CHINA FLAT, CA - COOP Southwest station 041731

041731 - CHINA FLAT, California

Latitude
40° 52´N

Longitude
123° 35´W

Elevation
183 meters

10 nearest COOP Southwest stations

1 mi	N :	SALYER RANGER STN, CA
4 mi	NNW :	WILLOW CREEK 1 NW, CA
5 mi	SE :	BURNT RANCH 1 S, CA
8 mi	WNW :	BLUE LAKE REDWOOD CREEK, CA
11 mi	WSW :	BUTLER VALLEY RANCH, CA
11 mi	SSE :	HYAMPOM, CA
12 mi	W :	KORBEL, CA
13 mi	ESE :	BIG BAR 4 E, CA
13 mi	SW :	KNEELAND 2, CA
15 mi	SSW :	BRIDGEVILLE HANSON RANCH, CA

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

	Total observations	%	NDJFM observations	%
TMAX	2425	13.3%	979	12.9%
TMIN	2426	13.3%	978	12.9%
PRCP	2446	13.4%	995	13.2%
SNOW	2448	13.4%	997	13.2%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	979 by year	54.7°F	8.1°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	68	-0.23	7	16	2.3	map	table
Extreme low events Days with TMAX<=43°F	72	0.32	17	5	3.4*	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	68	0.07	14	11	1.3	map	table
Extreme low events Days with TMAX<=43°F	72	-1.26	0	37	Inf*	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	68	0	36	Inf*	map	table
Extreme low events Days with TMAX<=43°F	72	0	30	Inf*	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	978 by year	36.3°F	6.4°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<=26°F	67	0.36	18	11	1.6	map	table
Extreme high events Days with TMIN>=45°F	93	-0.18	9	14	1.6	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<=26°F	67	-1.15	0	31	Inf*	map	table
Extreme high events Days with TMIN>=45°F	93	0.50	21	0	Inf*	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<=26°F	67	0	26	Inf*	map	table
Extreme high events Days with TMIN>=45°F	93	0	40	Inf*	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	995 by year	0.27"		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"	402	0.66"	0.09	66	47	1.4	map	table
Extreme events Days with PRCP>1.08"	78	1.73"	0.12	12	6	2.0	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"	402	0.66"	-0.52	31	114	3.7*	map	table
Extreme events Days with PRCP>1.08"	78	1.73"	-0.49	5	23	4.6*	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"	402	0.66"	0	167	Inf*	map	table
Extreme events Days with PRCP>1.08"	78	1.73"	0	30	Inf*	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	997 by year	0.07"		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"	40	1.74"	0.41	13	4	3.2	map	table
Extreme events Days with SNOW>3.0"	7	4.26"	0.50	2	0	Inf	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"	40	1.74"	-1.80	0	30	Inf*	map	table
Extreme events Days with SNOW>3.0"	7	4.26"	-1.90	0	5	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"	40	1.74"	0	19	Inf*	map	table
Extreme events Days with SNOW>3.0"	7	4.26"	0	2	Inf	map	table

SNOW under 2 index extremes Help

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