ALPINE, TX - COOP South Central station 410174

410174 - ALPINE, Texas

Latitude
30° 22´N

Longitude
103° 40´W

Elevation
1381 meters

COOP South Central

10 nearest COOP South Central stations

15 mi	SSW :	ONE O ONE RANCH, TX
15 mi	WSW :	MARFA, TX
21 mi	NW :	FORT DAVIS, TX
21 mi	WSW :	MARFA # 2, TX
25 mi	SSW :	RANCHO ESCONDIDO, TX
26 mi	WNW :	MERRILL RANCH, TX
27 mi	WNW :	SMITH BROTHERS RANCH, TX
28 mi	ESE :	MARATHON, TX
28 mi	WNW :	MARFA CHARCO M R, TX
29 mi	NW :	MOUNT LOCKE, TX

Weather variables Help
Click a weather variable name to jump down to those statistics.

	Total observations	%	NDJFM observations	%
TMAX	17471	95.7%	7275	96.2%
TMIN	17446	95.5%	7257	96.0%
PRCP	17469	95.7%	7249	95.8%
SNOW	17365	95.1%	7012	92.7%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7275 by year	65.0°F	10.7°F		overall	NAM	PNA	CTI

TMAX and NAM Help scatterplot	days by month	mean NAM index	extreme high NAM days	extreme low NAM days	ratio of extreme high:low NAM days
Extreme high events Days with TMAX>=78°F	660	0.13	118	86	1.4*	map	table
Extreme low events Days with TMAX<=47°F	501	-0.10	78	89	1.1	map	table

TMAX and PNA Help scatterplot	days by month	mean PNA index	extreme high PNA days	extreme low PNA days	ratio of extreme high:low PNA days
Extreme high events Days with TMAX>=78°F	660	-0.46	52	149	2.9*	map	table
Extreme low events Days with TMAX<=47°F	501	0.26	104	64	1.6*	map	table

TMAX and CTI Help	days by month	high CTI days (moderate to strong El Niño winters)	low CTI days (moderate to strong La Niña winters)	ratio of high:low CTI (El Niño:La Niña days)
Extreme high events Days with TMAX>=78°F	660	55	174	3.2*	map	table
Extreme low events Days with TMAX<=47°F	501	88	62	1.4*	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7257 by year	35.6°F	10.2°F		overall	NAM	PNA	CTI

TMIN and NAM Help scatterplot	days by month	mean NAM index	extreme high NAM days	extreme low NAM days	ratio of extreme high:low NAM days
Extreme low events Days with TMIN<=20°F	511	-0.15	80	105	1.3	map	table
Extreme high events Days with TMIN>=51°F	491	0.12	92	65	1.4*	map	table

TMIN and PNA Help scatterplot	days by month	mean PNA index	extreme high PNA days	extreme low PNA days	ratio of extreme high:low PNA days
Extreme low events Days with TMIN<=20°F	511	0.19	109	65	1.7*	map	table
Extreme high events Days with TMIN>=51°F	491	-0.64	22	132	6.0*	map	table

TMIN and CTI Help	days by month	high CTI days (moderate to strong El Niño winters)	low CTI days (moderate to strong La Niña winters)	ratio of high:low CTI (El Niño:La Niña days)
Extreme low events Days with TMIN<=20°F	511	58	82	1.4*	map	table
Extreme high events Days with TMIN>=51°F	491	48	133	2.8*	map	table

TMIN under 2 index extremes Help

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PRCP (total liquid water equivalent) Help top of page

PRCP	observations	mean		Distribution	during extreme days of
NDJFM	7249 by year	0.02"		overall	NAM	PNA	CTI

PRCP and NAM Help scatterplot	days by month	mean	mean NAM index	extreme high NAM days	extreme low NAM days	ratio of extreme high:low NAM days
Observed events Days with PRCP>0.00"	725	0.16"	0.01	137	126	1.1	map	table
Extreme events Days with PRCP>0.25"	143	0.52"	0.14	27	19	1.4	map	table

PRCP and PNA Help scatterplot	days by month	mean	mean PNA index	extreme high PNA days	extreme low PNA days	ratio of extreme high:low PNA days
Observed events Days with PRCP>0.00"	725	0.16"	0.07	118	105	1.1	map	table
Extreme events Days with PRCP>0.25"	143	0.52"	0.13	27	19	1.4	map	table

PRCP and CTI Help	days by month	mean	high CTI days (moderate to strong El Niño winters)	low CTI days (moderate to strong La Niña winters)	ratio of high:low CTI (El Niño:La Niña days)
Observed events Days with PRCP>0.00"	725	0.16"	165	65	2.5*	map	table
Extreme events Days with PRCP>0.25"	143	0.52"	36	12	3.0*	map	table

PRCP under 2 index extremes Help

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SNOW Help top of page

SNOW	observations	mean		Distribution	during extreme days of
NDJFM	7012 by year	0.01"		overall	NAM	PNA	CTI

SNOW and NAM Help scatterplot	days by month	mean	mean NAM index	extreme high NAM days	extreme low NAM days	ratio of extreme high:low NAM days
Observed events Days with SNOW>0.0"	48	2.05"	-0.23	4	10	2.5	map	table
Extreme events Days with SNOW>4.0"	6	6.50"	0.30	1	0	Inf	map	table

SNOW and PNA Help scatterplot	days by month	mean	mean PNA index	extreme high PNA days	extreme low PNA days	ratio of extreme high:low PNA days
Observed events Days with SNOW>0.0"	48	2.05"	0.37	12	4	3.0	map	table
Extreme events Days with SNOW>4.0"	6	6.50"	0.90	2	0	Inf	map	table

SNOW and CTI Help	days by month	mean	high CTI days (moderate to strong El Niño winters)	low CTI days (moderate to strong La Niña winters)	ratio of high:low CTI (El Niño:La Niña days)
Observed events Days with SNOW>0.0"	48	2.05"	7	12	1.7	map	table
Extreme events Days with SNOW>4.0"	6	6.50"	2	1	2.0	map	table

SNOW under 2 index extremes Help

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