PETERSBURG, ILLINOIS

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Elevation: 158 meters Latitude: 40 01N Longitude: 089 51W

WEATHER

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Number of Records: 221,836; Date Range: 1/1/95 - 3/22/16

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WEATHER ALMANAC - 21 DECEMBER, 2014

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[ °F ] °C

Weather Element	Average	High	Low
Temperature	3.5 ^°C	4.4 ^°C (2:59 pm)	2.8 ^°C (12:52 am)
Dewpoint	-0.7 ^°C	0 ^°C (6:35 am)	-1.1 ^°C (4:52 pm)
Humidity	74.5 ^%	79 ^% (12:52 am)	68 ^% (11:52 pm)
Barometer	1020.3 ^hPa	1024 hPa (12:52 am)	1014.9 hPa (11:52 pm)
Wind Speed	19.8 ^km/h	25.9 ^km/h (8:52 pm)
Wind Gust		40.7 ^km/h (11:52 pm)

Weather Element	Average
Visibility	16.1 ^km
Wind Direction	SSE (156.2 °)

Weather Element	Total
Precipitation	---
Heating Degree Days	14.8 (Base 18.3)

Averaged from 26 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
12:52 AM	2.8 ^°C	-0.6 ^°C	79 ^%	1024 hPa	16.1 ^km	South (170°)	20.4 ^km/h		Overcast
1:52 AM	2.8 ^°C	-0.6 ^°C	79 ^%	1024 hPa	16.1 ^km	South (170°)	14.8 ^km/h		Overcast
2:52 AM	2.8 ^°C	-0.6 ^°C	79 ^%	1023.7 hPa	16.1 ^km	South (180°)	18.5 ^km/h		Overcast
3:52 AM	2.8 ^°C	-0.6 ^°C	79 ^%	1023.4 hPa	16.1 ^km	South (170°)	14.8 ^km/h		Overcast
4:52 AM	2.8 ^°C	-0.6 ^°C	79 ^%	1023.4 hPa	16.1 ^km	South (170°)	14.8 ^km/h		Overcast
5:52 AM	2.8 ^°C	-0.6 ^°C	79 ^%	1023.4 hPa	16.1 ^km	South (170°)	16.7 ^km/h		Overcast
6:35 AM	3.3 ^°C	0 ^°C	79 ^%	1023 hPa	16.1 ^km	South (170°)	13 ^km/h		Overcast
6:52 AM	3.3 ^°C	0 ^°C	79 ^%	1023.7 hPa	16.1 ^km	South (170°)	16.7 ^km/h		Overcast
7:52 AM	3.3 ^°C	-0.6 ^°C	76 ^%	1023.4 hPa	16.1 ^km	South (170°)	20.4 ^km/h		Overcast
8:52 AM	3.3 ^°C	-0.6 ^°C	76 ^%	1023.4 hPa	16.1 ^km	SSE (150°)	20.4 ^km/h		Overcast
9:52 AM	3.3 ^°C	-0.6 ^°C	76 ^%	1023.4 hPa	16.1 ^km	SSE (150°)	22.2 ^km/h		Overcast
10:52 AM	3.3 ^°C	-0.6 ^°C	76 ^%	1022.7 hPa	16.1 ^km	SSE (160°)	22.2 ^km/h		Overcast
11:52 AM	3.9 ^°C	-0.6 ^°C	73 ^%	1021.3 hPa	16.1 ^km	SSE (160°)	18.5 ^km/h		Overcast
12:52 PM	3.9 ^°C	-0.6 ^°C	73 ^%	1020 hPa	16.1 ^km	SSE (150°)	22.2 ^km/h		Overcast
1:52 PM	3.9 ^°C	-0.6 ^°C	73 ^%	1018.6 hPa	16.1 ^km	SSE (150°)	24.1 ^km/h		Overcast
2:52 PM	4 ^°C	-1 ^°C	70 ^%	1017.9 hPa	16.1 ^km	SSE (160°)	24.1 ^km/h		Overcast
2:59 PM	4.4 ^°C	-0.6 ^°C	70 ^%	1017.9 hPa	16.1 ^km	SSE (160°)	22.2 ^km/h		Overcast
3:52 PM	4.4 ^°C	0 ^°C	73 ^%	1017.9 hPa	16.1 ^km	SE (140°)	22.2 ^km/h		Overcast
4:52 PM	3.3 ^°C	-1.1 ^°C	73 ^%	1017.3 hPa	16.1 ^km	SE (130°)	18.5 ^km/h		Clear
5:52 PM	3.3 ^°C	-0.6 ^°C	76 ^%	1017.3 hPa	16.1 ^km	SE (130°)	18.5 ^km/h		Mostly Cloudy
6:52 PM	3.9 ^°C	-1.1 ^°C	70 ^%	1016.6 hPa	16.1 ^km	SE (130°)	20.4 ^km/h		Overcast
7:52 PM	3.9 ^°C	-1.1 ^°C	70 ^%	1016.9 hPa	16.1 ^km	SSE (150°)	22.2 ^km/h		Overcast
8:52 PM	3.9 ^°C	-1.1 ^°C	70 ^%	1016.3 hPa	16.1 ^km	SSE (150°)	25.9 ^km/h		Overcast
9:52 PM	3.9 ^°C	-1.1 ^°C	70 ^%	1015.6 hPa	16.1 ^km	SSE (150°)	22.2 ^km/h	38.9 ^km/h	Overcast
10:52 PM	3.9 ^°C	-0.6 ^°C	73 ^%	1015.2 hPa	16.1 ^km	SSE (150°)	14.8 ^km/h		Overcast
11:52 PM	4.4 ^°C	-1.1 ^°C	68 ^%	1014.9 hPa	16.1 ^km	SSE (150°)	24.1 ^km/h	40.7 ^km/h	Overcast

Hourly data recorded from KSPI, located 0 kilometers away from Petersburg, Illinois