SILVERTON 4 SE, OR - COOP Northwest station 357827

357827 - SILVERTON 4 SE, Oregon

Latitude
44° 58´N

Longitude
122° 44´W

Elevation
311 meters

10 nearest COOP Northwest stations

5 mi	SSE :	SILVER CREEK FALLS, OR
6 mi	E :	SCOTTS MILLS 9 SE, OR
7 mi	E :	SUNDOWN RANCH, OR
8 mi	SSW :	STAYTON, OR
8 mi	SSE :	MEHAMA, OR
14 mi	S :	LACOMB 3 NNE, OR
16 mi	S :	LACOMB 1 WNW, OR
18 mi	SE :	DETROIT DAM, OR
18 mi	ESE :	DETROIT, OR
19 mi	S :	WATERLOO, OR

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

	Total observations	%	NDJFM observations	%
TMAX	4285	23.5%	1801	23.8%
TMIN	4229	23.2%	1772	23.4%
PRCP	4532	24.8%	1873	24.8%
SNOW	4297	23.5%	1790	23.7%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	1801 by year	47.5°F	7.2°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>=57°F	158	-0.46	10	35	3.5*	map	table
Extreme low events Days with TMAX<=37°F	153	-0.28	30	45	1.5	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>=57°F	158	0.68	54	5	10.8*	map	table
Extreme low events Days with TMAX<=37°F	153	-0.79	11	58	5.3*	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>=57°F	158	15	40	2.7*	map	table
Extreme low events Days with TMAX<=37°F	153	2	42	21.0*	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	1772 by year	35.0°F	6.9°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<=25°F	126	-0.43	22	41	1.9	map	table
Extreme high events Days with TMIN>=45°F	123	-0.50	3	27	9.0*	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<=25°F	126	-0.60	10	38	3.8*	map	table
Extreme high events Days with TMIN>=45°F	123	0.65	32	1	32.0*	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<=25°F	126	0	35	Inf*	map	table
Extreme high events Days with TMIN>=45°F	123	12	37	3.1*	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	1873 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"	1173	0.35"	-0.31	129	277	2.1*	map	table
Extreme events Days with PRCP>0.56"	234	0.98"	-0.17	25	39	1.6	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"	1173	0.35"	-0.11	168	202	1.2	map	table
Extreme events Days with PRCP>0.56"	234	0.98"	-0.13	25	33	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"	1173	0.35"	90	349	3.9*	map	table
Extreme events Days with PRCP>0.56"	234	0.98"	21	65	3.1*	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	1790 by year	0.08"		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"	62	2.25"	-0.69	7	22	3.1*	map	table
Extreme events Days with SNOW>3.5"	12	5.20"	-0.64	1	5	5.0	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"	62	2.25"	-1.61	0	38	Inf*	map	table
Extreme events Days with SNOW>3.5"	12	5.20"	-1.64	0	8	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"	62	2.25"	0	25	Inf*	map	table
Extreme events Days with SNOW>3.5"	12	5.20"	0	3	Inf	map	table

SNOW under 2 index extremes Help

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