HARROLD 12 SSW, SD - COOP Northern Plains station 393608

393608 - HARROLD 12 SSW, South Dakota

Latitude
44° 22´N

Longitude
99° 48´W

Elevation
549 meters

COOP Northern Plains

10 nearest COOP Northern Plains stations

14 mi	NW :	BLUNT, SD
19 mi	ESE :	STEPHAN 1 ENE, SD
19 mi	ENE :	HIGHMORE 1 W, SD
24 mi	W :	PIERRE MUNICIPAL AP, SD
26 mi	SE :	BIG BEND DAM, SD
26 mi	SE :	LAKE SHARPE PROJECT, SD
30 mi	SE :	FORT THOMPSON 3 E, SD
31 mi	NW :	ONIDA 4 NW, SD
31 mi	ENE :	REE HEIGHTS 5 NNW, SD
31 mi	W :	OAHE DAM, SD

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

	Total observations	%	NDJFM observations	%
TMAX	11562	63.3%	4630	61.2%
TMIN	11548	63.2%	4650	61.5%
PRCP	11619	63.6%	4649	61.5%
SNOW	11605	63.5%	4586	60.6%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	4630 by year	35.9°F	16.8°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>=61°F	309	0.49	71	27	2.6*	map	table
Extreme low events Days with TMAX<=9°F	322	-0.53	44	110	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>=61°F	309	0.17	56	35	1.6*	map	table
Extreme low events Days with TMAX<=9°F	322	-0.51	32	104	3.2*	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>=61°F	309	52	45	1.2	map	table
Extreme low events Days with TMAX<=9°F	322	44	46	1.0	map	table

TMAX under 2 index extremes Help

Maps - choose one extreme:

TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	4650 by year	10.9°F	15.1°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<=-15°F	338	-0.26	58	85	1.5	map	table
Extreme high events Days with TMIN>=30°F	366	0.38	82	31	2.6*	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<=-15°F	338	-0.33	47	101	2.1*	map	table
Extreme high events Days with TMIN>=30°F	366	0.03	45	42	1.1	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<=-15°F	338	39	46	1.2	map	table
Extreme high events Days with TMIN>=30°F	366	101	47	2.1*	map	table

TMIN under 2 index extremes Help

Maps - choose one extreme:

PRCP (total liquid water equivalent) Help top of page

PRCP	observations	mean		Distribution	during extreme days of
NDJFM	4649 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"	667	0.14"	-0.10	107	127	1.2	map	table
Extreme events Days with PRCP>0.20"	125	0.45"	0.04	18	21	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"	667	0.14"	-0.26	66	127	1.9*	map	table
Extreme events Days with PRCP>0.20"	125	0.45"	-0.37	10	33	3.3*	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"	667	0.14"	138	93	1.5*	map	table
Extreme events Days with PRCP>0.20"	125	0.45"	36	16	2.2*	map	table

PRCP under 2 index extremes Help

Maps - choose one extreme:

SNOW Help top of page

SNOW	observations	mean		Distribution	during extreme days of
NDJFM	4586 by year	0.25"		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"	523	2.23"	-0.21	79	113	1.4*	map	table
Extreme events Days with SNOW>3.0"	91	5.56"	-0.11	11	20	1.8	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"	523	2.23"	-0.33	50	117	2.3*	map	table
Extreme events Days with SNOW>3.0"	91	5.56"	-0.42	8	27	3.4*	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"	523	2.23"	96	73	1.3	map	table
Extreme events Days with SNOW>3.0"	91	5.56"	21	14	1.5	map	table

SNOW under 2 index extremes Help

Maps - choose one extreme: