ALLISON, IA - COOP Northern Plains station 130157

130157 - ALLISON, Iowa

Latitude
42° 45´N

Longitude
92° 47´W

Elevation
320 meters

COOP Northern Plains

10 nearest COOP Northern Plains stations

9 mi	ESE :	SHELL ROCK 2 W, IA
9 mi	W :	DUMONT, IA
12 mi	S :	PARKERSBURG, IA
16 mi	NNW :	MARBLE ROCK, IA
19 mi	NE :	NASHUA 2 NW, IA
20 mi	NNE :	CHARLES CITY, IA
21 mi	W :	HAMPTON, IA
23 mi	SE :	CEDAR FALLS, IA
23 mi	NNE :	CHARLES CITY, IA
24 mi	SE :	WATERLOO MUNICIPAL ARPT, IA

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

	Total observations	%	NDJFM observations	%
TMAX	17695	96.9%	7234	95.6%
TMIN	17617	96.5%	7221	95.5%
PRCP	17476	95.7%	6920	91.5%
SNOW	17656	96.7%	7088	93.7%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7234 by year	34.7°F	14.2°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>=56°F	537	0.30	102	48	2.1*	map	table
Extreme low events Days with TMAX<=12°F	504	-0.38	69	135	2.0*	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>=56°F	537	-0.18	53	79	1.5*	map	table
Extreme low events Days with TMAX<=12°F	504	-0.02	96	109	1.1	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>=56°F	537	90	91	1.0	map	table
Extreme low events Days with TMAX<=12°F	504	54	73	1.4	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7221 by year	17.0°F	14.5°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<=-8°F	498	-0.33	70	124	1.8*	map	table
Extreme high events Days with TMIN>=35°F	579	0.23	98	55	1.8*	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<=-8°F	498	-0.02	97	112	1.2	map	table
Extreme high events Days with TMIN>=35°F	579	-0.24	44	86	2.0*	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<=-8°F	498	51	74	1.5*	map	table
Extreme high events Days with TMIN>=35°F	579	124	95	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	6920 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"	1113	0.29"	-0.01	179	178	1.0	map	table
Extreme events Days with PRCP>0.42"	217	0.79"	0.08	37	30	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"	1113	0.29"	-0.25	118	223	1.9*	map	table
Extreme events Days with PRCP>0.42"	217	0.79"	-0.34	17	38	2.2*	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"	1113	0.29"	191	183	1.0	map	table
Extreme events Days with PRCP>0.42"	217	0.79"	53	40	1.3	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	7088 by year	0.23"		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"	776	2.12"	-0.16	124	164	1.3*	map	table
Extreme events Days with SNOW>3.0"	127	5.12"	-0.04	26	28	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"	776	2.12"	-0.16	101	153	1.5*	map	table
Extreme events Days with SNOW>3.0"	127	5.12"	-0.29	16	26	1.6	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"	776	2.12"	109	120	1.1	map	table
Extreme events Days with SNOW>3.0"	127	5.12"	14	23	1.6	map	table

SNOW under 2 index extremes Help

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