ORMAN, SD - COOP Northern Plains station 396357

396357 - ORMAN, South Dakota

Latitude
44° 44´N

Longitude
103° 40´W

Elevation
894 meters

COOP Northern Plains

10 nearest COOP Northern Plains stations

10 mi	WSW :	BELLE FOURCHE, SD
12 mi	E :	NEWELL, SD
14 mi	S :	SAINT ONGE 2 S, SD
15 mi	ESE :	VALE, SD
16 mi	NNW :	BELLE FOURCHE 20 NNE, SD
16 mi	NNW :	BELLE FOURCHE 20 NNE, SD
18 mi	SSW :	SPEARFISH, SD
18 mi	SSW :	SPEARFISH AP, SD
21 mi	SW :	SPEARFISH 9 WNW, SD
22 mi	NW :	BELLE FOURCHE 22 NNW, SD

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

	Total observations	%	NDJFM observations	%
TMAX	9535	52.2%	3941	52.1%
TMIN	9385	51.4%	3872	51.2%
PRCP	9612	52.6%	3958	52.3%
SNOW	9601	52.6%	3954	52.3%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	3941 by year	40.0°F	15.5°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>=62°F	263	0.04	31	20	1.6	map	table
Extreme low events Days with TMAX<=15°F	304	-0.68	47	118	2.5*	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	263	0.28	55	19	2.9*	map	table
Extreme low events Days with TMAX<=15°F	304	-0.92	16	124	7.8*	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	263	29	59	2.0*	map	table
Extreme low events Days with TMAX<=15°F	304	56	76	1.4	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	3872 by year	14.8°F	14.0°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<=-10°F	264	-0.39	47	81	1.7*	map	table
Extreme high events Days with TMIN>=33°F	271	0.17	38	24	1.6	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	264	-1.03	11	123	11.2*	map	table
Extreme high events Days with TMIN>=33°F	271	0.50	72	21	3.4*	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	264	39	66	1.7*	map	table
Extreme high events Days with TMIN>=33°F	271	39	72	1.8*	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	3958 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"	762	0.08"	-0.35	79	178	2.3*	map	table
Extreme events Days with PRCP>0.12"	141	0.23"	-0.25	8	25	3.1*	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"	762	0.08"	-0.27	85	149	1.8*	map	table
Extreme events Days with PRCP>0.12"	141	0.23"	-0.26	14	20	1.4	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"	762	0.08"	116	174	1.5*	map	table
Extreme events Days with PRCP>0.12"	141	0.23"	22	40	1.8	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	3954 by year	0.18"		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"	593	1.22"	-0.41	61	148	2.4*	map	table
Extreme events Days with SNOW>2.0"	81	4.01"	-0.42	2	15	7.5*	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"	593	1.22"	-0.40	61	136	2.2*	map	table
Extreme events Days with SNOW>2.0"	81	4.01"	-0.19	11	11	1.0	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"	593	1.22"	91	147	1.6*	map	table
Extreme events Days with SNOW>2.0"	81	4.01"	13	21	1.6	map	table

SNOW under 2 index extremes Help

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