GRANGER DAM, TX - COOP South Central station 413686

413686 - GRANGER DAM, Texas

Latitude
30° 42´N

Longitude
97° 20´W

Elevation
172 meters

COOP South Central

Texas

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10 nearest COOP South Central stations

7 mi	W :	GRANGER, TX
10 mi	NE :	DAVILLA 3 NE, TX
10 mi	SE :	THORNDALE, TX
10 mi	SSW :	TAYLOR, TX
18 mi	WNW :	JARRELL, TX
18 mi	E :	ROCKDALE, TX
21 mi	WSW :	ROUND ROCK 3 NE, TX
21 mi	WSW :	GEORGETOWN, TX
23 mi	W :	GEORGETOWN LAKE, TX
23 mi	W :	NORTH FORK DAM, TX

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

	Total observations	%	NDJFM observations	%
TMAX	6318	34.6%	2596	34.3%
TMIN	6324	34.6%	2598	34.4%
PRCP	6349	34.8%	2588	34.2%
SNOW	6265	34.3%	2504	33.1%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	2596 by year	64.0°F	12.7°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>=80°F	221	0.18	31	24	1.3	map	table
Extreme low events Days with TMAX<=43°F	178	0.46	48	19	2.5*	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>=80°F	221	-0.23	24	36	1.5	map	table
Extreme low events Days with TMAX<=43°F	178	0.03	37	36	1.0	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>=80°F	221	25	23	1.1	map	table
Extreme low events Days with TMAX<=43°F	178	26	10	2.6*	map	table

TMAX under 2 index extremes Help

Station table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	2598 by year	42.1°F	11.1°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<=27°F	195	0.27	51	28	1.8*	map	table
Extreme high events Days with TMIN>=60°F	176	0.37	38	16	2.4*	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<=27°F	195	0.35	61	31	2.0*	map	table
Extreme high events Days with TMIN>=60°F	176	-0.57	8	39	4.9*	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<=27°F	195	21	11	1.9*	map	table
Extreme high events Days with TMIN>=60°F	176	32	6	5.3*	map	table

TMIN under 2 index extremes Help

Station table

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PRCP (total liquid water equivalent) Help top of page

PRCP	observations	mean		Distribution	during extreme days of
NDJFM	2588 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"	712	0.30"	0.51	187	56	3.3*	map	table
Extreme events Days with PRCP>0.50"	141	1.04"	0.40	26	9	2.9*	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"	712	0.30"	-0.02	102	122	1.2	map	table
Extreme events Days with PRCP>0.50"	141	1.04"	0.16	24	17	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"	712	0.30"	193	39	4.9*	map	table
Extreme events Days with PRCP>0.50"	141	1.04"	54	3	18.0*	map	table

PRCP under 2 index extremes Help

Station table

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SNOW Help top of page

SNOW	observations	mean
NDJFM	2504 by year	0.00"

No days with measureable SNOW during NDJFM over 1948-1997