HEADWORKS PORTLAND WTRB, OR - HCND station 353770

353770 - HEADWORKS PORTLAND WTRB, Oregon

Latitude
45° 28´N

Longitude
122° 10´W

Elevation
748 feet

10 nearest HCND stations

24 mi	S :	THREE LYNX, OR
29 mi	WNW :	VANCOUVER 4NNE, WA
35 mi	ENE :	HOOD RIVER EXPERIMENT STN, OR
46 mi	W :	FOREST GROVE, OR
49 mi	E :	DUFUR, OR
52 mi	WSW :	MCMINNVILLE, OR
61 mi	NW :	LONGVIEW, WA
70 mi	E :	MORO, OR
74 mi	SSW :	CASCADIA, OR
76 mi	SW :	CORVALLIS STATE UNIV, OR

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

	Total observations	%	NDJFM observations	%
TMAX	18037	98.8%	7509	99.3%
TMIN	18115	99.2%	7529	99.6%
PRCP	17479	95.7%	7315	96.7%
SNOW	12024	65.8%	4832	63.9%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7509 by year	48.5°F	8.1°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>=61°F	511	0.15	99	55	1.8*	map	table
Extreme low events Days with TMAX<=37°F	585	-0.09	120	139	1.2	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>=61°F	511	0.84	186	13	14.3*	map	table
Extreme low events Days with TMAX<=37°F	585	-1.31	4	300	75.0*	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>=61°F	511	109	45	2.4*	map	table
Extreme low events Days with TMAX<=37°F	585	64	138	2.2*	map	table

TMAX under 2 index extremes Help

Maps - choose one extreme:

TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7529 by year	35.5°F	6.2°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<=27°F	567	-0.05	113	123	1.1	map	table
Extreme high events Days with TMIN>=44°F	620	0.05	77	72	1.1	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<=27°F	567	-0.90	22	226	10.3*	map	table
Extreme high events Days with TMIN>=44°F	620	0.78	215	15	14.3*	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<=27°F	567	55	119	2.2*	map	table
Extreme high events Days with TMIN>=44°F	620	121	63	1.9*	map	table

TMIN under 2 index extremes Help

Maps - choose one extreme:

PRCP (total liquid water equivalent) Help top of page

PRCP	observations	mean		Distribution	during extreme days of
NDJFM	7315 by year	0.35"		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"	5028	0.51"	0.00	829	837	1.0	map	table
Extreme events Days with PRCP>0.82"	996	1.34"	0.08	184	140	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"	5028	0.51"	-0.16	675	957	1.4*	map	table
Extreme events Days with PRCP>0.82"	996	1.34"	-0.23	116	189	1.6*	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"	5028	0.51"	802	896	1.1*	map	table
Extreme events Days with PRCP>0.82"	996	1.34"	144	196	1.4*	map	table

PRCP under 2 index extremes Help

Maps - choose one extreme:

SNOW Help top of page

SNOW	observations	mean		Distribution	during extreme days of
NDJFM	4832 by year	0.15"		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"	307	2.35"	-0.22	50	71	1.4	map	table
Extreme events Days with SNOW>4.0"	46	6.45"	-0.55	6	15	2.5	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"	307	2.35"	-1.47	1	181	181.0*	map	table
Extreme events Days with SNOW>4.0"	46	6.45"	-1.58	0	28	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"	307	2.35"	45	80	1.8*	map	table
Extreme events Days with SNOW>4.0"	46	6.45"	8	16	2.0	map	table

SNOW under 2 index extremes Help

Maps - choose one extreme: