TANANA RALPH M CALHOUN MEM AP, AK - COOP Alaska station 509014

509014 - TANANA RALPH M CALHOUN MEM AP, Alaska

Latitude
65° 10´N

Longitude
152° 6´W

Elevation
71 meters

Alaska

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10 nearest COOP Alaska stations

0 mi	N :	TANANA, AK
49 mi	E :	MANLEY HOT SPRINGS, AK
52 mi	NW :	INDIAN MOUNTAIN, AK
59 mi	ENE :	RAMPART 2, AK
80 mi	ENE :	FIVE MILE, AK
86 mi	N :	ALLAKAKET, AK
88 mi	NW :	HUGHES, AK
94 mi	NNE :	OLD MAN, AK
101 mi	N :	BETTLES CAA, AK
102 mi	NNE :	BETTLES FIELD, AK

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

	Total observations	%	NDJFM observations	%
TMAX	17211	94.2%	7108	94.0%
TMIN	17210	94.2%	7109	94.0%
PRCP	17359	95.1%	7203	95.2%
SNOW	17329	94.9%	7204	95.3%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7108 by year	5.2°F	17.8°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>=29°F	529	0.12	122	83	1.5*	map	table
Extreme low events Days with TMAX<=-24°F	477	0.04	93	82	1.1	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>=29°F	529	0.22	135	83	1.6*	map	table
Extreme low events Days with TMAX<=-24°F	477	-0.55	31	129	4.2*	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>=29°F	529	81	78	1.0	map	table
Extreme low events Days with TMAX<=-24°F	477	66	108	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	7109 by year	-12.3°F	19.5°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<=-44°F	520	0.08	110	93	1.2	map	table
Extreme high events Days with TMIN>=15°F	494	0.13	102	62	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<=-44°F	520	-0.47	41	128	3.1*	map	table
Extreme high events Days with TMIN>=15°F	494	0.27	125	79	1.6*	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<=-44°F	520	73	131	1.8*	map	table
Extreme high events Days with TMIN>=15°F	494	79	48	1.6*	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	7203 by year	0.02"		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"	1908	0.08"	0.19	402	256	1.6*	map	table
Extreme events Days with PRCP>0.12"	349	0.24"	0.20	79	57	1.4	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"	1908	0.08"	-0.20	276	405	1.5*	map	table
Extreme events Days with PRCP>0.12"	349	0.24"	-0.50	39	103	2.6*	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"	1908	0.08"	257	321	1.2*	map	table
Extreme events Days with PRCP>0.12"	349	0.24"	37	61	1.6*	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	7204 by year	0.25"		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"	1881	0.95"	0.20	401	258	1.6*	map	table
Extreme events Days with SNOW>1.4"	346	2.90"	0.18	78	65	1.2	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"	1881	0.95"	-0.22	261	402	1.5*	map	table
Extreme events Days with SNOW>1.4"	346	2.90"	-0.47	41	98	2.4*	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"	1881	0.95"	247	315	1.3*	map	table
Extreme events Days with SNOW>1.4"	346	2.90"	34	62	1.8*	map	table

SNOW under 2 index extremes Help

Station table

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