SNOQUALMIE PASS, WA - COOP Northwest station 457781

457781 - SNOQUALMIE PASS, Washington

Latitude
47° 26´N

Longitude
121° 25´W

Elevation
921 meters

10 nearest COOP Northwest stations

2 mi	SW :	SNOQUALMIE PASS 4 W, WA
5 mi	SSE :	LAKE KEECHELUS, WA
7 mi	SSE :	STAMPEDE PASS, WA
9 mi	W :	CEDAR LAKE, WA
9 mi	S :	LESTER 2 E, WA
9 mi	SE :	LAKE KACHESS, WA
10 mi	SE :	EASTON, WA
11 mi	N :	SKYKOMISH, WA
12 mi	N :	GROTTO, WA
12 mi	SE :	LAKE CLE ELUM, WA

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

	Total observations	%	NDJFM observations	%
TMAX	7468	40.9%	3235	42.8%
TMIN	7444	40.8%	3235	42.8%
PRCP	7901	43.3%	3425	45.3%
SNOW	7625	41.8%	3144	41.6%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	3235 by year	36.8°F	8.3°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>=49°F	239	-0.19	23	29	1.3	map	table
Extreme low events Days with TMAX<=25°F	233	-0.46	36	72	2.0*	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>=49°F	239	0.78	77	7	11.0*	map	table
Extreme low events Days with TMAX<=25°F	233	-1.06	10	110	11.0*	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>=49°F	239	40	36	1.1	map	table
Extreme low events Days with TMAX<=25°F	233	34	52	1.5	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	3235 by year	24.0°F	8.4°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<=10°F	245	-0.30	41	64	1.6	map	table
Extreme high events Days with TMIN>=33°F	281	-0.19	20	43	2.1*	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<=10°F	245	-1.20	0	115	Inf*	map	table
Extreme high events Days with TMIN>=33°F	281	0.62	83	8	10.4*	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<=10°F	245	23	72	3.1*	map	table
Extreme high events Days with TMIN>=33°F	281	44	41	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	3425 by year	0.49"		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"	2254	0.74"	-0.30	231	501	2.2*	map	table
Extreme events Days with PRCP>1.20"	441	2.00"	-0.20	51	90	1.8*	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"	2254	0.74"	-0.25	270	478	1.8*	map	table
Extreme events Days with PRCP>1.20"	441	2.00"	-0.39	45	102	2.3*	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"	2254	0.74"	313	403	1.3*	map	table
Extreme events Days with PRCP>1.20"	441	2.00"	50	100	2.0*	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	3144 by year	3.10"		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"	1498	6.50"	-0.27	168	323	1.9*	map	table
Extreme events Days with SNOW>10.0"	296	15.63"	-0.21	35	64	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"	1498	6.50"	-0.58	104	433	4.2*	map	table
Extreme events Days with SNOW>10.0"	296	15.63"	-0.98	11	127	11.5*	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"	1498	6.50"	217	295	1.4*	map	table
Extreme events Days with SNOW>10.0"	296	15.63"	40	75	1.9*	map	table

SNOW under 2 index extremes Help

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