ASHTON, ID - HCND station 100470

100470 - ASHTON, Idaho

Latitude
44° 4´N

Longitude
111° 27´W

Elevation
5260 feet

10 nearest HCND stations

28 mi	SE :	ALTA 1NNW, WY
44 mi	NNE :	WEST YELLOWSTONE, MT
45 mi	ESE :	MORAN 5WNW, WY
56 mi	N :	HEBGEN DAM, MT
61 mi	ENE :	LAKE YELLOWSTONE, WY
72 mi	NNE :	YELLOWSTONE PARK MAMMOTH, WY
88 mi	NNW :	VIRGINIA CITY, MT
90 mi	N :	ENNIS, MT
97 mi	ESE :	DUBOIS, WY
98 mi	NW :	DILLON WMCE, MT

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

	Total observations	%	NDJFM observations	%
TMAX	17351	95.0%	7318	96.8%
TMIN	17342	95.0%	7223	95.5%
PRCP	15594	85.4%	6412	84.8%
SNOW	15093	82.6%	6433	85.1%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7318 by year	34.2°F	10.2°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>=49°F	532	0.15	79	49	1.6*	map	table
Extreme low events Days with TMAX<=19°F	543	0.07	118	110	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>=49°F	532	0.49	127	25	5.1*	map	table
Extreme low events Days with TMAX<=19°F	543	-0.66	37	172	4.6*	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>=49°F	532	76	75	1.0	map	table
Extreme low events Days with TMAX<=19°F	543	58	114	2.0*	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	7223 by year	14.3°F	12.7°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	483	-0.09	95	112	1.2	map	table
Extreme high events Days with TMIN>=31°F	570	0.05	90	87	1.0	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	483	-0.61	30	142	4.7*	map	table
Extreme high events Days with TMIN>=31°F	570	0.21	107	52	2.1*	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	483	57	103	1.8*	map	table
Extreme high events Days with TMIN>=31°F	570	96	87	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	6412 by year	0.07"		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"	2646	0.18"	-0.01	441	462	1.0	map	table
Extreme events Days with PRCP>0.28"	524	0.47"	-0.02	87	95	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"	2646	0.18"	-0.29	305	580	1.9*	map	table
Extreme events Days with PRCP>0.28"	524	0.47"	-0.21	64	109	1.7*	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"	2646	0.18"	443	435	1.0	map	table
Extreme events Days with PRCP>0.28"	524	0.47"	82	98	1.2	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	6433 by year	0.65"		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"	2158	1.95"	0.05	403	368	1.1	map	table
Extreme events Days with SNOW>3.0"	305	5.43"	0.10	60	44	1.4	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"	2158	1.95"	-0.38	212	536	2.5*	map	table
Extreme events Days with SNOW>3.0"	305	5.43"	-0.56	24	88	3.7*	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"	2158	1.95"	351	364	1.0	map	table
Extreme events Days with SNOW>3.0"	305	5.43"	37	61	1.6*	map	table

SNOW under 2 index extremes Help

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