BALLANTINE, MT - COOP Northwest station 240432

240432 - BALLANTINE, Montana

Latitude
45° 57´N

Longitude
108° 8´W

Elevation
915 meters

10 nearest COOP Northwest stations

3 mi	WSW :	HUNTLEY EXPERIMENT STN, MT
13 mi	SW :	BILLINGS WATER PLANT, MT
14 mi	WSW :	BILLINGS LOGAN INT'L ARPT, MT
23 mi	WSW :	LAUREL 3 WSW, MT
24 mi	SSW :	PRYOR, MT
25 mi	WSW :	MOLT 6 SW, MT
27 mi	SW :	EDGAR 6 E, MT
29 mi	SW :	EDGAR 9 SE, MT
30 mi	S :	PRYOR 18 SE DRYHEAD R, MT
31 mi	SW :	JOLIET, MT

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

	Total observations	%	NDJFM observations	%
TMAX	15376	84.2%	6352	84.0%
TMIN	15394	84.3%	6353	84.0%
PRCP	15604	85.4%	6440	85.2%
SNOW	9684	53.0%	2953	39.0%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	6352 by year	40.9°F	15.8°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	453	0.26	77	34	2.3*	map	table
Extreme low events Days with TMAX<=13°F	429	-0.46	61	137	2.2*	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	453	0.55	120	22	5.5*	map	table
Extreme low events Days with TMAX<=13°F	429	-1.06	19	196	10.3*	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	453	55	84	1.5*	map	table
Extreme low events Days with TMAX<=13°F	429	54	85	1.6*	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	6353 by year	14.9°F	14.5°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<=-11°F	441	-0.30	74	123	1.7*	map	table
Extreme high events Days with TMIN>=32°F	472	0.15	72	60	1.2	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<=-11°F	441	-1.10	17	215	12.6*	map	table
Extreme high events Days with TMIN>=32°F	472	0.43	107	35	3.1*	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<=-11°F	441	43	93	2.2*	map	table
Extreme high events Days with TMIN>=32°F	472	49	114	2.3*	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	6440 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"	1084	0.12"	-0.19	159	231	1.5*	map	table
Extreme events Days with PRCP>0.20"	198	0.34"	-0.03	37	39	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"	1084	0.12"	-0.39	118	268	2.3*	map	table
Extreme events Days with PRCP>0.20"	198	0.34"	-0.45	20	47	2.4*	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"	1084	0.12"	145	210	1.4*	map	table
Extreme events Days with PRCP>0.20"	198	0.34"	25	40	1.6	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	2953 by year	0.24"		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"	392	1.83"	-0.01	83	86	1.0	map	table
Extreme events Days with SNOW>3.0"	58	5.07"	0.11	16	12	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"	392	1.83"	-0.80	22	140	6.4*	map	table
Extreme events Days with SNOW>3.0"	58	5.07"	-0.73	3	17	5.7*	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"	392	1.83"	21	137	6.5*	map	table
Extreme events Days with SNOW>3.0"	58	5.07"	1	23	23.0*	map	table

SNOW under 2 index extremes Help

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