ANDOVER, SD - COOP Northern Plains station 390198

390198 - ANDOVER, South Dakota

Latitude
45° 25´N

Longitude
97° 54´W

Elevation
427 meters

COOP Northern Plains

10 nearest COOP Northern Plains stations

18 mi	ENE :	WEBSTER 10 N, SD
19 mi	ESE :	WEBSTER, SD
20 mi	ENE :	ROSLYN, SD
21 mi	WSW :	STRATFORD, SD
21 mi	SSW :	CONDE, SD
25 mi	ESE :	GELHAUS FARM, SD
25 mi	W :	ABERDEEN REGIONAL ARPT, SD
26 mi	NNE :	BRITTON, SD
27 mi	E :	WAUBAY NATL WILDLIFE REF, SD
29 mi	NW :	COLUMBIA 8 N, SD

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

	Total observations	%	NDJFM observations	%
TMAX	9541	52.2%	3747	49.5%
TMIN	9492	52.0%	3742	49.5%
PRCP	10024	54.9%	3934	52.0%
SNOW	9937	54.4%	3833	50.7%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	3747 by year	30.6°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>=53°F	262	0.03	30	30	1.0	map	table
Extreme low events Days with TMAX<=6°F	272	-0.46	44	87	2.0*	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>=53°F	262	0.07	37	27	1.4	map	table
Extreme low events Days with TMAX<=6°F	272	-0.57	30	88	2.9*	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>=53°F	262	45	48	1.1	map	table
Extreme low events Days with TMAX<=6°F	272	44	65	1.5	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	3742 by year	8.9°F	16.3°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<=-18°F	264	-0.45	37	76	2.1*	map	table
Extreme high events Days with TMIN>=31°F	264	0.14	36	21	1.7*	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<=-18°F	264	-0.39	37	79	2.1*	map	table
Extreme high events Days with TMIN>=31°F	264	-0.02	27	16	1.7*	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<=-18°F	264	41	56	1.4	map	table
Extreme high events Days with TMIN>=31°F	264	52	45	1.2	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	3934 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"	652	0.13"	-0.27	73	143	2.0*	map	table
Extreme events Days with PRCP>0.18"	130	0.41"	-0.25	16	30	1.9	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"	652	0.13"	-0.37	59	142	2.4*	map	table
Extreme events Days with PRCP>0.18"	130	0.41"	-0.35	7	26	3.7*	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"	652	0.13"	88	146	1.7*	map	table
Extreme events Days with PRCP>0.18"	130	0.41"	21	27	1.3	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	3833 by year	0.21"		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"	482	1.67"	-0.32	61	117	1.9*	map	table
Extreme events Days with SNOW>2.5"	95	4.25"	-0.42	12	28	2.3*	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"	482	1.67"	-0.42	43	115	2.7*	map	table
Extreme events Days with SNOW>2.5"	95	4.25"	-0.57	4	26	6.5*	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"	482	1.67"	70	106	1.5*	map	table
Extreme events Days with SNOW>2.5"	95	4.25"	14	24	1.7	map	table

SNOW under 2 index extremes Help

Maps - choose one extreme: