ABERDEEN WSO AP, SD - HCND station 390020

390020 - ABERDEEN WSO AP, South Dakota

Latitude
45° 28´N

Longitude
98° 26´W

Elevation
1296 feet

10 nearest HCND stations

21 mi	S :	MELLETTE, SD
45 mi	SW :	FAULKTON 1NW, SD
48 mi	N :	FULLERTON 1ESE, ND
52 mi	SE :	CLARK, SD
62 mi	WNW :	EUREKA, SD
73 mi	ESE :	WATERTOWN FAA AP, SD
77 mi	NNE :	LISBON, ND
82 mi	SW :	HIGHMORE 1W, SD
89 mi	E :	MILBANK 2SSW, SD
97 mi	NW :	NAPOLEON, ND

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

	Total observations	%	NDJFM observations	%
TMAX	18251	99.9%	7555	99.9%
TMIN	18243	99.9%	7548	99.8%
PRCP	14197	77.7%	5285	69.9%
SNOW	15723	86.1%	5596	74.0%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7555 by year	30.2°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>=54°F	532	0.31	91	44	2.1*	map	table
Extreme low events Days with TMAX<=4°F	504	-0.44	66	151	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>=54°F	532	0.20	94	49	1.9*	map	table
Extreme low events Days with TMAX<=4°F	504	-0.56	52	169	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>=54°F	532	77	78	1.0	map	table
Extreme low events Days with TMAX<=4°F	504	47	79	1.7*	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7548 by year	9.7°F	15.9°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<=-17°F	525	-0.36	71	143	2.0*	map	table
Extreme high events Days with TMIN>=31°F	536	0.22	95	54	1.8*	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<=-17°F	525	-0.45	64	163	2.5*	map	table
Extreme high events Days with TMIN>=31°F	536	0.09	79	54	1.5*	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<=-17°F	525	49	97	2.0*	map	table
Extreme high events Days with TMIN>=31°F	536	129	75	1.7*	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	5285 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"	1616	0.10"	-0.07	252	303	1.2*	map	table
Extreme events Days with PRCP>0.14"	311	0.34"	-0.17	44	71	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"	1616	0.10"	-0.23	203	333	1.6*	map	table
Extreme events Days with PRCP>0.14"	311	0.34"	-0.37	23	62	2.7*	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"	1616	0.10"	247	262	1.1	map	table
Extreme events Days with PRCP>0.14"	311	0.34"	60	44	1.4	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	5596 by year	0.29"		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"	1494	1.07"	-0.12	237	301	1.3*	map	table
Extreme events Days with SNOW>1.6"	289	3.49"	-0.17	41	61	1.5	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"	1494	1.07"	-0.24	203	338	1.7*	map	table
Extreme events Days with SNOW>1.6"	289	3.49"	-0.45	25	72	2.9*	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"	1494	1.07"	216	253	1.2	map	table
Extreme events Days with SNOW>1.6"	289	3.49"	47	46	1.0	map	table

SNOW under 2 index extremes Help

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