SPARTA 3N, IL - HCND station 118147

118147 - SPARTA 3N, Illinois

Latitude
38° 10´N

Longitude
89° 42´W

Elevation
520 feet

10 nearest HCND stations

30 mi	ESE :	DUQUOIN 4SE, IL
47 mi	ENE :	MT VERNON 3NE, IL
54 mi	SSE :	ANNA 1E, IL
62 mi	SSW :	MARBLE HILL, MO
65 mi	E :	MCLEANSBORO 2ENE, IL
69 mi	N :	HILLSBORO, IL
71 mi	ESE :	HARRISBURG, IL
78 mi	N :	CARLINVILLE, IL
90 mi	WNW :	WARRENTON 1N, MO
90 mi	NNE :	PANA, IL

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

	Total observations	%	NDJFM observations	%
TMAX	17727	97.1%	7341	97.1%
TMIN	17735	97.1%	7329	96.9%
PRCP	15760	86.3%	6304	83.4%
SNOW	12037	65.9%	4762	63.0%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7341 by year	48.5°F	14.0°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>=70°F	512	0.32	93	44	2.1*	map	table
Extreme low events Days with TMAX<=28°F	525	-0.41	71	142	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>=70°F	512	-0.48	32	117	3.7*	map	table
Extreme low events Days with TMAX<=28°F	525	0.44	154	72	2.1*	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>=70°F	512	68	110	1.6*	map	table
Extreme low events Days with TMAX<=28°F	525	60	61	1.0	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	7329 by year	29.6°F	12.5°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<=10°F	524	-0.43	75	144	1.9*	map	table
Extreme high events Days with TMIN>=49°F	498	0.28	93	49	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<=10°F	524	0.44	156	70	2.2*	map	table
Extreme high events Days with TMIN>=49°F	498	-0.67	10	124	12.4*	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<=10°F	524	52	59	1.1	map	table
Extreme high events Days with TMIN>=49°F	498	67	99	1.5*	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	6304 by year	0.12"		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"	2004	0.38"	-0.05	307	373	1.2*	map	table
Extreme events Days with PRCP>0.64"	393	1.16"	0.08	64	55	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"	2004	0.38"	-0.25	238	404	1.7*	map	table
Extreme events Days with PRCP>0.64"	393	1.16"	-0.60	19	93	4.9*	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"	2004	0.38"	305	331	1.1	map	table
Extreme events Days with PRCP>0.64"	393	1.16"	66	70	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	4762 by year	0.15"		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"	473	1.55"	-0.40	58	130	2.2*	map	table
Extreme events Days with SNOW>2.5"	93	4.46"	-0.47	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"	473	1.55"	0.31	118	61	1.9*	map	table
Extreme events Days with SNOW>2.5"	93	4.46"	0.26	21	13	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"	473	1.55"	52	76	1.5*	map	table
Extreme events Days with SNOW>2.5"	93	4.46"	8	11	1.4	map	table

SNOW under 2 index extremes Help

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