ALEXANDRIA, SD - HCND station 390128

390128 - ALEXANDRIA, South Dakota

Latitude
43° 40´N

Longitude
97° 47´W

Elevation
1350 feet

10 nearest HCND stations

28 mi	NNE :	HOWARD, SD
30 mi	NNW :	FORESTBURG 3NE, SD
31 mi	SSE :	MENNO, SD
61 mi	ESE :	CANTON 4WNW, SD
65 mi	W :	ACADEMY 2NE, SD
70 mi	WNW :	GANN VALLEY 4NW, SD
76 mi	SE :	VERMILLION 2SE, SD
77 mi	SSE :	HARTINGTON, NE
77 mi	ENE :	PIPESTONE, MN
82 mi	E :	ROCK RAPIDS, IA

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

	Total observations	%	NDJFM observations	%
TMAX	18134	99.3%	7514	99.4%
TMIN	18216	99.7%	7529	99.6%
PRCP	15636	85.6%	6065	80.2%
SNOW	11664	63.9%	4453	58.9%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7514 by year	35.5°F	15.6°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>=59°F	523	0.34	109	49	2.2*	map	table
Extreme low events Days with TMAX<=11°F	547	-0.43	75	169	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>=59°F	523	0.12	96	55	1.7*	map	table
Extreme low events Days with TMAX<=11°F	547	-0.41	66	158	2.4*	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>=59°F	523	67	96	1.4*	map	table
Extreme low events Days with TMAX<=11°F	547	50	88	1.8*	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7529 by year	15.6°F	14.7°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<=-9°F	559	-0.36	77	147	1.9*	map	table
Extreme high events Days with TMIN>=34°F	577	0.35	109	46	2.4*	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<=-9°F	559	-0.27	84	155	1.8*	map	table
Extreme high events Days with TMIN>=34°F	577	-0.06	56	69	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<=-9°F	559	41	93	2.3*	map	table
Extreme high events Days with TMIN>=34°F	577	115	95	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	6065 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"	1191	0.15"	-0.07	185	213	1.2	map	table
Extreme events Days with PRCP>0.23"	233	0.48"	0.08	34	35	1.0	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"	1191	0.15"	-0.20	137	225	1.6*	map	table
Extreme events Days with PRCP>0.23"	233	0.48"	-0.31	16	43	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"	1191	0.15"	211	170	1.2*	map	table
Extreme events Days with PRCP>0.23"	233	0.48"	49	33	1.5	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	4453 by year	0.32"		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"	714	1.98"	-0.23	100	155	1.6*	map	table
Extreme events Days with SNOW>3.0"	123	5.26"	-0.10	15	23	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"	714	1.98"	-0.25	86	151	1.8*	map	table
Extreme events Days with SNOW>3.0"	123	5.26"	-0.36	6	26	4.3*	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"	714	1.98"	103	114	1.1	map	table
Extreme events Days with SNOW>3.0"	123	5.26"	17	22	1.3	map	table

SNOW under 2 index extremes Help

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