ALCOVA 17 NW, WY - COOP Lower Rockies station 480091

480091 - ALCOVA 17 NW, Wyoming

Latitude
42° 44´N

Longitude
107° 1´W

Elevation
2093 meters

COOP Lower Rockies

10 nearest COOP Lower Rockies stations

12 mi	SW :	ALCOVA 26 WNW, WY
12 mi	WSW :	ALCOVA 29 WNW, WY
19 mi	WNW :	ERVAY, WY
20 mi	SSE :	PATHFINDER DAM, WY
21 mi	N :	POWDER RIVER SCHOOL, WY
21 mi	N :	POWDER RIVER NO 2, WY
21 mi	WNW :	ERVAY 3 NW, WY
25 mi	WNW :	GAS HILLS 4 E, WY
30 mi	ENE :	CASPER NATRONA CO INTL AP, WY
31 mi	NNW :	HILAND, WY

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

	Total observations	%	NDJFM observations	%
TMAX	5887	32.2%	2507	33.1%
TMIN	5812	31.8%	2492	32.9%
PRCP	7348	40.2%	2905	38.4%
SNOW	7369	40.3%	2851	37.7%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	2507 by year	33.7°F	11.6°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>=51°F	173	0.23	29	14	2.1*	map	table
Extreme low events Days with TMAX<=15°F	172	-0.43	21	48	2.3*	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>=51°F	173	0.32	37	9	4.1*	map	table
Extreme low events Days with TMAX<=15°F	172	-0.52	13	42	3.2*	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>=51°F	173	29	21	1.4	map	table
Extreme low events Days with TMAX<=15°F	172	42	34	1.2	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	2492 by year	17.1°F	12.3°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<=-3°F	183	-0.43	14	48	3.4*	map	table
Extreme high events Days with TMIN>=34°F	171	0.25	25	10	2.5*	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<=-3°F	183	-0.74	13	60	4.6*	map	table
Extreme high events Days with TMIN>=34°F	171	0.21	32	13	2.5*	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<=-3°F	183	40	26	1.5	map	table
Extreme high events Days with TMIN>=34°F	171	29	32	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	2905 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"	346	0.20"	-0.26	31	72	2.3*	map	table
Extreme events Days with PRCP>0.28"	68	0.65"	-0.03	7	10	1.4	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"	346	0.20"	-0.11	49	55	1.1	map	table
Extreme events Days with PRCP>0.28"	68	0.65"	0.14	15	8	1.9	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"	346	0.20"	55	33	1.7*	map	table
Extreme events Days with PRCP>0.28"	68	0.65"	16	10	1.6	map	table

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SNOW Help top of page

SNOW	observations	mean		Distribution	during extreme days of
NDJFM	2851 by year	0.36"		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"	362	2.83"	-0.25	34	71	2.1*	map	table
Extreme events Days with SNOW>5.0"	54	8.59"	-0.39	3	13	4.3*	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"	362	2.83"	-0.09	47	56	1.2	map	table
Extreme events Days with SNOW>5.0"	54	8.59"	0.17	12	7	1.7	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"	362	2.83"	50	44	1.1	map	table
Extreme events Days with SNOW>5.0"	54	8.59"	8	4	2.0	map	table

SNOW under 2 index extremes Help

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