FOREST GROVE, OR - COOP Northwest station 352997

352997 - FOREST GROVE, Oregon

Latitude
45° 31´N

Longitude
123° 6´W

Elevation
55 meters

10 nearest COOP Northwest stations

1 mi	SSW :	DILLEY 1 S, OR
3 mi	WSW :	SCOGGINS DAM 2, OR
6 mi	SW :	CHERRY GROVE 2 S, OR
7 mi	N :	BUXTON 5 E MEACHAM RANC, OR
8 mi	NNW :	BUXTON, OR
8 mi	NW :	GLENWOOD 2 WNW, OR
10 mi	NW :	TIMBER, OR
11 mi	SW :	HASKINS DAM, OR
13 mi	S :	MC MINNVILLE, OR
13 mi	WNW :	LEES CAMP, OR

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

	Total observations	%	NDJFM observations	%
TMAX	18111	99.2%	7522	99.5%
TMIN	18107	99.1%	7513	99.3%
PRCP	18118	99.2%	7518	99.4%
SNOW	17975	98.4%	7371	97.5%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7522 by year	50.0°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	633	0.12	104	72	1.4*	map	table
Extreme low events Days with TMAX<=38°F	606	-0.08	117	140	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	633	0.72	206	21	9.8*	map	table
Extreme low events Days with TMAX<=38°F	606	-0.92	21	249	11.9*	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	633	119	65	1.8*	map	table
Extreme low events Days with TMAX<=38°F	606	73	113	1.5*	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	7513 by year	34.7°F	7.7°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<=23°F	509	0.01	102	98	1.0	map	table
Extreme high events Days with TMIN>=45°F	653	-0.00	86	89	1.0	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<=23°F	509	-0.62	56	182	3.2*	map	table
Extreme high events Days with TMIN>=45°F	653	0.58	176	31	5.7*	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<=23°F	509	49	84	1.7*	map	table
Extreme high events Days with TMIN>=45°F	653	115	109	1.1	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	7518 by year	0.22"		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"	4622	0.35"	0.01	774	745	1.0	map	table
Extreme events Days with PRCP>0.59"	911	1.00"	0.01	151	131	1.2	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"	4622	0.35"	-0.13	641	870	1.4*	map	table
Extreme events Days with PRCP>0.59"	911	1.00"	-0.12	126	170	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"	4622	0.35"	752	838	1.1*	map	table
Extreme events Days with PRCP>0.59"	911	1.00"	158	171	1.1	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	7371 by year	0.07"		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"	218	2.26"	-0.35	28	54	1.9*	map	table
Extreme events Days with SNOW>3.5"	42	5.66"	-0.34	6	11	1.8	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"	218	2.26"	-1.53	2	138	69.0*	map	table
Extreme events Days with SNOW>3.5"	42	5.66"	-1.72	0	29	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"	218	2.26"	22	76	3.5*	map	table
Extreme events Days with SNOW>3.5"	42	5.66"	5	14	2.8	map	table

SNOW under 2 index extremes Help

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