ALTA, UT - COOP Lower Rockies station 420072

420072 - ALTA, Utah

Latitude
40° 36´N

Longitude
111° 38´W

Elevation
2661 meters

COOP Lower Rockies

10 nearest COOP Lower Rockies stations

2 mi	WSW :	SNOWBIRD, UT
3 mi	E :	SILVER LAKE BRIGHTON, UT
6 mi	ENE :	PARK CITY SUMMIT HOUSE, UT
7 mi	ENE :	PARK CITY NORANDA MINE, UT
8 mi	NE :	PARK CITY G C, UT
8 mi	ENE :	PARK CITY FIRE STATION 31, UT
8 mi	ESE :	SNAKE CREEK POWERHOUSE, UT
8 mi	W :	COTTONWOOD WEIR, UT
9 mi	NE :	PARK CITY 4 NW, UT
9 mi	NE :	SNYDERVILLE, UT

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

	Total observations	%	NDJFM observations	%
TMAX	12505	68.5%	6605	87.3%
TMIN	12503	68.5%	6608	87.4%
PRCP	12560	68.8%	6536	86.4%
SNOW	12632	69.2%	6557	86.7%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	6605 by year	32.7°F	10.6°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>=48°F	562	0.01	68	70	1.0	map	table
Extreme low events Days with TMAX<=17°F	494	-0.11	89	105	1.2	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>=48°F	562	0.74	177	25	7.1*	map	table
Extreme low events Days with TMAX<=17°F	494	-0.80	20	168	8.4*	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>=48°F	562	67	106	1.6*	map	table
Extreme low events Days with TMAX<=17°F	494	64	123	1.9*	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	6608 by year	15.4°F	10.1°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	542	-0.05	105	117	1.1	map	table
Extreme high events Days with TMIN>=30°F	459	-0.03	53	62	1.2	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	542	-0.80	20	189	9.5*	map	table
Extreme high events Days with TMIN>=30°F	459	0.51	113	27	4.2*	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	542	67	150	2.2*	map	table
Extreme high events Days with TMIN>=30°F	459	45	96	2.1*	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	6536 by year	0.23"		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"	2768	0.55"	-0.01	486	488	1.0	map	table
Extreme events Days with PRCP>0.88"	544	1.45"	-0.07	85	102	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"	2768	0.55"	-0.27	305	592	1.9*	map	table
Extreme events Days with PRCP>0.88"	544	1.45"	-0.35	51	127	2.5*	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"	2768	0.55"	482	449	1.1	map	table
Extreme events Days with PRCP>0.88"	544	1.45"	81	103	1.3	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	6557 by year	2.62"		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"	2732	6.29"	-0.02	469	481	1.0	map	table
Extreme events Days with SNOW>10.0"	505	15.73"	0.07	93	85	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"	2732	6.29"	-0.28	296	602	2.0*	map	table
Extreme events Days with SNOW>10.0"	505	15.73"	-0.49	33	132	4.0*	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"	2732	6.29"	458	460	1.0	map	table
Extreme events Days with SNOW>10.0"	505	15.73"	82	80	1.0	map	table

SNOW under 2 index extremes Help

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