LA HARPE, IL - HCND station 114823

114823 - LA HARPE, Illinois

Latitude
40° 35´N

Longitude
90° 58´W

Elevation
700 feet

10 nearest HCND stations

29 mi	NE :	MONMOUTH, IL
39 mi	SE :	RUSHVILLE, IL
40 mi	NW :	MOUNT PLEASANT 1SSW, IA
46 mi	NNE :	ALEDO, IL
60 mi	WNW :	FAIRFIELD, IA
61 mi	NW :	WASHINGTON, IA
61 mi	SSE :	GRIGGSVILLE, IL
63 mi	NE :	GALVA, IL
65 mi	SW :	STEFFENVILLE, MO
71 mi	SE :	JACKSONVILLE 2E, IL

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

	Total observations	%	NDJFM observations	%
TMAX	18118	99.2%	7479	98.9%
TMIN	18084	99.0%	7460	98.6%
PRCP	16553	90.6%	6575	86.9%
SNOW	13838	75.8%	6274	83.0%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7479 by year	41.5°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>=64°F	519	0.33	106	44	2.4*	map	table
Extreme low events Days with TMAX<=20°F	522	-0.42	75	142	1.9*	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>=64°F	519	-0.40	37	99	2.7*	map	table
Extreme low events Days with TMAX<=20°F	522	0.15	121	100	1.2	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>=64°F	519	75	103	1.4	map	table
Extreme low events Days with TMAX<=20°F	522	53	65	1.2	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7460 by year	22.0°F	13.5°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<=-1°F	527	-0.36	77	139	1.8*	map	table
Extreme high events Days with TMIN>=40°F	557	0.23	98	50	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<=-1°F	527	0.27	140	92	1.5*	map	table
Extreme high events Days with TMIN>=40°F	557	-0.39	34	96	2.8*	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<=-1°F	527	41	56	1.4	map	table
Extreme high events Days with TMIN>=40°F	557	123	92	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	6575 by year	0.08"		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"	1637	0.31"	0.01	286	280	1.0	map	table
Extreme events Days with PRCP>0.48"	320	0.91"	0.10	53	48	1.1	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"	1637	0.31"	-0.26	185	336	1.8*	map	table
Extreme events Days with PRCP>0.48"	320	0.91"	-0.52	27	74	2.7*	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"	1637	0.31"	256	275	1.1	map	table
Extreme events Days with PRCP>0.48"	320	0.91"	60	52	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	6274 by year	0.18"		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"	606	1.87"	-0.18	101	134	1.3	map	table
Extreme events Days with SNOW>3.0"	78	4.95"	-0.38	9	17	1.9	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"	606	1.87"	0.05	119	108	1.1	map	table
Extreme events Days with SNOW>3.0"	78	4.95"	0.02	16	11	1.5	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"	606	1.87"	67	110	1.6*	map	table
Extreme events Days with SNOW>3.0"	78	4.95"	7	12	1.7	map	table

SNOW under 2 index extremes Help

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