PORT ALEXANDER, AK - COOP Alaska station 507557

507557 - PORT ALEXANDER, Alaska

Latitude
56° 15´N

Longitude
134° 39´W

Elevation
4 meters

Alaska

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10 nearest COOP Alaska stations

6 mi	N :	LITTLE PORT WALTER, AK
16 mi	SE :	CAPE DECISION, AK
39 mi	E :	PORT PROTECTION, AK
43 mi	NE :	KAKE, AK
44 mi	NW :	BIORKA, AK
44 mi	NE :	KAKE, AK
52 mi	E :	LEVEL ISLAND, AK
53 mi	SE :	CAPE POLE, AK
62 mi	N :	BARANOF, AK
68 mi	N :	HIDDEN FALLS HATCHERY, AK

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

	Total observations	%	NDJFM observations	%
TMAX	11603	63.5%	4861	64.3%
TMIN	11572	63.4%	4853	64.2%
PRCP	11686	64.0%	4856	64.2%
SNOW	11749	64.3%	4790	63.3%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	4861 by year	40.3°F	6.2°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>=48°F	355	-0.03	34	47	1.4	map	table
Extreme low events Days with TMAX<=30°F	389	-0.59	24	116	4.8*	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>=48°F	355	0.91	132	11	12.0*	map	table
Extreme low events Days with TMAX<=30°F	389	-1.07	4	156	39.0*	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>=48°F	355	70	38	1.8*	map	table
Extreme low events Days with TMAX<=30°F	389	12	125	10.4*	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	4853 by year	32.3°F	6.6°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	353	-0.48	38	106	2.8*	map	table
Extreme high events Days with TMIN>=41°F	346	0.00	31	33	1.1	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	353	-1.25	6	163	27.2*	map	table
Extreme high events Days with TMIN>=41°F	346	1.26	171	2	85.5*	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<=21°F	353	9	107	11.9*	map	table
Extreme high events Days with TMIN>=41°F	346	51	33	1.5*	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	4856 by year	0.55"		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"	3539	0.75"	0.07	615	541	1.1*	map	table
Extreme events Days with PRCP>1.16"	707	1.99"	0.07	120	105	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"	3539	0.75"	0.27	756	395	1.9*	map	table
Extreme events Days with PRCP>1.16"	707	1.99"	0.50	180	57	3.2*	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"	3539	0.75"	555	492	1.1*	map	table
Extreme events Days with PRCP>1.16"	707	1.99"	106	96	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	4790 by year	0.44"		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"	678	3.11"	0.01	121	119	1.0	map	table
Extreme events Days with SNOW>5.0"	122	8.54"	0.10	20	19	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"	678	3.11"	-0.47	47	164	3.5*	map	table
Extreme events Days with SNOW>5.0"	122	8.54"	-0.77	0	39	Inf*	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"	678	3.11"	68	144	2.1*	map	table
Extreme events Days with SNOW>5.0"	122	8.54"	7	29	4.1*	map	table

SNOW under 2 index extremes Help

Station table

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