WATERTOWN FAA AP, SD - HCND station 398932

398932 - WATERTOWN FAA AP, South Dakota

Latitude
44° 55´N

Longitude
97° 10´W

Elevation
1746 feet

10 nearest HCND stations

28 mi	W :	CLARK, SD
32 mi	NE :	MILBANK 2SSW, SD
61 mi	ENE :	MILAN 1NW, MN
65 mi	SSW :	HOWARD, SD
67 mi	WNW :	MELLETTE, SD
69 mi	E :	MONTEVIDEO 1SW, MN
73 mi	WNW :	ABERDEEN WSO AP, SD
75 mi	SSE :	PIPESTONE, MN
76 mi	SW :	FORESTBURG 3NE, SD
77 mi	NE :	MORRIS WC EXPERIMENT STATION, MN

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

	Total observations	%	NDJFM observations	%
TMAX	17532	96.0%	7332	96.9%
TMIN	17525	96.0%	7326	96.9%
PRCP	14369	78.7%	5424	71.7%
SNOW	15369	84.2%	5499	72.7%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7332 by year	29.5°F	15.2°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>=52°F	523	0.31	95	47	2.0*	map	table
Extreme low events Days with TMAX<=5°F	521	-0.45	73	158	2.2*	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>=52°F	523	0.16	94	46	2.0*	map	table
Extreme low events Days with TMAX<=5°F	521	-0.48	57	159	2.8*	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>=52°F	523	80	79	1.0	map	table
Extreme low events Days with TMAX<=5°F	521	48	84	1.8*	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7326 by year	10.1°F	15.3°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<=-15°F	554	-0.37	79	146	1.8*	map	table
Extreme high events Days with TMIN>=30°F	598	0.32	121	57	2.1*	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	554	-0.38	76	171	2.2*	map	table
Extreme high events Days with TMIN>=30°F	598	-0.02	71	64	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	554	46	92	2.0*	map	table
Extreme high events Days with TMIN>=30°F	598	139	89	1.6*	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	5424 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"	1513	0.11"	-0.13	222	297	1.3*	map	table
Extreme events Days with PRCP>0.17"	288	0.38"	-0.19	35	57	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"	1513	0.11"	-0.18	194	289	1.5*	map	table
Extreme events Days with PRCP>0.17"	288	0.38"	-0.47	17	66	3.9*	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"	1513	0.11"	239	227	1.1	map	table
Extreme events Days with PRCP>0.17"	288	0.38"	58	46	1.3	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	5499 by year	0.23"		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"	1214	1.06"	-0.16	180	250	1.4*	map	table
Extreme events Days with SNOW>1.6"	240	3.17"	-0.24	29	53	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"	1214	1.06"	-0.19	162	252	1.6*	map	table
Extreme events Days with SNOW>1.6"	240	3.17"	-0.55	16	66	4.1*	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"	1214	1.06"	162	185	1.1	map	table
Extreme events Days with SNOW>1.6"	240	3.17"	33	40	1.2	map	table

SNOW under 2 index extremes Help

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