POWELL FIELD STATION, WY - COOP Lower Rockies station 487388

487388 - POWELL FIELD STATION, Wyoming

Latitude
44° 47´N

Longitude
108° 46´W

Elevation
1332 meters

COOP Lower Rockies

10 nearest COOP Lower Rockies stations

2 mi	S :	POWELL, WY
5 mi	E :	GARLAND, WY
11 mi	WSW :	HEART MOUNTAIN, WY
11 mi	NE :	DEAVER, WY
18 mi	E :	LOVELL, WY
21 mi	WNW :	CLARK 3 NE, WY
21 mi	WNW :	CLARK 4 S, WY
22 mi	SW :	CODY, WY
23 mi	SW :	CODY 1 SSE, WY
24 mi	SW :	CODY, WY

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

	Total observations	%	NDJFM observations	%
TMAX	6113	33.5%	2479	32.8%
TMIN	6115	33.5%	2480	32.8%
PRCP	6108	33.4%	2473	32.7%
SNOW	5679	31.1%	2150	28.4%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	2479 by year	38.8°F	15.0°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>=60°F	180	0.55	42	11	3.8*	map	table
Extreme low events Days with TMAX<=13°F	172	0.32	47	29	1.6	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>=60°F	180	0.43	44	10	4.4*	map	table
Extreme low events Days with TMAX<=13°F	172	-0.74	14	63	4.5*	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>=60°F	180	48	11	4.4*	map	table
Extreme low events Days with TMAX<=13°F	172	8	19	2.4*	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	2480 by year	13.1°F	12.7°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<=-8°F	176	0.35	48	27	1.8	map	table
Extreme high events Days with TMIN>=30°F	183	0.41	41	14	2.9*	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<=-8°F	176	-0.93	11	76	6.9*	map	table
Extreme high events Days with TMIN>=30°F	183	0.41	44	12	3.7*	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<=-8°F	176	6	17	2.8*	map	table
Extreme high events Days with TMIN>=30°F	183	38	12	3.2*	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	2473 by year	0.01"		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"	214	0.07"	0.32	52	26	2.0*	map	table
Extreme events Days with PRCP>0.11"	39	0.20"	-0.01	7	8	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"	214	0.07"	-0.19	25	39	1.6	map	table
Extreme events Days with PRCP>0.11"	39	0.20"	-0.17	2	5	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"	214	0.07"	42	26	1.6	map	table
Extreme events Days with PRCP>0.11"	39	0.20"	7	4	1.8	map	table

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SNOW Help top of page

SNOW	observations	mean		Distribution	during extreme days of
NDJFM	2150 by year	0.07"		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"	103	1.40"	0.23	27	17	1.6	map	table
Extreme events Days with SNOW>2.0"	15	4.88"	0.49	4	1	4.0	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"	103	1.40"	-0.14	13	20	1.5	map	table
Extreme events Days with SNOW>2.0"	15	4.88"	-0.22	1	3	3.0	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"	103	1.40"	14	13	1.1	map	table
Extreme events Days with SNOW>2.0"	15	4.88"	1	0	Inf	map	table

SNOW under 2 index extremes Help

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