CHALLIS, ID - HCND station 101663

101663 - CHALLIS, Idaho

Latitude
44° 31´N

Longitude
114° 14´W

Elevation
5175 feet

10 nearest HCND stations

51 mi	SE :	MACKAY RS, ID
92 mi	ENE :	DILLON WMCE, MT
104 mi	SW :	ARROWROCK DAM, ID
105 mi	WNW :	NEW MEADOWS RS, ID
121 mi	W :	CAMBRIDGE, ID
121 mi	N :	HAMILTON, MT
121 mi	SSW :	GLENNS FERRY, ID
123 mi	S :	JEROME, ID
125 mi	ENE :	VIRGINIA CITY, MT
128 mi	SSE :	ABERDEEN EXPERIMENT STATION, ID

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

	Total observations	%	NDJFM observations	%
TMAX	17173	94.0%	7122	94.2%
TMIN	17239	94.4%	7123	94.2%
PRCP	14407	78.9%	5853	77.4%
SNOW	11322	62.0%	4460	59.0%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7122 by year	37.9°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	523	0.31	112	42	2.7*	map	table
Extreme low events Days with TMAX<=20°F	538	0.02	112	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	523	0.56	137	22	6.2*	map	table
Extreme low events Days with TMAX<=20°F	538	-0.56	50	170	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	523	75	82	1.1	map	table
Extreme low events Days with TMAX<=20°F	538	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	7123 by year	16.5°F	12.0°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	506	0.09	110	96	1.1	map	table
Extreme high events Days with TMIN>=32°F	560	0.13	99	74	1.3	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	506	-0.54	48	157	3.3*	map	table
Extreme high events Days with TMIN>=32°F	560	0.09	98	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	506	48	96	2.0*	map	table
Extreme high events Days with TMIN>=32°F	560	90	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	5853 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"	1289	0.09"	-0.03	199	233	1.2	map	table
Extreme events Days with PRCP>0.13"	246	0.25"	-0.06	34	43	1.3	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"	1289	0.09"	-0.22	162	259	1.6*	map	table
Extreme events Days with PRCP>0.13"	246	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"	1289	0.09"	237	233	1.0	map	table
Extreme events Days with PRCP>0.13"	246	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	4460 by year	0.15"		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"	498	1.33"	0.02	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"	498	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"	498	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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