NAPERVILLE, ILLINOIS

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Elevation: 209 meters Latitude: 41 49N Longitude: 088 04W

WEATHER

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Number of Records: 214,646; Date Range: 1/1/95 - 3/22/16

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WEATHER ALMANAC - 17 DECEMBER, 2014

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[ °F ] °C

Weather Element	Average	High	Low
Temperature	-3.5 ^°C	-2.2 ^°C (12:51 am)	-4.4 ^°C (10:51 pm)
Dewpoint	-8.2 ^°C	-5.6 ^°C (1:51 am)	-9.4 ^°C (6:51 pm)
Humidity	71 ^%	78 ^% (1:51 am)	64 ^% (3:51 pm)
Barometer	1024.4 ^hPa	1026.8 hPa (11:51 pm)	1021.3 hPa (12:51 am)
Wind Speed	18 ^km/h	24.1 ^km/h (7:51 am)

Weather Element	Average
Visibility	16.1 ^km
Wind Direction	WNW (300 °)

Weather Element	Total
Precipitation	---
Heating Degree Days	21.7 (Base 18.3)

Averaged from 25 records on 17 December, 2014

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - 17 DECEMBER, 2014

[ °F ] °C

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Precipitation	Events	Conditions
12:51 AM	-2.2 ^°C	-6.1 ^°C	75 ^%	1021.3 hPa	16.1 ^km	West (280°)	22.2 ^km/h			Overcast
1:51 AM	-2.2 ^°C	-5.6 ^°C	78 ^%	1021.7 hPa	16.1 ^km	WNW (290°)	18.5 ^km/h			Overcast
2:51 AM	-2.8 ^°C	-6.1 ^°C	78 ^%	1022.4 hPa	16.1 ^km	West (270°)	22.2 ^km/h			Overcast
3:51 AM	-3.3 ^°C	-6.7 ^°C	78 ^%	1022.7 hPa	16.1 ^km	WNW (300°)	13 ^km/h			Overcast
4:51 AM	-3.3 ^°C	-6.7 ^°C	78 ^%	1023 hPa	16.1 ^km	WNW (300°)	18.5 ^km/h			Overcast
5:51 AM	-3.9 ^°C	-7.2 ^°C	78 ^%	1023.7 hPa	16.1 ^km	West (280°)	22.2 ^km/h			Overcast
6:51 AM	-3.9 ^°C	-7.8 ^°C	75 ^%	1024 hPa	16.1 ^km	West (280°)	22.2 ^km/h			Overcast
7:51 AM	-3.9 ^°C	-8.3 ^°C	72 ^%	1024.4 hPa	16.1 ^km	WNW (290°)	24.1 ^km/h			Overcast
8:51 AM	-3.9 ^°C	-8.3 ^°C	72 ^%	1024.4 hPa	16.1 ^km	NW (310°)	16.7 ^km/h			Overcast
9:51 AM	-3.3 ^°C	-8.3 ^°C	69 ^%	1024.7 hPa	16.1 ^km	NW (310°)	18.5 ^km/h			Overcast
10:51 AM	-3.3 ^°C	-8.3 ^°C	69 ^%	1025.1 hPa	16.1 ^km	WNW (290°)	18.5 ^km/h			Overcast
11:51 AM	-3.3 ^°C	-8.3 ^°C	69 ^%	1024.4 hPa	16.1 ^km	West (280°)	16.7 ^km/h			Overcast
12:51 PM	-3.3 ^°C	-8.3 ^°C	69 ^%	1024 hPa	16.1 ^km	NW (310°)	22.2 ^km/h			Overcast
1:51 PM	-3.3 ^°C	-8.3 ^°C	69 ^%	1023.7 hPa	16.1 ^km	WNW (300°)	20.4 ^km/h			Overcast
2:51 PM	-3.3 ^°C	-8.9 ^°C	66 ^%	1024 hPa	16.1 ^km	WNW (290°)	20.4 ^km/h			Overcast
3:51 PM	-3 ^°C	-9 ^°C	64 ^%	1023.7 hPa	16.1 ^km	WNW (300°)	18.5 ^km/h			Overcast
4:51 PM	-3.9 ^°C	-8.9 ^°C	69 ^%	1025.1 hPa	16.1 ^km	NW (310°)	14.8 ^km/h			Overcast
5:51 PM	-3.9 ^°C	-8.9 ^°C	69 ^%	1025.4 hPa	16.1 ^km	WNW (290°)	11.1 ^km/h			Overcast
6:51 PM	-3.9 ^°C	-9.4 ^°C	66 ^%	1025.7 hPa	16.1 ^km	NNW (330°)	16.7 ^km/h			Overcast
7:51 PM	-3.9 ^°C	-8.9 ^°C	69 ^%	1026.1 hPa	16.1 ^km	West (280°)	14.8 ^km/h			Overcast
8:22 PM	-3.9 ^°C	-8.9 ^°C	69 ^%	1024.7 hPa	16.1 ^km	WNW (300°)	16.7 ^km/h			Overcast
8:51 PM	-3.9 ^°C	-9.4 ^°C	66 ^%	1025.4 hPa	16.1 ^km	NNW (340°)	16.7 ^km/h			Mostly Cloudy
9:51 PM	-3.9 ^°C	-8.9 ^°C	69 ^%	1025.7 hPa	16.1 ^km	NW (310°)	14.8 ^km/h			Overcast
10:51 PM	-4.4 ^°C	-9.4 ^°C	69 ^%	1026.4 hPa	14.5 ^km	NNW (330°)	14.8 ^km/h	0 mm	Snow	Light Snow
11:51 PM	-4.4 ^°C	-9.4 ^°C	69 ^%	1026.8 hPa	16.1 ^km	NNW (330°)	14.8 ^km/h	0 mm		Overcast

Hourly data recorded from KORD, located 0 kilometers away from Naperville, Illinois