PORT HEIDEN, AK - COOP Alaska station 507700

507700 - PORT HEIDEN, Alaska

Latitude
56° 57´N

Longitude
158° 37´W

Elevation
28 meters

Alaska

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10 nearest COOP Alaska stations

27 mi	S :	CHIGNIK, AK
92 mi	ENE :	WIDE BAY, AK
116 mi	NNE :	EGEGIK, AK
121 mi	SW :	SAND POINT, AK
147 mi	NNE :	KING SALMON ARPT, AK
147 mi	NNE :	NAKNEK, AK
161 mi	E :	ALITAK BAY, AK
161 mi	E :	LAZY BAY, AK
162 mi	NE :	BROOKS LAKE, AK
162 mi	NE :	BROOKS RIVER, AK

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

	Total observations	%	NDJFM observations	%
TMAX	11529	63.1%	4610	61.0%
TMIN	11210	61.4%	4434	58.6%
PRCP	11224	61.5%	4310	57.0%
SNOW	9890	54.2%	3291	43.5%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	4610 by year	31.0°F	11.5°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>=44°F	340	-0.54	21	84	4.0*	map	table
Extreme low events Days with TMAX<=9°F	309	-0.18	45	70	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>=44°F	340	-0.11	45	51	1.1	map	table
Extreme low events Days with TMAX<=9°F	309	-0.12	35	39	1.1	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>=44°F	340	61	25	2.4*	map	table
Extreme low events Days with TMAX<=9°F	309	38	74	1.9*	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	4434 by year	19.2°F	14.1°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<=-6°F	305	-0.13	40	52	1.3	map	table
Extreme high events Days with TMIN>=36°F	316	-0.43	19	66	3.5*	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<=-6°F	305	-0.17	27	41	1.5	map	table
Extreme high events Days with TMIN>=36°F	316	0.19	56	41	1.4	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<=-6°F	305	33	98	3.0*	map	table
Extreme high events Days with TMIN>=36°F	316	64	16	4.0*	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	4310 by year	0.03"		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"	1180	0.11"	-0.08	170	212	1.2*	map	table
Extreme events Days with PRCP>0.15"	219	0.38"	-0.12	26	34	1.3	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"	1180	0.11"	0.11	223	171	1.3*	map	table
Extreme events Days with PRCP>0.15"	219	0.38"	0.19	45	26	1.7*	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"	1180	0.11"	185	166	1.1	map	table
Extreme events Days with PRCP>0.15"	219	0.38"	23	35	1.5	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	3291 by year	0.28"		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"	600	1.55"	0.15	106	74	1.4*	map	table
Extreme events Days with SNOW>2.2"	117	4.09"	0.26	14	8	1.8	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"	600	1.55"	0.22	121	72	1.7*	map	table
Extreme events Days with SNOW>2.2"	117	4.09"	0.27	24	14	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"	600	1.55"	86	131	1.5*	map	table
Extreme events Days with SNOW>2.2"	117	4.09"	15	26	1.7	map	table

SNOW under 2 index extremes Help

Station table

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