NORFOLK, VA - COOP Mid-Atlantic station 446144

446144 - NORFOLK, Virginia

Latitude
36° 51´N

Longitude
76° 17´W

Elevation
20 meters

COOP Mid-Atlantic

10 nearest COOP Mid-Atlantic stations

6 mi	NE :	DIAMOND SPRINGS, VA
6 mi	NE :	NORFOLK INTL ARPT, VA
11 mi	WNW :	DRIVER 4 NE, VA
15 mi	NW :	NEWPORT NEWS PRESS BLDG, VA
17 mi	NNW :	LANGLEY AFB, VA
17 mi	ENE :	CAPE HENRY, VA
19 mi	SSW :	WALLACETON LK DRUMMOND, VA
19 mi	WSW :	SUFFOLK LAKE KILBY, VA
21 mi	WNW :	SMITHFIELD, VA
24 mi	ESE :	BACK BAY WILDLIFE REFUGE, VA

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

	Total observations	%	NDJFM observations	%
TMAX	6203	34.0%	2538	33.6%
TMIN	6205	34.0%	2539	33.6%
PRCP	6187	33.9%	2520	33.3%
SNOW	5899	32.3%	2232	29.5%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	2538 by year	56.3°F	11.4°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>=74°F	173	-0.13	10	20	2.0*	map	table
Extreme low events Days with TMAX<=39°F	196	-0.49	25	55	2.2*	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>=74°F	173	-0.73	4	49	12.3*	map	table
Extreme low events Days with TMAX<=39°F	196	0.52	59	20	3.0*	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>=74°F	173	2	47	23.5*	map	table
Extreme low events Days with TMAX<=39°F	196	15	52	3.5*	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	2539 by year	39.9°F	9.1°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<=27°F	184	-0.53	20	56	2.8*	map	table
Extreme high events Days with TMIN>=55°F	182	-0.11	15	14	1.1	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<=27°F	184	0.54	56	20	2.8*	map	table
Extreme high events Days with TMIN>=55°F	182	-0.56	7	44	6.3*	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<=27°F	184	17	49	2.9*	map	table
Extreme high events Days with TMIN>=55°F	182	9	42	4.7*	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	2520 by year	0.10"		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"	779	0.33"	-0.23	104	176	1.7*	map	table
Extreme events Days with PRCP>0.56"	154	0.97"	-0.21	20	36	1.8	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"	779	0.33"	-0.10	127	157	1.2	map	table
Extreme events Days with PRCP>0.56"	154	0.97"	0.23	37	26	1.4	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"	779	0.33"	45	185	4.1*	map	table
Extreme events Days with PRCP>0.56"	154	0.97"	14	25	1.8	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	2232 by year	0.00"		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"	14	0.71"	0.11	2	0	Inf	map	table
Extreme events Days with SNOW>1.2"	2	1.85"	-0.20	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"	14	0.71"	0.21	1	1	1.0	map	table
Extreme events Days with SNOW>1.2"	2	1.85"	1.00	0	0	NaN	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"	14	0.71"	0	10	Inf	map	table
Extreme events Days with SNOW>1.2"	2	1.85"	0	1	Inf	map	table

SNOW under 2 index extremes Help

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