LOWELL, MA - COOP Northeast station 194313

194313 - LOWELL, Massachusetts

Latitude
42° 39´N

Longitude
71° 22´W

Elevation
34 meters

10 nearest COOP Northeast stations

5 mi	NE :	DRACUT, MA
8 mi	SE :	BILLERICA, MA
8 mi	W :	DUNSTABLE, MA
9 mi	W :	PEPPERELL, MA
9 mi	NNW :	NASHUA 1 NE, NH
10 mi	NNW :	HUDSON, NH
10 mi	W :	EAST PEPPERELL, MA
11 mi	ENE :	LAWRENCE, MA
11 mi	NNW :	NASHUA 2 NNW, NH
12 mi	WSW :	GROTON, MA

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

	Total observations	%	NDJFM observations	%
TMAX	12217	66.9%	4942	65.3%
TMIN	12227	66.9%	4935	65.3%
PRCP	14697	80.5%	5981	79.1%
SNOW	14560	79.7%	5792	76.6%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	4942 by year	41.6°F	11.2°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	361	0.17	54	31	1.7*	map	table
Extreme low events Days with TMAX<=25°F	364	0.06	83	70	1.2	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>=59°F	361	-0.18	23	44	1.9*	map	table
Extreme low events Days with TMAX<=25°F	364	0.28	82	49	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>=59°F	361	55	49	1.1	map	table
Extreme low events Days with TMAX<=25°F	364	52	35	1.5	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	4935 by year	23.4°F	11.3°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	337	0.23	90	56	1.6*	map	table
Extreme high events Days with TMIN>=39°F	367	-0.04	37	36	1.0	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	337	0.27	85	52	1.6*	map	table
Extreme high events Days with TMIN>=39°F	367	-0.08	33	45	1.4	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<=5°F	337	45	30	1.5	map	table
Extreme high events Days with TMIN>=39°F	367	58	62	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	5981 by year	0.12"		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"	1944	0.38"	-0.09	271	364	1.3*	map	table
Extreme events Days with PRCP>0.64"	383	1.12"	-0.18	48	74	1.5*	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"	1944	0.38"	0.05	335	316	1.1	map	table
Extreme events Days with PRCP>0.64"	383	1.12"	0.29	83	42	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"	1944	0.38"	302	260	1.2	map	table
Extreme events Days with PRCP>0.64"	383	1.12"	74	41	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	5792 by year	0.32"		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"	661	2.77"	-0.07	102	128	1.3	map	table
Extreme events Days with SNOW>4.0"	124	7.55"	-0.23	12	25	2.1*	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"	661	2.77"	0.06	118	118	1.0	map	table
Extreme events Days with SNOW>4.0"	124	7.55"	0.31	32	21	1.5	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"	661	2.77"	86	83	1.0	map	table
Extreme events Days with SNOW>4.0"	124	7.55"	21	11	1.9	map	table

SNOW under 2 index extremes Help

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