LIBBY 1 NE RS, MT - COOP Northwest station 245015

245015 - LIBBY 1 NE RS, Montana

Latitude
48° 24´N

Longitude
115° 32´W

Elevation
639 meters

10 nearest COOP Northwest stations

6 mi	E :	LIBBY DAM BASE, MT
6 mi	E :	LIBBY DAM, MT
8 mi	ENE :	WARLAND RANGER STN, MT
11 mi	WNW :	TROY, MT
13 mi	NNE :	WARLAND 12 N, MT
16 mi	NW :	TROY 18 N, MT
19 mi	NNW :	YAAK, MT
19 mi	SW :	HERON 2 NW, MT
22 mi	NNE :	REXFORD RANGER STN, MT
24 mi	NNE :	EUREKA RANGER STN, MT

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

	Total observations	%	NDJFM observations	%
TMAX	17558	96.1%	7243	95.8%
TMIN	17550	96.1%	7238	95.7%
PRCP	17772	97.3%	7380	97.6%
SNOW	15455	84.6%	6026	79.7%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7243 by year	38.7°F	11.1°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	495	0.17	98	62	1.6*	map	table
Extreme low events Days with TMAX<=22°F	552	-0.07	105	119	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>=55°F	495	0.64	141	21	6.7*	map	table
Extreme low events Days with TMAX<=22°F	552	-1.03	12	251	20.9*	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	495	96	41	2.3*	map	table
Extreme low events Days with TMAX<=22°F	552	59	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	7238 by year	21.6°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<=1°F	511	-0.10	102	115	1.1	map	table
Extreme high events Days with TMIN>=34°F	518	0.12	84	54	1.6*	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<=1°F	511	-1.00	5	213	42.6*	map	table
Extreme high events Days with TMIN>=34°F	518	0.39	116	30	3.9*	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<=1°F	511	43	99	2.3*	map	table
Extreme high events Days with TMIN>=34°F	518	82	68	1.2	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	7380 by year	0.06"		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"	2995	0.16"	0.03	515	478	1.1	map	table
Extreme events Days with PRCP>0.25"	577	0.46"	0.08	102	84	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"	2995	0.16"	-0.28	349	652	1.9*	map	table
Extreme events Days with PRCP>0.25"	577	0.46"	-0.42	37	132	3.6*	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"	2995	0.16"	485	539	1.1	map	table
Extreme events Days with PRCP>0.25"	577	0.46"	83	120	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	6026 by year	0.39"		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"	1188	1.98"	-0.04	204	215	1.1	map	table
Extreme events Days with SNOW>3.0"	199	5.55"	-0.01	39	36	1.1	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"	1188	1.98"	-0.69	80	401	5.0*	map	table
Extreme events Days with SNOW>3.0"	199	5.55"	-1.16	4	92	23.0*	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"	1188	1.98"	183	195	1.1	map	table
Extreme events Days with SNOW>3.0"	199	5.55"	25	39	1.6	map	table

SNOW under 2 index extremes Help

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