GRAFTON, NH - COOP Northeast station 273530

273530 - GRAFTON, New Hampshire

Latitude
43° 34´N

Longitude
71° 57´W

Elevation
253 meters

10 nearest COOP Northeast stations

5 mi	SSE :	SOUTH DANBURY, NH
7 mi	NE :	ALEXANDRIA, NH
8 mi	SSE :	WILMOT, NH
9 mi	ENE :	ALEXANDRIA 4, NH
9 mi	NW :	WEST CANAAN, NH
9 mi	ENE :	ALEXANDRIA 3, NH
11 mi	SSW :	NEW LONDON, NH
11 mi	E :	BRISTOL 2, NH
12 mi	N :	BUCKS CORNER, NH
12 mi	E :	BRISTOL, NH

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

	Total observations	%	NDJFM observations	%
TMAX	15045	82.4%	6184	81.8%
TMIN	15036	82.3%	6178	81.7%
PRCP	15063	82.5%	6185	81.8%
SNOW	15041	82.4%	6149	81.3%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	6184 by year	35.3°F	12.0°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>=54°F	435	0.39	104	31	3.4*	map	table
Extreme low events Days with TMAX<=17°F	440	-0.07	92	102	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>=54°F	435	-0.20	34	63	1.9*	map	table
Extreme low events Days with TMAX<=17°F	440	0.35	105	51	2.1*	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>=54°F	435	79	45	1.8*	map	table
Extreme low events Days with TMAX<=17°F	440	67	50	1.3	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	6178 by year	13.0°F	15.2°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<=-12°F	440	0.06	96	77	1.2	map	table
Extreme high events Days with TMIN>=33°F	427	0.12	59	37	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<=-12°F	440	0.20	102	72	1.4	map	table
Extreme high events Days with TMIN>=33°F	427	-0.02	50	62	1.2	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<=-12°F	440	54	48	1.1	map	table
Extreme high events Days with TMIN>=33°F	427	91	49	1.9*	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	6185 by year	0.10"		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"	2081	0.29"	-0.00	323	335	1.0	map	table
Extreme events Days with PRCP>0.50"	411	0.86"	-0.12	59	75	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"	2081	0.29"	0.03	360	338	1.1	map	table
Extreme events Days with PRCP>0.50"	411	0.86"	0.25	83	39	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"	2081	0.29"	403	222	1.8*	map	table
Extreme events Days with PRCP>0.50"	411	0.86"	103	44	2.3*	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	6149 by year	0.53"		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"	1297	2.52"	-0.09	212	266	1.3*	map	table
Extreme events Days with SNOW>4.0"	228	7.17"	-0.28	25	57	2.3*	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"	1297	2.52"	0.13	269	211	1.3*	map	table
Extreme events Days with SNOW>4.0"	228	7.17"	0.26	54	31	1.7*	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"	1297	2.52"	226	145	1.6*	map	table
Extreme events Days with SNOW>4.0"	228	7.17"	41	23	1.8*	map	table

SNOW under 2 index extremes Help

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