MOUNT DIABLO JUNCTION, CA - COOP Southwest station 045915

045915 - MOUNT DIABLO JUNCTION, California

Latitude
37° 52´N

Longitude
121° 56´W

Elevation
661 meters

10 nearest COOP Southwest stations

2 mi	NW :	WALNUT CREEK 4 E, CA
4 mi	NNW :	CONCORD 3 ESE, CA
6 mi	E :	BRENTWOOD 6 SW, CA
6 mi	NE :	ANTIOCH 5 S, CA
8 mi	NE :	ANTIOCH PUMP PLANT #3, CA
10 mi	SSE :	LIVERMORE, CA
12 mi	ESE :	TRACY PUMPING PLANT, CA
16 mi	SSE :	CALAVERAS RESERVOIR, CA
17 mi	ESE :	TRACY, CA
17 mi	SE :	CASTLE ROCK RAD LAB, CA

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

	Total observations	%	NDJFM observations	%
TMAX	16434	90.0%	6770	89.5%
TMIN	16444	90.0%	6772	89.5%
PRCP	16488	90.3%	6769	89.5%
SNOW	16384	89.7%	6665	88.1%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	6770 by year	57.9°F	8.5°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>=71°F	549	0.09	78	59	1.3	map	table
Extreme low events Days with TMAX<=46°F	515	0.02	90	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>=71°F	549	0.59	169	34	5.0*	map	table
Extreme low events Days with TMAX<=46°F	515	-0.89	26	201	7.7*	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>=71°F	549	54	62	1.1	map	table
Extreme low events Days with TMAX<=46°F	515	85	107	1.3	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	6772 by year	41.2°F	6.6°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<=32°F	583	0.24	136	86	1.6*	map	table
Extreme high events Days with TMIN>=51°F	568	0.06	74	72	1.0	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<=32°F	583	-1.04	18	243	13.5*	map	table
Extreme high events Days with TMIN>=51°F	568	0.69	188	31	6.1*	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<=32°F	583	102	121	1.2	map	table
Extreme high events Days with TMIN>=51°F	568	47	59	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	6769 by year	0.13"		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"	2118	0.41"	-0.05	342	387	1.1	map	table
Extreme events Days with PRCP>0.68"	416	1.23"	-0.08	73	91	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"	2118	0.41"	-0.05	346	392	1.1	map	table
Extreme events Days with PRCP>0.68"	416	1.23"	-0.12	70	88	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"	2118	0.41"	469	272	1.7*	map	table
Extreme events Days with PRCP>0.68"	416	1.23"	91	44	2.1*	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	6665 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"	29	1.78"	0.17	7	4	1.8	map	table
Extreme events Days with SNOW>2.5"	4	4.75"	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"	29	1.78"	-1.54	0	18	Inf*	map	table
Extreme events Days with SNOW>2.5"	4	4.75"	-1.59	0	3	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"	29	1.78"	4	4	1.0	map	table
Extreme events Days with SNOW>2.5"	4	4.75"	0	1	Inf	map	table

SNOW under 2 index extremes Help

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