BELLE FOURCHE, SD - COOP Northern Plains station 390559

390559 - BELLE FOURCHE, South Dakota

Latitude
44° 40´N

Longitude
103° 51´W

Elevation
921 meters

COOP Northern Plains

10 nearest COOP Northern Plains stations

10 mi	ENE :	ORMAN, SD
10 mi	S :	SPEARFISH, SD
11 mi	SE :	SAINT ONGE 2 S, SD
11 mi	SW :	SPEARFISH 9 WNW, SD
13 mi	SSE :	SPEARFISH AP, SD
20 mi	NNE :	BELLE FOURCHE 20 NNE, SD
20 mi	NNE :	BELLE FOURCHE 20 NNE, SD
21 mi	SSE :	DEADWOOD, SD
22 mi	E :	NEWELL, SD
22 mi	N :	BELLE FOURCHE 22 NNW, SD

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

	Total observations	%	NDJFM observations	%
TMAX	17747	97.2%	7313	96.7%
TMIN	17777	97.3%	7383	97.6%
PRCP	17821	97.6%	7376	97.5%
SNOW	17336	94.9%	6972	92.2%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7313 by year	41.1°F	16.0°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>=63°F	542	0.33	101	42	2.4*	map	table
Extreme low events Days with TMAX<=14°F	501	-0.35	80	148	1.8*	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>=63°F	542	0.28	110	44	2.5*	map	table
Extreme low events Days with TMAX<=14°F	501	-0.80	33	195	5.9*	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>=63°F	542	80	90	1.1	map	table
Extreme low events Days with TMAX<=14°F	501	57	86	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	7383 by year	15.2°F	14.1°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<=-9°F	550	-0.27	86	141	1.6*	map	table
Extreme high events Days with TMIN>=33°F	560	0.35	114	46	2.5*	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<=-9°F	550	-0.75	45	212	4.7*	map	table
Extreme high events Days with TMIN>=33°F	560	0.24	107	65	1.6*	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<=-9°F	550	54	96	1.8*	map	table
Extreme high events Days with TMIN>=33°F	560	99	101	1.0	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	7376 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"	1327	0.10"	-0.11	193	241	1.2*	map	table
Extreme events Days with PRCP>0.13"	265	0.30"	-0.07	34	41	1.2	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"	1327	0.10"	-0.23	160	256	1.6*	map	table
Extreme events Days with PRCP>0.13"	265	0.30"	-0.24	35	47	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"	1327	0.10"	204	231	1.1	map	table
Extreme events Days with PRCP>0.13"	265	0.30"	49	40	1.2	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	6972 by year	0.19"		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"	786	1.71"	-0.23	105	160	1.5*	map	table
Extreme events Days with SNOW>2.5"	148	4.68"	0.04	23	22	1.0	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"	786	1.71"	-0.43	79	199	2.5*	map	table
Extreme events Days with SNOW>2.5"	148	4.68"	-0.35	13	31	2.4*	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"	786	1.71"	113	144	1.3	map	table
Extreme events Days with SNOW>2.5"	148	4.68"	20	29	1.4	map	table

SNOW under 2 index extremes Help

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