WASHINGTON 3 SSW, VA - COOP Mid-Atlantic station 448902

448902 - WASHINGTON 3 SSW, Virginia

Latitude
38° 40´N

Longitude
78° 11´W

Elevation
195 meters

COOP Mid-Atlantic

10 nearest COOP Mid-Atlantic stations

4 mi	SW :	SPERRYVILLE, VA
9 mi	E :	AMISSVILLE, VA
10 mi	W :	LURAY 5 E, VA
16 mi	N :	FRONT ROYAL, VA
17 mi	SE :	CULPEPER, VA
17 mi	SW :	BIG MEADOWS, VA
17 mi	SW :	BIG MEADOWS 2, VA
18 mi	N :	RIVERTON, VA
21 mi	NE :	MARSHALL, VA
22 mi	ESE :	REMINGTON, VA

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

	Total observations	%	NDJFM observations	%
TMAX	9101	49.8%	3540	46.8%
TMIN	9133	50.0%	3558	47.0%
PRCP	11706	64.1%	4670	61.7%
SNOW	10382	56.8%	3322	43.9%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	3540 by year	48.7°F	12.4°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>=68°F	264	0.12	34	24	1.4	map	table
Extreme low events Days with TMAX<=31°F	254	-0.56	32	78	2.4*	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>=68°F	264	-0.63	10	79	7.9*	map	table
Extreme low events Days with TMAX<=31°F	254	0.54	80	22	3.6*	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>=68°F	264	46	58	1.3	map	table
Extreme low events Days with TMAX<=31°F	254	39	30	1.3	map	table

TMAX under 2 index extremes Help

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	3558 by year	24.7°F	10.8°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	266	-0.40	36	69	1.9*	map	table
Extreme high events Days with TMIN>=40°F	285	0.10	29	26	1.1	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<=9°F	266	0.40	71	30	2.4*	map	table
Extreme high events Days with TMIN>=40°F	285	-0.44	16	67	4.2*	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	266	37	31	1.2	map	table
Extreme high events Days with TMIN>=40°F	285	68	47	1.4	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	4670 by year	0.09"		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"	993	0.41"	-0.11	135	182	1.3*	map	table
Extreme events Days with PRCP>0.67"	197	1.15"	0.05	32	34	1.1	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"	993	0.41"	-0.10	158	194	1.2	map	table
Extreme events Days with PRCP>0.67"	197	1.15"	0.27	47	27	1.7	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"	993	0.41"	151	209	1.4*	map	table
Extreme events Days with PRCP>0.67"	197	1.15"	30	38	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	3322 by year	0.03"		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"	27	3.46"	-0.14	4	3	1.3	map	table
Extreme events Days with SNOW>6.0"	3	9.13"	-0.35	1	1	1.0	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"	27	3.46"	0.63	10	4	2.5	map	table
Extreme events Days with SNOW>6.0"	3	9.13"	2.54	3	0	Inf	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"	27	3.46"	2	0	Inf*	map	table
Extreme events Days with SNOW>6.0"	3	9.13"	1	0	Inf	map	table

SNOW under 2 index extremes Help

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