SANTA ROSA, CA - COOP Southwest station 047965

047965 - SANTA ROSA, California

Latitude
38° 27´N

Longitude
122° 43´W

Elevation
51 meters

COOP Southwest

California

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10 nearest COOP Southwest stations

4 mi	WSW :	SEBASTOPOL, CA
5 mi	W :	GRATON, CA
6 mi	ENE :	SAINT HELENA 4 WSW, CA
7 mi	NNE :	KNIGHTS VALLEY, CA
7 mi	NE :	CALISTOGA, CA
8 mi	SSE :	PETALUMA FIRE STA 2, CA
8 mi	W :	OCCIDENTAL, CA
8 mi	ENE :	SAINT HELENA, CA
8 mi	NW :	HEALDSBURG, CA
9 mi	ESE :	OAKVILLE 4 SW, CA

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

	Total observations	%	NDJFM observations	%
TMAX	17991	98.5%	7426	98.2%
TMIN	17979	98.4%	7415	98.0%
PRCP	17959	98.3%	7387	97.7%
SNOW	17816	97.6%	7335	97.0%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7426 by year	61.4°F	7.6°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>=74°F	532	-0.02	54	63	1.2	map	table
Extreme low events Days with TMAX<=51°F	562	0.01	105	98	1.1	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>=74°F	532	0.38	115	28	4.1*	map	table
Extreme low events Days with TMAX<=51°F	562	-0.42	85	191	2.2*	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>=74°F	532	53	78	1.5*	map	table
Extreme low events Days with TMAX<=51°F	562	104	112	1.1	map	table

TMAX under 2 index extremes Help

Station table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7415 by year	39.1°F	7.3°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<=29°F	692	-0.08	108	124	1.1	map	table
Extreme high events Days with TMIN>=51°F	506	-0.09	70	89	1.3	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<=29°F	692	-0.69	65	252	3.9*	map	table
Extreme high events Days with TMIN>=51°F	506	0.33	111	35	3.2*	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<=29°F	692	95	120	1.3	map	table
Extreme high events Days with TMIN>=51°F	506	77	87	1.1	map	table

TMIN under 2 index extremes Help

Station table

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PRCP (total liquid water equivalent) Help top of page

PRCP	observations	mean		Distribution	during extreme days of
NDJFM	7387 by year	0.16"		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"	2627	0.46"	-0.01	453	444	1.0	map	table
Extreme events Days with PRCP>0.78"	517	1.42"	-0.08	83	100	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"	2627	0.46"	-0.10	407	511	1.3*	map	table
Extreme events Days with PRCP>0.78"	517	1.42"	-0.08	88	97	1.1	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"	2627	0.46"	514	425	1.2*	map	table
Extreme events Days with PRCP>0.78"	517	1.42"	111	83	1.3	map	table

PRCP under 2 index extremes Help

Station table

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SNOW Help top of page

SNOW	observations	mean
NDJFM	7335 by year	0.00"

No days with measureable SNOW during NDJFM over 1948-1997