PETERSBURG, AK - COOP Alaska station 507251

507251 - PETERSBURG, Alaska

Latitude
56° 48´N

Longitude
132° 57´W

Elevation
33 meters

Alaska

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10 nearest COOP Alaska stations

1 mi	NNW :	PETERSBURG, AK
19 mi	SE :	WRANGELL AIRPORT, AK
23 mi	SW :	LEVEL ISLAND, AK
31 mi	S :	LINCOLN ROCK LIGHT S, AK
33 mi	S :	COFFMAN COVE, AK
37 mi	WSW :	PORT PROTECTION, AK
38 mi	W :	KAKE, AK
39 mi	W :	KAKE, AK
56 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	4600	25.2%	1932	25.5%
TMIN	4601	25.2%	1931	25.5%
PRCP	4603	25.2%	1923	25.4%
SNOW	4582	25.1%	1896	25.1%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	1932 by year	38.8°F	7.5°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>=48°F	170	0.14	34	25	1.4	map	table
Extreme low events Days with TMAX<=26°F	144	0.08	34	35	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>=48°F	170	1.15	76	2	38.0*	map	table
Extreme low events Days with TMAX<=26°F	144	-1.15	3	68	22.7*	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>=48°F	170	48	11	4.4*	map	table
Extreme low events Days with TMAX<=26°F	144	9	6	1.5	map	table

TMAX under 2 index extremes Help

Station table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	1931 by year	27.8°F	8.9°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<=11°F	131	-0.12	23	35	1.5	map	table
Extreme high events Days with TMIN>=38°F	172	0.22	32	20	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<=11°F	131	-1.09	4	59	14.8*	map	table
Extreme high events Days with TMIN>=38°F	172	1.11	73	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<=11°F	131	13	10	1.3	map	table
Extreme high events Days with TMIN>=38°F	172	47	21	2.2*	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	1923 by year	0.37"		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"	1349	0.53"	0.43	335	123	2.7*	map	table
Extreme events Days with PRCP>0.82"	269	1.49"	0.56	79	22	3.6*	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"	1349	0.53"	0.28	293	152	1.9*	map	table
Extreme events Days with PRCP>0.82"	269	1.49"	0.69	87	15	5.8*	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"	1349	0.53"	325	99	3.3*	map	table
Extreme events Days with PRCP>0.82"	269	1.49"	69	14	4.9*	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	1896 by year	0.43"		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"	323	2.50"	0.77	110	23	4.8*	map	table
Extreme events Days with SNOW>4.0"	55	6.53"	0.61	18	8	2.2	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"	323	2.50"	-0.69	16	100	6.2*	map	table
Extreme events Days with SNOW>4.0"	55	6.53"	-0.86	1	18	18.0*	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"	323	2.50"	58	35	1.7*	map	table
Extreme events Days with SNOW>4.0"	55	6.53"	6	7	1.2	map	table

SNOW under 2 index extremes Help

Station table

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