SMITHFIELD, NC - COOP Mid-Atlantic station 317994

317994 - SMITHFIELD, North Carolina

Latitude
35° 31´N

Longitude
78° 21´W

Elevation
46 meters

COOP Mid-Atlantic

10 nearest COOP Mid-Atlantic stations

10 mi	NW :	CLAYTON WTP, NC
15 mi	NNW :	WENDELL SCS 1, NC
18 mi	N :	ZEBULON 3 SW, NC
19 mi	WNW :	GARNER, NC
21 mi	ESE :	GOLDSBORO 2, NC
22 mi	WNW :	MC CULLERS 1 W, NC
23 mi	SW :	DUNN 4 NW, NC
24 mi	NW :	RALEIGH 4 SW, NC
25 mi	NW :	LAKE RALEIGH, NC
25 mi	ESE :	GOLDSBORO SEYMOUR JOHNSON AFB, NC

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

	Total observations	%	NDJFM observations	%
TMAX	18026	98.7%	7460	98.6%
TMIN	18002	98.6%	7462	98.7%
PRCP	18040	98.8%	7466	98.7%
SNOW	17710	97.0%	7132	94.3%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7460 by year	58.9°F	11.7°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>=76°F	531	0.23	88	45	2.0*	map	table
Extreme low events Days with TMAX<=41°F	570	-0.25	96	140	1.5*	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>=76°F	531	-0.65	23	152	6.6*	map	table
Extreme low events Days with TMAX<=41°F	570	0.61	194	51	3.8*	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>=76°F	531	57	128	2.2*	map	table
Extreme low events Days with TMAX<=41°F	570	87	75	1.2	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7462 by year	34.7°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<=19°F	505	-0.30	75	128	1.7*	map	table
Extreme high events Days with TMIN>=53°F	531	0.22	97	52	1.9*	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<=19°F	505	0.59	156	43	3.6*	map	table
Extreme high events Days with TMIN>=53°F	531	-0.51	38	139	3.7*	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<=19°F	505	69	67	1.0	map	table
Extreme high events Days with TMIN>=53°F	531	88	102	1.2	map	table

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PRCP (total liquid water equivalent) Help top of page

PRCP	observations	mean		Distribution	during extreme days of
NDJFM	7466 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"	2316	0.38"	0.06	431	382	1.1	map	table
Extreme events Days with PRCP>0.62"	462	1.10"	-0.02	83	83	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"	2316	0.38"	0.06	446	400	1.1	map	table
Extreme events Days with PRCP>0.62"	462	1.10"	0.26	109	58	1.9*	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"	2316	0.38"	383	360	1.1	map	table
Extreme events Days with PRCP>0.62"	462	1.10"	82	61	1.3	map	table

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SNOW Help top of page

SNOW	observations	mean		Distribution	during extreme days of
NDJFM	7132 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"	37	3.12"	-0.23	10	10	1.0	map	table
Extreme events Days with SNOW>5.0"	7	8.00"	0.28	3	1	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"	37	3.12"	0.72	13	2	6.5*	map	table
Extreme events Days with SNOW>5.0"	7	8.00"	1.33	4	1	4.0	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"	37	3.12"	8	6	1.3	map	table
Extreme events Days with SNOW>5.0"	7	8.00"	3	0	Inf	map	table

SNOW under 2 index extremes Help

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