PETERSBURG, AK - COOP Alaska station 507233

507233 - PETERSBURG, Alaska

Latitude
56° 49´N

Longitude
132° 58´W

Elevation
16 meters

Alaska

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10 nearest COOP Alaska stations

1 mi	SSE :	PETERSBURG, AK
19 mi	SE :	WRANGELL AIRPORT, AK
23 mi	SW :	LEVEL ISLAND, AK
32 mi	S :	LINCOLN ROCK LIGHT S, AK
34 mi	S :	COFFMAN COVE, AK
37 mi	SW :	PORT PROTECTION, AK
37 mi	W :	KAKE, AK
38 mi	W :	KAKE, AK
55 mi	NNW :	FIVE FINGER LIGHT ST, AK
65 mi	NNW :	WINDHAM, AK

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

	Total observations	%	NDJFM observations	%
TMAX	10359	56.7%	4311	57.0%
TMIN	10363	56.7%	4311	57.0%
PRCP	10476	57.4%	4363	57.7%
SNOW	10412	57.0%	4299	56.8%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	4311 by year	36.4°F	8.6°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>=47°F	307	-0.33	17	52	3.1*	map	table
Extreme low events Days with TMAX<=21°F	292	-0.61	16	83	5.2*	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>=47°F	307	1.43	170	3	56.7*	map	table
Extreme low events Days with TMAX<=21°F	292	-1.37	3	156	52.0*	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>=47°F	307	38	51	1.3	map	table
Extreme low events Days with TMAX<=21°F	292	51	84	1.6*	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	4311 by year	25.8°F	10.7°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<=6°F	320	-0.57	19	84	4.4*	map	table
Extreme high events Days with TMIN>=38°F	301	-0.33	15	52	3.5*	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<=6°F	320	-1.29	3	163	54.3*	map	table
Extreme high events Days with TMIN>=38°F	301	1.36	157	0	Inf*	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<=6°F	320	53	101	1.9*	map	table
Extreme high events Days with TMIN>=38°F	301	34	58	1.7*	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	4363 by year	0.31"		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"	2938	0.46"	-0.20	348	560	1.6*	map	table
Extreme events Days with PRCP>0.73"	587	1.25"	-0.08	72	96	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"	2938	0.46"	0.12	527	399	1.3*	map	table
Extreme events Days with PRCP>0.73"	587	1.25"	0.55	153	36	4.2*	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"	2938	0.46"	381	675	1.8*	map	table
Extreme events Days with PRCP>0.73"	587	1.25"	70	119	1.7*	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	4299 by year	0.73"		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"	1155	2.73"	-0.19	152	234	1.5*	map	table
Extreme events Days with SNOW>4.0"	228	7.05"	-0.23	33	52	1.6	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"	1155	2.73"	-0.57	52	299	5.8*	map	table
Extreme events Days with SNOW>4.0"	228	7.05"	-0.60	6	57	9.5*	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"	1155	2.73"	149	314	2.1*	map	table
Extreme events Days with SNOW>4.0"	228	7.05"	31	69	2.2*	map	table

SNOW under 2 index extremes Help

Station table

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