POTTER VALLEY P H, CA - COOP Southwest station 047109

047109 - POTTER VALLEY P H, California

Latitude
39° 22´N

Longitude
123° 8´W

Elevation
309 meters

10 nearest COOP Southwest stations

5 mi	SSW :	REDWOOD VALLEY, CA
6 mi	W :	WILLITS HOWARD FOREST RS, CA
7 mi	WNW :	WILLITS 1 NE, CA
8 mi	SSE :	UPPER LAKE 7 W, CA
9 mi	SSW :	UKIAH, CA
10 mi	SSW :	UKIAH MUNICIPAL AP, CA
10 mi	SSW :	UKIAH 4 W, CA
11 mi	SSW :	UKIAH 4 WSW, CA
11 mi	SSW :	UKIAH 4 SW, CA
15 mi	S :	HOPLAND LARGO STN, CA

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

	Total observations	%	NDJFM observations	%
TMAX	16319	89.4%	6792	89.8%
TMIN	16395	89.8%	6836	90.4%
PRCP	17721	97.0%	7318	96.8%
SNOW	17687	96.8%	7280	96.3%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	6792 by year	60.1°F	9.0°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>=75°F	503	0.06	76	61	1.2	map	table
Extreme low events Days with TMAX<=48°F	559	0.26	128	81	1.6*	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>=75°F	503	0.42	117	40	2.9*	map	table
Extreme low events Days with TMAX<=48°F	559	-0.94	27	247	9.1*	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>=75°F	503	37	86	2.3*	map	table
Extreme low events Days with TMAX<=48°F	559	96	91	1.1	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	6836 by year	35.7°F	7.5°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<=25°F	547	0.07	97	92	1.1	map	table
Extreme high events Days with TMIN>=48°F	481	-0.14	58	89	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<=25°F	547	-0.81	36	205	5.7*	map	table
Extreme high events Days with TMIN>=48°F	481	0.41	119	36	3.3*	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<=25°F	547	73	83	1.1	map	table
Extreme high events Days with TMIN>=48°F	481	63	85	1.3	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	7318 by year	0.24"		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"	2808	0.64"	-0.04	450	494	1.1	map	table
Extreme events Days with PRCP>1.04"	560	1.80"	-0.06	85	101	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"	2808	0.64"	-0.10	417	534	1.3*	map	table
Extreme events Days with PRCP>1.04"	560	1.80"	-0.14	86	110	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"	2808	0.64"	532	459	1.2*	map	table
Extreme events Days with PRCP>1.04"	560	1.80"	112	95	1.2	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	7280 by year	0.01"		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"	19	2.06"	-0.34	2	4	2.0	map	table
Extreme events Days with SNOW>3.0"	3	4.60"	-0.05	0	0	NaN	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"	19	2.06"	-1.91	0	15	Inf	map	table
Extreme events Days with SNOW>3.0"	3	4.60"	-1.88	0	2	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"	19	2.06"	2	3	1.5	map	table
Extreme events Days with SNOW>3.0"	3	4.60"	1	0	Inf	map	table

SNOW under 2 index extremes Help

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