PLEVNA, MT - COOP Northwest station 246601

246601 - PLEVNA, Montana

Latitude
46° 25´N

Longitude
104° 31´W

Elevation
847 meters

10 nearest COOP Northwest stations

7 mi	ESE :	BAKER 1 E, MT
9 mi	WNW :	ISMAY, MT
13 mi	SSW :	MAC KENZIE, MT
15 mi	NNE :	CARLYLE 12 NW, MT
17 mi	NW :	MILDRED, MT
18 mi	SSE :	WEBSTER 3 E, MT
19 mi	NW :	MILDRED 5 N, MT
26 mi	NNE :	WIBAUX 2 E, MT
42 mi	W :	MIZPAH 4 NNW, MT
44 mi	WNW :	TERRY, MT

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

	Total observations	%	NDJFM observations	%
TMAX	17513	95.9%	7328	96.9%
TMIN	17467	95.6%	7244	95.8%
PRCP	17713	97.0%	7175	94.9%
SNOW	16085	88.1%	6035	79.8%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7328 by year	35.7°F	16.1°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>=58°F	540	0.32	98	47	2.1*	map	table
Extreme low events Days with TMAX<=9°F	512	-0.46	69	157	2.3*	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>=58°F	540	0.37	116	34	3.4*	map	table
Extreme low events Days with TMAX<=9°F	512	-0.81	30	198	6.6*	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>=58°F	540	81	80	1.0	map	table
Extreme low events Days with TMAX<=9°F	512	45	93	2.1*	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7244 by year	10.2°F	15.6°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<=-18°F	487	-0.20	87	122	1.4	map	table
Extreme high events Days with TMIN>=30°F	534	0.34	110	48	2.3*	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<=-18°F	487	-0.90	25	202	8.1*	map	table
Extreme high events Days with TMIN>=30°F	534	0.22	92	41	2.2*	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<=-18°F	487	33	98	3.0*	map	table
Extreme high events Days with TMIN>=30°F	534	83	75	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	7175 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"	817	0.14"	-0.00	143	143	1.0	map	table
Extreme events Days with PRCP>0.21"	160	0.36"	0.02	29	31	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"	817	0.14"	-0.15	104	139	1.3*	map	table
Extreme events Days with PRCP>0.21"	160	0.36"	-0.19	15	24	1.6	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"	817	0.14"	136	104	1.3*	map	table
Extreme events Days with PRCP>0.21"	160	0.36"	28	20	1.4	map	table

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SNOW Help top of page

SNOW	observations	mean		Distribution	during extreme days of
NDJFM	6035 by year	0.13"		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"	444	1.82"	-0.13	73	94	1.3	map	table
Extreme events Days with SNOW>3.0"	57	5.38"	-0.04	12	13	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"	444	1.82"	-0.27	51	94	1.8*	map	table
Extreme events Days with SNOW>3.0"	57	5.38"	-0.54	3	14	4.7*	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"	444	1.82"	79	49	1.6*	map	table
Extreme events Days with SNOW>3.0"	57	5.38"	11	8	1.4	map	table

SNOW under 2 index extremes Help

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