STEVENSVILLE, MT - COOP Northwest station 247894

247894 - STEVENSVILLE, Montana

Latitude
46° 31´N

Longitude
114° 5´W

Elevation
1029 meters

10 nearest COOP Northwest stations

8 mi	S :	WESTERN AG RESEARCH CNTR, MT
12 mi	SSW :	HAMILTON, MT
15 mi	N :	MISSOULA 2 WNW, MT
16 mi	NW :	LOLO HOT SPRINGS 2 NE, MT
17 mi	N :	MISSOULA JOHNSON-BELL FLD, MT
18 mi	W :	POWELL, ID
21 mi	S :	DARBY, MT
27 mi	WSW :	MOOSE CREEK RANCH, ID
27 mi	NE :	MISSOULA 2 NE, MT
29 mi	WSW :	MOOSE CREEK RANGER STN, ID

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

	Total observations	%	NDJFM observations	%
TMAX	17895	98.0%	7533	99.6%
TMIN	17846	97.7%	7526	99.5%
PRCP	17933	98.2%	7547	99.8%
SNOW	13146	72.0%	4973	65.8%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7533 by year	39.7°F	12.3°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>=56°F	600	0.28	119	60	2.0*	map	table
Extreme low events Days with TMAX<=20°F	515	0.03	114	109	1.0	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>=56°F	600	0.50	153	38	4.0*	map	table
Extreme low events Days with TMAX<=20°F	515	-0.78	37	202	5.5*	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>=56°F	600	109	72	1.5*	map	table
Extreme low events Days with TMAX<=20°F	515	54	86	1.6*	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	7526 by year	20.2°F	12.1°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<=0°F	551	0.07	128	112	1.1	map	table
Extreme high events Days with TMIN>=34°F	648	0.14	110	86	1.3	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<=0°F	551	-0.79	28	209	7.5*	map	table
Extreme high events Days with TMIN>=34°F	648	0.14	104	67	1.6*	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<=0°F	551	65	98	1.5*	map	table
Extreme high events Days with TMIN>=34°F	648	91	104	1.1	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	7547 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"	2264	0.12"	0.03	387	360	1.1	map	table
Extreme events Days with PRCP>0.18"	435	0.35"	0.04	70	62	1.1	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"	2264	0.12"	-0.30	224	490	2.2*	map	table
Extreme events Days with PRCP>0.18"	435	0.35"	-0.46	36	106	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"	2264	0.12"	329	367	1.1	map	table
Extreme events Days with PRCP>0.18"	435	0.35"	51	84	1.6*	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	4973 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"	590	1.72"	0.09	124	105	1.2	map	table
Extreme events Days with SNOW>2.6"	116	4.62"	0.03	25	20	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"	590	1.72"	-0.58	41	178	4.3*	map	table
Extreme events Days with SNOW>2.6"	116	4.62"	-0.86	5	45	9.0*	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"	590	1.72"	70	87	1.2	map	table
Extreme events Days with SNOW>2.6"	116	4.62"	6	27	4.5*	map	table

SNOW under 2 index extremes Help

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