ELWHA R S, WA - COOP Northwest station 452548

452548 - ELWHA R S, Washington

Latitude
48° 2´N

Longitude
123° 35´W

Elevation
110 meters

10 nearest COOP Northwest stations

4 mi	WNW :	LAKE SUTHERLAND SNUG H, WA
5 mi	NE :	PORT ANGELES, WA
7 mi	NE :	PORT ANGELES WB AP, WA
14 mi	E :	SEQUIM, WA
15 mi	E :	SEQUIM 2 E, WA
26 mi	NE :	FRIDAY HARBOR, WA
31 mi	SSW :	SOL DUC HOT SPRINGS, WA
32 mi	SSE :	PORT ANGELES 14 SE, WA
33 mi	W :	SAPPHO 8 E, WA
37 mi	S :	BLUE GLACIER, WA

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

	Total observations	%	NDJFM observations	%
TMAX	17023	93.2%	6915	91.4%
TMIN	17127	93.8%	6947	91.9%
PRCP	17565	96.2%	7194	95.1%
SNOW	17181	94.1%	6737	89.1%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	6915 by year	45.0°F	7.0°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>=55°F	562	-0.05	83	86	1.0	map	table
Extreme low events Days with TMAX<=34°F	470	0.05	113	107	1.1	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>=55°F	562	0.66	173	30	5.8*	map	table
Extreme low events Days with TMAX<=34°F	470	-1.03	22	223	10.1*	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>=55°F	562	107	59	1.8*	map	table
Extreme low events Days with TMAX<=34°F	470	73	101	1.4	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	6947 by year	33.0°F	5.7°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<=25°F	483	0.01	110	115	1.0	map	table
Extreme high events Days with TMIN>=41°F	529	0.08	72	56	1.3	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<=25°F	483	-1.13	7	222	31.7*	map	table
Extreme high events Days with TMIN>=41°F	529	0.81	179	7	25.6*	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<=25°F	483	48	108	2.2*	map	table
Extreme high events Days with TMIN>=41°F	529	94	86	1.1	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	7194 by year	0.27"		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"	3996	0.49"	0.06	682	579	1.2*	map	table
Extreme events Days with PRCP>0.82"	785	1.44"	0.12	149	103	1.4*	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"	3996	0.49"	-0.05	604	680	1.1*	map	table
Extreme events Days with PRCP>0.82"	785	1.44"	0.01	114	104	1.1	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"	3996	0.49"	643	744	1.2*	map	table
Extreme events Days with PRCP>0.82"	785	1.44"	135	151	1.1	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	6737 by year	0.11"		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"	246	2.98"	-0.17	45	56	1.2	map	table
Extreme events Days with SNOW>4.0"	45	7.92"	-0.29	7	13	1.9	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"	246	2.98"	-1.52	3	147	49.0*	map	table
Extreme events Days with SNOW>4.0"	45	7.92"	-1.83	0	33	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"	246	2.98"	41	84	2.0*	map	table
Extreme events Days with SNOW>4.0"	45	7.92"	13	11	1.2	map	table

SNOW under 2 index extremes Help

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