POMEROY, WA - HCND station 456610

456610 - POMEROY, Washington

Latitude
46° 29´N

Longitude
117° 35´W

Elevation
1900 feet

10 nearest HCND stations

23 mi	WSW :	DAYTON 1WSW, WA
29 mi	NNE :	COLFAX 1NW, WA
34 mi	ENE :	MOSCOW U OF ID, ID
54 mi	SW :	MILTON-FREEWATER, OR
57 mi	NW :	RITZVILLE 1SSE, WA
64 mi	S :	WALLOWA, OR
74 mi	WSW :	KENNEWICK, WA
78 mi	NW :	ODESSA, WA
79 mi	N :	SPOKANE WSO AP, WA
85 mi	NNW :	DAVENPORT, WA

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

	Total observations	%	NDJFM observations	%
TMAX	15713	86.0%	6404	84.7%
TMIN	15831	86.7%	6480	85.7%
PRCP	13045	71.4%	5461	72.2%
SNOW	11237	61.5%	4330	57.3%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	6404 by year	45.7°F	11.2°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>=60°F	585	0.15	110	66	1.7*	map	table
Extreme low events Days with TMAX<=28°F	473	-0.12	86	113	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>=60°F	585	0.55	167	32	5.2*	map	table
Extreme low events Days with TMAX<=28°F	473	-0.72	38	176	4.6*	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>=60°F	585	95	94	1.0	map	table
Extreme low events Days with TMAX<=28°F	473	53	81	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	6480 by year	28.7°F	10.3°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<=11°F	433	-0.18	79	111	1.4	map	table
Extreme high events Days with TMIN>=42°F	447	0.18	82	52	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<=11°F	433	-0.91	16	171	10.7*	map	table
Extreme high events Days with TMIN>=42°F	447	0.48	122	32	3.8*	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<=11°F	433	49	91	1.9*	map	table
Extreme high events Days with TMIN>=42°F	447	80	68	1.2	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	5461 by year	0.07"		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"	2284	0.18"	-0.05	369	404	1.1	map	table
Extreme events Days with PRCP>0.28"	455	0.49"	0.06	83	70	1.2	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"	2284	0.18"	-0.17	285	424	1.5*	map	table
Extreme events Days with PRCP>0.28"	455	0.49"	-0.19	55	75	1.4	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"	2284	0.18"	354	457	1.3*	map	table
Extreme events Days with PRCP>0.28"	455	0.49"	64	99	1.5*	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	4330 by year	0.10"		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"	195	2.13"	-0.20	28	43	1.5	map	table
Extreme events Days with SNOW>3.0"	36	5.72"	-0.10	6	7	1.2	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"	195	2.13"	-1.17	1	86	86.0*	map	table
Extreme events Days with SNOW>3.0"	36	5.72"	-1.54	0	20	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"	195	2.13"	28	39	1.4	map	table
Extreme events Days with SNOW>3.0"	36	5.72"	7	12	1.7	map	table

SNOW under 2 index extremes Help

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