TONOLOWAY, MD - COOP Mid-Atlantic station 188855

188855 - TONOLOWAY, Maryland

Latitude
39° 40´N

Longitude
78° 15´W

Elevation
168 meters

COOP Mid-Atlantic

10 nearest COOP Mid-Atlantic stations

4 mi	SSE :	BERKELEY SPRINGS, WV
4 mi	ENE :	HANCOCK, MD
4 mi	ENE :	HANCOCK, MD
12 mi	S :	OMPS, WV
12 mi	SSW :	CACAPON STATE PARK 2, WV
16 mi	WSW :	PICARDY, MD
19 mi	E :	CLEAR SPRING 1 ENE, MD
23 mi	ESE :	WILLIAMSPORT, MD
23 mi	SE :	MARTINSBURG EASTERN WV REG AP, WV
23 mi	SSE :	INWOOD, WV

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

	Total observations	%	NDJFM observations	%
TMAX	3028	16.6%	1229	16.3%
TMIN	2957	16.2%	1223	16.2%
PRCP	2918	16.0%	1150	15.2%
SNOW	2732	15.0%	987	13.1%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	1229 by year	49.0°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>=68°F	85	-0.28	6	15	2.5*	map	table
Extreme low events Days with TMAX<=33°F	82	-0.21	12	16	1.3	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>=68°F	85	-0.77	1	20	20.0*	map	table
Extreme low events Days with TMAX<=33°F	82	-0.03	13	17	1.3	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>=68°F	85	0	33	Inf*	map	table
Extreme low events Days with TMAX<=33°F	82	0	46	Inf*	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	1223 by year	27.6°F	9.9°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	88	0.02	17	18	1.1	map	table
Extreme high events Days with TMIN>=42°F	92	-0.11	11	14	1.3	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	88	-0.19	11	18	1.6	map	table
Extreme high events Days with TMIN>=42°F	92	-0.47	2	19	9.5*	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	88	0	48	Inf*	map	table
Extreme high events Days with TMIN>=42°F	92	0	23	Inf*	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	1150 by year	0.11"		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"	238	0.51"	-0.21	34	54	1.6	map	table
Extreme events Days with PRCP>0.83"	45	1.36"	-0.37	2	11	5.5*	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"	238	0.51"	-0.46	21	64	3.0*	map	table
Extreme events Days with PRCP>0.83"	45	1.36"	-0.10	4	8	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"	238	0.51"	0	113	Inf*	map	table
Extreme events Days with PRCP>0.83"	45	1.36"	0	21	Inf*	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	987 by year	0.08"		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"	31	2.64"	-0.14	7	8	1.1	map	table
Extreme events Days with SNOW>3.0"	6	6.17"	-0.02	1	1	1.0	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"	31	2.64"	-0.06	5	7	1.4	map	table
Extreme events Days with SNOW>3.0"	6	6.17"	0.21	2	0	Inf	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"	31	2.64"	0	12	Inf*	map	table
Extreme events Days with SNOW>3.0"	6	6.17"	0	2	Inf	map	table

SNOW under 2 index extremes Help

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