ALAMO 1 N, CA - COOP Southwest station 040064

040064 - ALAMO 1 N, California

Latitude
37° 52´N

Longitude
122° 2´W

Elevation
125 meters

COOP Southwest

California

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10 nearest COOP Southwest stations

1 mi	E :	LIVORNA HEIGHTS, CA
1 mi	N :	WALNUT CREEK 2 ESE, CA
1 mi	NNE :	WALNUT CREEK 2 ENE, CA
2 mi	W :	BURTON RANCH, CA
3 mi	WSW :	SAINT MARYS COLLEGE, CA
3 mi	NW :	LA FAYETTE 3 NNE, CA
4 mi	NNE :	CONCORD 2 SE, CA
4 mi	NNW :	WALMAR SCHOOL, CA
4 mi	W :	ORINDA BOWMAN, CA
5 mi	NNW :	MARTINEZ 3 SSE, CA

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

	Total observations	%	NDJFM observations	%
TMAX	50	0.3%	0	0.0%
TMIN	50	0.3%	0	0.0%
PRCP	5940	32.5%	2570	34.0%
SNOW	5963	32.7%	2571	34.0%

TMAX top of page

Data not shown:
Less than 5% of days have TMAX observations during NDJFM over 1948-1997
No TMAX extreme events during NDJFM over 1948-1997

TMIN top of page

Data not shown:
Less than 5% of days have TMIN observations during NDJFM over 1948-1997
No TMIN extreme events during NDJFM over 1948-1997

PRCP (total liquid water equivalent) Help top of page

PRCP	observations	mean		Distribution	during extreme days of
NDJFM	2570 by year	0.12"		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"	758	0.42"	-0.25	91	154	1.7*	map	table
Extreme events Days with PRCP>0.73"	148	1.31"	-0.25	22	39	1.8	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"	758	0.42"	-0.29	80	183	2.3*	map	table
Extreme events Days with PRCP>0.73"	148	1.31"	-0.49	18	43	2.4*	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"	758	0.42"	168	110	1.5*	map	table
Extreme events Days with PRCP>0.73"	148	1.31"	36	21	1.7	map	table

PRCP under 2 index extremes Help

Station table

Maps - choose one extreme:

SNOW Help top of page

SNOW	observations	mean		Distribution	during extreme days of
NDJFM	2571 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	0.40"	1.69	1	0	Inf	map	table
Extreme events Days with SNOW>0.4"	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	0.40"	-2.09	0	1	Inf	map	table
Extreme events Days with SNOW>0.4"	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	0.40"	1	0	Inf	map	table
Extreme events Days with SNOW>0.4"	0	NaN"	NaN	NaN	NaN	map	table

SNOW under 2 index extremes Help