ALVIN, TX - COOP South Central station 410204

410204 - ALVIN, Texas

Latitude
29° 22´N

Longitude
95° 14´W

Elevation
9 meters

COOP South Central

10 nearest COOP South Central stations

11 mi	NE :	HOUSTON NWSO, TX
20 mi	N :	HOUSTON WILLIAM P HOBBY AP, TX
20 mi	SW :	ANGLETON 2 W, TX
21 mi	WSW :	HARRIS LAKE, TX
21 mi	WSW :	WILLIAM HARRIS RESERVOIR, TX
22 mi	N :	HOUSTON GOLF CREST, TX
24 mi	ESE :	GALVESTON SCHOLES FIELD, TX
24 mi	N :	PASADENA HOUSTON, TX
25 mi	NNE :	HOUSTON DEER PARK, TX
25 mi	NNE :	HOUSTON DEER PARK, TX

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

	Total observations	%	NDJFM observations	%
TMAX	10440	57.2%	4353	57.6%
TMIN	10234	56.0%	4293	56.8%
PRCP	16969	92.9%	7099	93.9%
SNOW	17020	93.2%	7101	93.9%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	4353 by year	67.0°F	10.9°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>=81°F	294	0.14	45	38	1.2	map	table
Extreme low events Days with TMAX<=48°F	293	-0.06	59	66	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>=81°F	294	-0.48	21	63	3.0*	map	table
Extreme low events Days with TMAX<=48°F	293	0.39	78	36	2.2*	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>=81°F	294	42	64	1.5	map	table
Extreme low events Days with TMAX<=48°F	293	47	26	1.8*	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	4293 by year	46.3°F	11.2°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<=30°F	302	-0.11	61	67	1.1	map	table
Extreme high events Days with TMIN>=64°F	326	0.32	71	38	1.9*	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<=30°F	302	0.48	83	31	2.7*	map	table
Extreme high events Days with TMIN>=64°F	326	-0.77	11	99	9.0*	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<=30°F	302	37	46	1.2	map	table
Extreme high events Days with TMIN>=64°F	326	49	61	1.2	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	7099 by year	0.12"		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"	1911	0.44"	0.02	323	319	1.0	map	table
Extreme events Days with PRCP>0.71"	382	1.44"	-0.08	48	62	1.3	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"	1911	0.44"	-0.14	224	348	1.6*	map	table
Extreme events Days with PRCP>0.71"	382	1.44"	-0.01	44	51	1.2	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"	1911	0.44"	354	237	1.5*	map	table
Extreme events Days with PRCP>0.71"	382	1.44"	77	49	1.6*	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	7101 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"	2	3.25"	-0.83	0	0	NaN	map	table
Extreme events Days with SNOW>4.0"	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"	2	3.25"	1.16	1	0	Inf	map	table
Extreme events Days with SNOW>4.0"	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"	2	3.25"	1	0	Inf	map	table
Extreme events Days with SNOW>4.0"	0	NaN"	NaN	NaN	NaN	map	table

SNOW under 2 index extremes Help

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