BETHESDA NATL INST HEALTH, MD - COOP Mid-Atlantic station 180800

180800 - BETHESDA NATL INST HEALTH, Maryland

Latitude
39° 0´N

Longitude
77° 6´W

Elevation
95 meters

COOP Mid-Atlantic

10 nearest COOP Mid-Atlantic stations

1 mi	W :	BATTERY PARK, MD
1 mi	NW :	GROSVENOR LANE, MD
2 mi	E :	ROCK CREEK FOREST, MD
2 mi	SSW :	BETHESDA, MD
3 mi	S :	BROOKDALE, MD
4 mi	SW :	GLEN ECHO, MD
4 mi	NNE :	VIERS MILL, MD
5 mi	ESE :	TAKOMA PARK BALT AVE, MD
5 mi	S :	DALECARLIA RESERVOIR, MD
5 mi	ESE :	TAKOMA PARK MISS AVE, MD

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

	Total observations	%	NDJFM observations	%
TMAX	3499	19.2%	1448	19.1%
TMIN	3504	19.2%	1450	19.2%
PRCP	3481	19.1%	1438	19.0%
SNOW	3118	17.1%	1046	13.8%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	1448 by year	49.0°F	11.3°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>=67°F	110	-0.24	10	18	1.8	map	table
Extreme low events Days with TMAX<=33°F	99	-0.46	15	28	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>=67°F	110	-0.54	7	28	4.0*	map	table
Extreme low events Days with TMAX<=33°F	99	0.27	24	14	1.7	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>=67°F	110	4	29	7.2*	map	table
Extreme low events Days with TMAX<=33°F	99	12	29	2.4*	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	1450 by year	29.5°F	9.4°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<=15°F	110	-0.28	19	31	1.6	map	table
Extreme high events Days with TMIN>=44°F	102	-0.18	11	14	1.3	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<=15°F	110	0.17	26	20	1.3	map	table
Extreme high events Days with TMIN>=44°F	102	-0.26	7	18	2.6*	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<=15°F	110	20	31	1.6	map	table
Extreme high events Days with TMIN>=44°F	102	7	24	3.4*	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	1438 by year	0.09"		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"	356	0.38"	-0.27	48	90	1.9*	map	table
Extreme events Days with PRCP>0.62"	70	0.99"	-0.29	10	22	2.2	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"	356	0.38"	-0.21	48	75	1.6*	map	table
Extreme events Days with PRCP>0.62"	70	0.99"	0.20	14	9	1.6	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"	356	0.38"	32	98	3.1*	map	table
Extreme events Days with PRCP>0.62"	70	0.99"	8	12	1.5	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	1046 by year	0.03"		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"	5	6.98"	-0.47	1	2	2.0	map	table
Extreme events Days with SNOW>14.0"	1	14.60"	-1.65	0	1	Inf	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"	5	6.98"	0.03	1	0	Inf	map	table
Extreme events Days with SNOW>14.0"	1	14.60"	0.62	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"	5	6.98"	2	0	Inf	map	table
Extreme events Days with SNOW>14.0"	1	14.60"	1	0	Inf	map	table

SNOW under 2 index extremes Help

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