LONESOME LAKE, MT - COOP Northwest station 245177

245177 - LONESOME LAKE, Montana

Latitude
48° 15´N

Longitude
110° 12´W

Elevation
842 meters

10 nearest COOP Northwest stations

6 mi	SE :	BIG SANDY, MT
11 mi	NNE :	KREMLIN, MT
13 mi	NNW :	GILDFORD, MT
14 mi	NNW :	HINGHAM, MT
19 mi	W :	TIBER LAKE, MT
20 mi	NW :	JOPLIN, MT
21 mi	NNW :	HINGHAM 11 N, MT
23 mi	NNE :	HAVRE 22 NW, MT
24 mi	WNW :	CHESTER, MT
30 mi	E :	ROCKY BOY, MT

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

	Total observations	%	NDJFM observations	%
TMAX	11073	60.6%	4581	60.6%
TMIN	11146	61.0%	4639	61.3%
PRCP	11605	63.5%	4869	64.4%
SNOW	11238	61.5%	4641	61.4%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	4581 by year	35.0°F	17.9°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>=59°F	313	0.20	54	20	2.7*	map	table
Extreme low events Days with TMAX<=4°F	335	-0.61	37	109	2.9*	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>=59°F	313	0.62	90	13	6.9*	map	table
Extreme low events Days with TMAX<=4°F	335	-1.25	8	177	22.1*	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>=59°F	313	29	69	2.4*	map	table
Extreme low events Days with TMAX<=4°F	335	46	83	1.8*	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	4639 by year	8.5°F	17.7°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<=-22°F	311	-0.42	44	85	1.9*	map	table
Extreme high events Days with TMIN>=31°F	365	0.19	69	39	1.8*	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<=-22°F	311	-1.02	7	139	19.9*	map	table
Extreme high events Days with TMIN>=31°F	365	0.37	75	20	3.8*	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<=-22°F	311	36	74	2.1*	map	table
Extreme high events Days with TMIN>=31°F	365	47	79	1.7*	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	4869 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"	913	0.09"	-0.33	102	207	2.0*	map	table
Extreme events Days with PRCP>0.13"	170	0.23"	-0.24	18	34	1.9*	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"	913	0.09"	-0.50	81	246	3.0*	map	table
Extreme events Days with PRCP>0.13"	170	0.23"	-0.45	17	37	2.2*	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"	913	0.09"	108	174	1.6*	map	table
Extreme events Days with PRCP>0.13"	170	0.23"	17	31	1.8	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	4641 by year	0.20"		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"	664	1.37"	-0.37	78	164	2.1*	map	table
Extreme events Days with SNOW>2.0"	97	3.62"	-0.29	12	18	1.5	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"	664	1.37"	-0.62	48	199	4.1*	map	table
Extreme events Days with SNOW>2.0"	97	3.62"	-0.65	7	26	3.7*	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"	664	1.37"	91	134	1.5*	map	table
Extreme events Days with SNOW>2.0"	97	3.62"	8	24	3.0*	map	table

SNOW under 2 index extremes Help

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