CHALLIS, ID - COOP Northwest station 101663

101663 - CHALLIS, Idaho

Latitude
44° 30´N

Longitude
114° 14´W

Elevation
1577 meters

10 nearest COOP Northwest stations

18 mi	SSW :	CLAYTON 10 S, ID
24 mi	WSW :	STANLEY, ID
26 mi	SW :	OBSIDIAN 3 SSE, ID
29 mi	E :	MAY, ID
42 mi	E :	LEADORE 8 W, ID
44 mi	WNW :	MIDDLE FORK LODGE, ID
46 mi	E :	LEADORE, ID
46 mi	E :	LEADORE NO 2, ID
52 mi	N :	COBALT, ID
53 mi	N :	COBALT BLACKBIRD MINE, ID

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

	Total observations	%	NDJFM observations	%
TMAX	17441	95.5%	7236	95.7%
TMIN	17436	95.5%	7227	95.6%
PRCP	17525	96.0%	7284	96.3%
SNOW	16578	90.8%	6597	87.2%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7236 by year	38.0°F	11.9°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>=55°F	540	0.30	113	42	2.7*	map	table
Extreme low events Days with TMAX<=20°F	541	0.03	114	113	1.0	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>=55°F	540	0.53	140	26	5.4*	map	table
Extreme low events Days with TMAX<=20°F	541	-0.56	50	172	3.4*	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	540	76	82	1.1	map	table
Extreme low events Days with TMAX<=20°F	541	56	96	1.7*	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	7227 by year	16.5°F	11.9°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<=-3°F	511	0.09	113	97	1.2	map	table
Extreme high events Days with TMIN>=32°F	568	0.14	102	74	1.4*	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<=-3°F	511	-0.54	48	160	3.3*	map	table
Extreme high events Days with TMIN>=32°F	568	0.10	100	61	1.6*	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<=-3°F	511	48	97	2.0*	map	table
Extreme high events Days with TMIN>=32°F	568	93	82	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	7284 by year	0.02"		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"	1292	0.09"	-0.03	200	233	1.2	map	table
Extreme events Days with PRCP>0.13"	247	0.25"	-0.05	35	43	1.2	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"	1292	0.09"	-0.21	162	259	1.6*	map	table
Extreme events Days with PRCP>0.13"	247	0.25"	-0.28	27	52	1.9*	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"	1292	0.09"	237	233	1.0	map	table
Extreme events Days with PRCP>0.13"	247	0.25"	42	51	1.2	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	6597 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"	500	1.33"	0.03	80	82	1.0	map	table
Extreme events Days with SNOW>2.0"	82	3.50"	0.02	10	13	1.3	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"	500	1.33"	-0.37	46	121	2.6*	map	table
Extreme events Days with SNOW>2.0"	82	3.50"	-0.70	6	25	4.2*	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"	500	1.33"	77	104	1.4	map	table
Extreme events Days with SNOW>2.0"	82	3.50"	8	17	2.1	map	table

SNOW under 2 index extremes Help

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