ROCKY MOUNT, VA - HCND station 447338

447338 - ROCKY MOUNT, Virginia

Latitude
37° 1´N

Longitude
79° 55´W

Elevation
1232 feet

10 nearest HCND stations

41 mi	SE :	DANVILLE, VA
52 mi	SW :	MOUNT AIRY, NC
60 mi	NNE :	LEXINGTON, VA
65 mi	NNW :	LEWISBURG 3N, WV
69 mi	N :	HOT SPRINGS, VA
79 mi	W :	BURKES GARDEN, VA
87 mi	ENE :	FARMVILLE 2N, VA
88 mi	SSE :	CHAPEL HILL 2W, NC
93 mi	NNE :	STAUNTON SEWAGE PLANT, VA
94 mi	WNW :	GARY, WV

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

	Total observations	%	NDJFM observations	%
TMAX	14254	78.0%	5657	74.8%
TMIN	15455	84.6%	6263	82.8%
PRCP	14691	80.4%	6020	79.6%
SNOW	11218	61.4%	4614	61.0%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	5657 by year	51.8°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>=70°F	453	0.22	73	41	1.8*	map	table
Extreme low events Days with TMAX<=34°F	449	-0.44	50	119	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>=70°F	453	-0.65	22	138	6.3*	map	table
Extreme low events Days with TMAX<=34°F	449	0.56	140	44	3.2*	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>=70°F	453	49	107	2.2*	map	table
Extreme low events Days with TMAX<=34°F	449	67	62	1.1	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	6263 by year	29.4°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	454	-0.22	76	113	1.5*	map	table
Extreme high events Days with TMIN>=46°F	427	0.27	68	40	1.7*	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	454	0.50	141	49	2.9*	map	table
Extreme high events Days with TMIN>=46°F	427	-0.57	27	121	4.5*	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	454	61	52	1.2	map	table
Extreme high events Days with TMIN>=46°F	427	86	63	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	6020 by year	0.13"		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"	2003	0.39"	0.01	333	333	1.0	map	table
Extreme events Days with PRCP>0.64"	394	1.11"	0.03	69	64	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"	2003	0.39"	-0.01	358	367	1.0	map	table
Extreme events Days with PRCP>0.64"	394	1.11"	0.27	97	54	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"	2003	0.39"	363	301	1.2*	map	table
Extreme events Days with PRCP>0.64"	394	1.11"	77	37	2.1*	map	table

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SNOW Help top of page

SNOW	observations	mean		Distribution	during extreme days of
NDJFM	4614 by year	0.17"		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"	261	3.07"	-0.32	29	62	2.1*	map	table
Extreme events Days with SNOW>5.0"	43	8.16"	-0.70	3	12	4.0*	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"	261	3.07"	0.55	80	26	3.1*	map	table
Extreme events Days with SNOW>5.0"	43	8.16"	0.96	17	2	8.5*	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"	261	3.07"	48	20	2.4*	map	table
Extreme events Days with SNOW>5.0"	43	8.16"	16	3	5.3*	map	table

SNOW under 2 index extremes Help

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