SPEARFISH, SD - COOP Northern Plains station 397882_99999

397882_99999 - SPEARFISH, South Dakota

Latitude
44° 31´N

Longitude
103° 52´W

Elevation
1110 meters

COOP Northern Plains

10 nearest COOP Northern Plains stations

5 mi	ESE :	SPEARFISH AP, SD
7 mi	E :	SAINT ONGE 2 S, SD
8 mi	WNW :	SPEARFISH 9 WNW, SD
10 mi	N :	BELLE FOURCHE, SD
12 mi	SSE :	DEADWOOD, SD
13 mi	SSE :	LEAD, SD
14 mi	SSW :	SPEARFISH RANGER STN, SD
16 mi	SSE :	LEAD 6 SSW, SD
18 mi	NNE :	ORMAN, SD
19 mi	SSE :	DUMONT 2 ENE, SD

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

	Total observations	%	NDJFM observations	%
TMAX	12595	69.0%	5156	68.2%
TMIN	12596	69.0%	5171	68.4%
PRCP	12625	69.1%	5172	68.4%
SNOW	11799	64.6%	4457	58.9%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	5156 by year	40.6°F	15.7°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>=62°F	386	0.42	85	30	2.8*	map	table
Extreme low events Days with TMAX<=14°F	362	-0.46	37	116	3.1*	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>=62°F	386	0.21	70	41	1.7*	map	table
Extreme low events Days with TMAX<=14°F	362	-0.60	31	117	3.8*	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>=62°F	386	73	44	1.7*	map	table
Extreme low events Days with TMAX<=14°F	362	47	37	1.3	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	5171 by year	18.5°F	14.3°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<=-6°F	386	-0.43	48	121	2.5*	map	table
Extreme high events Days with TMIN>=37°F	356	0.47	88	31	2.8*	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<=-6°F	386	-0.63	39	136	3.5*	map	table
Extreme high events Days with TMIN>=37°F	356	0.29	73	32	2.3*	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<=-6°F	386	49	34	1.4	map	table
Extreme high events Days with TMIN>=37°F	356	66	54	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	5172 by year	0.03"		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"	1147	0.13"	-0.09	171	196	1.1	map	table
Extreme events Days with PRCP>0.20"	202	0.43"	-0.20	24	38	1.6	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"	1147	0.13"	-0.12	168	198	1.2	map	table
Extreme events Days with PRCP>0.20"	202	0.43"	-0.01	35	27	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"	1147	0.13"	185	153	1.2	map	table
Extreme events Days with PRCP>0.20"	202	0.43"	41	25	1.6	map	table

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SNOW Help top of page

SNOW	observations	mean		Distribution	during extreme days of
NDJFM	4457 by year	0.33"		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"	826	1.79"	-0.08	126	142	1.1	map	table
Extreme events Days with SNOW>2.5"	153	5.03"	-0.24	18	31	1.7	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"	826	1.79"	-0.29	96	174	1.8*	map	table
Extreme events Days with SNOW>2.5"	153	5.03"	-0.18	17	25	1.5	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"	826	1.79"	104	129	1.2	map	table
Extreme events Days with SNOW>2.5"	153	5.03"	27	21	1.3	map	table

SNOW under 2 index extremes Help

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