ALTA 1 NNW, WY - COOP Lower Rockies station 480140

480140 - ALTA 1 NNW, Wyoming

Latitude
43° 46´N

Longitude
111° 2´W

Elevation
1960 meters

COOP Lower Rockies

10 nearest COOP Lower Rockies stations

16 mi	ESE :	MOOSE HDQTS, WY
18 mi	ESE :	MOOSE, WY
23 mi	ENE :	MORAN 5 WNW, WY
24 mi	SE :	JACKSON, WY
26 mi	N :	BECHLER RIVER RS, WY
27 mi	NNE :	GRASSY LAKE DAM, WY
31 mi	NE :	SNAKE RIVER, WY
40 mi	S :	ALPINE 2 S, WY
48 mi	SE :	BONDURANT, WY
48 mi	NNE :	OLD FAITHFUL, WY

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

	Total observations	%	NDJFM observations	%
TMAX	17788	97.4%	7370	97.4%
TMIN	17507	95.9%	7363	97.4%
PRCP	17932	98.2%	7419	98.1%
SNOW	17854	97.8%	7412	98.0%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7370 by year	34.3°F	10.1°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>=50°F	511	0.09	71	52	1.4	map	table
Extreme low events Days with TMAX<=20°F	693	0.06	135	130	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>=50°F	511	0.67	155	16	9.7*	map	table
Extreme low events Days with TMAX<=20°F	693	-0.81	34	247	7.3*	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>=50°F	511	69	77	1.1	map	table
Extreme low events Days with TMAX<=20°F	693	88	138	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	7363 by year	13.1°F	12.2°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	500	-0.23	94	139	1.5*	map	table
Extreme high events Days with TMIN>=30°F	624	-0.02	100	104	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	500	-0.51	39	131	3.4*	map	table
Extreme high events Days with TMIN>=30°F	624	0.18	114	59	1.9*	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	500	53	113	2.1*	map	table
Extreme high events Days with TMIN>=30°F	624	97	109	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	7419 by year	0.06"		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"	2158	0.20"	0.00	363	369	1.0	map	table
Extreme events Days with PRCP>0.31"	424	0.51"	0.05	71	61	1.2	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"	2158	0.20"	-0.30	247	483	2.0*	map	table
Extreme events Days with PRCP>0.31"	424	0.51"	-0.25	55	87	1.6*	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"	2158	0.20"	328	419	1.3*	map	table
Extreme events Days with PRCP>0.31"	424	0.51"	69	79	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	7412 by year	0.60"		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"	1647	2.70"	0.02	294	277	1.1	map	table
Extreme events Days with SNOW>4.0"	274	6.15"	0.10	53	37	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"	1647	2.70"	-0.40	154	393	2.6*	map	table
Extreme events Days with SNOW>4.0"	274	6.15"	-0.38	25	56	2.2*	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"	1647	2.70"	242	320	1.3*	map	table
Extreme events Days with SNOW>4.0"	274	6.15"	45	52	1.2	map	table

SNOW under 2 index extremes Help

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