DILLON WMCE, MT - COOP Northwest station 242409

242409 - DILLON WMCE, Montana

Latitude
45° 13´N

Longitude
112° 38´W

Elevation
1594 meters

10 nearest COOP Northwest stations

3 mi	ENE :	DILLON AP, MT
5 mi	S :	DILLON 9 SSE, MT
7 mi	WNW :	ARGENTA, MT
8 mi	NNW :	APEX 2 NW, MT
10 mi	N :	GLEN 2 E, MT
15 mi	E :	ALDER RUBY DAM, MT
16 mi	ENE :	ALDER, MT
16 mi	NNE :	TWIN BRIDGES, MT
17 mi	N :	MELROSE, MT
18 mi	ESE :	ALDER 17 S, MT

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

	Total observations	%	NDJFM observations	%
TMAX	18126	99.2%	7552	99.9%
TMIN	18239	99.9%	7545	99.8%
PRCP	18218	99.8%	7526	99.5%
SNOW	11784	64.5%	3650	48.3%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7552 by year	40.1°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>=57°F	541	0.24	95	50	1.9*	map	table
Extreme low events Days with TMAX<=21°F	537	-0.04	115	124	1.1	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>=57°F	541	0.75	178	14	12.7*	map	table
Extreme low events Days with TMAX<=21°F	537	-0.92	16	208	13.0*	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>=57°F	541	81	84	1.0	map	table
Extreme low events Days with TMAX<=21°F	537	60	102	1.7*	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7545 by year	16.7°F	13.3°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	526	-0.02	111	119	1.1	map	table
Extreme high events Days with TMIN>=33°F	555	0.12	89	65	1.4	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	526	-0.93	13	208	16.0*	map	table
Extreme high events Days with TMIN>=33°F	555	0.26	107	47	2.3*	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	526	60	101	1.7*	map	table
Extreme high events Days with TMIN>=33°F	555	73	97	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	7526 by year	0.01"		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"	1044	0.10"	-0.15	151	219	1.5*	map	table
Extreme events Days with PRCP>0.15"	208	0.30"	-0.08	30	46	1.5	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"	1044	0.10"	-0.35	99	227	2.3*	map	table
Extreme events Days with PRCP>0.15"	208	0.30"	-0.38	12	45	3.8*	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"	1044	0.10"	143	178	1.2	map	table
Extreme events Days with PRCP>0.15"	208	0.30"	29	32	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	3650 by year	0.12"		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"	213	2.07"	-0.14	36	50	1.4	map	table
Extreme events Days with SNOW>3.0"	33	5.32"	-0.01	11	10	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"	213	2.07"	-0.80	10	74	7.4*	map	table
Extreme events Days with SNOW>3.0"	33	5.32"	-0.79	1	11	11.0*	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"	213	2.07"	14	57	4.1*	map	table
Extreme events Days with SNOW>3.0"	33	5.32"	5	7	1.4	map	table

SNOW under 2 index extremes Help

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