COLSTRIP, MT - COOP Northwest station 241905

241905 - COLSTRIP, Montana

Latitude
45° 54´N

Longitude
106° 38´W

Elevation
981 meters

10 nearest COOP Northwest stations

12 mi	S :	LAME DEER, MT
13 mi	ESE :	BRANDENBERG, MT
16 mi	SSE :	BIRNEY 15 N, MT
16 mi	SE :	ASHLAND RANGER STN, MT
18 mi	SSW :	BUSBY, MT
24 mi	S :	BIRNEY, MT
25 mi	SSE :	ASHLAND 17 S, MT
26 mi	SSE :	BIRNEY 11 E, MT
26 mi	SSW :	KIRBY 1 S, MT
27 mi	SSE :	BIRNEY 7 E, MT

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

	Total observations	%	NDJFM observations	%
TMAX	16991	93.0%	7080	93.6%
TMIN	16986	93.0%	7084	93.7%
PRCP	17329	94.9%	7257	96.0%
SNOW	15726	86.1%	6018	79.6%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7080 by year	40.9°F	15.7°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	480	0.27	84	41	2.0*	map	table
Extreme low events Days with TMAX<=13°F	472	-0.45	64	148	2.3*	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	480	0.55	120	26	4.6*	map	table
Extreme low events Days with TMAX<=13°F	472	-0.98	18	197	10.9*	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	480	76	75	1.0	map	table
Extreme low events Days with TMAX<=13°F	472	57	76	1.3	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7084 by year	15.7°F	15.1°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	520	-0.30	87	142	1.6*	map	table
Extreme high events Days with TMIN>=34°F	478	0.26	83	40	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<=-11°F	520	-0.98	26	234	9.0*	map	table
Extreme high events Days with TMIN>=34°F	478	0.52	130	27	4.8*	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<=-11°F	520	47	95	2.0*	map	table
Extreme high events Days with TMIN>=34°F	478	73	72	1.0	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	7257 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"	1445	0.10"	-0.11	217	278	1.3*	map	table
Extreme events Days with PRCP>0.15"	286	0.28"	-0.11	42	55	1.3	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"	1445	0.10"	-0.23	177	301	1.7*	map	table
Extreme events Days with PRCP>0.15"	286	0.28"	-0.32	29	55	1.9*	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"	1445	0.10"	207	191	1.1	map	table
Extreme events Days with PRCP>0.15"	286	0.28"	40	44	1.1	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	6018 by year	0.19"		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"	770	1.48"	-0.17	130	180	1.4*	map	table
Extreme events Days with SNOW>2.0"	130	3.89"	-0.08	20	24	1.2	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"	770	1.48"	-0.42	75	196	2.6*	map	table
Extreme events Days with SNOW>2.0"	130	3.89"	-0.64	8	39	4.9*	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"	770	1.48"	115	113	1.0	map	table
Extreme events Days with SNOW>2.0"	130	3.89"	16	23	1.4	map	table

SNOW under 2 index extremes Help

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