WEATHER
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Weather Element | Average | High | Low |
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Temperature | 40.8 °F | 50 °F (12:52 pm) | 34 °F (7:52 am) |
Dewpoint | 32.3 °F | 41 °F (12:13 am) | 24.1 °F (8:52 pm) |
Humidity | 74.6 % | 100 % (12:13 am) | 48 % (1:52 pm) |
Barometer | 29.99 in | 30.09 in (11:52 pm) | 29.91 in (12:13 am) |
Wind Speed | 8.7 mph | 18.4 mph (1:52 pm) | |
Wind Gust | 26.5 mph (1:52 pm) |
Weather Element | Average |
---|---|
Visibility | 7.8 mi |
Wind Direction | WSW (233 °) |
Weather Element | Total |
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Precipitation | --- |
Heating Degree Days | 23 (Base 65) |
Averaged from 27 records on December 17, 2014 |
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Local Time | Temperature | Dewpoint | Humidity | Barometer | Visibility | Wind Direction | Wind Speed | Gust Speed | Precipitation | Events | Conditions |
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12:13 AM | 41.0 °F | 41.0 °F | 100 % | 29.91 in | 0.1 mi | Calm | Fog | Fog | |||
12:52 AM | 39.9 °F | 39.9 °F | 100 % | 29.91 in | 0.1 mi | Calm | Fog | Fog | |||
1:52 AM | 39.0 °F | 39.0 °F | 100 % | 29.93 in | 0.1 mi | SW (230°) | 3.5 mph | Fog | Fog | ||
2:28 AM | 37.4 °F | 37.4 °F | 100 % | 29.93 in | 0.2 mi | WSW (240°) | 3.5 mph | Fog | Fog | ||
2:52 AM | 37.0 °F | 37.0 °F | 100 % | 29.94 in | 0.2 mi | South (190°) | 3.5 mph | Fog | Fog | ||
3:33 AM | 35.6 °F | 35.6 °F | 100 % | 29.93 in | 4.0 mi | Calm | Fog | Patches of Fog | |||
3:52 AM | 36.0 °F | 35.1 °F | 97 % | 29.94 in | 5.0 mi | SW (220°) | 3.5 mph | Clear | |||
4:52 AM | 36.0 °F | 35.1 °F | 97 % | 29.94 in | 10.0 mi | SW (220°) | 4.6 mph | Clear | |||
5:52 AM | 36.0 °F | 35.1 °F | 97 % | 29.96 in | 10.0 mi | Calm | Partly Cloudy | ||||
6:52 AM | 35.1 °F | 33.1 °F | 92 % | 29.98 in | 10.0 mi | Calm | Clear | ||||
7:52 AM | 34.0 °F | 33.1 °F | 96 % | 29.99 in | 10.0 mi | SSW (200°) | 4.6 mph | Scattered Clouds | |||
8:52 AM | 44.1 °F | 39.9 °F | 85 % | 30.01 in | 10.0 mi | West (270°) | 3.5 mph | Scattered Clouds | |||
9:52 AM | 48.9 °F | 39.0 °F | 69 % | 30.02 in | 10.0 mi | West (280°) | 8.1 mph | Partly Cloudy | |||
10:52 AM | 48.9 °F | 37.0 °F | 64 % | 30.01 in | 10.0 mi | NW (310°) | 16.1 mph | Mostly Cloudy | |||
11:52 AM | 48.9 °F | 34.0 °F | 56 % | 30.00 in | 10.0 mi | WNW (300°) | 16.1 mph | 23.0 mph | Mostly Cloudy | ||
12:52 PM | 50.0 °F | 32.0 °F | 50 % | 29.99 in | 10.0 mi | NW (320°) | 16.1 mph | 21.9 mph | Mostly Cloudy | ||
1:52 PM | 50.0 °F | 30.9 °F | 48 % | 29.97 in | 10.0 mi | NW (310°) | 18.4 mph | 26.5 mph | Mostly Cloudy | ||
2:52 PM | 48.9 °F | 30.0 °F | 48 % | 29.99 in | 10.0 mi | NW (310°) | 13.8 mph | 21.9 mph | Scattered Clouds | ||
3:52 PM | 46.9 °F | 28.0 °F | 48 % | 29.99 in | 10.0 mi | NW (310°) | 18.4 mph | Scattered Clouds | |||
4:52 PM | 44.6 °F | 26.6 °F | 49 % | 30.00 in | 10.0 mi | NW (320°) | 18.4 mph | 24.2 mph | Partly Cloudy | ||
5:52 PM | 41.0 °F | 26.1 °F | 55 % | 30.02 in | 10.0 mi | NW (320°) | 11.5 mph | Scattered Clouds | |||
6:52 PM | 39.9 °F | 25.0 °F | 55 % | 30.04 in | 10.0 mi | NNW (330°) | 10.4 mph | Partly Cloudy | |||
7:52 PM | 37.9 °F | 26.1 °F | 62 % | 30.06 in | 10.0 mi | NW (320°) | 13.8 mph | 24.2 mph | Partly Cloudy | ||
8:52 PM | 37.0 °F | 24.1 °F | 59 % | 30.07 in | 10.0 mi | NW (320°) | 18.4 mph | 23.0 mph | Clear | ||
9:52 PM | 36.0 °F | 24.1 °F | 62 % | 30.06 in | 10.0 mi | NNW (330°) | 9.2 mph | Partly Cloudy | |||
10:52 PM | 36.0 °F | 24.1 °F | 62 % | 30.07 in | 10.0 mi | NW (320°) | 12.7 mph | Scattered Clouds | |||
11:52 PM | 36.0 °F | 24.1 °F | 62 % | 30.09 in | 10.0 mi | NW (320°) | 8.1 mph | Scattered Clouds |
Hourly data recorded from KIAD, located miles away from Herndon, Virginia |