COLVILLE AIRPORT, WA - COOP Northwest station 451650

451650 - COLVILLE AIRPORT, Washington

Latitude
48° 33´N

Longitude
117° 53´W

Elevation
575 meters

10 nearest COOP Northwest stations

0 mi	W :	COLVILLE, WA
3 mi	ENE :	COLVILLE BASIC, WA
12 mi	SSE :	CHEWELAH, WA
15 mi	N :	NORTHPORT, WA
19 mi	NE :	METALINE FALLS, WA
23 mi	NE :	BOUNDARY DAM, WA
23 mi	NE :	BOUNDARY DAM 1 W, WA
28 mi	ESE :	NEWPORT, WA
29 mi	WSW :	INCHELIUM 2 NW, WA
42 mi	W :	REPUBLIC, WA

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

	Total observations	%	NDJFM observations	%
TMAX	14069	77.0%	5784	76.5%
TMIN	14090	77.2%	5783	76.5%
PRCP	14164	77.6%	5792	76.6%
SNOW	12064	66.1%	4878	64.5%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	5784 by year	38.3°F	10.6°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>=53°F	446	-0.02	67	64	1.0	map	table
Extreme low events Days with TMAX<=21°F	390	-0.16	71	92	1.3	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>=53°F	446	0.58	120	27	4.4*	map	table
Extreme low events Days with TMAX<=21°F	390	-1.10	7	177	25.3*	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>=53°F	446	91	37	2.5*	map	table
Extreme low events Days with TMAX<=21°F	390	41	72	1.8*	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	5783 by year	23.2°F	11.2°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<=3°F	396	-0.19	74	99	1.3	map	table
Extreme high events Days with TMIN>=36°F	404	-0.02	52	56	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<=3°F	396	-1.05	8	167	20.9*	map	table
Extreme high events Days with TMIN>=36°F	404	0.56	117	19	6.2*	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<=3°F	396	33	76	2.3*	map	table
Extreme high events Days with TMIN>=36°F	404	90	56	1.6*	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	5792 by year	0.06"		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"	2366	0.16"	-0.16	310	454	1.5*	map	table
Extreme events Days with PRCP>0.26"	472	0.43"	-0.20	58	88	1.5*	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"	2366	0.16"	-0.10	345	442	1.3*	map	table
Extreme events Days with PRCP>0.26"	472	0.43"	-0.02	70	74	1.1	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"	2366	0.16"	396	427	1.1	map	table
Extreme events Days with PRCP>0.26"	472	0.43"	79	85	1.1	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	4878 by year	0.30"		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"	900	1.60"	-0.23	125	197	1.6*	map	table
Extreme events Days with SNOW>2.6"	179	4.20"	-0.19	32	36	1.1	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"	900	1.60"	-0.42	92	245	2.7*	map	table
Extreme events Days with SNOW>2.6"	179	4.20"	-0.59	13	57	4.4*	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"	900	1.60"	141	105	1.3*	map	table
Extreme events Days with SNOW>2.6"	179	4.20"	27	28	1.0	map	table

SNOW under 2 index extremes Help

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