MARBLEHEAD, MA - COOP Northeast station 194502

194502 - MARBLEHEAD, Massachusetts

Latitude
42° 30´N

Longitude
70° 52´W

Elevation
29 meters

10 nearest COOP Northeast stations

2 mi	N :	SALEM CG AIR STN, MA
3 mi	SW :	SWAMPSCOTT, MA
6 mi	WSW :	WEST LYNN, MA
6 mi	N :	BEVERLY, MA
6 mi	WNW :	PEABODY, MA
10 mi	NW :	MIDDLETON, MA
12 mi	N :	IPSWICH, MA
12 mi	WSW :	SPOT POND, MA
12 mi	SW :	BOSTON LOGAN INT'L ARPT, MA
14 mi	W :	READING, MA

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

	Total observations	%	NDJFM observations	%
TMAX	4838	26.5%	2027	26.8%
TMIN	4837	26.5%	2027	26.8%
PRCP	4837	26.5%	2026	26.8%
SNOW	4831	26.5%	2020	26.7%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	2027 by year	42.7°F	10.9°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>=60°F	143	0.58	38	10	3.8*	map	table
Extreme low events Days with TMAX<=27°F	172	0.34	50	31	1.6	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>=60°F	143	-0.49	4	27	6.8*	map	table
Extreme low events Days with TMAX<=27°F	172	0.48	48	13	3.7*	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>=60°F	143	35	11	3.2*	map	table
Extreme low events Days with TMAX<=27°F	172	26	17	1.5	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	2027 by year	26.7°F	10.6°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<=10°F	154	0.41	48	25	1.9*	map	table
Extreme high events Days with TMIN>=42°F	146	0.37	29	9	3.2*	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<=10°F	154	0.44	45	16	2.8*	map	table
Extreme high events Days with TMIN>=42°F	146	-0.27	11	26	2.4*	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<=10°F	154	29	12	2.4*	map	table
Extreme high events Days with TMIN>=42°F	146	37	8	4.6*	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	2026 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"	708	0.38"	0.34	157	74	2.1*	map	table
Extreme events Days with PRCP>0.60"	141	1.17"	0.39	32	9	3.6*	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"	708	0.38"	0.07	133	108	1.2	map	table
Extreme events Days with PRCP>0.60"	141	1.17"	0.35	38	13	2.9*	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"	708	0.38"	156	51	3.1*	map	table
Extreme events Days with PRCP>0.60"	141	1.17"	41	7	5.9*	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	2020 by year	0.28"		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"	266	2.16"	0.25	61	37	1.6*	map	table
Extreme events Days with SNOW>3.7"	53	6.38"	0.30	12	5	2.4	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"	266	2.16"	0.21	60	37	1.6*	map	table
Extreme events Days with SNOW>3.7"	53	6.38"	0.54	15	3	5.0*	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"	266	2.16"	60	17	3.5*	map	table
Extreme events Days with SNOW>3.7"	53	6.38"	10	1	10.0*	map	table

SNOW under 2 index extremes Help

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