COLFAX, CA - HCND station 041912

041912 - COLFAX, California

Latitude
39° 7´N

Longitude
120° 57´W

Elevation
2410 feet

10 nearest HCND stations

22 mi	NE :	LAKE SPAULDING, CA
35 mi	W :	MARYSVILLE, CA
44 mi	E :	TAHOE CITY, CA
55 mi	SSE :	ELECTRA PH, CA
59 mi	SW :	DAVIS EXP FARM 2WSW, CA
59 mi	N :	QUINCY, CA
62 mi	NW :	CHICO UNIV FARM, CA
68 mi	ENE :	RENO WSFO AP, NV
71 mi	SSW :	LODI, CA
72 mi	SW :	VACAVILLE, CA

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

	Total observations	%	NDJFM observations	%
TMAX	16962	92.9%	7094	93.8%
TMIN	17109	93.7%	7128	94.2%
PRCP	12987	71.1%	5681	75.1%
SNOW	11866	65.0%	4856	64.2%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7094 by year	57.7°F	9.4°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>=72°F	585	0.10	86	64	1.3	map	table
Extreme low events Days with TMAX<=44°F	538	0.19	117	81	1.4*	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>=72°F	585	0.66	164	24	6.8*	map	table
Extreme low events Days with TMAX<=44°F	538	-1.20	7	260	37.1*	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>=72°F	585	57	95	1.7*	map	table
Extreme low events Days with TMAX<=44°F	538	67	136	2.0*	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7128 by year	36.9°F	6.5°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<=28°F	602	0.15	126	93	1.4	map	table
Extreme high events Days with TMIN>=47°F	487	-0.17	42	82	2.0*	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<=28°F	602	-0.89	32	243	7.6*	map	table
Extreme high events Days with TMIN>=47°F	487	0.58	130	16	8.1*	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<=28°F	602	79	120	1.5*	map	table
Extreme high events Days with TMIN>=47°F	487	32	94	2.9*	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	5681 by year	0.32"		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"	2437	0.75"	-0.02	397	423	1.1	map	table
Extreme events Days with PRCP>1.28"	487	2.12"	-0.06	78	100	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"	2437	0.75"	-0.12	371	471	1.3*	map	table
Extreme events Days with PRCP>1.28"	487	2.12"	-0.25	71	117	1.6*	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"	2437	0.75"	420	398	1.1	map	table
Extreme events Days with PRCP>1.28"	487	2.12"	85	85	1.0	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	4856 by year	0.13"		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"	160	3.98"	0.26	38	24	1.6	map	table
Extreme events Days with SNOW>6.0"	26	10.48"	0.52	5	2	2.5	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"	160	3.98"	-1.37	3	90	30.0*	map	table
Extreme events Days with SNOW>6.0"	26	10.48"	-1.60	0	16	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"	160	3.98"	10	48	4.8*	map	table
Extreme events Days with SNOW>6.0"	26	10.48"	0	8	Inf*	map	table

SNOW under 2 index extremes Help

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