HAVRE CITY-COUNTY ARPT, MT - COOP Northwest station 243996

243996 - HAVRE CITY-COUNTY ARPT, Montana

Latitude
48° 33´N

Longitude
109° 46´W

Elevation
788 meters

10 nearest COOP Northwest stations

2 mi	SSW :	FORT ASSINNIBOINE, MT
3 mi	ENE :	HAVRE, MT
9 mi	NNE :	HAVRE 14 N, MT
12 mi	S :	ROCKY BOY, MT
15 mi	E :	CHINOOK, MT
15 mi	SE :	LLOYD, MT
17 mi	NE :	CHINOOK 15 N, MT
20 mi	S :	WARRICK 2 NW, MT
21 mi	SE :	CLEVELAND, MT
22 mi	ESE :	CLEVELAND 5 ENE, MT

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

	Total observations	%	NDJFM observations	%
TMAX	13328	73.0%	5534	73.2%
TMIN	13326	73.0%	5532	73.1%
PRCP	13325	73.0%	5530	73.1%
SNOW	13312	72.9%	5517	72.9%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	5534 by year	33.9°F	18.6°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	383	0.48	96	25	3.8*	map	table
Extreme low events Days with TMAX<=1°F	383	-0.50	51	129	2.5*	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	383	0.66	108	15	7.2*	map	table
Extreme low events Days with TMAX<=1°F	383	-1.07	14	168	12.0*	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	383	80	33	2.4*	map	table
Extreme low events Days with TMAX<=1°F	383	53	34	1.6*	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	5532 by year	11.7°F	17.4°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<=-19°F	374	-0.44	49	115	2.3*	map	table
Extreme high events Days with TMIN>=33°F	427	0.54	121	32	3.8*	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<=-19°F	374	-0.96	15	153	10.2*	map	table
Extreme high events Days with TMIN>=33°F	427	0.54	105	23	4.6*	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<=-19°F	374	40	34	1.2	map	table
Extreme high events Days with TMIN>=33°F	427	70	56	1.2	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	5530 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"	1259	0.07"	-0.08	195	242	1.2*	map	table
Extreme events Days with PRCP>0.11"	230	0.21"	-0.17	32	47	1.5	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"	1259	0.07"	-0.34	147	302	2.1*	map	table
Extreme events Days with PRCP>0.11"	230	0.21"	-0.40	23	57	2.5*	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"	1259	0.07"	204	154	1.3*	map	table
Extreme events Days with PRCP>0.11"	230	0.21"	36	34	1.1	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	5517 by year	0.23"		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"	1234	1.02"	-0.13	192	254	1.3*	map	table
Extreme events Days with SNOW>1.6"	232	3.11"	-0.19	36	49	1.4	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"	1234	1.02"	-0.49	112	340	3.0*	map	table
Extreme events Days with SNOW>1.6"	232	3.11"	-0.53	21	66	3.1*	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"	1234	1.02"	197	155	1.3*	map	table
Extreme events Days with SNOW>1.6"	232	3.11"	34	35	1.0	map	table

SNOW under 2 index extremes Help

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