CHELAN, WA - COOP Northwest station 451350

451350 - CHELAN, Washington

Latitude
47° 50´N

Longitude
120° 2´W

Elevation
341 meters

10 nearest COOP Northwest stations

0 mi	N :	LAKESIDE, WA
7 mi	S :	WATERVILLE, WA
10 mi	SW :	ENTIAT FISH HATCHERY, WA
17 mi	W :	PLAIN, WA
18 mi	SSW :	WENATCHEE, WA
19 mi	SSW :	WENATCHEE PANGBORN FIELD, WA
19 mi	SSW :	WENATCHEE EXP STN, WA
21 mi	WSW :	LEAVENWORTH 3 S, WA
21 mi	W :	LAKE WENATCHEE, WA
25 mi	E :	MANSFIELD 7 W, WA

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

	Total observations	%	NDJFM observations	%
TMAX	14427	79.0%	5902	78.0%
TMIN	14427	79.0%	5903	78.1%
PRCP	14390	78.8%	5894	77.9%
SNOW	14349	78.6%	5821	77.0%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	5902 by year	40.1°F	10.9°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>=56°F	435	0.18	87	55	1.6*	map	table
Extreme low events Days with TMAX<=24°F	454	-0.22	78	116	1.5*	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>=56°F	435	0.32	89	38	2.3*	map	table
Extreme low events Days with TMAX<=24°F	454	-0.87	20	182	9.1*	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>=56°F	435	82	35	2.3*	map	table
Extreme low events Days with TMAX<=24°F	454	65	37	1.8*	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	5903 by year	27.3°F	8.5°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<=13°F	429	-0.18	78	111	1.4	map	table
Extreme high events Days with TMIN>=38°F	451	0.24	78	39	2.0*	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<=13°F	429	-1.01	18	182	10.1*	map	table
Extreme high events Days with TMIN>=38°F	451	0.45	112	28	4.0*	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<=13°F	429	60	45	1.3	map	table
Extreme high events Days with TMIN>=38°F	451	105	35	3.0*	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	5894 by year	0.04"		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"	1631	0.16"	0.02	267	248	1.1	map	table
Extreme events Days with PRCP>0.26"	315	0.46"	0.04	46	46	1.0	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"	1631	0.16"	0.05	276	237	1.2	map	table
Extreme events Days with PRCP>0.26"	315	0.46"	0.21	62	35	1.8*	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"	1631	0.16"	313	200	1.6*	map	table
Extreme events Days with PRCP>0.26"	315	0.46"	67	40	1.7*	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	5821 by year	0.23"		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"	687	1.97"	-0.16	99	138	1.4*	map	table
Extreme events Days with SNOW>3.0"	105	5.36"	-0.09	14	20	1.4	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"	687	1.97"	-0.34	65	168	2.6*	map	table
Extreme events Days with SNOW>3.0"	105	5.36"	-0.46	7	24	3.4*	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"	687	1.97"	128	75	1.7*	map	table
Extreme events Days with SNOW>3.0"	105	5.36"	21	13	1.6	map	table

SNOW under 2 index extremes Help

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