HAMILTON, MT - COOP Northwest station 243885

243885 - HAMILTON, Montana

Latitude
46° 14´N

Longitude
114° 10´W

Elevation
1076 meters

10 nearest COOP Northwest stations

4 mi	NNE :	WESTERN AG RESEARCH CNTR, MT
9 mi	S :	DARBY, MT
12 mi	NNE :	STEVENSVILLE, MT
20 mi	NW :	POWELL, ID
21 mi	W :	MOOSE CREEK RANCH, ID
22 mi	W :	MOOSE CREEK RANGER STN, ID
24 mi	NNW :	LOLO HOT SPRINGS 2 NE, MT
27 mi	N :	MISSOULA 2 WNW, MT
28 mi	N :	MISSOULA JOHNSON-BELL FLD, MT
37 mi	NE :	MISSOULA 2 NE, MT

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

	Total observations	%	NDJFM observations	%
TMAX	18258	100.0%	7561	100.0%
TMIN	18257	100.0%	7561	100.0%
PRCP	18261	100.0%	7561	100.0%
SNOW	11789	64.6%	3338	44.1%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7561 by year	40.7°F	12.5°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	537	0.26	106	54	2.0*	map	table
Extreme low events Days with TMAX<=20°F	517	0.07	122	113	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>=58°F	537	0.59	149	22	6.8*	map	table
Extreme low events Days with TMAX<=20°F	517	-0.74	34	193	5.7*	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	537	105	74	1.4*	map	table
Extreme low events Days with TMAX<=20°F	517	55	84	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	7561 by year	21.2°F	12.2°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<=0°F	529	0.13	130	106	1.2	map	table
Extreme high events Days with TMIN>=36°F	507	0.08	85	71	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<=0°F	529	-0.80	23	197	8.6*	map	table
Extreme high events Days with TMIN>=36°F	507	0.23	90	37	2.4*	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<=0°F	529	66	80	1.2	map	table
Extreme high events Days with TMIN>=36°F	507	65	88	1.4	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	7561 by year	0.03"		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"	2385	0.11"	0.04	412	376	1.1	map	table
Extreme events Days with PRCP>0.16"	456	0.33"	0.03	67	72	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"	2385	0.11"	-0.32	241	543	2.3*	map	table
Extreme events Days with PRCP>0.16"	456	0.33"	-0.47	32	108	3.4*	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"	2385	0.11"	357	411	1.2*	map	table
Extreme events Days with PRCP>0.16"	456	0.33"	63	94	1.5*	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	3338 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"	291	1.91"	0.08	66	54	1.2	map	table
Extreme events Days with SNOW>3.0"	45	5.35"	0.12	14	9	1.6	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"	291	1.91"	-1.08	8	134	16.8*	map	table
Extreme events Days with SNOW>3.0"	45	5.35"	-1.24	0	23	Inf*	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"	291	1.91"	6	103	17.2*	map	table
Extreme events Days with SNOW>3.0"	45	5.35"	0	17	Inf*	map	table

SNOW under 2 index extremes Help

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