GLENHAM, NY - HCND station 303259

303259 - GLENHAM, New York

Latitude
41° 31´N

Longitude
73° 56´W

Elevation
275 feet

10 nearest HCND stations

9 mi	S :	WEST POINT, NY
21 mi	NNW :	MOHONK LAKE, NY
37 mi	S :	SCARSDALE, NY
40 mi	WSW :	PORT JERVIS, NY
42 mi	SW :	CHARLOTTEBURG RESERVOIR, NJ
42 mi	NE :	FALLS VILLAGE, CT
49 mi	SSW :	BOONTON 1SE, NJ
50 mi	S :	NEW YORK CENTRAL PARK, NY
58 mi	SE :	SETAUKET STRONG, NY
67 mi	SSW :	PLAINFIELD, NJ

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

	Total observations	%	NDJFM observations	%
TMAX	17436	95.5%	7136	94.4%
TMIN	17049	93.4%	6927	91.6%
PRCP	13141	72.0%	5262	69.6%
SNOW	12113	66.3%	4733	62.6%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7136 by year	43.0°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>=62°F	495	0.28	91	38	2.4*	map	table
Extreme low events Days with TMAX<=25°F	485	-0.24	79	118	1.5*	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>=62°F	495	-0.28	32	83	2.6*	map	table
Extreme low events Days with TMAX<=25°F	485	0.39	133	63	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>=62°F	495	75	95	1.3	map	table
Extreme low events Days with TMAX<=25°F	485	50	69	1.4	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	6927 by year	23.9°F	11.8°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	493	-0.16	83	111	1.3	map	table
Extreme high events Days with TMIN>=40°F	511	0.09	67	42	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	493	0.37	135	67	2.0*	map	table
Extreme high events Days with TMIN>=40°F	511	-0.22	35	83	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<=5°F	493	65	61	1.1	map	table
Extreme high events Days with TMIN>=40°F	511	73	86	1.2	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	5262 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"	2382	0.34"	-0.04	359	404	1.1	map	table
Extreme events Days with PRCP>0.58"	462	1.02"	-0.07	71	77	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"	2382	0.34"	-0.03	398	426	1.1	map	table
Extreme events Days with PRCP>0.58"	462	1.02"	0.23	102	57	1.8*	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"	2382	0.34"	347	435	1.3*	map	table
Extreme events Days with PRCP>0.58"	462	1.02"	85	72	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	4733 by year	0.39"		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"	775	2.38"	-0.18	122	177	1.5*	map	table
Extreme events Days with SNOW>3.8"	155	6.66"	-0.25	12	33	2.8*	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"	775	2.38"	0.17	173	134	1.3	map	table
Extreme events Days with SNOW>3.8"	155	6.66"	0.54	51	16	3.2*	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"	775	2.38"	106	109	1.0	map	table
Extreme events Days with SNOW>3.8"	155	6.66"	25	21	1.2	map	table

SNOW under 2 index extremes Help

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