PARK FOREST, IL - COOP Midwest station 116616

116616 - PARK FOREST, Illinois

Latitude
41° 30´N

Longitude
87° 41´W

Elevation
216 meters

10 nearest COOP Midwest stations

3 mi	E :	CHICAGO HEIGHTS, IL
4 mi	SE :	CRETE, IL
6 mi	SSW :	MONEE RESERVOIR, IL
12 mi	NNE :	CHICAGO CAL TREAT WKS, IL
13 mi	SSW :	PEOTONE, IL
14 mi	N :	CHICAGO ROSELAND PUMP, IL
15 mi	NE :	WHITING, IN
17 mi	ESE :	CROWN POINT 1 N, IN
17 mi	ENE :	GARY, IN
18 mi	NW :	LITTLE RED SCHOOL HOUSE, IL

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

	Total observations	%	NDJFM observations	%
TMAX	16431	90.0%	6817	90.1%
TMIN	16477	90.2%	6808	90.0%
PRCP	16502	90.4%	6796	89.9%
SNOW	15437	84.5%	5845	77.3%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	6817 by year	38.4°F	13.6°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>=60°F	488	0.32	95	36	2.6*	map	table
Extreme low events Days with TMAX<=18°F	455	-0.42	68	129	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>=60°F	488	-0.38	33	94	2.8*	map	table
Extreme low events Days with TMAX<=18°F	455	0.21	111	81	1.4	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>=60°F	488	93	72	1.3	map	table
Extreme low events Days with TMAX<=18°F	455	44	45	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	6808 by year	22.0°F	13.3°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	473	-0.47	69	139	2.0*	map	table
Extreme high events Days with TMIN>=40°F	462	0.26	79	37	2.1*	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	473	0.31	131	73	1.8*	map	table
Extreme high events Days with TMIN>=40°F	462	-0.41	21	74	3.5*	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<=-1°F	473	44	46	1.0	map	table
Extreme high events Days with TMIN>=40°F	462	109	59	1.8*	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	6796 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"	1920	0.25"	-0.01	316	323	1.0	map	table
Extreme events Days with PRCP>0.39"	382	0.79"	0.12	68	52	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"	1920	0.25"	-0.14	282	350	1.2*	map	table
Extreme events Days with PRCP>0.39"	382	0.79"	-0.45	36	85	2.4*	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"	1920	0.25"	317	293	1.1	map	table
Extreme events Days with PRCP>0.39"	382	0.79"	78	50	1.6*	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	5845 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"	595	1.76"	-0.27	85	141	1.7*	map	table
Extreme events Days with SNOW>2.9"	119	4.47"	-0.45	14	34	2.4*	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"	595	1.76"	0.29	149	84	1.8*	map	table
Extreme events Days with SNOW>2.9"	119	4.47"	0.22	22	10	2.2*	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"	595	1.76"	53	104	2.0*	map	table
Extreme events Days with SNOW>2.9"	119	4.47"	5	16	3.2*	map	table

SNOW under 2 index extremes Help

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