WEBSTER, SD - COOP Northern Plains station 399004

399004 - WEBSTER, South Dakota

Latitude
45° 20´N

Longitude
97° 32´W

Elevation
565 meters

COOP Northern Plains

10 nearest COOP Northern Plains stations

7 mi	SE :	GELHAUS FARM, SD
10 mi	N :	WEBSTER 10 N, SD
12 mi	N :	ROSLYN, SD
12 mi	NE :	WAUBAY NATL WILDLIFE REF, SD
19 mi	WNW :	ANDOVER, SD
23 mi	E :	SUMMIT 1 W, SD
30 mi	WSW :	CONDE, SD
33 mi	SSW :	CLARK, SD
33 mi	NNW :	BRITTON, SD
33 mi	NE :	SISSETON, SD

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

	Total observations	%	NDJFM observations	%
TMAX	16405	89.8%	6787	89.7%
TMIN	16370	89.6%	6787	89.7%
PRCP	16389	89.7%	6765	89.4%
SNOW	14458	79.2%	5032	66.5%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	6787 by year	29.5°F	15.4°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>=52°F	466	0.36	88	34	2.6*	map	table
Extreme low events Days with TMAX<=5°F	498	-0.49	61	158	2.6*	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>=52°F	466	0.14	79	43	1.8*	map	table
Extreme low events Days with TMAX<=5°F	498	-0.40	66	145	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>=52°F	466	70	60	1.2	map	table
Extreme low events Days with TMAX<=5°F	498	59	56	1.1	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	6787 by year	10.1°F	15.5°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<=-16°F	455	-0.46	55	131	2.4*	map	table
Extreme high events Days with TMIN>=31°F	456	0.36	85	35	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<=-16°F	455	-0.25	72	126	1.8*	map	table
Extreme high events Days with TMIN>=31°F	456	0.02	58	51	1.1	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<=-16°F	455	40	57	1.4	map	table
Extreme high events Days with TMIN>=31°F	456	102	42	2.4*	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	6765 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"	1197	0.14"	-0.14	179	240	1.3*	map	table
Extreme events Days with PRCP>0.22"	234	0.42"	-0.14	32	45	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"	1197	0.14"	-0.19	145	226	1.6*	map	table
Extreme events Days with PRCP>0.22"	234	0.42"	-0.26	17	35	2.1*	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"	1197	0.14"	206	162	1.3*	map	table
Extreme events Days with PRCP>0.22"	234	0.42"	52	24	2.2*	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	5032 by year	0.20"		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"	486	2.12"	-0.16	71	98	1.4	map	table
Extreme events Days with SNOW>3.0"	95	5.29"	-0.30	9	21	2.3*	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"	486	2.12"	-0.31	53	106	2.0*	map	table
Extreme events Days with SNOW>3.0"	95	5.29"	-0.38	7	20	2.9*	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"	486	2.12"	70	79	1.1	map	table
Extreme events Days with SNOW>3.0"	95	5.29"	16	7	2.3	map	table

SNOW under 2 index extremes Help

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