CIRCLE, MT - COOP Northwest station 241758

241758 - CIRCLE, Montana

Latitude
47° 25´N

Longitude
105° 35´W

Elevation
744 meters

10 nearest COOP Northwest stations

4 mi	N :	CIRCLE 7 N, MT
9 mi	SW :	BROCKWAY 3 WSW, MT
14 mi	ESE :	LINDSAY, MT
15 mi	S :	TERRY 21 NNW, MT
17 mi	ENE :	RICHEY, MT
20 mi	N :	VIDA 6 NE, MT
37 mi	E :	BLOOMFIELD, MT
39 mi	E :	BLOOMFIELD 9 NNE, MT
41 mi	E :	BLOOMFIELD 6 E, MT
43 mi	W :	JORDAN 22 E VAN NORMAN, MT

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

	Total observations	%	NDJFM observations	%
TMAX	12299	67.3%	5093	67.3%
TMIN	12292	67.3%	5083	67.2%
PRCP	12351	67.6%	5102	67.5%
SNOW	11866	65.0%	4703	62.2%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	5093 by year	34.0°F	16.8°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>=57°F	371	0.45	83	28	3.0*	map	table
Extreme low events Days with TMAX<=5°F	361	-0.32	53	101	1.9*	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>=57°F	371	0.45	87	26	3.3*	map	table
Extreme low events Days with TMAX<=5°F	361	-0.79	25	142	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>=57°F	371	78	32	2.4*	map	table
Extreme low events Days with TMAX<=5°F	361	45	45	1.0	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	5083 by year	11.5°F	16.2°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<=-18°F	343	-0.34	44	94	2.1*	map	table
Extreme high events Days with TMIN>=31°F	420	0.52	97	29	3.3*	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	343	-0.73	25	129	5.2*	map	table
Extreme high events Days with TMIN>=31°F	420	0.39	86	21	4.1*	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<=-18°F	343	40	41	1.0	map	table
Extreme high events Days with TMIN>=31°F	420	100	47	2.1*	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	5102 by year	0.01"		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"	784	0.10"	-0.10	121	149	1.2	map	table
Extreme events Days with PRCP>0.14"	142	0.27"	-0.00	27	24	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"	784	0.10"	-0.32	90	178	2.0*	map	table
Extreme events Days with PRCP>0.14"	142	0.27"	-0.42	13	34	2.6*	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"	784	0.10"	129	119	1.1	map	table
Extreme events Days with PRCP>0.14"	142	0.27"	24	18	1.3	map	table

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SNOW Help top of page

SNOW	observations	mean		Distribution	during extreme days of
NDJFM	4703 by year	0.16"		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"	453	1.70"	-0.31	61	110	1.8*	map	table
Extreme events Days with SNOW>2.5"	90	3.92"	-0.29	14	21	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"	453	1.70"	-0.42	44	115	2.6*	map	table
Extreme events Days with SNOW>2.5"	90	3.92"	-0.45	6	22	3.7*	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"	453	1.70"	64	71	1.1	map	table
Extreme events Days with SNOW>2.5"	90	3.92"	16	15	1.1	map	table

SNOW under 2 index extremes Help

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