GRUNDY, VA - COOP Mid-Atlantic station 443640

443640 - GRUNDY, Virginia

Latitude
37° 17´N

Longitude
82° 5´W

Elevation
357 meters

COOP Mid-Atlantic

10 nearest COOP Mid-Atlantic stations

6 mi	ENE :	STACY, VA
8 mi	E :	SLATE, VA
10 mi	NNE :	HURLEY 1 SE, VA
10 mi	ENE :	PAYNESVILLE 1 N, WV
12 mi	NW :	FEDSCREEK 1 SE, KY
12 mi	S :	DAVENPORT 2 NE, VA
12 mi	WSW :	HAYSI, VA
13 mi	WSW :	HAYSI, VA
14 mi	NNW :	PHELPS 3 S, KY
15 mi	W :	ELKHORN CITY, KY

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

	Total observations	%	NDJFM observations	%
TMAX	12110	66.3%	5126	67.8%
TMIN	12034	65.9%	5107	67.5%
PRCP	14798	81.0%	6166	81.5%
SNOW	14593	79.9%	5669	75.0%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	5126 by year	52.8°F	13.6°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>=74°F	344	0.42	68	21	3.2*	map	table
Extreme low events Days with TMAX<=32°F	342	-0.22	60	83	1.4	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>=74°F	344	-0.46	24	75	3.1*	map	table
Extreme low events Days with TMAX<=32°F	342	0.75	117	20	5.8*	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>=74°F	344	89	34	2.6*	map	table
Extreme low events Days with TMAX<=32°F	342	30	37	1.2	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	5107 by year	28.1°F	11.0°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<=11°F	370	-0.20	68	91	1.3	map	table
Extreme high events Days with TMIN>=44°F	395	0.17	64	44	1.5	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<=11°F	370	0.68	127	29	4.4*	map	table
Extreme high events Days with TMIN>=44°F	395	-0.56	25	100	4.0*	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<=11°F	370	40	26	1.5*	map	table
Extreme high events Days with TMIN>=44°F	395	83	39	2.1*	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	6166 by year	0.12"		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"	2130	0.34"	0.07	355	306	1.2*	map	table
Extreme events Days with PRCP>0.54"	425	0.94"	0.08	71	67	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"	2130	0.34"	0.07	400	361	1.1	map	table
Extreme events Days with PRCP>0.54"	425	0.94"	-0.28	62	109	1.8*	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"	2130	0.34"	286	342	1.2*	map	table
Extreme events Days with PRCP>0.54"	425	0.94"	54	71	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	5669 by year	0.11"		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"	389	1.60"	-0.21	47	79	1.7*	map	table
Extreme events Days with SNOW>2.5"	68	4.86"	-0.19	10	13	1.3	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"	389	1.60"	0.87	151	20	7.5*	map	table
Extreme events Days with SNOW>2.5"	68	4.86"	0.65	22	3	7.3*	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"	389	1.60"	41	56	1.4	map	table
Extreme events Days with SNOW>2.5"	68	4.86"	7	12	1.7	map	table

SNOW under 2 index extremes Help

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