LEWISTON NEZ PERCE COUNTY ARP, ID - COOP Northwest station 105241

105241 - LEWISTON NEZ PERCE COUNTY ARP, Idaho

Latitude
46° 22´N

Longitude
117° 1´W

Elevation
438 meters

10 nearest COOP Northwest stations

2 mi	WNW :	CLARKSTON HEIGHTS, WA
2 mi	N :	LEWISTON WATER PLANT, ID
2 mi	NNW :	LEWISTON, ID
10 mi	SW :	ASOTIN 14 SW, WA
10 mi	SSW :	ANATONE, WA
15 mi	NNW :	PULLMAN 2 E, WA
16 mi	NNW :	PULLMAN EXP STN, WA
16 mi	NW :	WAWAWAI, WA
17 mi	NW :	LOWER GRANITE DAM, WA
17 mi	WNW :	POMEROY, WA

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

	Total observations	%	NDJFM observations	%
TMAX	18242	99.9%	7561	100.0%
TMIN	18234	99.8%	7557	99.9%
PRCP	18157	99.4%	7506	99.2%
SNOW	17518	95.9%	7266	96.1%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7561 by year	45.4°F	10.5°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>=60°F	506	0.22	108	52	2.1*	map	table
Extreme low events Days with TMAX<=29°F	538	-0.05	115	128	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>=60°F	506	0.52	145	33	4.4*	map	table
Extreme low events Days with TMAX<=29°F	538	-0.79	36	205	5.7*	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	506	88	65	1.4	map	table
Extreme low events Days with TMAX<=29°F	538	57	88	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	7557 by year	30.5°F	9.1°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<=16°F	532	-0.02	110	118	1.1	map	table
Extreme high events Days with TMIN>=42°F	505	0.16	89	60	1.5*	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<=16°F	532	-0.98	18	222	12.3*	map	table
Extreme high events Days with TMIN>=42°F	505	0.55	146	26	5.6*	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<=16°F	532	58	105	1.8*	map	table
Extreme high events Days with TMIN>=42°F	505	78	71	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	7506 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"	2625	0.10"	-0.05	403	463	1.1*	map	table
Extreme events Days with PRCP>0.16"	497	0.32"	-0.01	80	75	1.1	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"	2625	0.10"	-0.15	357	501	1.4*	map	table
Extreme events Days with PRCP>0.16"	497	0.32"	-0.01	82	75	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"	2625	0.10"	401	461	1.1*	map	table
Extreme events Days with PRCP>0.16"	497	0.32"	81	81	1.0	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	7266 by year	0.10"		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"	694	1.08"	-0.19	113	163	1.4*	map	table
Extreme events Days with SNOW>1.6"	135	3.24"	-0.21	27	38	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"	694	1.08"	-0.93	19	263	13.8*	map	table
Extreme events Days with SNOW>1.6"	135	3.24"	-1.05	2	55	27.5*	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"	694	1.08"	70	153	2.2*	map	table
Extreme events Days with SNOW>1.6"	135	3.24"	16	33	2.1*	map	table

SNOW under 2 index extremes Help

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