SNOQUALMIE FALLS, WA - COOP Northwest station 457773

457773 - SNOQUALMIE FALLS, Washington

Latitude
47° 33´N

Longitude
121° 50´W

Elevation
134 meters

10 nearest COOP Northwest stations

5 mi	NNW :	CARNATION 1 NW, WA
6 mi	NNW :	TOLT 1 NW, WA
6 mi	SSE :	CEDAR LAKE, WA
6 mi	N :	TOLT SOUTH FORK RESER, WA
7 mi	NW :	CARNATION 4 NW, WA
8 mi	SSW :	LANDSBURG, WA
9 mi	NNW :	DUVALL 3 NE, WA
9 mi	NNW :	MOUNTAIN LAKES, WA
10 mi	S :	PALMER 3 ESE, WA
12 mi	ESE :	SNOQUALMIE PASS 4 W, WA

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

	Total observations	%	NDJFM observations	%
TMAX	18093	99.1%	7493	99.1%
TMIN	18100	99.1%	7497	99.1%
PRCP	18090	99.1%	7483	98.9%
SNOW	17684	96.8%	7081	93.6%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7493 by year	48.4°F	7.9°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>=60°F	569	0.03	93	84	1.1	map	table
Extreme low events Days with TMAX<=37°F	596	-0.14	105	131	1.2	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>=60°F	569	0.92	224	14	16.0*	map	table
Extreme low events Days with TMAX<=37°F	596	-1.09	18	279	15.5*	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>=60°F	569	112	62	1.8*	map	table
Extreme low events Days with TMAX<=37°F	596	67	124	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	7497 by year	34.4°F	7.3°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<=24°F	581	0.01	126	118	1.1	map	table
Extreme high events Days with TMIN>=45°F	502	0.02	61	62	1.0	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<=24°F	581	-0.93	32	249	7.8*	map	table
Extreme high events Days with TMIN>=45°F	502	0.94	194	5	38.8*	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<=24°F	581	68	131	1.9*	map	table
Extreme high events Days with TMIN>=45°F	502	108	63	1.7*	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	7483 by year	0.26"		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"	5048	0.38"	0.01	826	807	1.0	map	table
Extreme events Days with PRCP>0.63"	983	1.12"	0.16	186	120	1.6*	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"	5048	0.38"	-0.10	734	919	1.3*	map	table
Extreme events Days with PRCP>0.63"	983	1.12"	-0.17	122	175	1.4*	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"	5048	0.38"	804	900	1.1*	map	table
Extreme events Days with PRCP>0.63"	983	1.12"	144	195	1.4*	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	7081 by year	0.08"		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"	285	1.90"	0.04	65	56	1.2	map	table
Extreme events Days with SNOW>3.0"	43	5.70"	-0.01	12	10	1.2	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"	285	1.90"	-1.48	0	162	Inf*	map	table
Extreme events Days with SNOW>3.0"	43	5.70"	-1.86	0	29	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"	285	1.90"	12	81	6.8*	map	table
Extreme events Days with SNOW>3.0"	43	5.70"	1	14	14.0*	map	table

SNOW under 2 index extremes Help

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