16.09	Fair	CLR	16.1	14			87%			76.07	0.0
23	03:35	SE 9	16.09	Fair	CLR	16	13.6			86%			76.07	0.0
23	03:15	E 7	16.09	Fair	CLR	16.4	13			80%			76.07	0.0
23	02:55	NE 7	16.09	Fair	CLR	16.5	13			80%			76.07	0.0
23	02:35	N 6	16.09	Fair	CLR	16.6	13			79%			76.07	0.0
23	02:15	E 6	16.09	Fair	CLR	16.6	12.8			78%			76.05	0.0
23	01:55	Calm	16.09	Partly Cloudy	SCT065	17.4	12.3			72%			76.05	0.0
23	01:35	Calm	16.09	Partly Cloudy	SCT065	17.4	12.3			72%			76.07	0.0
23	01:15	SE 7	16.09	Partly Cloudy	SCT075	18.5	11.8			65%			76.07	0.0
23	00:55	E 15	16.09	Fair	CLR	19.5	11.1			58%			76.05	0.0
23	00:35	NE 20	16.09	Fair	CLR	19.6	11.1			58%			76.02	0.0
23	00:15	NE 20	16.09	Fair	CLR	19.2	11.3			60%			76.02	0.0
22	23:55	NE 15	16.09	Fair	CLR	18.9	11.6			63%			75.97	0.0
22	23:35	E 13	16.09	Fair	CLR	19.2	11.5			61%			75.97	0.0
22	23:15	E 11	16.09	Fair	CLR	18.9	12.5			67%			75.97	0.0
22	22:55	NE 15	16.09	Fair	CLR	18.3	14.2			77%			75.97	0.0
22	22:35	N 17	16.09	Fair	CLR	18	15.1			83%			75.97	0.0
22	22:15	N 15	16.09	Fair	CLR	17.5	15.1			86%			75.95	0.0
22	21:55	SE 9	16.09	Fair	CLR	17.6	14.2			81%			75.84	0.0
22	21:35	SE 13	16.09	Fair	CLR	17.4	14.4			83%			75.77	0.0
22	21:15	E 15	16.09	Thunderstorm in Vicinity	CLR	17.3	14.6			84%			75.77	0.0
22	20:55	E 11	16.09	Fair	CLR	17.2	14.1			82%			75.79	0.0
22	20:35	NE 19	16.09	Fair	CLR	16.4	14.9			91%			75.79	0.0
22	20:15	E 17	16.09	Partly Cloudy	SCT120	15.4	15			97%			75.79	0.0
22	19:55	NE 11	16.09	Thunderstorm Light Rain	SCT019 SCT027 SCT042	14.9	14.5			97%			75.79	0.0	1.24
22	19:35	E 13	1.21	Thunderstorm Heavy Rain	BKN019 OVC033	18.2	12.7			70%			75.82	0.0	1.04
22	19:15	W 31 G 41	16.09	Thunderstorm Heavy Rain	SCT060 BKN080 OVC100	24.7	9.1			37%		25	75.79	0.0	0.03
22	18:55	NE 19 G 33	16.09	Thunderstorm	SCT060 SCT070 BKN080	28.3	10.5			33%		27	75.67	0.0
22	18:35	E 9	16.09	Fair	CLR	29.5	11.9			34%		29	75.62	0.0
22	18:15	SE 7	16.09	Fair	CLR	29.9	9.6			28%		29	75.67	0.0
22	17:55	SE 13	16.09	Fair	CLR	29.9	10.2			29%		29	75.64	0.0
22	17:35	SE 13	16.09	Fair	CLR	29.9	10.5			30%		29	75.62	0.0
22	17:15	SE 15	16.09	Fair	CLR	30.2	10.8			30%		29	75.64	0.0
22	16:55	S 13	16.09	Fair	CLR	30.6	11			30%		29	75.67	0.0
22	16:35	SE 13	16.09	Fair	CLR	30.3	11			30%		29	75.69	0.0
22	16:15	Calm	16.09	Fair	CLR	29.8	11.6			32%		29	75.72	0.0
22	15:55	E 11	16.09	Fair	CLR	29.5	12.1			34%		29	75.74	0.0
22	15:35	Calm	16.09	Fair	CLR	28.9	12			35%		28	75.77	0.0
22	15:15	E 6	16.09	Fair	CLR	28.5	12.7			38%		28	75.79	0.0
22	14:55	SE 7	16.09	Fair	CLR	28.3	13.2			39%		28	75.79	0.0
22	14:35	Calm	16.09	Fair	CLR	27.6	13.7			42%		27	75.79	0.0
22	14:15	SW 7	16.09	Fair	CLR	27.1	14.3			45%		27	75.79	0.0
22	13:55	S 9	16.09	Fair	CLR	26.7	14.7			48%		27	75.82	0.0
22	13:35	SW 9	16.09	Fair	CLR	26	14.6			49%		27	75.84	0.0
22	13:15	Calm	16.09	Fair	CLR	25.4	15.1			53%		26	75.84	0.0
22	12:55	S 6	16.09	Fair	CLR	24.8	15.4			56%		26	75.87	0.0
22	12:35	SW 11	16.09	Fair	CLR	24.1	15.2			58%		25	75.87	0.0
22	12:15	S 9	16.09	Fair	CLR	23.3	15.8			63%			75.9	0.0
22	11:55	SW 7	16.09	Fair	CLR	22.5	15.6			65%			75.9	0.0
22	11:35	S 11	16.09	Fair	CLR	21.7	15.8			69%			75.9	0.0
22	11:15	S 9	16.09	Fair	CLR	21.1	15.8			72%			75.9	0.0
22	10:55	SW 6	16.09	Fair	CLR	20.3	16.2			77%			75.92	0.0
22	10:35	SW 7	16.09	Fair	CLR	19.4	16.5			83%			75.9	0.0
22	10:15	W 9	16.09	Partly Cloudy	SCT011	18.7	16.6			88%			75.9	0.0
22	09:55	S 7	16.09	Partly Cloudy	SCT011	17.8	16.8			94%			75.92	0.0
22	09:35	SW 11	16.09	Partly Cloudy	SCT007	17	16.6			98%			75.92	0.0
22	09:15	SW 11	16.09	Mostly Cloudy	BKN007	16.7	16.3			98%			75.92	0.0
22	08:55	SW 13	16.09	Mostly Cloudy	BKN007	16.6	16.2			98%			75.92	0.0
22	08:35	SW 19	16.09	Partly Cloudy	SCT007	16.7	16.3			98%			75.9	0.0
22	08:15	S 11	16.09	Fair	CLR	16.3	15.9			98%			75.9	0.0
22	07:55	S 13	16.09	Fair	CLR	15.6	15.2			97%			75.87	0.0
22	07:35	S 9	16.09	Fair	CLR	15.1	14.8			98%			75.9	0.0
22	07:15	S 7	11.27	Fair	CLR	15	14.5			97%			75.87	0.0
22	06:55	S 7	8.05	Fog/Mist	CLR	14.9	14.5			97%			75.87	0.0
22	06:35	S 7	8.05	Fog/Mist	CLR	15.1	14.7			97%			75.87	0.0
22	06:15	SE 7	8.05	Fog/Mist	SCT004	15.4	15			97%			75.87	0.0
22	05:55	SE 7	8.05	Fog/Mist	BKN004	15.5	15			97%			75.9	0.0
22	05:35	E 9	11.27	Fair	CLR	15.6	15.1			97%			75.9	0.0
22	05:15	E 7	16.09	Partly Cloudy	SCT004	15.8	15.4			97%			75.9	0.0
22	04:55	SE 9	16.09	Mostly Cloudy	BKN006	16	15.6			98%			75.9	0.0
22	04:35	SE 11	16.09	Overcast	OVC006	16.2	15.8			98%			75.92	0.0
22	04:15	S 11	16.09	Overcast	OVC006	16.2	15.8			98%			75.92	0.0
22	03:55	S 13	16.09	Overcast	OVC006	16.2	15.8			98%			75.95	0.0
22	03:35	S 17 G 28	16.09	Overcast	BKN008 OVC045	16	15.6			98%			75.97	0.0
22	03:15	S 15	16.09	Overcast	SCT006 BKN045 OVC100	15.7	15.3			97%			75.95	0.0
22	02:55	S 7	16.09	Overcast	BKN004 OVC110	15.7	15.4			98%			75.97	0.0
22	02:35	SE 9	16.09	Partly Cloudy	SCT110	15.8	15.4			97%			75.95	0.0
22	02:15	S 9	16.09	Fair	CLR	15.9	15.5			97%			75.95	0.0
22	01:55	S 9	16.09	Fair	CLR	16	15.6			98%			75.97	0.0
22	01:35	SE 13	16.09	Partly Cloudy	SCT008	16.1	15.7			98%			75.97	0.0
22	01:15	S 15	8.05	Fog/Mist	BKN008	16.2	15.9			98%			75.97	0.0
22	00:55	SE 9	8.05	Fog/Mist	SCT008	16	15.6			98%			75.97	0.0
22	00:35	E 7	8.05	Fog/Mist	SCT008	16.2	15.8			98%			75.95	0.0
22	00:15	SE 7	11.27	Fair	CLR	16.6	16.2			98%			75.97	0.0
21	23:55	E 11	16.09	Fair	CLR	16.8	16.5			98%			75.97	0.0
21	23:35	E 13	16.09	Fair	CLR	17	16.6			98%			75.97	0.0
21	23:15	E 9	16.09	Mostly Cloudy	SCT015 BKN020	17.3	16.9			98%			76.02	0.0
21	22:55	E 6	16.09	Mostly Cloudy	SCT015 BKN020	17.3	16.9			98%			76.02	0.0
21	22:35	E 11	16.09	Fair	CLR	17.5	17			97%			76	0.0
21	22:15	E 9	16.09	Fair	CLR	17.6	17.1			97%			76.02	0.0
21	21:55	E 9	16.09	Fair	CLR	17.7	17.3			98%			76.02	0.0
21	21:35	E 9	16.09	Fair	CLR	17.9	17.5			98%			76	0.0
21	21:15	E 7	16.09	Fair	CLR	18.3	17.8			97%			76.02	0.0
21	20:55	E 7	16.09	Fair	CLR	18.8	17.9			95%			76.02	0.0
21	20:35	E 11	16.09	Fair	CLR	19.3	17.1			87%			76	0.0
21	20:15	E 11	16.09	Fair	CLR	19.5	17			86%			75.97	0.0
21	19:55	E 15	16.09	Partly Cloudy	SCT017	19.6	16.9			85%			75.97	0.0
21	19:35	E 11	16.09	Mostly Cloudy	BKN015	19.6	17.1			86%			75.97	0.0
21	19:15	SE 11	16.09	Mostly Cloudy	BKN015	19.6	17			85%			75.95	0.0
21	18:55	E 13	16.09	Partly Cloudy	SCT015	19.5	16.9			85%			75.92	0.0
21	18:35	SE 15	16.09	Partly Cloudy	SCT015	19.5	16.6			83%			75.92	0.0
21	18:15	SE 9	16.09	Partly Cloudy	SCT013	19.2	16.9			87%			75.92	0.0
21	17:55	SE 13	16.09	Partly Cloudy	SCT011	19	17.1			89%			75.97	0.0
21	17:35	E 11	16.09	Mostly Cloudy	BKN011	18.6	17.6			94%			76	0.0
21	17:15	SE 6	16.09	Mostly Cloudy	BKN011	18.3	17.5			95%			76.05	0.0
21	16:55	SE 6	16.09	Mostly Cloudy	BKN011	17.9	17.4			97%			76.05	0.0
21	16:35	Calm	16.09	Partly Cloudy	SCT011	17.7	17.3			98%			76.05	0.0
21	16:15	S 6	16.09	Partly Cloudy	SCT011	17.6	17.2			98%			76.1	0.0
21	15:55	Calm	16.09	Partly Cloudy	SCT010 SCT120	17.6	17.2			98%			76.12	0.0
21	15:35	S 9	16.09	Mostly Cloudy	BKN008 BKN120	17.6	17.2			98%			76.15	0.0
21	15:15	S 9	16.09	Mostly Cloudy	BKN008 BKN023 BKN050	17.5	17.1			98%			76.15	0.0
21	14:55	SE 17	16.09	Light Drizzle	SCT005 BKN050 OVC085	17.5	17			97%			76.15	0.0
21	14:35	S 17	16.09	Overcast	OVC005	17.3	16.9			98%			76.23	0.0
21	14:15	SE 11	16.09	Overcast	OVC005	17.1	16.7			98%			76.25	0.0
21	13:55	SE 11	16.09	Overcast	OVC005	16.9	16.5			98%			76.28	0.0
21	13:35	SE 9	16.09	Overcast	OVC005	16.7	16.3			98%			76.3	0.0
21	13:15	E 15	16.09	Light Rain	BKN007 BKN043 OVC100	16.6	16.2			98%			76.33	0.0
21	12:55	E 13	16.09	Thunderstorm in Vicinity	SCT043 SCT050 OVC100	16.6	16.2			98%			76.33	0.0
21	12:35	E 9	16.09	Thunderstorm in Vicinity	OVC100	16.8	16.4			98%			76.33	0.0
21	12:15	E 11	16.09	Thunderstorm in Vicinity	SCT033 SCT050 OVC100	16.4	15.9			97%			76.3	0.0
21	11:55	SE 17	16.09	Thunderstorm Light Rain in Vicinity	SCT031 BKN049 OVC090	15.8	15.5			98%			76.3	0.0	0.08
21	11:35	E 11	16.09	Light Rain	OVC090	15.8	14.8			94%			76.3	0.0	0.08
21	11:15	E 15	11.27	Thunderstorm Rain in Vicinity	OVC090	16.2	15.4			95%			76.3	0.0	0.05
21	10:55	E 19	8.05	Thunderstorm Rain in Vicinity	SCT013 BKN060 OVC090	16.3	15.9			98%			76.33	0.0	0.18
21	10:35	E 13	11.27	Thunderstorm Drizzle	SCT007 BKN012 OVC065	16	15.5			97%			76.38	0.0	0.08
21	10:15	E 13	6.44	Thunderstorm Rain	SCT004 BKN018 OVC070	15.9	15.5			97%			76.38	0.0	0.08
21	09:55	SW 11	4.83	Thunderstorm Rain	OVC004	15.8	15.5			98%			76.38	0.0	0.2
21	09:35	E 11	4.02	Thunderstorm Rain	OVC004	15.9	15.5			97%			76.33	0.0	0.13
21	09:15	E 15	6.44	Thunderstorm Light Rain	BKN004 OVC010	15.9	15.5			97%			76.3	0.0
21	08:55	E 11	6.44	Thunderstorm Fog/Mist	BKN002 OVC010	15.7	15.3			97%			76.28	0.0
21	08:35	E 13	2.82	Thunderstorm in Vicinity Fog/Mist	OVC002	15.6	15.1			97%			76.33	0.0
21	08:15	E 13	4.02	Thunderstorm Light Rain in Vicinity	OVC002	15.5	15			97%			76.33	0.0
21	07:55	NE 13	0.80	Thunderstorm in Vicinity Fog	OVC002	15.4	15			97%			76.33	0.0
21	07:35	NE 9	3.22	Fog/Mist	OVC002	15.2	14.9			98%			76.35	0.0
21	07:15	NE 9	2.01	Fog/Mist	OVC002	15.2	14.8			97%			76.33	0.0
21	06:55	NE 9	0.80	Fog	OVC002	15.1	14.7			97%			76.3	0.0
21	06:35	NE 11	0.80	Fog	OVC002	15.1	14.7			97%			76.3	0.0
21	06:15	NE 7	2.01	Fog/Mist	OVC002	15.1	14.7			97%			76.3	0.0
21	05:55	NE 6	4.83	Fog/Mist	OVC002	15.1	14.7			97%			76.28	0.0
21	05:35	NE 7	6.44	Fog/Mist	SCT002 SCT050 BKN060	15.3	15			98%			76.25	0.0
21	05:15	NE 7	8.05	Fog/Mist	SCT034 SCT040 BKN046	15.3	15			98%			76.28	0.0
21	04:55	Calm	11.27	Overcast	SCT026 BKN043 OVC075	15.3	14.9			97%			76.33	0.0
21	04:35	NE 9	11.27	Overcast	BKN013 BKN027 OVC044	15.3	15			98%			76.33	0.0
21	04:15	NE 6	8.05	Fog/Mist	OVC013	15.2	14.9			98%			76.35	0.0
21	03:55	N 6	8.05	Fog/Mist	OVC013	15	14.5			97%			76.33	0.0
21	03:35	N 7	8.05	Fog/Mist	BKN013	14.7	14.2			97%			76.3	0.0
21	03:15	Calm	16.09	Mostly Cloudy	BKN011	14.8	14.4			97%			76.33	0.0
21	02:55	Calm	16.09	Partly Cloudy	SCT013	15.1	14.7			97%			76.3	0.0
21	02:35	SE 6	16.09	Fair	CLR	15.1	14.7			97%			76.33	0.0
21	02:15	Calm	11.27	Fair	CLR	15.4	14.9			97%			76.33	0.0
21	01:55	Calm	16.09	Fair	CLR	15.5	15.1			97%			76.33	0.0
21	01:35	Calm	16.09	Fair	CLR	15.5	15.1			97%			76.3	0.0
21	01:15	Calm	16.09	Fair	CLR	15.8	15.4			97%			76.3	0.0
21	00:55	NE 7	16.09	Fair	CLR	15.8	15.4			97%			76.28	0.0
21	00:35	NE 6	16.09	Fair	CLR	16	15.5			97%			76.35	0.0
21	00:15	Calm	16.09	Partly Cloudy	SCT100	16	15.5			97%			76.4	0.0
20	23:55	Calm	16.09	Fair	CLR	15.9	15.5			97%			76.43	0.0
20	23:35	Calm	16.09	Fair	CLR	16	15.6			98%			76.4	0.0
20	23:15	NE 9	16.09	Partly Cloudy	SCT046	16.1	15.7			98%			76.33	0.0
20	22:55	Calm	16.09	Partly Cloudy	SCT046	16	15.6			98%			76.33	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)