HERNDON, VIRGINIA

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Elevation: 98 meters Latitude: 38 57N Longitude: 077 27W

WEATHER

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Number of Records: 213,900; Date Range: 1/1/95 - 3/22/16

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WEATHER ALMANAC - 28 OCTOBER, 2014

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[ °F ] °C

Weather Element	Average	High	Low
Temperature	18.8 ^°C	27.2 ^°C (2:52 pm)	11.7 ^°C (7:52 am)
Dewpoint	9.8 ^°C	13.9 ^°C (9:52 pm)	5 ^°C (12:52 am)
Humidity	57.2 ^%	74 ^% (7:52 am)	39 ^% (2:52 pm)
Barometer	1015.2 ^hPa	1017.6 hPa (8:52 am)	1013.2 hPa (5:52 pm)
Wind Speed	13.7 ^km/h	22.2 ^km/h (7:52 pm)
Wind Gust		33.3 ^km/h (5:52 pm)

Weather Element	Average
Visibility	16.1 ^km
Wind Direction	S (182.5 °)

Weather Element	Total
Precipitation	---
Cooling Degree Days	1.2 (Base 18.3)
Growing Degree Days	9.5 (Base 10)

Averaged from 24 records on 28 October, 2014

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - 28 OCTOBER, 2014

[ °F ] °C

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Gust Speed	Conditions
12:52 AM	13.3 ^°C	5 ^°C	57 ^%	1016.3 hPa	16.1 ^km	South (190°)	11.1 ^km/h		Mostly Cloudy
1:52 AM	12.2 ^°C	5.6 ^°C	64 ^%	1016.3 hPa	16.1 ^km	South (190°)	9.3 ^km/h		Mostly Cloudy
2:52 AM	13.3 ^°C	6.1 ^°C	62 ^%	1016.3 hPa	16.1 ^km	South (190°)	13 ^km/h		Overcast
3:52 AM	13.3 ^°C	6.1 ^°C	62 ^%	1016.3 hPa	16.1 ^km	South (190°)	16.7 ^km/h		Overcast
4:52 AM	12.8 ^°C	6.7 ^°C	67 ^%	1016.3 hPa	16.1 ^km	South (190°)	14.8 ^km/h		Mostly Cloudy
5:52 AM	12 ^°C	7 ^°C	72 ^%	1016.6 hPa	16.1 ^km	South (190°)	13 ^km/h		Mostly Cloudy
6:52 AM	12 ^°C	7 ^°C	72 ^%	1016.9 hPa	16.1 ^km	South (180°)	14.8 ^km/h		Mostly Cloudy
7:52 AM	11.7 ^°C	7.2 ^°C	74 ^%	1016.9 hPa	16.1 ^km	South (180°)	13 ^km/h		Mostly Cloudy
8:52 AM	12.8 ^°C	7.8 ^°C	72 ^%	1017.6 hPa	16.1 ^km	South (190°)	9.3 ^km/h		Mostly Cloudy
9:52 AM	15 ^°C	8.3 ^°C	64 ^%	1017.3 hPa	16.1 ^km	South (180°)	9.3 ^km/h		Mostly Cloudy
10:52 AM	17.8 ^°C	9.4 ^°C	58 ^%	1017.3 hPa	16.1 ^km	South (190°)	9.3 ^km/h		Mostly Cloudy
11:52 AM	20.6 ^°C	10 ^°C	51 ^%	1016.6 hPa	16.1 ^km	South (180°)	11.1 ^km/h		Mostly Cloudy
12:52 PM	23.9 ^°C	11.1 ^°C	44 ^%	1015.9 hPa	16.1 ^km	South (190°)	11.1 ^km/h		Mostly Cloudy
1:52 PM	24.4 ^°C	11.1 ^°C	43 ^%	1014.9 hPa	16.1 ^km	South (180°)	13 ^km/h		Mostly Cloudy
2:52 PM	27.2 ^°C	12.2 ^°C	39 ^%	1013.9 hPa	16.1 ^km	South (170°)	13 ^km/h		Mostly Cloudy
3:52 PM	27.2 ^°C	12.8 ^°C	41 ^%	1013.5 hPa	16.1 ^km	SE (140°)	13 ^km/h		Mostly Cloudy
4:52 PM	26.1 ^°C	12.2 ^°C	42 ^%	1013.5 hPa	16.1 ^km	SSE (160°)	11.1 ^km/h		Mostly Cloudy
5:52 PM	25 ^°C	11.1 ^°C	42 ^%	1013.2 hPa	16.1 ^km	South (180°)	16.7 ^km/h	33.3 ^km/h	Mostly Cloudy
6:52 PM	22.8 ^°C	11.1 ^°C	48 ^%	1013.5 hPa	16.1 ^km	South (180°)	16.7 ^km/h		Mostly Cloudy
7:52 PM	23.3 ^°C	11.7 ^°C	48 ^%	1013.2 hPa	16.1 ^km	South (190°)	22.2 ^km/h		Mostly Cloudy
8:52 PM	22.2 ^°C	12.8 ^°C	55 ^%	1013.5 hPa	16.1 ^km	South (190°)	16.7 ^km/h		Mostly Cloudy
9:52 PM	21.1 ^°C	13.9 ^°C	63 ^%	1013.5 hPa	16.1 ^km	South (180°)	18.5 ^km/h		Mostly Cloudy
10:52 PM	20.6 ^°C	13.9 ^°C	65 ^%	1013.5 hPa	16.1 ^km	South (190°)	13 ^km/h		Mostly Cloudy
11:52 PM	20 ^°C	13.9 ^°C	68 ^%	1013.2 hPa	16.1 ^km	South (190°)	16.7 ^km/h		Mostly Cloudy

Hourly data recorded from KIAD, located 0 kilometers away from Herndon, Virginia