DILLON WMCE, MT - HCND station 242409

242409 - DILLON WMCE, Montana

Latitude
45° 13´N

Longitude
112° 38´W

Elevation
5228 feet

10 nearest HCND stations

34 mi	E :	VIRGINIA CITY, MT
46 mi	ENE :	ENNIS, MT
52 mi	ENE :	NORRIS MADISON POWER HOUSE, MT
68 mi	ESE :	HEBGEN DAM, MT
83 mi	ENE :	BOZEMAN MONTANA ST UNIV, MT
84 mi	ESE :	WEST YELLOWSTONE, MT
92 mi	WSW :	CHALLIS, ID
96 mi	E :	YELLOWSTONE PARK MAMMOTH, WY
98 mi	SE :	ASHTON, ID
101 mi	SSW :	MACKAY RS, ID

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

	Total observations	%	NDJFM observations	%
TMAX	17773	97.3%	7434	98.3%
TMIN	18189	99.6%	7516	99.4%
PRCP	12850	70.4%	5183	68.5%
SNOW	7399	40.5%	2343	31.0%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7434 by year	40.2°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	534	0.24	95	50	1.9*	map	table
Extreme low events Days with TMAX<=21°F	519	-0.05	110	121	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	534	0.76	178	14	12.7*	map	table
Extreme low events Days with TMAX<=21°F	519	-0.93	15	202	13.5*	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>=57°F	534	81	83	1.0	map	table
Extreme low events Days with TMAX<=21°F	519	60	101	1.7*	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7516 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	521	-0.03	109	119	1.1	map	table
Extreme high events Days with TMIN>=33°F	551	0.12	88	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	521	-0.93	13	205	15.8*	map	table
Extreme high events Days with TMIN>=33°F	551	0.27	107	46	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	521	60	100	1.7*	map	table
Extreme high events Days with TMIN>=33°F	551	73	96	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	5183 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"	1043	0.10"	-0.15	149	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"	1043	0.10"	-0.35	99	226	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"	1043	0.10"	141	178	1.3*	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	2343 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"	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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