MCGRATH ARPT, AK - COOP Alaska station 505769

505769 - MCGRATH ARPT, Alaska

Latitude
62° 57´N

Longitude
155° 36´W

Elevation
105 meters

Alaska

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10 nearest COOP Alaska stations

7 mi	WSW :	TATALINA, AK
47 mi	NE :	NIKOLAI, AK
61 mi	ESE :	FAREWELL FAA AP, AK
66 mi	ESE :	FAREWELL LAKE, AK
87 mi	WSW :	FLAT, AK
98 mi	SW :	SLEETMUTE, AK
100 mi	ESE :	PUNTILLA, AK
104 mi	S :	SPARREVOHN, AK
114 mi	SW :	CROOKED CREEK, AK
116 mi	SW :	CROOKED CREEK, AK

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

	Total observations	%	NDJFM observations	%
TMAX	18155	99.4%	7455	98.6%
TMIN	17930	98.2%	7237	95.7%
PRCP	18262	100.0%	7563	100.0%
SNOW	18192	99.6%	7498	99.1%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7455 by year	10.0°F	18.7°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>=36°F	585	0.06	126	96	1.3	map	table
Extreme low events Days with TMAX<=-19°F	547	-0.04	107	107	1.0	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>=36°F	585	0.29	141	75	1.9*	map	table
Extreme low events Days with TMAX<=-19°F	547	-0.38	41	118	2.9*	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>=36°F	585	86	63	1.4	map	table
Extreme low events Days with TMAX<=-19°F	547	100	128	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	7237 by year	-9.8°F	20.5°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<=-43°F	489	0.06	102	91	1.1	map	table
Extreme high events Days with TMIN>=21°F	487	0.23	121	55	2.2*	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<=-43°F	489	-0.44	34	110	3.2*	map	table
Extreme high events Days with TMIN>=21°F	487	-0.08	85	92	1.1	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<=-43°F	489	84	139	1.7*	map	table
Extreme high events Days with TMIN>=21°F	487	65	42	1.5*	map	table

TMIN under 2 index extremes Help

Station table

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PRCP (total liquid water equivalent) Help top of page

PRCP	observations	mean		Distribution	during extreme days of
NDJFM	7563 by year	0.03"		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"	2490	0.10"	0.13	471	334	1.4*	map	table
Extreme events Days with PRCP>0.15"	474	0.33"	0.27	102	54	1.9*	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"	2490	0.10"	-0.11	368	485	1.3*	map	table
Extreme events Days with PRCP>0.15"	474	0.33"	-0.55	38	144	3.8*	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"	2490	0.10"	367	384	1.0	map	table
Extreme events Days with PRCP>0.15"	474	0.33"	63	81	1.3	map	table

PRCP under 2 index extremes Help

Station table

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SNOW Help top of page

SNOW	observations	mean		Distribution	during extreme days of
NDJFM	7498 by year	0.48"		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"	2754	1.32"	0.11	507	384	1.3*	map	table
Extreme events Days with SNOW>2.0"	547	3.98"	0.21	117	76	1.5*	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"	2754	1.32"	-0.11	403	529	1.3*	map	table
Extreme events Days with SNOW>2.0"	547	3.98"	-0.50	52	160	3.1*	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"	2754	1.32"	455	428	1.1	map	table
Extreme events Days with SNOW>2.0"	547	3.98"	84	90	1.1	map	table

SNOW under 2 index extremes Help

Station table

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