AURORA, IL - HCND station 110338

110338 - AURORA, Illinois

Latitude
41° 46´N

Longitude
88° 21´W

Elevation
640 feet

10 nearest HCND stations

37 mi	NNW :	MARENGO, IL
41 mi	SW :	OTTAWA 4SW, IL
57 mi	ESE :	HOBART 2WNW, IN
60 mi	W :	DIXON 1NW, IL
62 mi	SSW :	PONTIAC, IL
66 mi	WSW :	WALNUT, IL
69 mi	SSW :	MINONK, IL
72 mi	NNE :	RACINE, WI
74 mi	ESE :	WHEATFIELD 4NNW, IN
80 mi	NW :	BRODHEAD, WI

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

	Total observations	%	NDJFM observations	%
TMAX	17433	95.5%	7161	94.7%
TMIN	17601	96.4%	7296	96.5%
PRCP	16272	89.1%	6534	86.4%
SNOW	12860	70.4%	5523	73.0%

TMAX Help top of page

TMAX	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7161 by year	38.4°F	13.4°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	489	0.34	97	36	2.7*	map	table
Extreme low events Days with TMAX<=19°F	515	-0.47	70	140	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>=60°F	489	-0.38	30	88	2.9*	map	table
Extreme low events Days with TMAX<=19°F	515	0.28	124	78	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>=60°F	489	83	80	1.0	map	table
Extreme low events Days with TMAX<=19°F	515	50	67	1.3	map	table

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TMIN Help top of page

TMIN	observations	mean	std dev		Distribution	during extreme days of
NDJFM	7296 by year	20.4°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<=-3°F	492	-0.42	80	136	1.7*	map	table
Extreme high events Days with TMIN>=38°F	500	0.20	87	44	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	492	0.23	123	81	1.5*	map	table
Extreme high events Days with TMIN>=38°F	500	-0.41	19	81	4.3*	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	492	44	61	1.4	map	table
Extreme high events Days with TMIN>=38°F	500	100	75	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	6534 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"	2373	0.22"	-0.06	370	414	1.1	map	table
Extreme events Days with PRCP>0.36"	470	0.73"	0.04	79	75	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"	2373	0.22"	-0.19	321	464	1.4*	map	table
Extreme events Days with PRCP>0.36"	470	0.73"	-0.52	33	111	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"	2373	0.22"	323	410	1.3*	map	table
Extreme events Days with PRCP>0.36"	470	0.73"	76	80	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	5523 by year	0.26"		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"	1131	1.27"	-0.23	158	253	1.6*	map	table
Extreme events Days with SNOW>2.0"	219	3.86"	-0.28	30	57	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"	1131	1.27"	0.02	205	201	1.0	map	table
Extreme events Days with SNOW>2.0"	219	3.86"	-0.18	31	45	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"	1131	1.27"	113	206	1.8*	map	table
Extreme events Days with SNOW>2.0"	219	3.86"	16	35	2.2*	map	table

SNOW under 2 index extremes Help

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