ALVA 5 ESE, WY - COOP Lower Rockies station 480200

480200 - ALVA 5 ESE, Wyoming

Latitude
44° 39´N

Longitude
104° 22´W

Elevation
1338 meters

COOP Lower Rockies

10 nearest COOP Lower Rockies stations

5 mi	NW :	ALVA, WY
9 mi	E :	ALADDIN, WY
10 mi	SSE :	BEULAH 8 WSW, WY
11 mi	SE :	ALADDIN 6 S, WY
12 mi	WNW :	HULETT, WY
17 mi	S :	SUNDANCE, WY
18 mi	WSW :	DEVILS TOWER, WY
18 mi	WSW :	DEVILS TOWER 2, WY
20 mi	NNE :	COLONY, WY
27 mi	SW :	KEYHOLE DAM, WY

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

	Total observations	%	NDJFM observations	%
TMAX	13859	75.9%	5743	75.9%
TMIN	13862	75.9%	5745	76.0%
PRCP	13937	76.3%	5747	76.0%
SNOW	13925	76.2%	5737	75.9%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	5743 by year	38.5°F	14.1°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>=58°F	388	0.13	58	36	1.6*	map	table
Extreme low events Days with TMAX<=15°F	407	-0.59	47	142	3.0*	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>=58°F	388	0.36	83	31	2.7*	map	table
Extreme low events Days with TMAX<=15°F	407	-0.77	23	143	6.2*	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>=58°F	388	45	72	1.6*	map	table
Extreme low events Days with TMAX<=15°F	407	42	82	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	5745 by year	11.7°F	13.9°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<=-12°F	427	-0.44	64	129	2.0*	map	table
Extreme high events Days with TMIN>=29°F	446	0.14	80	57	1.4	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<=-12°F	427	-0.77	29	157	5.4*	map	table
Extreme high events Days with TMIN>=29°F	446	0.33	99	42	2.4*	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<=-12°F	427	40	78	2.0*	map	table
Extreme high events Days with TMIN>=29°F	446	50	97	1.9*	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	5747 by year	0.04"		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"	1937	0.11"	-0.25	236	407	1.7*	map	table
Extreme events Days with PRCP>0.15"	380	0.32"	-0.20	40	69	1.7*	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"	1937	0.11"	-0.17	248	355	1.4*	map	table
Extreme events Days with PRCP>0.15"	380	0.32"	-0.15	44	52	1.2	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"	1937	0.11"	237	350	1.5*	map	table
Extreme events Days with PRCP>0.15"	380	0.32"	45	79	1.8*	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	5737 by year	0.41"		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"	1636	1.45"	-0.26	197	338	1.7*	map	table
Extreme events Days with SNOW>2.1"	320	4.28"	-0.26	32	70	2.2*	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"	1636	1.45"	-0.25	183	327	1.8*	map	table
Extreme events Days with SNOW>2.1"	320	4.28"	-0.24	32	52	1.6*	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"	1636	1.45"	186	303	1.6*	map	table
Extreme events Days with SNOW>2.1"	320	4.28"	38	65	1.7*	map	table

SNOW under 2 index extremes Help

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