GRUNDY CENTER, IA - COOP Northern Plains station 133487

133487 - GRUNDY CENTER, Iowa

Latitude
42° 21´N

Longitude
92° 46´W

Elevation
311 meters

COOP Northern Plains

10 nearest COOP Northern Plains stations

11 mi	SSW :	CONRAD 2SSE, IA
16 mi	WNW :	STEAMBOAT ROCK, IA
16 mi	N :	PARKERSBURG, IA
17 mi	W :	ELDORA, IA
18 mi	SSE :	GARWIN, IA
19 mi	SE :	TRAER, IA
21 mi	NE :	CEDAR FALLS, IA
21 mi	SSW :	MARSHALLTOWN, IA
22 mi	SSW :	MARSHALLTOWN 1, IA
23 mi	NE :	WATERLOO MUNICIPAL ARPT, IA

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

	Total observations	%	NDJFM observations	%
TMAX	18018	98.7%	7372	97.5%
TMIN	18032	98.7%	7372	97.5%
PRCP	18107	99.1%	7411	98.0%
SNOW	18078	99.0%	7383	97.6%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7372 by year	34.5°F	14.6°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>=57°F	552	0.27	96	44	2.2*	map	table
Extreme low events Days with TMAX<=12°F	518	-0.36	75	134	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>=57°F	552	-0.21	50	79	1.6*	map	table
Extreme low events Days with TMAX<=12°F	518	0.04	109	110	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>=57°F	552	79	86	1.1	map	table
Extreme low events Days with TMAX<=12°F	518	52	71	1.4	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	7372 by year	15.8°F	14.6°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<=-9°F	498	-0.39	73	132	1.8*	map	table
Extreme high events Days with TMIN>=34°F	582	0.22	101	51	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<=-9°F	498	0.04	103	106	1.0	map	table
Extreme high events Days with TMIN>=34°F	582	-0.20	48	71	1.5*	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<=-9°F	498	47	64	1.4	map	table
Extreme high events Days with TMIN>=34°F	582	124	99	1.3	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	7411 by year	0.05"		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"	1568	0.22"	0.02	274	243	1.1	map	table
Extreme events Days with PRCP>0.34"	313	0.68"	0.08	54	42	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"	1568	0.22"	-0.20	193	291	1.5*	map	table
Extreme events Days with PRCP>0.34"	313	0.68"	-0.39	22	64	2.9*	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"	1568	0.22"	258	251	1.0	map	table
Extreme events Days with PRCP>0.34"	313	0.68"	65	38	1.7*	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	7383 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"	920	1.62"	-0.10	156	177	1.1	map	table
Extreme events Days with SNOW>2.5"	179	4.58"	-0.25	26	44	1.7	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"	920	1.62"	-0.05	141	156	1.1	map	table
Extreme events Days with SNOW>2.5"	179	4.58"	-0.16	22	30	1.4	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"	920	1.62"	138	134	1.0	map	table
Extreme events Days with SNOW>2.5"	179	4.58"	32	19	1.7	map	table

SNOW under 2 index extremes Help

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