WILLIAMSON, WV - COOP Mid-Atlantic station 469610

469610 - WILLIAMSON, West Virginia

Latitude
37° 40´N

Longitude
82° 18´W

Elevation
216 meters

COOP Mid-Atlantic

10 nearest COOP Mid-Atlantic stations

1 mi	E :	WILLIAMSON, WV
9 mi	NW :	LAURA, KY
10 mi	SSW :	META 4 SE, KY
11 mi	SE :	FREEBURN 2 SW, KY
13 mi	NNW :	KERMIT, WV
15 mi	SSE :	PHELPS 3 S, KY
17 mi	SSW :	FISHTRAP LAKE, KY
17 mi	SW :	PIKEVILLE, KY
17 mi	SW :	PIKEVILLE, KY
17 mi	SW :	PIKEVILLE W Z L K, KY

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

	Total observations	%	NDJFM observations	%
TMAX	1613	8.8%	666	8.8%
TMIN	1614	8.8%	666	8.8%
PRCP	16324	89.4%	6804	90.0%
SNOW	15124	82.8%	5466	72.3%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	666 by year	51.9°F	14.0°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>=73°F	51	0.52	12	4	3.0	map	table
Extreme low events Days with TMAX<=32°F	50	0.05	11	11	1.0	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>=73°F	51	-0.49	5	14	2.8	map	table
Extreme low events Days with TMAX<=32°F	50	1.08	25	0	Inf*	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>=73°F	51	24	0	Inf*	map	table
Extreme low events Days with TMAX<=32°F	50	11	0	Inf*	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	666 by year	29.9°F	10.5°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<=14°F	48	0.45	12	3	4.0*	map	table
Extreme high events Days with TMIN>=45°F	46	0.36	13	6	2.2	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<=14°F	48	0.68	19	3	6.3*	map	table
Extreme high events Days with TMIN>=45°F	46	-0.62	0	10	Inf*	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<=14°F	48	10	0	Inf*	map	table
Extreme high events Days with TMIN>=45°F	46	11	0	Inf*	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	6804 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"	2543	0.32"	-0.05	405	462	1.1*	map	table
Extreme events Days with PRCP>0.50"	501	0.90"	0.04	87	88	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"	2543	0.32"	0.04	473	444	1.1	map	table
Extreme events Days with PRCP>0.50"	501	0.90"	-0.27	70	125	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"	2543	0.32"	428	354	1.2*	map	table
Extreme events Days with PRCP>0.50"	501	0.90"	76	82	1.1	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	5466 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"	302	1.94"	-0.40	35	68	1.9*	map	table
Extreme events Days with SNOW>2.5"	60	5.31"	-0.61	6	18	3.0*	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"	302	1.94"	0.87	121	20	6.0*	map	table
Extreme events Days with SNOW>2.5"	60	5.31"	0.76	23	4	5.8*	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"	302	1.94"	30	40	1.3	map	table
Extreme events Days with SNOW>2.5"	60	5.31"	6	8	1.3	map	table

SNOW under 2 index extremes Help

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