SEWARD, NE - COOP Northern Plains station 257715

257715 - SEWARD, Nebraska

Latitude
40° 54´N

Longitude
97° 5´W

Elevation
439 meters

COOP Northern Plains

10 nearest COOP Northern Plains stations

6 mi	NW :	STAPLEHURST, NE
11 mi	E :	MALCOLM, NE
13 mi	ESE :	EMERALD 1 W, NE
13 mi	NNW :	ULYSSES, NE
14 mi	W :	UTICA, NE
15 mi	NNW :	ULYSSES 3 NNE, NE
17 mi	SE :	DENTON, NE
17 mi	ENE :	RAYMOND 2 NE, NE
17 mi	ESE :	LINCOLN MUNICIPAL ARPT, NE
17 mi	ENE :	AGNEW, NE

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

	Total observations	%	NDJFM observations	%
TMAX	18018	98.7%	7420	98.1%
TMIN	18013	98.6%	7416	98.1%
PRCP	18073	99.0%	7439	98.4%
SNOW	18039	98.8%	7407	97.9%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7420 by year	41.6°F	14.9°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>=64°F	556	0.37	116	47	2.5*	map	table
Extreme low events Days with TMAX<=18°F	507	-0.40	75	156	2.1*	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>=64°F	556	-0.07	75	82	1.1	map	table
Extreme low events Days with TMAX<=18°F	507	-0.32	66	134	2.0*	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>=64°F	556	67	106	1.6*	map	table
Extreme low events Days with TMAX<=18°F	507	54	66	1.2	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	7416 by year	21.2°F	12.9°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<=-1°F	496	-0.38	72	138	1.9*	map	table
Extreme high events Days with TMIN>=38°F	536	0.26	98	48	2.0*	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<=-1°F	496	-0.20	82	123	1.5*	map	table
Extreme high events Days with TMIN>=38°F	536	-0.21	39	70	1.8*	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<=-1°F	496	47	64	1.4	map	table
Extreme high events Days with TMIN>=38°F	536	108	87	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	7439 by year	0.03"		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"	1240	0.20"	-0.11	208	237	1.1	map	table
Extreme events Days with PRCP>0.31"	246	0.64"	-0.13	42	52	1.2	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"	1240	0.20"	-0.20	145	235	1.6*	map	table
Extreme events Days with PRCP>0.31"	246	0.64"	-0.24	16	50	3.1*	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"	1240	0.20"	244	172	1.4*	map	table
Extreme events Days with PRCP>0.31"	246	0.64"	62	30	2.1*	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	7407 by year	0.16"		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"	744	1.59"	-0.25	118	165	1.4*	map	table
Extreme events Days with SNOW>2.5"	148	4.52"	-0.24	27	38	1.4	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"	744	1.59"	-0.14	96	138	1.4*	map	table
Extreme events Days with SNOW>2.5"	148	4.52"	-0.23	14	29	2.1*	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"	744	1.59"	106	113	1.1	map	table
Extreme events Days with SNOW>2.5"	148	4.52"	25	21	1.2	map	table

SNOW under 2 index extremes Help

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