SAN MARCOS, TX - COOP South Central station 417983

417983 - SAN MARCOS, Texas

Latitude
29° 51´N

Longitude
97° 57´W

Elevation
187 meters

COOP South Central

10 nearest COOP South Central stations

11 mi	NW :	WIMBERLEY 2, TX
11 mi	NNW :	WIMBERLEY 2 ESE, TX
13 mi	SW :	NEW BRAUNFELS, TX
15 mi	E :	LOCKHART 2 SW, TX
15 mi	W :	CANYON DAM, TX
15 mi	E :	LOCKHART, TX
15 mi	SSE :	KINGSBURY, TX
17 mi	WNW :	CANYON DAM NO 7, TX
17 mi	WNW :	CANYON DAM 7, TX
18 mi	S :	SEGUIN, TX

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

	Total observations	%	NDJFM observations	%
TMAX	17367	95.1%	7108	94.0%
TMIN	17274	94.6%	7132	94.3%
PRCP	17470	95.7%	7173	94.8%
SNOW	17486	95.7%	7167	94.8%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7108 by year	67.0°F	12.0°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>=83°F	510	-0.02	67	83	1.2	map	table
Extreme low events Days with TMAX<=46°F	476	-0.08	82	95	1.2	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>=83°F	510	-0.43	38	124	3.3*	map	table
Extreme low events Days with TMAX<=46°F	476	0.07	95	89	1.1	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>=83°F	510	32	167	5.2*	map	table
Extreme low events Days with TMAX<=46°F	476	80	42	1.9*	map	table

TMAX under 2 index extremes Help

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7132 by year	41.8°F	11.0°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<=26°F	498	-0.20	79	114	1.4*	map	table
Extreme high events Days with TMIN>=60°F	485	0.12	80	60	1.3	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<=26°F	498	0.28	129	71	1.8*	map	table
Extreme high events Days with TMIN>=60°F	485	-0.83	11	159	14.5*	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<=26°F	498	46	90	2.0*	map	table
Extreme high events Days with TMIN>=60°F	485	65	102	1.6*	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	7173 by year	0.08"		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"	1707	0.32"	0.06	321	285	1.1	map	table
Extreme events Days with PRCP>0.48"	339	1.11"	-0.02	52	51	1.0	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"	1707	0.32"	-0.20	202	324	1.6*	map	table
Extreme events Days with PRCP>0.48"	339	1.11"	-0.03	49	48	1.0	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"	1707	0.32"	347	193	1.8*	map	table
Extreme events Days with PRCP>0.48"	339	1.11"	93	34	2.7*	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	7167 by year	0.00"		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"	4	3.75"	0.04	0	1	Inf	map	table
Extreme events Days with SNOW>5.0"	0	NaN"	NaN	NaN	NaN	NaN	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"	4	3.75"	0.39	1	0	Inf	map	table
Extreme events Days with SNOW>5.0"	0	NaN"	NaN	NaN	NaN	NaN	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"	4	3.75"	2	0	Inf	map	table
Extreme events Days with SNOW>5.0"	0	NaN"	NaN	NaN	NaN	map	table

SNOW under 2 index extremes Help

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