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: 23:01 on 11/23/09
Outside Temperature: 46.1 °F
Today's High: 49.7 °F at 10:59
Lo: 35.8 °F at 0:07
Barometric Trend: -0.016
Sunrise : 7:01  Sunset: 16:51
Moonrise:   12:03   Moonset:  23:01
Moon Phase: 7

Parameter

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

Wind Direction

NE 76 11:15 25 10:30 56 -0.0 26.1 11:15 -27.5 10:30

Wind Speed

0 6 10:30 0 0:00 0 -0.3 5.6 10:30 -1.1 11:29

Gust

2 6 10:30 0 0:00 1 0.5 4.1 10:30 -3.1 12:30

In Humidity

50 50 0:00 49 2:34 50 0.0 1.0 11:54 -1.0 2:34

Out Humidity

93 93 20:14 82 10:54 93 0.1 4.4 13:18 -3.6 10:06

In Temp

69.0 69.7 2:54 68.9 13:36 69.1 -0.05 0.24 20:06 -0.26 10:04

Out Temp

46.1 49.7 10:59 35.8 0:07 46.2 -0.06 2.19 3:55 -0.98 0:00

Barometer

29.91 30.07 1:10 29.91 22:52 29.93 -0.016 0.016 7:01 -0.027 12:14

Rain

41.40 41.40 22:58 41.06 0:00 41.37 0.035 0.070 14:32 0.000 12:31

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

46.1 49.7 10:59 35.8 0:07 46.2 -0.06 2.19 3:55 -1.39 10:30

In Heat Index

69.8 70.4 2:54 69.7 13:36 69.9 -0.05 0.24 20:06 -0.26 10:04

Heat Index

52.2 54.3 10:59 41.6 0:07 52.2 -0.05 2.19 3:55 -0.94 0:00

Dew Point

44.2 45.6 13:25 33.4 0:07 44.2 -0.04 2.18 3:55 -0.89 0:00

Barom Sea-level

29.91 30.07 1:10 29.91 22:52 29.93 -0.016 0.016 7:01 -0.027 12:14

Parameter

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

Wind Direction

360 11/20/09 5 11/20/09 360 11/20/09 5 11/20/09 360 5 4

Wind Speed

10 11/20/09 0 11/18/09 10 11/20/09 0 11/18/09 6 0 0

Gust

10 11/20/09 0 11/18/09 10 11/20/09 0 11/18/09 6 0 2

In Humidity

52 11/19/09 49 11/22/09 52 11/19/09 49 11/22/09 51 49 0

Out Humidity

94 11/21/09 53 11/20/09 94 11/21/09 53 11/20/09 93 58 2

In Temp

70.9 11/20/09 68.9 11/22/09 70.9 11/20/09 68.9 11/22/09 70.1 68.9 -0.6

Out Temp

60.2 11/19/09 31.6 11/22/09 60.2 11/19/09 31.6 11/22/09 58.9 31.6 9.3

Barometer

30.13 11/18/09 29.75 11/19/09 30.13 11/18/09 29.75 11/19/09 30.07 29.93 -0.15

Rain

41.40 11/23/09 38.12 11/18/09 41.40 11/23/09 41.03 11/18/09 41.06 41.06 0.34

Ch 1 Temp

0.0 11/18/09 0.0 11/18/09 0.0 11/18/09 0.0 11/18/09 0.0 0.0 0.0

Ch 1 Hum

0 11/18/09 0 11/18/09 0 11/18/09 0 11/18/09 0 0 0

Ch 2 Temp

0.0 11/18/09 0.0 11/18/09 0.0 11/18/09 0.0 11/18/09 0.0 0.0 0.0

Ch 2 Hum

0 11/18/09 0 11/18/09 0 11/18/09 0 11/18/09 0 0 0

Ch 3 Temp

0.0 11/18/09 0.0 11/18/09 0.0 11/18/09 0.0 11/18/09 0.0 0.0 0.0

Ch 3 Hum

0 11/18/09 0 11/18/09 0 11/18/09 0 11/18/09 0 0 0

ET

0.00 11/18/09 0.00 11/18/09 0.00 11/18/09 0.00 11/18/09 0.00 0.00 0.00

UV Index

0.0 11/18/09 0.0 11/18/09 0.0 11/18/09 0.0 11/18/09 0.0 0.0 0.0

Solar

0 11/18/09 0 11/18/09 0 11/18/09 0 11/18/09 0 0 0

Wind Chill

60.2 11/19/09 31.6 11/22/09 60.2 11/19/09 31.6 11/22/09 58.9 31.6 9.3

In Heat Index

71.9 11/20/09 69.7 11/22/09 71.9 11/20/09 69.7 11/22/09 70.9 69.7 -0.6

Heat Index

66.3 11/19/09 37.5 11/22/09 66.3 11/19/09 37.5 11/22/09 60.8 37.5 9.6

Dew Point

58.2 11/19/09 29.5 11/22/09 58.2 11/19/09 29.5 11/22/09 45.5 29.5 9.8

Barom Sea-level

30.13 11/18/09 29.75 11/19/09 30.13 11/18/09 29.75 11/19/09 30.07 29.93 -0.15

Press Altitude

9 Daily  Rain 0.34 Degree Heating 19.6 Monthly Degree Day Cooling 0.0 Heat Index --- Beaufort Calm

Cloud Base

477 Hourly  Rain 0.00 Degree Cooling 0.0 Monthly Wind Run 89 Comfort Index Cool    

Air Density

-832 24Hr Rain 0.34 Moon Phase 7 Yearly Deg Day Heating 97.5 Forecast Mostly cloudy and cooler. Precip continuing    

Virtual Temp

48.0 Rain Rate 0.000 Monthly Rain 3.28 Yearly Degree Day Cooling 0.0 Station Barom Trend Steady    

Vapor Press

0.29 Wind Run 6 Monthly Deg Day Heating 97.5 Yearly Wind Run 89 Barometer Trend Steady    

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