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 - 26 JULY, 2015

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[ °F ] °C

Weather Element	Average	High	Low
Temperature	25.8 ^°C	31.1 ^°C (1:52 pm)	20.6 ^°C (5:52 am)
Dewpoint	18.8 ^°C	20.6 ^°C (12:52 pm)	16.1 ^°C (3:52 am)
Humidity	65.5 ^%	81 ^% (6:52 am)	53 ^% (1:52 pm)
Barometer	1014.9 ^hPa	1015.6 hPa (7:52 am)	1013.9 hPa (4:52 pm)
Wind Speed	13.2 ^km/h	20.4 ^km/h (1:52 pm)
Wind Gust		29.6 ^km/h (1:52 pm)

Weather Element	Average
Visibility	16.1 ^km
Wind Direction	S (180.8 °)

Weather Element	Total
Precipitation	---
Cooling Degree Days	7.6 (Base 18.3)
Growing Degree Days	15.9 (Base 10)

Averaged from 24 records on 26 July, 2015

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - 26 JULY, 2015

[ °F ] °C

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Gust Speed	Conditions
12:52 AM	22.8 ^°C	17.2 ^°C	71 ^%	1015.2 hPa	16.1 ^km	South (180°)	9.3 ^km/h		Clear
1:52 AM	22.2 ^°C	16.7 ^°C	71 ^%	1015.2 hPa	16.1 ^km	South (170°)	7.4 ^km/h		Clear
2:52 AM	21.1 ^°C	16.7 ^°C	76 ^%	1015.2 hPa	16.1 ^km	South (170°)	7.4 ^km/h		Clear
3:52 AM	21.1 ^°C	16.1 ^°C	73 ^%	1014.6 hPa	16.1 ^km	SSE (160°)	9.3 ^km/h		Clear
4:52 AM	21.1 ^°C	16.1 ^°C	73 ^%	1014.6 hPa	16.1 ^km	South (170°)	13 ^km/h		Partly Cloudy
5:52 AM	20.6 ^°C	16.7 ^°C	78 ^%	1014.9 hPa	16.1 ^km	South (190°)	9.3 ^km/h		Partly Cloudy
6:52 AM	20.6 ^°C	17.2 ^°C	81 ^%	1015.2 hPa	16.1 ^km	South (190°)	9.3 ^km/h		Partly Cloudy
7:52 AM	21.7 ^°C	17.2 ^°C	75 ^%	1015.6 hPa	16.1 ^km	SSW (200°)	13 ^km/h		Partly Cloudy
8:52 AM	23.9 ^°C	18.3 ^°C	71 ^%	1015.6 hPa	16.1 ^km	South (190°)	13 ^km/h		Partly Cloudy
9:52 AM	25 ^°C	18.3 ^°C	66 ^%	1015.6 hPa	16.1 ^km	SSW (210°)	14.8 ^km/h		Partly Cloudy
10:52 AM	27.2 ^°C	19.4 ^°C	62 ^%	1015.6 hPa	16.1 ^km	SW (220°)	11.1 ^km/h		Scattered Clouds
11:52 AM	28.9 ^°C	20 ^°C	58 ^%	1015.6 hPa	16.1 ^km	South (180°)	16.7 ^km/h		Mostly Cloudy
12:52 PM	30 ^°C	20.6 ^°C	57 ^%	1015.2 hPa	16.1 ^km	SSW (200°)	16.7 ^km/h		Scattered Clouds
1:52 PM	31.1 ^°C	20.6 ^°C	53 ^%	1014.9 hPa	16.1 ^km	South (190°)	20.4 ^km/h	29.6 ^km/h	Mostly Cloudy
2:52 PM	30 ^°C	20.6 ^°C	57 ^%	1014.9 hPa	16.1 ^km	South (180°)	18.5 ^km/h	27.8 ^km/h	Mostly Cloudy
3:52 PM	30 ^°C	20.6 ^°C	57 ^%	1014.2 hPa	16.1 ^km	South (190°)	20.4 ^km/h		Mostly Cloudy
4:52 PM	30.6 ^°C	20 ^°C	53 ^%	1013.9 hPa	16.1 ^km	South (180°)	18.5 ^km/h	29.6 ^km/h	Mostly Cloudy
5:52 PM	30 ^°C	20.6 ^°C	57 ^%	1013.9 hPa	16.1 ^km	South (170°)	16.7 ^km/h		Mostly Cloudy
6:52 PM	28.9 ^°C	20 ^°C	58 ^%	1013.9 hPa	16.1 ^km	SSE (160°)	14.8 ^km/h		Mostly Cloudy
7:52 PM	27.8 ^°C	20 ^°C	62 ^%	1014.2 hPa	16.1 ^km	SSE (160°)	11.1 ^km/h		Mostly Cloudy
8:52 PM	27.2 ^°C	20 ^°C	65 ^%	1014.2 hPa	16.1 ^km	South (170°)	7.4 ^km/h		Mostly Cloudy
9:52 PM	26.7 ^°C	20 ^°C	67 ^%	1014.6 hPa	16.1 ^km	South (170°)	13 ^km/h		Overcast
10:52 PM	26.1 ^°C	19.4 ^°C	66 ^%	1014.6 hPa	16.1 ^km	South (170°)	13 ^km/h		Overcast
11:52 PM	25.6 ^°C	18.9 ^°C	66 ^%	1014.6 hPa	16.1 ^km	South (170°)	13 ^km/h		Overcast

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