BIG SANDY, MT - COOP Northwest station 240770

240770 - BIG SANDY, Montana

Latitude
48° 8´N

Longitude
110° 4´W

Elevation
844 meters

10 nearest COOP Northwest stations

6 mi	NW :	LONESOME LAKE, MT
16 mi	N :	KREMLIN, MT
19 mi	NNW :	GILDFORD, MT
20 mi	NNW :	HINGHAM, MT
23 mi	WNW :	TIBER LAKE, MT
26 mi	NW :	JOPLIN, MT
27 mi	E :	ROCKY BOY, MT
27 mi	N :	HAVRE 22 NW, MT
27 mi	NNW :	HINGHAM 11 N, MT
29 mi	WNW :	CHESTER, MT

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

	Total observations	%	NDJFM observations	%
TMAX	17319	94.8%	7157	94.6%
TMIN	17375	95.1%	7180	94.9%
PRCP	17282	94.6%	7030	93.0%
SNOW	12348	67.6%	3928	51.9%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7157 by year	36.8°F	17.8°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>=60°F	482	0.31	91	36	2.5*	map	table
Extreme low events Days with TMAX<=5°F	501	-0.48	67	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>=60°F	482	0.75	153	15	10.2*	map	table
Extreme low events Days with TMAX<=5°F	501	-1.16	18	248	13.8*	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>=60°F	482	94	77	1.2	map	table
Extreme low events Days with TMAX<=5°F	501	54	95	1.8*	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7180 by year	11.7°F	17.0°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	493	-0.37	77	142	1.8*	map	table
Extreme high events Days with TMIN>=33°F	480	0.34	93	40	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	493	-1.05	18	227	12.6*	map	table
Extreme high events Days with TMIN>=33°F	480	0.40	98	28	3.5*	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	493	42	91	2.2*	map	table
Extreme high events Days with TMIN>=33°F	480	77	85	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	7030 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"	841	0.13"	-0.09	121	148	1.2	map	table
Extreme events Days with PRCP>0.20"	158	0.36"	-0.25	15	33	2.2*	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"	841	0.13"	-0.37	91	211	2.3*	map	table
Extreme events Days with PRCP>0.20"	158	0.36"	-0.37	13	31	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"	841	0.13"	135	141	1.0	map	table
Extreme events Days with PRCP>0.20"	158	0.36"	17	16	1.1	map	table

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SNOW Help top of page

SNOW	observations	mean		Distribution	during extreme days of
NDJFM	3928 by year	0.11"		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"	179	2.37"	-0.05	33	35	1.1	map	table
Extreme events Days with SNOW>4.0"	19	6.71"	0.11	3	2	1.5	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"	179	2.37"	-0.41	14	36	2.6*	map	table
Extreme events Days with SNOW>4.0"	19	6.71"	0.08	3	1	3.0	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"	179	2.37"	41	8	5.1*	map	table
Extreme events Days with SNOW>4.0"	19	6.71"	1	2	2.0	map	table

SNOW under 2 index extremes Help

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