HAVERHILL, MA - COOP Northeast station 193505

193505 - HAVERHILL, Massachusetts

Latitude
42° 46´N

Longitude
71° 4´W

Elevation
6 meters

10 nearest COOP Northeast stations

1 mi	SE :	GROVELAND, MA
7 mi	SW :	LAWRENCE, MA
8 mi	NE :	NEWBURYPORT 3 WNW, MA
12 mi	SSE :	MIDDLETON, MA
12 mi	WSW :	DRACUT, MA
12 mi	SE :	IPSWICH, MA
13 mi	NW :	EAST DERRY, NH
14 mi	WNW :	WINDHAM 3 NW, NH
17 mi	SSE :	PEABODY, MA
17 mi	SE :	BEVERLY, MA

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

	Total observations	%	NDJFM observations	%
TMAX	17733	97.1%	7321	96.8%
TMIN	17740	97.1%	7320	96.8%
PRCP	17858	97.8%	7346	97.1%
SNOW	17770	97.3%	7285	96.3%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7321 by year	41.8°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>=59°F	556	0.33	117	33	3.5*	map	table
Extreme low events Days with TMAX<=25°F	496	-0.11	102	115	1.1	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>=59°F	556	-0.32	34	101	3.0*	map	table
Extreme low events Days with TMAX<=25°F	496	0.37	131	67	2.0*	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>=59°F	556	91	100	1.1	map	table
Extreme low events Days with TMAX<=25°F	496	65	80	1.2	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	7320 by year	23.4°F	11.5°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<=5°F	522	-0.03	100	101	1.0	map	table
Extreme high events Days with TMIN>=39°F	561	0.13	88	54	1.6*	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<=5°F	522	0.32	140	84	1.7*	map	table
Extreme high events Days with TMIN>=39°F	561	-0.08	50	81	1.6*	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<=5°F	522	72	63	1.1	map	table
Extreme high events Days with TMIN>=39°F	561	92	102	1.1	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	7346 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"	2547	0.37"	-0.02	371	413	1.1	map	table
Extreme events Days with PRCP>0.61"	508	1.14"	-0.09	70	89	1.3	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"	2547	0.37"	-0.00	432	432	1.0	map	table
Extreme events Days with PRCP>0.61"	508	1.14"	0.31	118	58	2.0*	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"	2547	0.37"	423	458	1.1	map	table
Extreme events Days with PRCP>0.61"	508	1.14"	101	80	1.3	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	7285 by year	0.36"		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"	1048	2.51"	-0.13	154	215	1.4*	map	table
Extreme events Days with SNOW>4.0"	188	7.67"	-0.14	28	36	1.3	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"	1048	2.51"	0.04	201	187	1.1	map	table
Extreme events Days with SNOW>4.0"	188	7.67"	0.27	50	35	1.4	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"	1048	2.51"	144	192	1.3*	map	table
Extreme events Days with SNOW>4.0"	188	7.67"	27	23	1.2	map	table

SNOW under 2 index extremes Help

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