GALVA, IL - HCND station 113335

113335 - GALVA, Illinois

Latitude
41° 10´N

Longitude
90° 3´W

Elevation
860 feet

10 nearest HCND stations

35 mi	NE :	WALNUT, IL
35 mi	WSW :	MONMOUTH, IL
36 mi	W :	ALEDO, IL
45 mi	NNW :	CLINTON #1, IA
45 mi	N :	MORRISON, IL
54 mi	NNE :	DIXON 1NW, IL
55 mi	ESE :	MINONK, IL
60 mi	ENE :	OTTAWA 4SW, IL
63 mi	SW :	LA HARPE, IL
65 mi	N :	MOUNT CARROLL, IL

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

	Total observations	%	NDJFM observations	%
TMAX	17090	93.6%	7020	92.8%
TMIN	16970	92.9%	6989	92.4%
PRCP	16026	87.8%	6356	84.0%
SNOW	12278	67.2%	5001	66.1%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7020 by year	38.9°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>=61°F	501	0.32	99	41	2.4*	map	table
Extreme low events Days with TMAX<=18°F	508	-0.40	78	144	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>=61°F	501	-0.41	30	86	2.9*	map	table
Extreme low events Days with TMAX<=18°F	508	0.19	121	93	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>=61°F	501	65	93	1.4*	map	table
Extreme low events Days with TMAX<=18°F	508	52	70	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	6989 by year	20.8°F	13.7°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<=-3°F	498	-0.40	79	136	1.7*	map	table
Extreme high events Days with TMIN>=38°F	516	0.24	95	48	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<=-3°F	498	0.22	128	87	1.5*	map	table
Extreme high events Days with TMIN>=38°F	516	-0.35	31	79	2.5*	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<=-3°F	498	40	61	1.5*	map	table
Extreme high events Days with TMIN>=38°F	516	101	86	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	6356 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"	1903	0.25"	-0.02	321	326	1.0	map	table
Extreme events Days with PRCP>0.38"	378	0.77"	0.05	69	58	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"	1903	0.25"	-0.19	251	378	1.5*	map	table
Extreme events Days with PRCP>0.38"	378	0.77"	-0.50	28	95	3.4*	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"	1903	0.25"	272	327	1.2*	map	table
Extreme events Days with PRCP>0.38"	378	0.77"	60	63	1.1	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	5001 by year	0.25"		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"	750	1.64"	-0.22	115	164	1.4*	map	table
Extreme events Days with SNOW>2.5"	146	4.22"	-0.40	14	39	2.8*	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"	750	1.64"	0.05	145	121	1.2	map	table
Extreme events Days with SNOW>2.5"	146	4.22"	-0.07	28	30	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"	750	1.64"	72	126	1.8*	map	table
Extreme events Days with SNOW>2.5"	146	4.22"	14	19	1.4	map	table

SNOW under 2 index extremes Help

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