LUDLOW 3 SSE, SD - COOP Northern Plains station 395048

395048 - LUDLOW 3 SSE, South Dakota

Latitude
45° 47´N

Longitude
103° 22´W

Elevation
911 meters

COOP Northern Plains

10 nearest COOP Northern Plains stations

14 mi	E :	RALPH 1 N, SD
15 mi	SW :	BUFFALO, SD
17 mi	NE :	HALEY, ND
18 mi	N :	BOWMAN 11 SE, ND
19 mi	S :	ANTELOPE RANGE STATION, SD
21 mi	SE :	REVA, SD
25 mi	W :	LADNER 9 SW, SD
26 mi	ENE :	LODGEPOLE 10 NW, SD
26 mi	ENE :	LODGEPOLE 10 NW, SD
27 mi	NNE :	SCRANTON, ND

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

	Total observations	%	NDJFM observations	%
TMAX	18174	99.5%	7531	99.6%
TMIN	18141	99.3%	7517	99.4%
PRCP	18086	99.0%	7392	97.7%
SNOW	15506	84.9%	5376	71.1%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7531 by year	34.5°F	16.5°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	514	0.33	98	36	2.7*	map	table
Extreme low events Days with TMAX<=7°F	536	-0.46	77	175	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>=58°F	514	0.40	124	34	3.6*	map	table
Extreme low events Days with TMAX<=7°F	536	-0.81	36	203	5.6*	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	514	87	88	1.0	map	table
Extreme low events Days with TMAX<=7°F	536	49	87	1.8*	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7517 by year	12.9°F	15.0°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<=-13°F	538	-0.41	72	157	2.2*	map	table
Extreme high events Days with TMIN>=32°F	575	0.34	110	51	2.2*	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<=-13°F	538	-0.76	45	214	4.8*	map	table
Extreme high events Days with TMIN>=32°F	575	0.50	140	33	4.2*	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<=-13°F	538	50	72	1.4*	map	table
Extreme high events Days with TMIN>=32°F	575	96	91	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	7392 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"	851	0.13"	-0.09	121	153	1.3	map	table
Extreme events Days with PRCP>0.20"	132	0.38"	-0.17	14	26	1.9	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"	851	0.13"	-0.27	103	169	1.6*	map	table
Extreme events Days with PRCP>0.20"	132	0.38"	-0.16	16	21	1.3	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"	851	0.13"	114	134	1.2	map	table
Extreme events Days with PRCP>0.20"	132	0.38"	25	18	1.4	map	table

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SNOW Help top of page

SNOW	observations	mean		Distribution	during extreme days of
NDJFM	5376 by year	0.14"		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"	311	2.35"	-0.36	36	71	2.0*	map	table
Extreme events Days with SNOW>3.0"	57	5.68"	-0.40	4	12	3.0	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"	311	2.35"	-0.28	41	66	1.6*	map	table
Extreme events Days with SNOW>3.0"	57	5.68"	-0.18	7	8	1.1	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"	311	2.35"	58	40	1.4	map	table
Extreme events Days with SNOW>3.0"	57	5.68"	8	6	1.3	map	table

SNOW under 2 index extremes Help

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