BLACK ROCK, UT - COOP Lower Rockies station 420730

420730 - BLACK ROCK, Utah

Latitude
38° 43´N

Longitude
112° 57´W

Elevation
1492 meters

COOP Lower Rockies

10 nearest COOP Lower Rockies stations

14 mi	W :	SEVIER DRY LAKE, UT
17 mi	NNE :	DELTA 32 SSW, UT
20 mi	S :	MILFORD AIRPORT, UT
21 mi	ESE :	COVE FORT, UT
28 mi	ENE :	KANOSH, UT
31 mi	WSW :	WAH WAH RANCH, UT
32 mi	NE :	CLEAR LAKE REFUGE, UT
33 mi	SSE :	BEAVER, UT
35 mi	ESE :	FREMONT INDIAN S P, UT
35 mi	S :	MINERSVILLE, UT

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

	Total observations	%	NDJFM observations	%
TMAX	16909	92.6%	6952	91.9%
TMIN	16878	92.4%	6958	92.0%
PRCP	17019	93.2%	6982	92.3%
SNOW	15659	85.7%	5867	77.6%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	6952 by year	48.3°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>=67°F	508	0.22	96	49	2.0*	map	table
Extreme low events Days with TMAX<=30°F	493	0.27	119	69	1.7*	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>=67°F	508	0.33	96	37	2.6*	map	table
Extreme low events Days with TMAX<=30°F	493	-0.37	54	118	2.2*	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>=67°F	508	61	73	1.2	map	table
Extreme low events Days with TMAX<=30°F	493	69	79	1.1	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	6958 by year	18.7°F	11.8°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	519	0.18	128	90	1.4*	map	table
Extreme high events Days with TMIN>=35°F	511	-0.03	77	94	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	519	-0.55	32	144	4.5*	map	table
Extreme high events Days with TMIN>=35°F	511	-0.10	77	81	1.1	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<=0°F	519	52	95	1.8*	map	table
Extreme high events Days with TMIN>=35°F	511	84	80	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	6982 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"	1026	0.15"	-0.02	184	197	1.1	map	table
Extreme events Days with PRCP>0.24"	191	0.45"	0.07	37	34	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"	1026	0.15"	-0.17	134	197	1.5*	map	table
Extreme events Days with PRCP>0.24"	191	0.45"	-0.46	12	44	3.7*	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"	1026	0.15"	219	111	2.0*	map	table
Extreme events Days with PRCP>0.24"	191	0.45"	26	18	1.4	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	5867 by year	0.16"		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"	363	2.66"	0.15	82	73	1.1	map	table
Extreme events Days with SNOW>4.0"	60	6.97"	0.31	17	8	2.1	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"	363	2.66"	-0.47	24	84	3.5*	map	table
Extreme events Days with SNOW>4.0"	60	6.97"	-0.85	1	20	20.0*	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"	363	2.66"	49	39	1.3	map	table
Extreme events Days with SNOW>4.0"	60	6.97"	8	6	1.3	map	table

SNOW under 2 index extremes Help

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