ADAK NAS, AK - COOP Alaska station 500026

500026 - ADAK NAS, Alaska

Latitude
51° 53´N

Longitude
176° 39´W

Elevation
5 meters

Alaska

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10 nearest COOP Alaska stations

105 mi	ENE :	ATKA, AK
192 mi	W :	AMCHITKA, AK
391 mi	ENE :	CAPE AFB, AK
391 mi	ENE :	CAPE AFB, AK
391 mi	ENE :	UMNAK AP, AK
411 mi	W :	SHEMYA AFB, AK
440 mi	NE :	ST GEORGE ISLAND, AK
445 mi	ENE :	DUTCH HARBOR, AK
445 mi	ENE :	DUTCH HARBOR, AK
445 mi	ENE :	DUTCH HARBOR, AK

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

	Total observations	%	NDJFM observations	%
TMAX	17035	93.3%	7100	93.9%
TMIN	17036	93.3%	7099	93.9%
PRCP	17075	93.5%	7111	94.0%
SNOW	17068	93.5%	7114	94.1%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7100 by year	38.5°F	4.4°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>=45°F	585	0.02	89	83	1.1	map	table
Extreme low events Days with TMAX<=32°F	544	0.03	95	95	1.0	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>=45°F	585	-0.84	23	200	8.7*	map	table
Extreme low events Days with TMAX<=32°F	544	0.81	187	22	8.5*	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>=45°F	585	97	117	1.2	map	table
Extreme low events Days with TMAX<=32°F	544	91	76	1.2	map	table

TMAX under 2 index extremes Help

Station table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7099 by year	30.2°F	5.8°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<=21°F	597	0.16	131	91	1.4*	map	table
Extreme high events Days with TMIN>=38°F	474	-0.18	53	94	1.8*	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<=21°F	597	0.78	184	25	7.4*	map	table
Extreme high events Days with TMIN>=38°F	474	-0.81	15	160	10.7*	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<=21°F	597	115	63	1.8*	map	table
Extreme high events Days with TMIN>=38°F	474	65	106	1.6*	map	table

TMIN under 2 index extremes Help

Station table

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PRCP (total liquid water equivalent) Help top of page

PRCP	observations	mean		Distribution	during extreme days of
NDJFM	7111 by year	0.20"		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"	5797	0.25"	-0.03	965	1019	1.1*	map	table
Extreme events Days with PRCP>0.37"	1139	0.79"	-0.05	189	205	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"	5797	0.25"	0.03	980	922	1.1*	map	table
Extreme events Days with PRCP>0.37"	1139	0.79"	-0.35	111	243	2.2*	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"	5797	0.25"	980	914	1.1*	map	table
Extreme events Days with PRCP>0.37"	1139	0.79"	183	199	1.1	map	table

PRCP under 2 index extremes Help

Station table

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SNOW Help top of page

SNOW	observations	mean		Distribution	during extreme days of
NDJFM	7114 by year	0.60"		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"	3492	1.22"	0.01	612	599	1.0	map	table
Extreme events Days with SNOW>1.9"	661	3.50"	-0.05	110	124	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"	3492	1.22"	0.32	780	372	2.1*	map	table
Extreme events Days with SNOW>1.9"	661	3.50"	0.29	150	70	2.1*	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"	3492	1.22"	644	492	1.3*	map	table
Extreme events Days with SNOW>1.9"	661	3.50"	123	83	1.5*	map	table

SNOW under 2 index extremes Help

Station table

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