VIVIAN, SD - COOP Northern Plains station 398727

398727 - VIVIAN, South Dakota

Latitude
43° 56´N

Longitude
100° 18´W

Elevation
583 meters

COOP Northern Plains

10 nearest COOP Northern Plains stations

7 mi	ENE :	PRESHO 7 NW, SD
20 mi	W :	MURDO, SD
21 mi	W :	MURDO 2, SD
22 mi	E :	KENNEBEC, SD
28 mi	NW :	FORT PIERRE 17 WSW, SD
28 mi	NW :	WENDTE , SD
29 mi	WNW :	VAN METRE, SD
31 mi	N :	PIERRE MUNICIPAL AP, SD
31 mi	SSW :	WOOD, SD
36 mi	N :	OAHE DAM, SD

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

	Total observations	%	NDJFM observations	%
TMAX	9579	52.5%	4003	52.9%
TMIN	9541	52.2%	4016	53.1%
PRCP	9707	53.2%	3998	52.9%
SNOW	9531	52.2%	3836	50.7%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	4003 by year	38.4°F	16.2°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>=62°F	294	0.17	54	21	2.6*	map	table
Extreme low events Days with TMAX<=12°F	281	-0.41	54	90	1.7*	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>=62°F	294	-0.03	41	34	1.2	map	table
Extreme low events Days with TMAX<=12°F	281	-0.77	20	108	5.4*	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>=62°F	294	39	58	1.5	map	table
Extreme low events Days with TMAX<=12°F	281	45	66	1.5	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	4016 by year	12.8°F	14.1°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<=-11°F	282	-0.46	44	91	2.1*	map	table
Extreme high events Days with TMIN>=31°F	310	0.04	32	26	1.2	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<=-11°F	282	-0.71	23	110	4.8*	map	table
Extreme high events Days with TMIN>=31°F	310	0.06	45	30	1.5	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<=-11°F	282	36	68	1.9*	map	table
Extreme high events Days with TMIN>=31°F	310	52	71	1.4	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	3998 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"	342	0.21"	-0.24	41	67	1.6*	map	table
Extreme events Days with PRCP>0.30"	67	0.63"	-0.23	5	12	2.4	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"	342	0.21"	-0.27	30	59	2.0*	map	table
Extreme events Days with PRCP>0.30"	67	0.63"	-0.51	3	15	5.0*	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"	342	0.21"	47	54	1.1	map	table
Extreme events Days with PRCP>0.30"	67	0.63"	15	13	1.2	map	table

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SNOW Help top of page

SNOW	observations	mean		Distribution	during extreme days of
NDJFM	3836 by year	0.15"		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"	248	2.29"	-0.33	34	59	1.7*	map	table
Extreme events Days with SNOW>3.0"	49	5.81"	-0.46	4	15	3.8*	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"	248	2.29"	-0.38	18	50	2.8*	map	table
Extreme events Days with SNOW>3.0"	49	5.81"	-0.31	2	9	4.5*	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"	248	2.29"	32	35	1.1	map	table
Extreme events Days with SNOW>3.0"	49	5.81"	9	8	1.1	map	table

SNOW under 2 index extremes Help

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