MT WILSON NO 2, CA - COOP Southwest station 046006

046006 - MT WILSON NO 2, California

Latitude
34° 14´N

Longitude
118° 4´W

Elevation
1740 meters

10 nearest COOP Southwest stations

1 mi	WNW :	CAMP HILL OPIDS 57B, CA
1 mi	WNW :	OPIDS CAMP FC 57 B E, CA
1 mi	ESE :	HOEGEES FC 60 A, CA
2 mi	ESE :	SANTA ANITA F L FC 432, CA
3 mi	SSE :	SIERRA MADRE HENSZEY, CA
3 mi	SW :	ALTADENA, CA
3 mi	NNW :	COLBYS FC53D, CA
3 mi	NNW :	SLEEPY HOLLOW COLBY RC, CA
3 mi	WSW :	ARROYO SECO RANGER STN, CA
4 mi	SSE :	MONROVIA, CA

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

	Total observations	%	NDJFM observations	%
TMAX	17544	96.1%	7261	96.0%
TMIN	17448	95.5%	7263	96.0%
PRCP	17638	96.6%	7281	96.3%
SNOW	14605	80.0%	5374	71.1%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7261 by year	53.9°F	10.5°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>=69°F	506	0.07	87	69	1.3	map	table
Extreme low events Days with TMAX<=37°F	526	0.07	107	92	1.2	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>=69°F	506	0.52	127	27	4.7*	map	table
Extreme low events Days with TMAX<=37°F	526	-0.85	25	201	8.0*	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>=69°F	506	39	102	2.6*	map	table
Extreme low events Days with TMAX<=37°F	526	74	109	1.5*	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	7263 by year	37.9°F	9.4°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<=24°F	587	0.06	109	91	1.2	map	table
Extreme high events Days with TMIN>=52°F	528	0.03	78	72	1.1	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<=24°F	587	-0.99	15	232	15.5*	map	table
Extreme high events Days with TMIN>=52°F	528	0.57	142	24	5.9*	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<=24°F	587	86	116	1.3	map	table
Extreme high events Days with TMIN>=52°F	528	45	112	2.5*	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	7281 by year	0.20"		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"	1433	1.01"	0.05	284	256	1.1	map	table
Extreme events Days with PRCP>1.72"	284	3.28"	0.13	61	55	1.1	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"	1433	1.01"	-0.31	176	363	2.1*	map	table
Extreme events Days with PRCP>1.72"	284	3.28"	-0.38	43	86	2.0*	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"	1433	1.01"	277	201	1.4*	map	table
Extreme events Days with PRCP>1.72"	284	3.28"	75	28	2.7*	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	5374 by year	0.09"		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"	135	3.61"	-0.09	31	29	1.1	map	table
Extreme events Days with SNOW>6.0"	21	10.07"	-0.21	3	5	1.7	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"	135	3.61"	-0.67	12	48	4.0*	map	table
Extreme events Days with SNOW>6.0"	21	10.07"	-0.73	2	8	4.0	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"	135	3.61"	15	21	1.4	map	table
Extreme events Days with SNOW>6.0"	21	10.07"	2	3	1.5	map	table

SNOW under 2 index extremes Help

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