CHICAGO HEIGHTS, ILLINOIS

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Elevation: 211 meters Latitude: 41 30N Longitude: 087 40W

WEATHER

Monthly - Summary

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Number of Records: 366,605; Date Range: 7/17/01 - 3/22/16

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WEATHER ALMANAC - 21 DECEMBER, 2014

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[ °F ] °C

Weather Element	Average	High	Low
Temperature	0.7 ^°C	2.5 ^°C (1:55 pm)	-0.4 ^°C (11:55 pm)
Dewpoint	-2.2 ^°C	-1.1 ^°C (6:15 pm)	-2.8 ^°C (4:55 am)
Humidity	81.3 ^%	85 ^% (8:35 pm)	74 ^% (1:35 pm)
Barometer	1021.7 ^hPa	1024.7 hPa (12:15 am)	1017.3 hPa (11:15 pm)
Wind Speed	13.5 ^km/h	22.2 ^km/h (11:15 am)
Wind Gust		31.5 ^km/h (12:15 pm)

Weather Element	Average
Visibility	13.7 ^km
Wind Direction	SSE (166.9 °)

Weather Element	Total
Precipitation	---
Heating Degree Days	17.3 (Base 18.3)

Averaged from 72 records on 21 December, 2014

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - 21 DECEMBER, 2014

[ °F ] °C

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Gust Speed	Conditions
12:15 AM	0 ^°C	-2.5 ^°C	83 ^%	1024.7 hPa	11.3 ^km	South (190°)	9.3 ^km/h		Overcast
12:35 AM	0 ^°C	-2.5 ^°C	83 ^%	1024.7 hPa	16.1 ^km	South (180°)	11.1 ^km/h		Overcast
12:55 AM	0 ^°C	-2.5 ^°C	83 ^%	1024.7 hPa	16.1 ^km	South (180°)	9.3 ^km/h		Overcast
1:15 AM	0 ^°C	-2.5 ^°C	83 ^%	1024.7 hPa	16.1 ^km	South (180°)	9.3 ^km/h		Overcast
1:35 AM	0 ^°C	-2.5 ^°C	83 ^%	1024.7 hPa	16.1 ^km	South (180°)	9.3 ^km/h		Overcast
1:55 AM	0 ^°C	-2.5 ^°C	83 ^%	1024.7 hPa	16.1 ^km	South (180°)	9.3 ^km/h		Overcast
2:15 AM	0 ^°C	-2.7 ^°C	82 ^%	1024.7 hPa	16.1 ^km	South (170°)	9.3 ^km/h		Overcast
2:35 AM	0 ^°C	-2.7 ^°C	82 ^%	1024.7 hPa	16.1 ^km	South (170°)	11.1 ^km/h		Overcast
2:55 AM	0 ^°C	-2.7 ^°C	82 ^%	1024.7 hPa	16.1 ^km	South (170°)	13 ^km/h		Overcast
3:15 AM	0 ^°C	-2.7 ^°C	82 ^%	1024.4 hPa	16.1 ^km	South (180°)	11.1 ^km/h		Overcast
3:35 AM	0 ^°C	-2.7 ^°C	82 ^%	1024.4 hPa	16.1 ^km	South (180°)	13 ^km/h		Overcast
3:55 AM	0 ^°C	-2.7 ^°C	82 ^%	1024 hPa	16.1 ^km	South (180°)	13 ^km/h		Overcast
4:15 AM	0 ^°C	-2.7 ^°C	82 ^%	1024 hPa	16.1 ^km	South (170°)	9.3 ^km/h		Overcast
4:35 AM	0 ^°C	-2.7 ^°C	82 ^%	1024 hPa	16.1 ^km	SSE (160°)	11.1 ^km/h		Overcast
4:55 AM	0 ^°C	-2.8 ^°C	82 ^%	1024 hPa	16.1 ^km	South (170°)	11.1 ^km/h		Overcast
5:15 AM	0 ^°C	-2.7 ^°C	82 ^%	1024 hPa	16.1 ^km	South (170°)	7.4 ^km/h		Overcast
5:35 AM	0 ^°C	-2.8 ^°C	82 ^%	1023.7 hPa	16.1 ^km	SSE (160°)	9.3 ^km/h		Overcast
5:55 AM	0 ^°C	-2.7 ^°C	82 ^%	1023.7 hPa	16.1 ^km	South (170°)	11.1 ^km/h		Overcast
6:15 AM	0 ^°C	-2.7 ^°C	82 ^%	1024 hPa	16.1 ^km	South (180°)	11.1 ^km/h		Overcast
6:35 AM	0 ^°C	-2.7 ^°C	82 ^%	1024 hPa	16.1 ^km	South (190°)	9.3 ^km/h		Overcast
6:55 AM	0 ^°C	-2.7 ^°C	82 ^%	1024 hPa	16.1 ^km	South (170°)	13 ^km/h		Overcast
7:15 AM	0 ^°C	-2.7 ^°C	82 ^%	1024 hPa	16.1 ^km	SSW (200°)	7.4 ^km/h		Overcast
7:35 AM	-0.1 ^°C	-2.6 ^°C	83 ^%	1024 hPa	16.1 ^km	SW (220°)	11.1 ^km/h		Overcast
7:55 AM	-0.1 ^°C	-2.6 ^°C	83 ^%	1024 hPa	11.3 ^km	South (190°)	9.3 ^km/h		Overcast
8:15 AM	-0.2 ^°C	-2.6 ^°C	84 ^%	1024 hPa	11.3 ^km	South (170°)	14.8 ^km/h		Overcast
8:35 AM	-0.1 ^°C	-2.6 ^°C	83 ^%	1024 hPa	11.3 ^km	South (180°)	14.8 ^km/h		Overcast
8:55 AM	-0.1 ^°C	-2.6 ^°C	83 ^%	1024 hPa	11.3 ^km	South (170°)	14.8 ^km/h		Overcast
9:15 AM	0 ^°C	-2.6 ^°C	83 ^%	1023.7 hPa	11.3 ^km	South (170°)	18.5 ^km/h		Overcast
9:35 AM	0 ^°C	-2.7 ^°C	82 ^%	1023.7 hPa	11.3 ^km	South (170°)	14.8 ^km/h		Overcast
9:55 AM	0 ^°C	-2.6 ^°C	83 ^%	1023.7 hPa	11.3 ^km	South (170°)	14.8 ^km/h		Overcast
10:15 AM	0.2 ^°C	-2.5 ^°C	82 ^%	1023.7 hPa	11.3 ^km	South (170°)	16.7 ^km/h		Overcast
10:35 AM	0.3 ^°C	-2.5 ^°C	82 ^%	1023.4 hPa	11.3 ^km	South (170°)	13 ^km/h		Overcast
10:55 AM	0.5 ^°C	-2.3 ^°C	82 ^%	1023 hPa	11.3 ^km	South (170°)	18.5 ^km/h		Overcast
11:15 AM	0.6 ^°C	-2.5 ^°C	80 ^%	1022.7 hPa	16.1 ^km	South (170°)	22.2 ^km/h		Overcast
11:35 AM	0.9 ^°C	-2.3 ^°C	79 ^%	1022.4 hPa	16.1 ^km	South (170°)	18.5 ^km/h	27.8 ^km/h	Overcast
11:55 AM	1.1 ^°C	-2.2 ^°C	79 ^%	1022 hPa	16.1 ^km	South (180°)	18.5 ^km/h		Overcast
12:15 PM	1.1 ^°C	-2.3 ^°C	78 ^%	1021.7 hPa	16.1 ^km	South (180°)	20.4 ^km/h	31.5 ^km/h	Overcast
12:35 PM	1.5 ^°C	-2.1 ^°C	77 ^%	1021.3 hPa	16.1 ^km	South (180°)	16.7 ^km/h	25.9 ^km/h	Overcast
12:55 PM	1.7 ^°C	-2.1 ^°C	76 ^%	1021 hPa	16.1 ^km	South (180°)	20.4 ^km/h		Overcast
1:15 PM	2.1 ^°C	-1.9 ^°C	75 ^%	1020.7 hPa	16.1 ^km	South (170°)	18.5 ^km/h		Overcast
1:35 PM	2.4 ^°C	-1.8 ^°C	74 ^%	1020.3 hPa	16.1 ^km	South (180°)	16.7 ^km/h		Overcast
1:55 PM	2.5 ^°C	-1.7 ^°C	74 ^%	1020.3 hPa	16.1 ^km	South (180°)	18.5 ^km/h		Overcast
2:15 PM	2.5 ^°C	-1.6 ^°C	75 ^%	1020 hPa	16.1 ^km	South (170°)	18.5 ^km/h		Overcast
2:35 PM	2.5 ^°C	-1.5 ^°C	75 ^%	1020 hPa	16.1 ^km	South (170°)	13 ^km/h		Overcast
2:55 PM	2 ^°C	-2 ^°C	75 ^%	1020 hPa	16.1 ^km	South (170°)	16.7 ^km/h		Overcast
3:15 PM	2.3 ^°C	-1.5 ^°C	76 ^%	1019.6 hPa	16.1 ^km	SSE (160°)	16.7 ^km/h		Overcast
3:35 PM	2 ^°C	-1.5 ^°C	78 ^%	1019.6 hPa	11.3 ^km	SSE (160°)	9.3 ^km/h		Overcast
3:55 PM	1.6 ^°C	-1.6 ^°C	79 ^%	1019.6 hPa	11.3 ^km	SSE (160°)	11.1 ^km/h		Mostly Cloudy
4:15 PM	1.5 ^°C	-1.6 ^°C	80 ^%	1019.6 hPa	11.3 ^km	SSE (160°)	11.1 ^km/h		Scattered Clouds
4:35 PM	1.5 ^°C	-1.5 ^°C	81 ^%	1019.6 hPa	11.3 ^km	SSE (160°)	9.3 ^km/h		Scattered Clouds
4:55 PM	1.8 ^°C	-1.4 ^°C	80 ^%	1019.6 hPa	16.1 ^km	SSE (160°)	7.4 ^km/h		Mostly Cloudy
5:15 PM	1.8 ^°C	-1.2 ^°C	81 ^%	1019.6 hPa	16.1 ^km	SE (140°)	5.6 ^km/h		Overcast
5:35 PM	1.7 ^°C	-1.2 ^°C	81 ^%	1019.6 hPa	16.1 ^km	SSE (150°)	7.4 ^km/h		Overcast
5:55 PM	2 ^°C	-1.2 ^°C	80 ^%	1019.6 hPa	16.1 ^km	SSE (150°)	7.4 ^km/h		Overcast
6:15 PM	2 ^°C	-1.1 ^°C	80 ^%	1019.6 hPa	16.1 ^km	SSE (150°)	9.3 ^km/h		Overcast
6:35 PM	2 ^°C	-1.2 ^°C	80 ^%	1019.6 hPa	16.1 ^km	SSE (150°)	11.1 ^km/h		Overcast
6:55 PM	2 ^°C	-1.5 ^°C	78 ^%	1019.6 hPa	11.3 ^km	SSE (150°)	16.7 ^km/h		Overcast
7:15 PM	1.7 ^°C	-1.6 ^°C	79 ^%	1019.3 hPa	11.3 ^km	SE (140°)	13 ^km/h		Overcast
7:35 PM	1.4 ^°C	-1.6 ^°C	81 ^%	1019 hPa	11.3 ^km	SE (140°)	16.7 ^km/h		Overcast
7:55 PM	1 ^°C	-1.8 ^°C	82 ^%	1018.6 hPa	11.3 ^km	SSE (150°)	18.5 ^km/h		Overcast
8:15 PM	0.8 ^°C	-1.9 ^°C	82 ^%	1018.6 hPa	11.3 ^km	SE (140°)	14.8 ^km/h		Overcast
8:35 PM	0.2 ^°C	-2.1 ^°C	85 ^%	1018.6 hPa	11.3 ^km	SE (140°)	16.7 ^km/h		Mostly Cloudy
8:55 PM	0.2 ^°C	-2.1 ^°C	85 ^%	1018.3 hPa	11.3 ^km	SSE (150°)	14.8 ^km/h		Clear
9:15 PM	0 ^°C	-2.2 ^°C	85 ^%	1017.9 hPa	11.3 ^km	SSE (150°)	16.7 ^km/h	29.6 ^km/h	Clear
9:35 PM	0 ^°C	-2.3 ^°C	85 ^%	1017.9 hPa	8 ^km	SE (140°)	16.7 ^km/h		Clear
9:55 PM	0 ^°C	-2.3 ^°C	85 ^%	1017.6 hPa	8 ^km	SSE (150°)	14.8 ^km/h		Clear
10:15 PM	0 ^°C	-2.3 ^°C	85 ^%	1017.6 hPa	8 ^km	SSE (150°)	20.4 ^km/h		Scattered Clouds
10:35 PM	-0.1 ^°C	-2.4 ^°C	85 ^%	1017.6 hPa	8 ^km	SSE (150°)	18.5 ^km/h		Mostly Cloudy
10:55 PM	-0.2 ^°C	-2.5 ^°C	85 ^%	1017.6 hPa	8 ^km	SSE (160°)	16.7 ^km/h		Haze
11:15 PM	-0.2 ^°C	-2.5 ^°C	85 ^%	1017.3 hPa	8 ^km	SSE (160°)	14.8 ^km/h		Clear
11:35 PM	-0.2 ^°C	-2.5 ^°C	85 ^%	1017.3 hPa	8 ^km	SSE (160°)	13 ^km/h		Scattered Clouds
11:55 PM	-0.4 ^°C	-2.6 ^°C	85 ^%	1017.3 hPa	8 ^km	SSE (160°)	14.8 ^km/h		Scattered Clouds

Hourly data recorded from KIGQ, located 0 kilometers away from Chicago Heights, Illinois