VALLEY HEAD, AL - HCND station 018469

018469 - VALLEY HEAD, Alabama

Latitude
34° 34´N

Longitude
85° 37´W

Elevation
1062 feet

10 nearest HCND stations

26 mi	WNW :	SCOTTSBORO, AL
34 mi	SE :	ROME, GA
64 mi	NNW :	TULLAHOMA, TN
74 mi	WSW :	ST BERNARD, AL
76 mi	ENE :	COPPERHILL, TN
78 mi	N :	MCMINNVILLE, TN
83 mi	SSW :	TALLADEGA, AL
91 mi	NW :	LEWISBURG EXPERIMENT STN, TN
91 mi	E :	DAHLONEGA 2NW, GA
91 mi	SSE :	NEWNAN 4NE, GA

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

	Total observations	%	NDJFM observations	%
TMAX	17989	98.5%	7420	98.1%
TMIN	17890	98.0%	7381	97.6%
PRCP	16800	92.0%	6890	91.1%
SNOW	12108	66.3%	4891	64.7%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7420 by year	55.3°F	12.1°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	612	0.25	109	55	2.0*	map	table
Extreme low events Days with TMAX<=36°F	510	-0.35	70	131	1.9*	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	612	-0.61	24	161	6.7*	map	table
Extreme low events Days with TMAX<=36°F	510	0.81	193	33	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>=72°F	612	89	126	1.4*	map	table
Extreme low events Days with TMAX<=36°F	510	78	53	1.5*	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	7381 by year	30.6°F	12.1°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<=13°F	510	-0.33	68	127	1.9*	map	table
Extreme high events Days with TMIN>=50°F	547	0.14	82	58	1.4*	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<=13°F	510	0.71	180	39	4.6*	map	table
Extreme high events Days with TMIN>=50°F	547	-0.82	17	174	10.2*	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<=13°F	510	58	52	1.1	map	table
Extreme high events Days with TMIN>=50°F	547	77	111	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	6890 by year	0.19"		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"	2776	0.47"	0.04	496	456	1.1	map	table
Extreme events Days with PRCP>0.81"	544	1.46"	0.07	97	85	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"	2776	0.47"	-0.11	432	542	1.3*	map	table
Extreme events Days with PRCP>0.81"	544	1.46"	-0.29	62	113	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"	2776	0.47"	489	405	1.2*	map	table
Extreme events Days with PRCP>0.81"	544	1.46"	89	85	1.0	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	4891 by year	0.05"		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"	167	1.51"	-0.29	21	41	2.0*	map	table
Extreme events Days with SNOW>2.0"	33	3.93"	0.06	7	6	1.2	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"	167	1.51"	1.26	85	2	42.5*	map	table
Extreme events Days with SNOW>2.0"	33	3.93"	1.04	16	2	8.0*	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"	167	1.51"	21	12	1.8	map	table
Extreme events Days with SNOW>2.0"	33	3.93"	5	1	5.0	map	table

SNOW under 2 index extremes Help

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