ERWIN 1 W, TN - COOP Mid-Atlantic station 402934

402934 - ERWIN 1 W, Tennessee

Latitude
36° 9´N

Longitude
82° 26´W

Elevation
524 meters

COOP Mid-Atlantic

10 nearest COOP Mid-Atlantic stations

1 mi	NE :	ERWIN, TN
2 mi	ENE :	UNICOI 3 SW, TN
3 mi	NW :	EMBREEVILLE, TN
6 mi	ESE :	BEAUTY SPOT, TN
7 mi	SE :	POPLAR, NC
8 mi	SSE :	FLAT TOP MOUNTAIN, NC
9 mi	SSE :	FLAT TOP MOUNTAIN 2, NC
10 mi	ENE :	LIMESTONE COVE, TN
11 mi	NNE :	JOHNSON CITY ETSC, TN
12 mi	ENE :	STONE MOUNTAIN, TN

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

	Total observations	%	NDJFM observations	%
TMAX	6725	36.8%	2727	36.1%
TMIN	6734	36.9%	2741	36.2%
PRCP	6738	36.9%	2751	36.4%
SNOW	6341	34.7%	2367	31.3%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	2727 by year	52.9°F	13.0°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>=72°F	182	0.29	26	11	2.4*	map	table
Extreme low events Days with TMAX<=33°F	194	0.05	39	31	1.3	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>=72°F	182	-0.38	20	37	1.8*	map	table
Extreme low events Days with TMAX<=33°F	194	1.02	79	5	15.8*	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>=72°F	182	43	17	2.5*	map	table
Extreme low events Days with TMAX<=33°F	194	23	5	4.6*	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	2741 by year	29.9°F	11.5°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<=12°F	185	0.13	39	25	1.6	map	table
Extreme high events Days with TMIN>=48°F	192	0.26	33	20	1.6	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<=12°F	185	0.90	76	7	10.9*	map	table
Extreme high events Days with TMIN>=48°F	192	-0.44	14	42	3.0*	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<=12°F	185	16	6	2.7*	map	table
Extreme high events Days with TMIN>=48°F	192	58	7	8.3*	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	2751 by year	0.11"		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"	941	0.33"	0.24	194	118	1.6*	map	table
Extreme events Days with PRCP>0.52"	182	0.91"	0.23	40	31	1.3	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"	941	0.33"	0.23	216	123	1.8*	map	table
Extreme events Days with PRCP>0.52"	182	0.91"	-0.06	30	34	1.1	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"	941	0.33"	206	45	4.6*	map	table
Extreme events Days with PRCP>0.52"	182	0.91"	40	13	3.1*	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	2367 by year	0.02"		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"	15	2.93"	0.43	5	2	2.5	map	table
Extreme events Days with SNOW>3.5"	3	8.33"	1.01	0	0	NaN	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"	15	2.93"	1.19	7	0	Inf	map	table
Extreme events Days with SNOW>3.5"	3	8.33"	1.20	2	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"	15	2.93"	3	0	Inf	map	table
Extreme events Days with SNOW>3.5"	3	8.33"	1	0	Inf	map	table

SNOW under 2 index extremes Help

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