Vienna, VA Current Weather Conditions [Select Refresh to Update]
Updated Automatically by Ambient Weather's Virtual Weather Station  V14.00

Current Conditions

Almanac

Last Updated: 22:17 on 11/10/09
Outside Temperature: 56.0 °F
Today's High: 68.3 °F at 12:15
Lo: 47.2 °F at 5:30
Barometric Trend: 0.005
Sunrise : 6:48  Sunset: 17:00
Moonrise:   0:02   Moonset:  13:27
Moon Phase: 24

Parameter

Value High Time Low Time Average Rate Rate Hi Time Rate Lo Time

Wind Direction

ENE 180 0:00 61 12:51 62 -0.7 1.4 0:00 -78.3 11:37

Wind Speed

0 4 11:05 0 0:00 0 -0.0 3.8 11:05 -0.5 13:00

Gust

0 4 11:05 0 0:00 0 -0.0 3.0 11:05 -2.4 13:30

In Humidity

51 51 0:00 50 3:21 51 0.0 1.0 10:08 -1.0 3:21

Out Humidity

81 96 7:53 54 12:51 83 -1.6 7.2 17:00 -13.2 10:38

In Temp

70.4 70.4 20:53 69.7 0:00 70.3 0.05 0.27 1:48 -0.20 9:53

Out Temp

56.0 68.3 12:15 47.2 5:30 55.5 0.51 5.61 10:39 -3.00 17:06

Barometer

29.97 30.03 8:15 29.91 16:22 29.96 0.005 0.027 17:48 -0.029 11:45

Rain

38.85 38.85 0:00 38.85 0:00 38.85 0.000 0.000 0:00 0.000 0:00

Ch 1 Temp

0.0 0.0 0:00 0.0 0:00 0.0 0.00 0.00 0:00 0.00 0:00

Ch 1 Hum

0 0 0:00 0 0:00 0 0.0 0.0 0:00 0.0 0:00

Ch 2 Temp

0.0 0.0 0:00 0.0 0:00 0.0 0.00 0.00 0:00 0.00 0:00

Ch 2 Hum

0 0 0:00 0 0:00 0 0.0 0.0 0:00 0.0 0:00

Ch 3 Temp

0.0 0.0 0:00 0.0 0:00 0.0 0.00 0.00 0:00 0.00 0:00

Ch 3 Hum

0 0 0:00 0 0:00 0 0.0 0.0 0:00 0.0 0:00

ET

0.00 0.00 0:00 0.00 0:00 0.00 0.000 0.000 0:00 0.000 0:00

UV Index

0.0 0.0 0:00 0.0 0:00 0.0 0.00 0.00 0:00 0.00 0:00

Solar

0 0 0:00 0 0:00 0 0.0 0.0 0:00 0.0 0:00

Wind Chill

56.0 68.3 12:15 47.2 5:30 55.5 0.51 5.61 10:39 -3.00 17:06

In Heat Index

71.3 71.3 20:53 70.6 0:00 71.2 0.05 0.27 1:48 -0.20 9:53

Heat Index

60.4 70.1 12:26 53.0 5:30 60.1 0.29 4.48 9:19 -2.29 16:54

Dew Point

50.3 54.5 12:31 44.7 5:30 50.3 -0.03 3.47 9:19 -1.88 12:51

Barom Sea-level

29.97 30.03 8:15 29.91 16:22 29.96 0.005 0.027 17:48 -0.029 11:45

Parameter

Month High Date Month Low Date Year High Date Year Low Date Yesterday High Yesterday Low 24 Hour Difference

Wind Direction

360 11/1/09 0 11/1/09 360 10/1/09 0 11/1/09 360 0 -118

Wind Speed

14 11/5/09 0 11/1/09 21 10/7/09 0 10/21/09 10 0 0

Gust

14 11/5/09 0 11/1/09 21 10/7/09 0 10/21/09 10 0 0

In Humidity

54 11/1/09 47 11/7/09 54 11/1/09 47 11/7/09 51 49 0

Out Humidity

97 11/2/09 38 11/3/09 97 11/2/09 36 10/21/09 97 49 -6

In Temp

73.3 11/1/09 67.4 11/7/09 73.3 11/1/09 67.4 11/7/09 69.7 69.2 0.7

Out Temp

74.6 11/8/09 25.9 11/7/09 77.6 10/9/09 25.9 11/7/09 72.3 37.7 5.4

Barometer

30.17 11/9/09 29.65 11/1/09 30.17 11/9/09 29.27 10/24/09 30.17 30.02 -0.07

Rain

38.85 11/1/09 38.12 11/1/09 38.85 11/1/09 34.90 10/21/09 38.85 38.85 0.00

Ch 1 Temp

0.0 11/1/09 0.0 11/1/09 0.0 10/21/09 0.0 10/21/09 0.0 0.0 0.0

Ch 1 Hum

0 11/1/09 0 11/1/09 0 10/21/09 0 10/21/09 0 0 0

Ch 2 Temp

0.0 11/1/09 0.0 11/1/09 0.0 10/21/09 0.0 10/21/09 0.0 0.0 0.0

Ch 2 Hum

0 11/1/09 0 11/1/09 0 10/21/09 0 10/21/09 0 0 0

Ch 3 Temp

0.0 11/1/09 0.0 11/1/09 0.0 10/21/09 0.0 10/21/09 0.0 0.0 0.0

Ch 3 Hum

0 11/1/09 0 11/1/09 0 10/21/09 0 10/21/09 0 0 0

ET

0.00 11/1/09 0.00 11/1/09 0.00 10/21/09 0.00 10/21/09 0.00 0.00 0.00

UV Index

0.0 11/1/09 0.0 11/1/09 0.0 10/21/09 0.0 10/21/09 0.0 0.0 0.0

Solar

0 11/1/09 0 11/1/09 0 10/21/09 0 10/21/09 0 0 0

Wind Chill

74.6 11/8/09 25.9 11/7/09 77.6 10/9/09 25.9 11/7/09 72.3 37.7 5.4

In Heat Index

74.4 11/1/09 68.0 11/7/09 74.4 11/1/09 68.0 11/7/09 70.6 69.9 0.7

Heat Index

74.9 11/8/09 31.5 11/7/09 77.2 10/9/09 31.5 11/7/09 73.2 43.6 4.6

Dew Point

54.5 11/10/09 23.4 11/7/09 67.7 10/9/09 23.4 11/7/09 54.3 35.6 3.4

Barom Sea-level

30.17 11/9/09 29.65 11/1/09 30.17 11/9/09 29.27 10/24/09 30.17 30.02 -0.07

Press Altitude

-45 Daily  Rain 0.00 Degree Heating 9.0 Monthly Degree Day Cooling 3.5 Heat Index --- Beaufort Calm

Cloud Base

1435 Hourly  Rain 0.00 Degree Cooling 0.3 Monthly Wind Run 115 Comfort Index Cool    

Air Density

-235 24Hr Rain 0.00 Moon Phase 24 Yearly Deg Day Heating 259.9 Forecast Increasing clouds with little temperature change    

Virtual Temp

58.4 Rain Rate 0.000 Monthly Rain 0.73 Yearly Degree Day Cooling 12.8 Station Barom Trend Steady    

Vapor Press

0.37 Wind Run 1 Monthly Deg Day Heating 171.2 Yearly Wind Run 314 Barometer Trend Steady    

Updated Automatically by Ambient Software's Virtual Weather Station  V14.00
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