PORCUPINE 11 N, SD - COOP Northern Plains station 396736

396736 - PORCUPINE 11 N, South Dakota

Latitude
43° 24´N

Longitude
102° 23´W

Elevation
860 meters

COOP Northern Plains

10 nearest COOP Northern Plains stations

10 mi	SSW :	MANDERSON 3 NE, SD
10 mi	WNW :	ROCKYFORD 5 SW, SD
10 mi	E :	KYLE, SD
24 mi	SW :	OGLALA, SD
27 mi	NNW :	SCENIC, SD
28 mi	SSW :	PINE RIDGE, SD
30 mi	NE :	INTERIOR, SD
32 mi	NE :	INTERIOR 3 NE, SD
34 mi	NNE :	THE PINNACLES RANGER STA, SD
36 mi	SSE :	GORDON 6 N, NE

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

	Total observations	%	NDJFM observations	%
TMAX	12181	66.7%	5026	66.5%
TMIN	12179	66.7%	5026	66.5%
PRCP	12195	66.8%	5010	66.2%
SNOW	11942	65.4%	4742	62.7%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	5026 by year	41.5°F	16.1°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>=65°F	347	0.42	74	26	2.8*	map	table
Extreme low events Days with TMAX<=15°F	357	-0.36	46	104	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>=65°F	347	0.19	68	42	1.6*	map	table
Extreme low events Days with TMAX<=15°F	357	-0.52	32	107	3.3*	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>=65°F	347	63	38	1.7*	map	table
Extreme low events Days with TMAX<=15°F	357	52	30	1.7*	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	5026 by year	14.9°F	14.2°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<=-10°F	352	-0.25	46	85	1.8*	map	table
Extreme high events Days with TMIN>=33°F	373	0.41	84	33	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<=-10°F	352	-0.44	35	112	3.2*	map	table
Extreme high events Days with TMIN>=33°F	373	0.10	51	41	1.2	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<=-10°F	352	51	26	2.0*	map	table
Extreme high events Days with TMIN>=33°F	373	66	46	1.4	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	5010 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"	617	0.14"	-0.02	111	107	1.0	map	table
Extreme events Days with PRCP>0.22"	119	0.43"	0.08	27	20	1.4	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"	617	0.14"	-0.18	76	115	1.5*	map	table
Extreme events Days with PRCP>0.22"	119	0.43"	-0.23	17	25	1.5	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"	617	0.14"	129	47	2.7*	map	table
Extreme events Days with PRCP>0.22"	119	0.43"	27	11	2.5*	map	table

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SNOW Help top of page

SNOW	observations	mean		Distribution	during extreme days of
NDJFM	4742 by year	0.17"		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"	426	1.95"	-0.09	73	83	1.1	map	table
Extreme events Days with SNOW>3.0"	77	4.99"	-0.11	12	15	1.2	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"	426	1.95"	-0.36	41	96	2.3*	map	table
Extreme events Days with SNOW>3.0"	77	4.99"	-0.41	9	19	2.1	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"	426	1.95"	82	32	2.6*	map	table
Extreme events Days with SNOW>3.0"	77	4.99"	20	7	2.9*	map	table

SNOW under 2 index extremes Help

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