ROLLA 3 NW, ND - COOP Northern Plains station 327664

327664 - ROLLA 3 NW, North Dakota

Latitude
48° 54´N

Longitude
99° 40´W

Elevation
594 meters

COOP Northern Plains

10 nearest COOP Northern Plains stations

6 mi	SW :	BELCOURT KEYA RADIO, ND
16 mi	ENE :	HANSBORO 4 NNE, ND
17 mi	WSW :	SAN HAVEN, ND
17 mi	WSW :	SAN HAVEN, ND
18 mi	SSW :	ROLETTE, ND
24 mi	SE :	BISBEE 6 NE, ND
30 mi	E :	SARLES, ND
32 mi	W :	LAKE METIGOSHE ST PK, ND
32 mi	W :	BOTTINEAU STATE PARK, ND
34 mi	SW :	WILLOW CITY, ND

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

	Total observations	%	NDJFM observations	%
TMAX	17979	98.4%	7451	98.5%
TMIN	17977	98.4%	7432	98.3%
PRCP	18043	98.8%	7468	98.7%
SNOW	16053	87.9%	5856	77.4%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7451 by year	22.5°F	16.1°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>=45°F	540	0.31	94	42	2.2*	map	table
Extreme low events Days with TMAX<=-4°F	498	-0.38	64	134	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>=45°F	540	0.35	105	39	2.7*	map	table
Extreme low events Days with TMAX<=-4°F	498	-0.78	36	194	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>=45°F	540	85	66	1.3	map	table
Extreme low events Days with TMAX<=-4°F	498	56	78	1.4	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7432 by year	4.3°F	16.1°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<=-21°F	529	-0.31	69	131	1.9*	map	table
Extreme high events Days with TMIN>=28°F	502	0.33	94	36	2.6*	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<=-21°F	529	-0.79	41	217	5.3*	map	table
Extreme high events Days with TMIN>=28°F	502	0.32	97	32	3.0*	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<=-21°F	529	50	93	1.9*	map	table
Extreme high events Days with TMIN>=28°F	502	88	57	1.5*	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	7468 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"	1529	0.09"	-0.11	218	273	1.3*	map	table
Extreme events Days with PRCP>0.13"	291	0.28"	-0.01	45	47	1.0	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"	1529	0.09"	-0.26	178	313	1.8*	map	table
Extreme events Days with PRCP>0.13"	291	0.28"	-0.46	20	57	2.9*	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"	1529	0.09"	221	282	1.3*	map	table
Extreme events Days with PRCP>0.13"	291	0.28"	40	70	1.8*	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	5856 by year	0.23"		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"	1034	1.27"	-0.19	153	206	1.3*	map	table
Extreme events Days with SNOW>2.0"	161	4.12"	0.03	31	27	1.1	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"	1034	1.27"	-0.37	110	239	2.2*	map	table
Extreme events Days with SNOW>2.0"	161	4.12"	-0.66	8	46	5.8*	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"	1034	1.27"	122	245	2.0*	map	table
Extreme events Days with SNOW>2.0"	161	4.12"	23	40	1.7	map	table

SNOW under 2 index extremes Help

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