WILLIAM HARRIS RESERVOIR, TX - COOP South Central station 419772

419772 - WILLIAM HARRIS RESERVOIR, Texas

Latitude
29° 15´N

Longitude
95° 33´W

Elevation
12 meters

COOP South Central

Texas

Help

Main

10 nearest COOP South Central stations

0 mi	N :	WILLIAM HARRIS RESERVOIR, TX
9 mi	SE :	ANGLETON 2 W, TX
17 mi	NNW :	THOMPSONS 3 WSW, TX
21 mi	NW :	PLEAK, TX
21 mi	ENE :	ALVIN, TX
21 mi	SSE :	FREEPORT 2 NW, TX
21 mi	W :	NEW GULF, TX
23 mi	NNW :	CRABB 2 W, TX
23 mi	S :	SAN BERNARD W/L REFUGE, TX
25 mi	NW :	ROSENBERG, TX

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

	Total observations	%	NDJFM observations	%
TMAX	5411	29.6%	2277	30.1%
TMIN	5402	29.6%	2275	30.1%
PRCP	5527	30.3%	2349	31.1%
SNOW	5389	29.5%	2253	29.8%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	2277 by year	67.9°F	10.8°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	208	-0.47	12	51	4.2*	map	table
Extreme low events Days with TMAX<=50°F	164	-0.28	19	37	1.9*	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	208	-0.46	11	50	4.5*	map	table
Extreme low events Days with TMAX<=50°F	164	0.21	38	23	1.7	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	208	3	98	32.7*	map	table
Extreme low events Days with TMAX<=50°F	164	16	27	1.7	map	table

TMAX under 2 index extremes Help

Station table

Maps - choose one extreme:

TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	2275 by year	49.3°F	10.9°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<=33°F	166	-0.42	13	40	3.1*	map	table
Extreme high events Days with TMIN>=66°F	178	-0.25	19	35	1.8*	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<=33°F	166	0.54	52	20	2.6*	map	table
Extreme high events Days with TMIN>=66°F	178	-1.09	2	78	39.0*	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<=33°F	166	11	36	3.3*	map	table
Extreme high events Days with TMIN>=66°F	178	3	75	25.0*	map	table

TMIN under 2 index extremes Help

Station table

Maps - choose one extreme:

PRCP (total liquid water equivalent) Help top of page

PRCP	observations	mean		Distribution	during extreme days of
NDJFM	2349 by year	0.11"		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"	648	0.39"	-0.22	92	145	1.6*	map	table
Extreme events Days with PRCP>0.58"	129	1.33"	-0.35	15	29	1.9	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"	648	0.39"	-0.18	73	107	1.5*	map	table
Extreme events Days with PRCP>0.58"	129	1.33"	0.08	19	12	1.6	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"	648	0.39"	48	129	2.7*	map	table
Extreme events Days with PRCP>0.58"	129	1.33"	12	22	1.8	map	table

PRCP under 2 index extremes Help

Station table

Maps - choose one extreme:

SNOW Help top of page

SNOW	observations	mean
NDJFM	2253 by year	0.00"

No days with measureable SNOW during NDJFM over 1948-1997