CATOCTIN MOUNTAIN PARK, MD - COOP Mid-Atlantic station 181530

181530 - CATOCTIN MOUNTAIN PARK, Maryland

Latitude
39° 39´N

Longitude
77° 29´W

Elevation
491 meters

COOP Mid-Atlantic

10 nearest COOP Mid-Atlantic stations

4 mi	WNW :	EDGEMONT, MD
7 mi	ENE :	EMMITSBURG, MD
10 mi	W :	CHEWSVILLE-BRIDGEPOR, MD
10 mi	ENE :	EMMITSBURG 2 SE, MD
13 mi	SW :	BOONSBORO, MD
13 mi	SW :	BOONSBORO 1 NE, MD
13 mi	W :	HAGERSTOWN, MD
13 mi	W :	HAGERSTOWN POLICE BRK, MD
16 mi	S :	FREDERICK WFMD, MD
16 mi	SW :	KEEDYSVILLE, MD

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

	Total observations	%	NDJFM observations	%
TMAX	10806	59.2%	4482	59.3%
TMIN	10813	59.2%	4495	59.4%
PRCP	10801	59.1%	4476	59.2%
SNOW	10794	59.1%	4467	59.1%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	4482 by year	42.9°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>=62°F	330	0.57	88	13	6.8*	map	table
Extreme low events Days with TMAX<=25°F	333	-0.39	46	94	2.0*	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>=62°F	330	-0.55	15	83	5.5*	map	table
Extreme low events Days with TMAX<=25°F	333	0.60	104	25	4.2*	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>=62°F	330	56	64	1.1	map	table
Extreme low events Days with TMAX<=25°F	333	36	38	1.1	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	4495 by year	26.8°F	11.6°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<=9°F	323	-0.26	50	80	1.6*	map	table
Extreme high events Days with TMIN>=44°F	326	0.57	79	14	5.6*	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<=9°F	323	0.52	95	27	3.5*	map	table
Extreme high events Days with TMIN>=44°F	326	-0.36	22	69	3.1*	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<=9°F	323	42	27	1.6	map	table
Extreme high events Days with TMIN>=44°F	326	65	55	1.2	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	4476 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"	1544	0.36"	0.16	281	199	1.4*	map	table
Extreme events Days with PRCP>0.58"	308	1.15"	0.07	52	42	1.2	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"	1544	0.36"	0.04	284	258	1.1	map	table
Extreme events Days with PRCP>0.58"	308	1.15"	0.30	70	33	2.1*	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"	1544	0.36"	273	211	1.3*	map	table
Extreme events Days with PRCP>0.58"	308	1.15"	72	33	2.2*	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	4467 by year	0.23"		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"	443	2.28"	-0.16	56	83	1.5*	map	table
Extreme events Days with SNOW>3.5"	85	6.77"	-0.22	9	15	1.7	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"	443	2.28"	0.52	137	48	2.9*	map	table
Extreme events Days with SNOW>3.5"	85	6.77"	0.60	24	9	2.7*	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"	443	2.28"	53	48	1.1	map	table
Extreme events Days with SNOW>3.5"	85	6.77"	12	8	1.5	map	table

SNOW under 2 index extremes Help

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