O NEILL, NE - COOP Northern Plains station 256290

256290 - O NEILL, Nebraska

Latitude
42° 28´N

Longitude
98° 39´W

Elevation
607 meters

COOP Northern Plains

10 nearest COOP Northern Plains stations

18 mi	WNW :	ATKINSON, NE
19 mi	SSW :	CHAMBERS, NE
21 mi	SE :	EWING, NE
22 mi	ESE :	ORCHARD 1 NW, NE
22 mi	SW :	AMELIA 2 W, NE
24 mi	ENE :	WALNUT 1 SE, NE
24 mi	N :	SPENCER 5 SSE, NE
27 mi	NNE :	LYNCH, NE
29 mi	ESE :	ROYAL 3 NE, NE
29 mi	ESE :	ROYAL, NE

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

	Total observations	%	NDJFM observations	%
TMAX	17453	95.6%	7228	95.6%
TMIN	17440	95.5%	7226	95.5%
PRCP	17461	95.6%	7231	95.6%
SNOW	17179	94.1%	6998	92.5%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7228 by year	38.4°F	16.0°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	530	0.30	101	52	1.9*	map	table
Extreme low events Days with TMAX<=13°F	499	-0.40	77	157	2.0*	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	530	0.06	89	75	1.2	map	table
Extreme low events Days with TMAX<=13°F	499	-0.42	56	144	2.6*	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	530	74	94	1.3	map	table
Extreme low events Days with TMAX<=13°F	499	56	74	1.3	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	7226 by year	16.4°F	13.7°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<=-7°F	510	-0.36	72	137	1.9*	map	table
Extreme high events Days with TMIN>=34°F	500	0.27	87	41	2.1*	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<=-7°F	510	-0.28	80	141	1.8*	map	table
Extreme high events Days with TMIN>=34°F	500	0.01	54	59	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<=-7°F	510	53	64	1.2	map	table
Extreme high events Days with TMIN>=34°F	500	97	72	1.3	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	7231 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"	1070	0.19"	-0.16	149	214	1.4*	map	table
Extreme events Days with PRCP>0.28"	208	0.62"	-0.01	31	38	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"	1070	0.19"	-0.16	129	186	1.4*	map	table
Extreme events Days with PRCP>0.28"	208	0.62"	-0.09	16	27	1.7	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"	1070	0.19"	195	154	1.3*	map	table
Extreme events Days with PRCP>0.28"	208	0.62"	54	27	2.0*	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	6998 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"	671	2.06"	-0.23	90	146	1.6*	map	table
Extreme events Days with SNOW>3.3"	134	5.79"	-0.05	17	24	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"	671	2.06"	-0.27	72	133	1.8*	map	table
Extreme events Days with SNOW>3.3"	134	5.79"	-0.23	9	21	2.3*	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"	671	2.06"	91	105	1.2	map	table
Extreme events Days with SNOW>3.3"	134	5.79"	19	24	1.3	map	table

SNOW under 2 index extremes Help

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