GRATON, CA - COOP Southwest station 043578

043578 - GRATON, California

Latitude
38° 26´N

Longitude
122° 52´W

Elevation
61 meters

10 nearest COOP Southwest stations

2 mi	ESE :	SEBASTOPOL, CA
3 mi	WSW :	OCCIDENTAL, CA
5 mi	E :	SANTA ROSA, CA
8 mi	N :	HEALDSBURG, CA
8 mi	N :	HEALDSBURG NO 2, CA
10 mi	SE :	PETALUMA FIRE STA 2, CA
10 mi	NE :	KNIGHTS VALLEY, CA
11 mi	SE :	PETALUMA 1 N, CA
11 mi	ENE :	SAINT HELENA 4 WSW, CA
12 mi	ENE :	CALISTOGA, CA

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

	Total observations	%	NDJFM observations	%
TMAX	18025	98.7%	7452	98.5%
TMIN	18027	98.7%	7453	98.5%
PRCP	18070	98.9%	7472	98.8%
SNOW	18070	98.9%	7470	98.8%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7452 by year	60.4°F	7.8°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>=73°F	560	0.10	79	61	1.3	map	table
Extreme low events Days with TMAX<=50°F	682	-0.05	122	128	1.0	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>=73°F	560	0.33	112	37	3.0*	map	table
Extreme low events Days with TMAX<=50°F	682	-0.37	113	218	1.9*	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>=73°F	560	66	67	1.0	map	table
Extreme low events Days with TMAX<=50°F	682	134	111	1.2	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	7453 by year	37.4°F	7.2°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	521	0.19	108	72	1.5*	map	table
Extreme high events Days with TMIN>=49°F	633	-0.20	77	132	1.7*	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	521	-0.78	40	192	4.8*	map	table
Extreme high events Days with TMIN>=49°F	633	0.36	150	56	2.7*	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<=27°F	521	62	92	1.5*	map	table
Extreme high events Days with TMIN>=49°F	633	114	105	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	7472 by year	0.23"		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"	2827	0.61"	-0.04	449	487	1.1	map	table
Extreme events Days with PRCP>1.00"	564	1.89"	-0.15	92	120	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"	2827	0.61"	-0.08	446	541	1.2*	map	table
Extreme events Days with PRCP>1.00"	564	1.89"	-0.08	94	112	1.2	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"	2827	0.61"	555	465	1.2*	map	table
Extreme events Days with PRCP>1.00"	564	1.89"	116	83	1.4*	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	7470 by year	0.00"		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"	1	0.50"	1.15	0	0	NaN	map	table
Extreme events Days with SNOW>0.5"	0	NaN"	NaN	NaN	NaN	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"	1	0.50"	-0.77	0	0	NaN	map	table
Extreme events Days with SNOW>0.5"	0	NaN"	NaN	NaN	NaN	NaN	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"	1	0.50"	0	0	NaN	map	table
Extreme events Days with SNOW>0.5"	0	NaN"	NaN	NaN	NaN	map	table

SNOW under 2 index extremes Help

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