GROTON, CT - COOP Northeast station 063207

063207 - GROTON, Connecticut

Latitude
41° 21´N

Longitude
72° 3´W

Elevation
12 meters

10 nearest COOP Northeast stations

3 mi	W :	NEW LONDON, CT
8 mi	WNW :	LAKE KONOMOC, CT
11 mi	E :	WESTERLY 1 W, RI
12 mi	NNW :	NORWICH 5 SW, CT
13 mi	N :	NORWICH PUB UTIL PLANT, CT
14 mi	N :	NORWICH, CT
18 mi	SW :	ORIENT 2 E, NY
19 mi	N :	BALTIC, CT
19 mi	ENE :	WOOD RIVER JUNCTION, RI
19 mi	NNE :	PACHAUG FOREST, CT

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

	Total observations	%	NDJFM observations	%
TMAX	14729	80.6%	6045	79.9%
TMIN	14729	80.6%	6047	80.0%
PRCP	18026	98.7%	7431	98.3%
SNOW	17800	97.5%	7254	95.9%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	6045 by year	43.3°F	10.5°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	458	0.30	84	28	3.0*	map	table
Extreme low events Days with TMAX<=27°F	426	-0.37	63	123	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>=59°F	458	-0.31	28	78	2.8*	map	table
Extreme low events Days with TMAX<=27°F	426	0.53	130	44	3.0*	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	458	91	61	1.5*	map	table
Extreme low events Days with TMAX<=27°F	426	51	39	1.3	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	6047 by year	25.6°F	11.1°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<=8°F	445	-0.23	69	101	1.5*	map	table
Extreme high events Days with TMIN>=42°F	407	0.26	63	26	2.4*	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<=8°F	445	0.51	140	54	2.6*	map	table
Extreme high events Days with TMIN>=42°F	407	-0.18	31	63	2.0*	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<=8°F	445	59	36	1.6*	map	table
Extreme high events Days with TMIN>=42°F	407	88	44	2.0*	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	7431 by year	0.15"		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"	2670	0.41"	-0.00	420	427	1.0	map	table
Extreme events Days with PRCP>0.68"	530	1.21"	0.03	86	81	1.1	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"	2670	0.41"	-0.02	449	472	1.1	map	table
Extreme events Days with PRCP>0.68"	530	1.21"	0.19	107	67	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"	2670	0.41"	419	460	1.1	map	table
Extreme events Days with PRCP>0.68"	530	1.21"	90	78	1.2	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	7254 by year	0.16"		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"	551	2.10"	-0.24	74	130	1.8*	map	table
Extreme events Days with SNOW>3.3"	109	5.54"	-0.28	11	30	2.7*	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"	551	2.10"	0.20	132	92	1.4*	map	table
Extreme events Days with SNOW>3.3"	109	5.54"	0.45	36	14	2.6*	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"	551	2.10"	62	77	1.2	map	table
Extreme events Days with SNOW>3.3"	109	5.54"	14	16	1.1	map	table

SNOW under 2 index extremes Help

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