LAKE ARROWHEAD, CA - COOP Southwest station 044671

044671 - LAKE ARROWHEAD, California

Latitude
34° 15´N

Longitude
117° 11´W

Elevation
1587 meters

10 nearest COOP Southwest stations

2 mi	WSW :	SQUIRREL INN 2, CA
2 mi	WSW :	SQUIRREL INN 1, CA
4 mi	W :	CRESTLINE, CA
4 mi	ESE :	RUNNING SPRINGS 1 E, CA
6 mi	SSW :	SAN BERNARDINO CO HOSPITAL, CA
6 mi	SE :	SANTA ANA RIVER PH 1, CA
7 mi	SSE :	SANTA ANA RIVER P H 3, CA
8 mi	NNW :	HESPERIA, CA
8 mi	SW :	LYTLE CREEK FOOTHILL BLVD, CA
8 mi	S :	REDLANDS, CA

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

	Total observations	%	NDJFM observations	%
TMAX	17787	97.4%	7463	98.7%
TMIN	17748	97.2%	7437	98.3%
PRCP	17791	97.4%	7458	98.6%
SNOW	17178	94.1%	6915	91.4%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7463 by year	49.6°F	9.2°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>=64°F	545	-0.00	86	80	1.1	map	table
Extreme low events Days with TMAX<=36°F	606	0.03	117	108	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>=64°F	545	0.36	107	19	5.6*	map	table
Extreme low events Days with TMAX<=36°F	606	-0.76	41	225	5.5*	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>=64°F	545	35	166	4.7*	map	table
Extreme low events Days with TMAX<=36°F	606	104	102	1.0	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	7437 by year	30.9°F	6.3°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<=21°F	525	0.15	120	82	1.5*	map	table
Extreme high events Days with TMIN>=40°F	602	-0.04	87	95	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<=21°F	525	-0.98	13	215	16.5*	map	table
Extreme high events Days with TMIN>=40°F	602	0.27	126	47	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<=21°F	525	66	109	1.7*	map	table
Extreme high events Days with TMIN>=40°F	602	70	98	1.4*	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	7458 by year	0.22"		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"	1446	1.16"	-0.01	263	275	1.0	map	table
Extreme events Days with PRCP>1.92"	288	3.56"	0.20	67	50	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"	1446	1.16"	-0.29	187	360	1.9*	map	table
Extreme events Days with PRCP>1.92"	288	3.56"	-0.44	38	87	2.3*	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"	1446	1.16"	309	187	1.7*	map	table
Extreme events Days with PRCP>1.92"	288	3.56"	75	31	2.4*	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	6915 by year	0.29"		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"	411	4.93"	-0.15	73	88	1.2	map	table
Extreme events Days with SNOW>8.0"	72	13.88"	-0.04	19	14	1.4	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"	411	4.93"	-0.62	33	134	4.1*	map	table
Extreme events Days with SNOW>8.0"	72	13.88"	-0.70	5	24	4.8*	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"	411	4.93"	79	55	1.4	map	table
Extreme events Days with SNOW>8.0"	72	13.88"	14	8	1.8	map	table

SNOW under 2 index extremes Help

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