BIRNEY, MT - COOP Northwest station 240819

240819 - BIRNEY, Montana

Latitude
45° 19´N

Longitude
106° 31´W

Elevation
963 meters

10 nearest COOP Northwest stations

5 mi	ESE :	BIRNEY 7 E, MT
7 mi	E :	ASHLAND 17 S, MT
8 mi	E :	BIRNEY 11 E, MT
9 mi	N :	BIRNEY 15 N, MT
12 mi	SE :	OTTER 9 SSW, MT
13 mi	SW :	DECKER 4 NNE, MT
13 mi	NNW :	LAME DEER, MT
14 mi	W :	KIRBY 1 S, MT
14 mi	NNE :	ASHLAND RANGER STN, MT
16 mi	NW :	BUSBY, MT

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

	Total observations	%	NDJFM observations	%
TMAX	15119	82.8%	6268	82.9%
TMIN	15126	82.8%	6249	82.6%
PRCP	15065	82.5%	6145	81.3%
SNOW	13850	75.8%	5186	68.6%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	6268 by year	40.6°F	14.8°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>=62°F	418	0.33	82	30	2.7*	map	table
Extreme low events Days with TMAX<=15°F	444	-0.53	66	154	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>=62°F	418	0.59	127	23	5.5*	map	table
Extreme low events Days with TMAX<=15°F	444	-0.83	26	167	6.4*	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>=62°F	418	87	50	1.7*	map	table
Extreme low events Days with TMAX<=15°F	444	50	57	1.1	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	6249 by year	12.5°F	14.4°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<=-12°F	454	-0.39	64	129	2.0*	map	table
Extreme high events Days with TMIN>=30°F	514	0.22	90	58	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<=-12°F	454	-0.78	25	165	6.6*	map	table
Extreme high events Days with TMIN>=30°F	514	0.39	108	38	2.8*	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<=-12°F	454	53	56	1.1	map	table
Extreme high events Days with TMIN>=30°F	514	99	49	2.0*	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	6145 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"	1060	0.10"	-0.17	151	222	1.5*	map	table
Extreme events Days with PRCP>0.15"	203	0.29"	-0.07	27	35	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"	1060	0.10"	-0.23	125	208	1.7*	map	table
Extreme events Days with PRCP>0.15"	203	0.29"	-0.21	20	29	1.4	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"	1060	0.10"	147	140	1.1	map	table
Extreme events Days with PRCP>0.15"	203	0.29"	33	28	1.2	map	table

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SNOW Help top of page

SNOW	observations	mean		Distribution	during extreme days of
NDJFM	5186 by year	0.17"		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"	483	1.80"	-0.24	78	109	1.4	map	table
Extreme events Days with SNOW>3.0"	68	4.95"	-0.16	9	16	1.8	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"	483	1.80"	-0.27	63	110	1.7*	map	table
Extreme events Days with SNOW>3.0"	68	4.95"	-0.50	8	17	2.1	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"	483	1.80"	62	66	1.1	map	table
Extreme events Days with SNOW>3.0"	68	4.95"	11	12	1.1	map	table

SNOW under 2 index extremes Help

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