GRINNELL 3 SW, IA - COOP Northern Plains station 133473

133473 - GRINNELL 3 SW, Iowa

Latitude
41° 43´N

Longitude
92° 45´W

Elevation
276 meters

COOP Northern Plains

10 nearest COOP Northern Plains stations

10 mi	SW :	KILLDUFF, IA
12 mi	N :	GILMAN, IA
14 mi	SE :	MONTEZUMA 1 W, IA
15 mi	W :	NEWTON, IA
16 mi	E :	BROOKLYN, IA
17 mi	N :	DUNBAR 2 NE, IA
19 mi	SSW :	PELLA 4 N, IA
22 mi	NNE :	TOLEDO, IA
23 mi	SW :	MONROE, IA
24 mi	NNW :	MARSHALLTOWN 1, IA

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

	Total observations	%	NDJFM observations	%
TMAX	18086	99.0%	7463	98.7%
TMIN	18076	99.0%	7463	98.7%
PRCP	18108	99.2%	7469	98.8%
SNOW	18031	98.7%	7422	98.1%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7463 by year	36.8°F	14.7°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>=60°F	510	0.26	95	47	2.0*	map	table
Extreme low events Days with TMAX<=14°F	509	-0.37	77	137	1.8*	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	510	-0.22	43	72	1.7*	map	table
Extreme low events Days with TMAX<=14°F	509	0.07	108	103	1.0	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	510	74	89	1.2	map	table
Extreme low events Days with TMAX<=14°F	509	57	72	1.3	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	7463 by year	17.0°F	14.3°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<=-7°F	534	-0.41	78	147	1.9*	map	table
Extreme high events Days with TMIN>=35°F	577	0.19	100	54	1.9*	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<=-7°F	534	0.10	124	104	1.2	map	table
Extreme high events Days with TMIN>=35°F	577	-0.24	38	73	1.9*	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<=-7°F	534	54	59	1.1	map	table
Extreme high events Days with TMIN>=35°F	577	126	88	1.4*	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	7469 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"	1729	0.24"	0.02	290	271	1.1	map	table
Extreme events Days with PRCP>0.37"	343	0.74"	-0.05	53	54	1.0	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"	1729	0.24"	-0.21	202	333	1.6*	map	table
Extreme events Days with PRCP>0.37"	343	0.74"	-0.33	27	64	2.4*	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"	1729	0.24"	298	256	1.2	map	table
Extreme events Days with PRCP>0.37"	343	0.74"	58	49	1.2	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	7422 by year	0.20"		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"	855	1.70"	-0.14	141	182	1.3*	map	table
Extreme events Days with SNOW>2.9"	171	4.68"	-0.40	22	50	2.3*	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"	855	1.70"	-0.04	138	146	1.1	map	table
Extreme events Days with SNOW>2.9"	171	4.68"	-0.09	23	26	1.1	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"	855	1.70"	127	121	1.0	map	table
Extreme events Days with SNOW>2.9"	171	4.68"	24	26	1.1	map	table

SNOW under 2 index extremes Help

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