PONTIAC, IL - COOP Midwest station 116910

116910 - PONTIAC, Illinois

Latitude
40° 53´N

Longitude
88° 38´W

Elevation
198 meters

10 nearest COOP Midwest stations

11 mi	SSW :	CHENOA, IL
11 mi	SSW :	CHENOA, IL
12 mi	SSE :	FAIRBURY WATERWORKS, IL
16 mi	SW :	GRIDLEY, IL
16 mi	NNE :	DWIGHT STATE REFORM, IL
18 mi	NNW :	STREATOR 3 SE, IL
18 mi	NE :	DWIGHT, IL
19 mi	NE :	DWIGHT, IL
19 mi	SSW :	LEXINGTON, IL
19 mi	E :	CULLOM, IL

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

	Total observations	%	NDJFM observations	%
TMAX	18034	98.7%	7421	98.1%
TMIN	18020	98.7%	7429	98.2%
PRCP	18025	98.7%	7394	97.8%
SNOW	17969	98.4%	7334	97.0%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7421 by year	40.2°F	13.9°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>=62°F	557	0.30	105	44	2.4*	map	table
Extreme low events Days with TMAX<=20°F	541	-0.38	85	148	1.7*	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>=62°F	557	-0.42	34	118	3.5*	map	table
Extreme low events Days with TMAX<=20°F	541	0.28	131	80	1.6*	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>=62°F	557	85	107	1.3	map	table
Extreme low events Days with TMAX<=20°F	541	50	72	1.4*	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	7429 by year	23.3°F	13.2°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<=0°F	500	-0.38	81	133	1.6*	map	table
Extreme high events Days with TMIN>=41°F	508	0.20	86	47	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<=0°F	500	0.37	136	69	2.0*	map	table
Extreme high events Days with TMIN>=41°F	508	-0.49	20	96	4.8*	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<=0°F	500	40	58	1.4*	map	table
Extreme high events Days with TMIN>=41°F	508	99	85	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	7394 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"	2082	0.24"	0.03	347	330	1.1	map	table
Extreme events Days with PRCP>0.38"	405	0.76"	0.08	73	58	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"	2082	0.24"	-0.22	268	434	1.6*	map	table
Extreme events Days with PRCP>0.38"	405	0.76"	-0.53	29	100	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"	2082	0.24"	319	356	1.1	map	table
Extreme events Days with PRCP>0.38"	405	0.76"	70	60	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	7334 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"	715	1.55"	-0.16	106	143	1.3*	map	table
Extreme events Days with SNOW>2.5"	131	4.19"	-0.40	18	34	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"	715	1.55"	0.13	155	120	1.3	map	table
Extreme events Days with SNOW>2.5"	131	4.19"	-0.04	19	21	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"	715	1.55"	73	118	1.6*	map	table
Extreme events Days with SNOW>2.5"	131	4.19"	11	21	1.9	map	table

SNOW under 2 index extremes Help

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