WEST ALLIS, WI - COOP Midwest station 479046

479046 - WEST ALLIS, Wisconsin

Latitude
43° 1´N

Longitude
87° 59´W

Elevation
220 meters

10 nearest COOP Midwest stations

1 mi	NE :	MILWAUKEE MARQUETTE HIGH, WI
4 mi	NW :	MILWAUKEE MT MARY COL, WI
4 mi	ENE :	MILWAUKEE, WI
6 mi	SE :	MILWAUKEE GENERAL MITCHELL FI, WI
7 mi	NE :	SHOREWOOD, WI
7 mi	NNE :	MILWAUKEE N SIDE, WI
13 mi	W :	WAUKESHA, WI
15 mi	NNW :	GERMANTOWN, WI
23 mi	S :	UNION GROVE, WI
24 mi	SSE :	RACINE, WI

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

	Total observations	%	NDJFM observations	%
TMAX	13131	71.9%	5430	71.8%
TMIN	13124	71.9%	5429	71.8%
PRCP	13146	72.0%	5442	72.0%
SNOW	12038	65.9%	4397	58.1%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	5430 by year	35.7°F	12.7°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>=55°F	394	0.33	77	31	2.5*	map	table
Extreme low events Days with TMAX<=16°F	396	-0.63	42	122	2.9*	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>=55°F	394	-0.35	28	66	2.4*	map	table
Extreme low events Days with TMAX<=16°F	396	0.17	97	74	1.3	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>=55°F	394	62	61	1.0	map	table
Extreme low events Days with TMAX<=16°F	396	42	42	1.0	map	table

TMAX under 2 index extremes Help

Maps - choose one extreme:

TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	5429 by year	21.5°F	13.2°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<=-1°F	390	-0.63	49	121	2.5*	map	table
Extreme high events Days with TMIN>=38°F	434	0.19	69	43	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<=-1°F	390	0.08	93	83	1.1	map	table
Extreme high events Days with TMIN>=38°F	434	-0.28	27	71	2.6*	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<=-1°F	390	45	41	1.1	map	table
Extreme high events Days with TMIN>=38°F	434	92	60	1.5*	map	table

TMIN under 2 index extremes Help

Maps - choose one extreme:

PRCP (total liquid water equivalent) Help top of page

PRCP	observations	mean		Distribution	during extreme days of
NDJFM	5442 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"	1653	0.20"	-0.20	212	340	1.6*	map	table
Extreme events Days with PRCP>0.30"	314	0.66"	-0.16	43	58	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"	1653	0.20"	-0.15	233	315	1.4*	map	table
Extreme events Days with PRCP>0.30"	314	0.66"	-0.43	27	72	2.7*	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"	1653	0.20"	256	260	1.0	map	table
Extreme events Days with PRCP>0.30"	314	0.66"	52	51	1.0	map	table

PRCP under 2 index extremes Help

Maps - choose one extreme:

SNOW Help top of page

SNOW	observations	mean		Distribution	during extreme days of
NDJFM	4397 by year	0.22"		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"	585	1.64"	-0.41	63	159	2.5*	map	table
Extreme events Days with SNOW>2.5"	109	4.76"	-0.33	12	26	2.2	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"	585	1.64"	-0.11	99	118	1.2	map	table
Extreme events Days with SNOW>2.5"	109	4.76"	-0.40	12	31	2.6*	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"	585	1.64"	89	112	1.3	map	table
Extreme events Days with SNOW>2.5"	109	4.76"	12	19	1.6	map	table

SNOW under 2 index extremes Help

Maps - choose one extreme: