TACOMA CITY HALL, WA - COOP Northwest station 458286

458286 - TACOMA CITY HALL, Washington

Latitude
47° 15´N

Longitude
122° 26´W

Elevation
82 meters

10 nearest COOP Northwest stations

0 mi	E :	TACOMA 1, WA
3 mi	SE :	PUYALLUP 2 W EXP STN, WA
3 mi	SE :	PUYALLUP 3 W, WA
4 mi	SSW :	MC CHORD AFB, WA
7 mi	SE :	MC MILLIN RESERVOIR, WA
8 mi	NE :	KENT, WA
8 mi	NNW :	VASHON ISLAND, WA
9 mi	WNW :	WAUNA 3 W, WA
10 mi	NNE :	SEATTLE SEATTLE-TACOMA INTL A, WA
11 mi	SE :	ORTING 4 S, WA

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

	Total observations	%	NDJFM observations	%
TMAX	11828	64.8%	4887	64.6%
TMIN	11796	64.6%	4853	64.2%
PRCP	11889	65.1%	4894	64.7%
SNOW	9402	51.5%	3537	46.8%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	4887 by year	49.4°F	6.9°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>=59°F	382	-0.15	40	72	1.8*	map	table
Extreme low events Days with TMAX<=39°F	349	-0.34	51	95	1.9*	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>=59°F	382	0.83	133	12	11.1*	map	table
Extreme low events Days with TMAX<=39°F	349	-1.34	3	189	63.0*	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>=59°F	382	46	60	1.3	map	table
Extreme low events Days with TMAX<=39°F	349	50	92	1.8*	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	4853 by year	37.1°F	6.5°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<=28°F	399	-0.24	67	97	1.4	map	table
Extreme high events Days with TMIN>=46°F	387	-0.14	38	56	1.5	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<=28°F	399	-1.08	17	183	10.8*	map	table
Extreme high events Days with TMIN>=46°F	387	0.70	116	12	9.7*	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<=28°F	399	45	115	2.6*	map	table
Extreme high events Days with TMIN>=46°F	387	36	98	2.7*	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	4894 by year	0.16"		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"	3061	0.26"	-0.18	394	596	1.5*	map	table
Extreme events Days with PRCP>0.43"	606	0.74"	-0.17	81	118	1.5*	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"	3061	0.26"	-0.17	397	588	1.5*	map	table
Extreme events Days with PRCP>0.43"	606	0.74"	-0.09	82	103	1.3	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"	3061	0.26"	373	721	1.9*	map	table
Extreme events Days with PRCP>0.43"	606	0.74"	60	162	2.7*	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	3537 by year	0.04"		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"	75	1.67"	0.15	13	11	1.2	map	table
Extreme events Days with SNOW>2.2"	15	5.27"	-0.13	3	4	1.3	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"	75	1.67"	-1.71	0	51	Inf*	map	table
Extreme events Days with SNOW>2.2"	15	5.27"	-1.72	0	12	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"	75	1.67"	0	42	Inf*	map	table
Extreme events Days with SNOW>2.2"	15	5.27"	0	7	Inf	map	table

SNOW under 2 index extremes Help

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